\u5b66\u4e60\u7b14\u8bb0
\nHCIA\u521d\u7ea7\u90e8\u5206<\/p>\n
1\u3001vm\u4e2dopeneuler\u5bb9\u6613\u4e0a\u4e0d\u4e86\u7f51\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5nmcli dev con ens33nmcli con up ens33systemctl restart NetworkManager
\n2\u3001\u56fe\u5f62\u754c\u9762\u76f8\u5173\u914d\u7f6e\u5b89\u88c5ukui\u684c\u9762\u7cfb\u7edf(\u7cfb\u7edfISO\u6ca1\u6709\u5e26\uff0c\u5fc5\u987b\u901a\u8fc7openEuler\u7684yum\u6e90\u5b89\u88c5)yum install ukui -y
\n\u88c5\u5b8c\u540e\u4e0b\u6b21\u542f\u52a8\u7528\u56fe\u5f62\u542f\u52a8systemctl set-default graphical.target
\nElure\u53ea\u652f\u6301\u4e09\u4e2a\u56fe\u5f62\u754c\u9762\u7edf\u4fe1\u7684dde\uff0c\u53ea\u8981\u5b89\u88c5\u4e86dde\u9ed8\u8ba4\u5c31\u5b89\u88c5gnome\u684c\u9762\u3001\u9e92\u9e9fukui
\n\u5b89\u88c5ukui\u540e\uff0c\u5207\u6362\u56fe\u5f62\u767b\u9646\uff0c\u53ea\u6709\u666e\u901a\u8d26\u53f7\uff0c\u6ca1\u6709root\u8d26\u53f7\u7684\u89e3\u51b3\u65b9\u6cd5\uff1avim \/etc\/lightdm\/lightdm.conf\u6253\u5f00\u6ce8\u91cagreeter-show-manual-login=trueallow-user-switching=trueallow-guest=true
\nsystemctl restart lightdm\u91cd\u542f\u670d\u52a1\u540e\u767b\u9646\u9009\u62e9login\u56fe\u6807\u767b\u9646\u8f93\u5165root\u548c\u5bc6\u7801\u5c31\u884c\u4e86
\n3\u3001\u9996\u6b21\u91cd\u8981\u5305\u5b89\u88c5\u88c5\u81ea\u52a8\u8865\u5168\u8f6f\u4ef6\u5305yum install bash-completion
\n\u67e5\u4e00\u4e2a\u547d\u4ee4\u6765\u81ea\u54ea\u4e2a\u5305yum provides\u00a0date
\nyum install ntfs-3g\u88c5\u5b8c\u540e\u5c31\u80fd\u8bc6\u522b\u5230U\u76d8\u4e86
\n\/etc\/default\/grub\u6539\u542f\u52a8\u83dc\u5355grub2-mkconfig -o \/boot\/grub2\/brub.cfg\u6539\u5b8c\u8ba9\u5176\u751f\u6548
\n\u865a\u62df\u673a\u548c\u771f\u673a\u4e92\u4f20\u6587\u4ef6dnf install lrzszrz\u5c31\u4f1a\u5f39\u51fa\u771f\u673a\u76ee\u5f55<\/p>\n
4\u3001\u89e3\u9501root\uff08\u5b89\u88c5\u65f6\u7981\u7528\u4e86root\u7528\u6237\uff09sudo\u00a0passwd root \u8bbe\u5907\u5bc6\u7801\u5c31\u53ef\u4ee5\u89e3\u9501\u4e86
\nopenEuler\u53ea\u6709\u7ba1\u7406\u5458\u7ec4\u7684\u666e\u901a\u7528\u6237\u624d\u80fd\u7528su\u5207\u5230root\u7528\u6237\uff0c\u5176\u5b83\u666e\u901a\u7528\u6237\u4e0d\u80fd\u5207root\uff0c\u53ea\u80fd\u7528ssh\u4ee5root\u7528\u6237\u8fde\u63a5\u8fc7\u53bb\uff0c\u5728\u4e00\u4e2a\u5c31\u662fsudo\u65b9\u6cd5<\/p>\n
5\u3001\u8bed\u8a00\u8bbe\u7f6e\u8bbe\u5907\u4e34\u65f6\u8bed\u8a00\u4e3a\u4e2d\u6587\uff0c\u9000\u51fa\u5f53\u524dshell\u5931\u6548echo\u00a0\u00a0$LANGLANG=zh_CN.UTF-8\u5e2e\u52a9\u4e5f\u53ef\u4ee5\u770b\u4e2d\u6587\u7684\u4e86
\n\u8bed\u8a00\u6c38\u4e45\u4e2d\u6587\u751f\u6548vi \/etc\/locale.confLANG=”zh_CN.UTF-8″
\n6\u3001\u6539\u65f6\u95f4\u548c\u683c\u5f0f\u5316\u8f93\u51fadate\u00a0-s\u00a0“2024-10-10 10:10:10″date\u00a0“+%Y-%m-%d %H:%M:%S”<\/p>\n
7\u30016\u4e2a\u7ec8\u7aef\u63a7\u5236\u53f0f1-f6\uff0cf1\u662f\u767b\u9646\u754c\u9762\uff0cf2\u662f\u56fe\u5f62\u5316\u754c\u9762\uff0cf3-f6\u662f\u6587\u672c\u754c\u9762\u63a7\u5236\u53f0\u5207\u6362ctrl+alt+F1-F6<\/p>\n
8\u3001windows10 \u8fdc\u7a0b\u767b\u9646\u670d\u52a1\u5668C:UsersAdministrator>ssh admin@192.168.168.130
\n9\u3001\u7528\u6237\u53ca\u76f8\u5f53\u6743\u9650\u914d\u7f6e\u7528\u6237\u4fe1\u606f\u90fd\u4fdd\u5b58\u5728\/etc\/passwd\u6587\u4ef6\u7528\u6237\u5bc6\u7801\u90fd\u4fdd\u5b58\u5728\/etc\/shadow\u6587\u4ef6\u7528\u6237\u7ec4\u90fd\u4fdd\u5b58\u5728\/etc\/group\u6587\u4ef6\u628a\/etc\/passwd\u4e2d\u7684\u7b2c\u4e8c\u4f4d\u5bc6\u7801\u4f4d\u5220\u9664\u5c31\u80fd\u514d\u5bc6\u767b\u9646root\u4fee\u6539\u5bc6\u7801\u4e0d\u53d7\u5bc6\u7801\u590d\u6742\u5ea6\u5f71\u54cd\uff0c\u53ef\u4ee5\u8bbe\u7684\u975e\u5e38\u7b80\u5355\uff0c\u800c\u666e\u901a\u7528\u6237\u4f1a\u53d7\u590d\u6742\u5ea6\u9650\u5236\/etc\/shadow\u4e2d\u628a\u5bc6\u7801\u90a3\u884c\u5185\u5bb9\u5220\u9664\u6389\uff0c\u5c31\u4f1a\u9501\u5b9a\u8be5\u7528\u6237\u5566
\n\u7528\u6237\u7ba1\u7406\uff08\u6839\u636euid\u786e\u8ba4\u7528\u6237\u8eab\u4efd\uff09\u8d85\u7ea7\u7ba1\u7406\u5458root\uff0cuid\u6c38\u8fdc\u4e3a\uff10\u7cfb\u7edf\u7528\u6237(\u4e3a\u7cfb\u7edf\u670d\u52a1\u5e94\u7528\uff0c\u52a0\u5165\u4e86\u7ba1\u7406\u5458\u7ec4)\uff0cuid \u4e3a1-999\u666e\u901a\u7528\u6237(\u4e3a\u4e1a\u52a1\u521b\u5efa\u7684)\uff0cuid\u4e3a1000-60000
\nroot\u7528\u6237\u4e34\u65f6\u6307\u5b9apasswd\u6587\u4ef6\u4e2d\u4e0d\u5177\u6709\u767b\u9646\u6743\u9650\u7684\u7528\u6237\/sbin\/nologinsu -s \/bin\/bash \u00a0\u4e34\u65f6\u6307\u5b9a\u8be5\u7528\u6237\u767b\u9646
\nuseradd\u4f7f\u7528-g \u79c1\u6709\u7ec4-G \u9644\u52a0\u7ec4-d \u5bb6\u76ee\u5f55-s \u6307\u5b9a\u7528\u6237\u767b\u9646shell\u7a0b\u5e8f\u80fd\u5426\u767b\u9646
\nuserdel\u00a0-r \u5220\u9664\u7528\u6237\u76f8\u5173\u6587\u4ef6-f \u5f3a\u5236\u5220\u9664\u6b63\u5728\u767b\u9646\u4f7f\u7528\u7684\u7528\u6237
\nchage root\u67e5\u770broot\u7528\u6237\u521b\u5efa\u65f6\u95f4
\ngpasswd\u00a0-A\u8bbe\u5907\u7ba1\u7406\u5458\u7ec4-d\u5220\u9664\u7ec4\u7528\u6237-a\u6dfb\u52a0\u5355\u4e2a\u7528\u6237\u5230\u7ec4-M\u6279\u91cf\u6dfb\u52a0\u591a\u4e2a\u7528\u6237\u5230\u7ec4-l\u67e5\u770b\u7ec4\u7528\u6237
\n\u5982\u679c\u7528\u6237\u5220\u9664\u4e86\uff0c\u5bf9\u5e94\u6587\u4ef6\u7684\u7528\u6237\u6240\u6709\u8005\u6216\u6240\u5c5e\u7ec4\u4f1a\u53d8\u6210\u8be5\u5220\u9664\u7528\u6237\u7684UID
\n\u6539\u6587\u4ef6\u6216\u6587\u4ef6\u5939\u6743\u9650\u5c3d\u91cf\u7528chmod\u00a0+rwx\u56e0\u4e3a\u8fd9\u4e2a\u4e0d\u4f1a\u8986\u76d6\u65e7\u6743\u9650
\nchown\u4ec5root\u7528\u6237\u53ef\u4ee5\u6267\u884c
\n\u5220\u9664\u6587\u4ef6\u770b\u8be5\u6587\u4ef6\u6240\u5728\u7684\u6587\u4ef6\u5939\u7684\u6743\u9650\uff0c\u4f46\u4fee\u6539\u8981\u770b\u8be5\u6587\u4ef6\u7684\u672c\u8eab\u6743\u9650
\nopenEuler\u4e2d\u7684\u666e\u901a\u7528\u6237\u548croot\u7528\u6237\u521b\u5efa\u7684umask\u90fd\u662f022\uff0c\u548c\u7ea2\u5e3d\u4e0d\u4e00\u6837\u6240\u4ee5\u521b\u5efa\u7684\u6587\u4ef6\u548c\u6587\u4ef6\u5939\u662f\u7528\u6700\u5927\u6743\u9650\u51cf\u53bbumask\u7684\u503c\u5c31\u662f\u65b0\u5efa\u7acb\u7684\u6743\u9650\u6587\u4ef6\u6700\u5927\u662f\u6743\u9650\u662f666\uff0c\u76ee\u5f55\u6700\u5927\u662f777\uff0c\u6240\u4ee5\u51cf\u53bbumask\u5f97\u6587\u4ef6\u662f644\uff0c\u6587\u4ef6\u5939\u662f755\u5982\u679c\u6539\u7684umask\u503c\u88ab\u6700\u5927\u6743\u9650666\u51cf\u5b8c\u6709x\u6743\u9650\uff0c\u5c31\u4f1a\u81ea\u52a8\u52a01\uff0c\u56e0\u4e3a\u4e0d\u80fd\u8ba9\u521b\u5efa\u7684\u6587\u4ef6\u6709\u6267\u884c\u6743\u9650
\nsuid\u9488\u5bf9\u6587\u4ef6\uff0c\u5982\u679c\u6709\u4e00\u4e2a\u6587\u4ef6\u6709suid\u6743\u9650\uff0c\u5219\u6267\u884c\u65f6\u6309\u6587\u4ef6\u6240\u6709\u8005\u6743\u9650\u6267\u884c\uff0c\u4ec5\u5bf9\u4e8c\u8fdb\u5236\u7a0b\u5e8f\u6709\u6548\uff0cshell\u811a\u672c\u4e0d\u751f\u6548\uff0c\u8bbe\u7f6e\u65b9\u6cd5\u662fchmod\u00a0u+s \u6216\u8005chmod\u00a04777\uff0c\u5982\u679c\u518dchmod\u00a0u-s\u6743\u9650\u5c31\u4f1a\u53d8\u6210rwS\uff0c\u5927\u5199s\u4e0d\u80fd\u6267\u884c\uff0c\u5c0f\u5199s\u624d\u6709\u6743\u9650
\nsgid\u9488\u5bf9\u76ee\u5f55\uff0c\u6240\u5c5e\u7ec4\u52a0s\uff0c\u5bf9\u7ec4\u6743\u9650\u6709\u6548\uff0c\u4e00\u6837\u5927\u5199S\u65e0\u6743\u9650\uff0c\u5c0fs\u624d\u6709\uff0cchmod\u00a0g+s\u6216chmod\u00a02777\uff0c\u5728\u8be5\u76ee\u5f55\u4e0b\u521b\u5efa\u7684\u6587\u4ef6\uff0c\u81ea\u52a8\u5c5e\u4e8e\u8be5\u7ec4
\nsbit\u9488\u5bf9\u76ee\u5f55\uff0c\u901a\u5e38\u7528\u6765\u505a\u4e34\u65f6\u76ee\u5f55\uff0c\u5982\u679c\u4e00\u4e2a\u76ee\u5f55\u6709sbit\uff0c\u90a3\u4e48\u8be5\u76ee\u5f55\u4e0b\u7684\u53ea\u6709\u6587\u4ef6\u521b\u5efa\u6240\u6709\u8005\u624d\u53ef\u4ee5\u81ea\u5df1\u7684\u6587\u4ef6\uff0c\u5176\u5b83\u7528\u6237\u4e0d\u80fd\u6539\u5176\u5b83\u7528\u6237\u7684\u6587\u4ef6\uff0c\u5982\u679c\u662f\u5c0f\u5199t\u6709\u6743\u9650\uff0c\u5927\u5199T\u65e0sbit\u6743\u9650\uff0cchmod\u00a0o+t\u6216chmod\u00a01777
\n\u91cd\u7f6e\u5bc6\u7801root\u542f\u52a8\u83dc\u5355\u6309e\u952e—linux\u5f00\u5934\u884c\u6700\u5c3e\u4e00\u76f4\u5f80\u524d\u5220\u9664\u5230ro—ro\u7a7a\u683c\u52a0\u53c2\u6570rd.break—ctrl+x\u542f\u52a8—\u4e0d\u7528\u8f93\u5bc6\u7801\u8fdb\u5165\u7cfb\u7edf—mount -o remount,rw \/sysroot(\u4ee5\u80fd\u5199\u7684\u65b9\u5f0f\u6302\u8f7d\u771f\u6839)—chroot\u00a0\/sysroot(\u4e3a\u4e86\u7528passwd\u5bc6\u7801\u6362\u6210\u771f\u6839)—-passwd\u6539\u5bc6\u7801—touch\u00a0\/.autorelabel(\u89e3\u51b3selinux\u5141\u8bb8\u64cd\u4f5c)
\n\u6ce8\u610f\u5728\u6b27\u62c9\u4e2d\u5982\u679c\u7cfb\u7edf\u4e2d\u624b\u52a8\u52a0\u8f7d\u8fc7\u5f15\u5bfc\u83dc\u5355grub2-mkconfig -o \/boot\/grub2\/brub.cfg\u518d\u8fdb\u5165\u91cd\u7f6e\u5bc6\u7801\u65f6\u6309e\u4f1a\u8981\u6c42\u8f93\u5165\u7528\u6237\u540d\u548c\u5bc6\u7801\uff0c\u9ed8\u8ba4\u4e3aroot\/openEuler#12\uff0c\u8fd9\u4e2a\u9ed8\u8ba4\u5bc6\u7801\u53ef\u4ee5\u7528grub2-set-password\u547d\u4ee4\u6539grub2\u7684\u5f15\u5bfc\u83dc\u5355\u5bc6\u7801
\n10\u3001\u5feb\u6377\u952ectrl+r\u641c\u4f7f\u7528\u8fc7\u7684\u547d\u4ee4\u76f4\u63a5\u7528alt+\u70b9\/!$ \u8c03\u7528\u6700\u540e\u6761\u547d\u4ee4\u540e\u9762\u7684\u8def\u5f84\u53c2\u6570home\/ctrl+u\u952e\u5feb\u901f\u8df3\u5230\u5149\u6807\u6240\u5728\u884c\u7684\u5f00\u5934!!\u91cd\u590d\u6267\u884c\u4e0a\u4e00\u6761\u547d\u4ee4!+histry\u6570\u5b57\u6267\u884c\u90a3\u6761\u547d\u4ee4!+\u5f00\u5934\u6267\u884c\u90a3\u6761\u547d\u4ee4end\u952e\u5feb\u901f\u5230\u5149\u6807\u5c3eclear\/ctrl+L\/cls(windows)\u6e05\u5c4f
\n11\u3001\u5e2e\u52a9\u67e5\u5df2\u5b89\u88c5\u7684\u547d\u4ee4\u662f\u54ea\u4e2a\u4f4d\u7f6e\u54ea\u4e2a\u5305\uff0c\u518d\u5b89\u88c5\u5e2e\u52a9\u8bf4\u660e\u540e\u9762\u52a0-help\uff0c\u518d\u7528whatis\u5c31\u6709\u5e2e\u52a9\u4e86\uff0c\u6700\u540e\u7528–help\u67e5\u770b(Euler\u9ed8\u8ba4\u4e0d\u5b89\u88c5\u547d\u4ee4\u5e2e\u52a9\uff0c\u8981\u81ea\u5df1\u624b\u52a8\u5b89\u88c5)which\u00a0daterpm -qf \/usr\/bin\/dateyum install coreutils-helpwhatis\u00a0date\u00a0\/\/\u770b\u6709\u5e2e\u52a9\u4e86\u5417\u7528man\u00a0date\u4e5f\u53ef\u4ee5date\u00a0–hel\uff50
\nman\u5e2e\u52a9\u4e00\u5171\u67099\u7ae0\uff0c\u4fdd\u5b58\u5728\/usr\/share\/man\u4e2d\uff0c\u7528\u7684\u6700\u591a\u7684\u662f1\u30015\u30018\u7ae0\u7b2c1\u7ae0\u7528\u6237\u6307\u4ee4\u7b2c2\u7ae0\u51fd\u6570\u8c03\u7528\u7b2c3\u7ae0\u662f\u51fd\u6570\u5e93\u7b2c4\u7ae0\u8bbe\u5907\u6587\u4ef6\u8bf4\u660e\u7b2c5\u7ae0\u662f\u6587\u4ef6\u683c\u5f0f\u548c\u7ea6\u5b9a\u7b2c6\u7ae0\u662f\u6e38\u620f\u7b2c7\u7ae0\u662f\u6742\u9879\u7b2c8\u7ae0\u662f\u7cfb\u7edf\u7ba1\u7406\u547d\u4ee4\u7b2c9\u7ae0\u662f\u5185\u6838\u4f8b\u7a0b
\n\u4f7f\u7528manman -f \u547d\u4ee4 \u00a0 \u67e5\u547d\u4ee4\u4f5c\u7528man \u7ae0\u8282 \u547d\u4ee4 \u67e5\u8be2\u6307\u5b9a\u7ae0\u8282\u7684\u547d\u4ee4\u4f5c\u7528man -k \u00a0 \u5173\u952e\u5b57 \u627e\u5173\u952e\u5b57\u5728\u54ea\u4e2a\u7ae0\u8282
\n\u5b89\u88c5\u7684\u8f6f\u4ef6\u4ea7\u54c1\u6587\u6863\u53ca\u5e2e\u52a9\u6587\u6863\u548c\u4f8b\u5b50\u90fd\u5728\/usr\/share\/doc\/\u91cc\u9762
\nopenEuler\u5728\u7ebf\u4ea7\u54c1\u6587\u6863docs.openeuler.org
\n12\u3001\u6587\u4ef6\u5939\u4f5c\u7528\/bin\u6216\/usr\/bin\u4e0b\u662f\u666e\u901a\u7528\u6237\u53ef\u4ee5\u6267\u884c\u7684\u547d\u4ee4\/sbin\u6216\/usr\/sbin\u662f\u7ba1\u7406\u5458\u80fd\u591f\u6267\u884c\u7684\u547d\u4ee4\/boot\u4e2d\u5f00\u673a\u5f15\u5bfc\u6587\u4ef6\u53ca\u5185\u6838\u6587\u4ef6\/dev\u653e\u7684\u63a5\u53e3\u6587\u4ef6\u53ca\u8bbe\u5907\u6587\u4ef6\uff0c\u64cd\u4f5c\u8bbe\u5907\u7528\/etc\u914d\u7f6e\u6587\u4ef6\/lib\u5e93\u6587\u4ef6,\u901a\u5e38\u4ee5.so\u7ed3\u5c3e,\u7c7b\u4f3c\u4e8ewindows\u4e2d\u7684dll\u6587\u4ef6\/mnt \u4e34\u65f6\u6302\u8f7d\u76ee\u5f55\/opt \u989d\u5916\u8f6f\u4ef6\u5305\u4e0b\u8f7d\u5b58\u653e\u4f4d\u7f6e\uff0c\u6216\u5b89\u88c5\u5230\u6b64\u76ee\u5f55\u4e5f\u884c\/proc\u7cfb\u7edf\u8fdb\u7a0b\u4fe1\u606f\/sys\u7cfb\u7edf\u8fd0\u884c\u7684\u72b6\u6001\u4fe1\u606f\uff0c\u91cd\u542f\u540e\u4fe1\u606f\u6e05\u7a7a\/home\u666e\u901a\u7528\u6237\u7684\u5bb6\u76ee\u5f55\/srv\u5b58\u653e\u670d\u52a1\u542f\u52a8\u4e4b\u540e\u8981\u8fd0\u884c\u7684\u6570\u636e\/tmp\u4e34\u65f6\u6587\u4ef6\u76ee\u5f55\uff0c\u6bcf\u4e2a\u7528\u6237\u5728\u8be5\u76ee\u5f55\u4e0b\u521b\u5efa\u6587\u4ef6\u540e\uff0c\u53ea\u80fd\u7ba1\u7406\u81ea\u5df1\u7684\u6587\u4ef6\uff0c\u5176\u5b83\u7528\u6237\u7684\u4e0d\u884c\/usr\u91cc\u9762\u5b58\u653e\u6307\u4ee4\uff0c\u67093\u4e2a\u91cd\u8981\u76ee\u5f55\uff1a\/usr\/bin\u548c\/usr\/sbin\u548c\/usr\/local\uff0c\/usr\/local\u5b58\u81ea\u5b9a\u4e49\u5b89\u88c5\u7684\u8f6f\u4ef6\u76ee\u5f55\/var\u5b58\u653e\u65e5\u5fd7\u548c\u670d\u52a1\u7684\u6570\u636e\/run\u5e94\u7528\u7a0b\u5e8f\u670d\u52a1\u8fdb\u7a0b\u4f7f\u7528\u7684\u8fd0\u884c\u72b6\u6001\u6587\u4ef6,\u8fdb\u7a0bPID\u5957\u63a5\u5b57<\/p>\n
13\u3001\u5e38\u7528\u547d\u4ee4cat\u00a0\/etc\/os-release\u67e5\u7cfb\u7edf\u60c5\u51b5hostnamectl\u4e5f\u53ef\u4ee5\u770b\u7cfb\u7edf\u60c5\u51b5lsblk\u67e5\u770b\u6240\u6709\u7684\u8bbe\u5907cd\u00a0~\u7528\u6237\u540d\u8fd4\u56de\u6307\u5b9a\u7528\u6237\u5bb6\u76ee\u5f55ls\u00a0-t\u6839\u636e\u6587\u4ef6\u521b\u5efa\u7684\u65f6\u95f4\u6392\u5e8f\uff0c\u6700\u8fd1\u521b\u5efa\u7684\u6587\u4ef6\u6700\u4e0a\u9762ls\u00a0-R\u4ee5\u76ee\u5f55\u6811\u5f62\u5f0f\u67e5\u770b\u6587\u4ef6mkdir\u00a0-p\u7ea7\u8fde\u521b\u5efa\u76ee\u5f55stat\u00a0\u67e5\u770b\u6587\u4ef6\u7684\u65f6\u95f4\u6233(\u8bbf\u95ee\u65f6\u95f4atime\u3001\u5185\u5bb9\u4fee\u6539\u65f6\u95f4mtime\u3001\u5c5e\u6027\u4fee\u6539\u65f6\u95f4ctime\u3001\u521b\u5efa\u65f6\u95f4btime)cp\u00a0-a\u590d\u5236\u8fc7\u53bb\u5c5e\u6027\u4e0d\u53d8cp\u00a0-l\u521b\u5efa\u786c\u8fde\u63a5mv\u5f53\u6e90\u6587\u4ef6\u548c\u76ee\u6807\u6587\u4ef6\u4e0d\u5728\u540c\u4e00\u8def\u5f84\u4e0b\u5c31\u662f\u79fb\u52a8\uff0c\u5982\u679c\u662f\u4e0d\u540c\u8def\u5f84\u5c31\u662f\u91cd\u547d\u540dmv\u00a0-f\u5f3a\u5236\u8986\u76d6\u4e0d\u63d0\u793acat\u00a0-A\u6bcf\u884c\u51fa\u6765\u5c3e\u90e8\u52a0$\u7b26\uff0c\u7528\u4e8e\u533a\u5206\u6709\u6ca1\u6709\u52a0\u7a7a\u683ccat\u00a0-n \u8f93\u51fa\u5e26\u884c\u53f7head\u53ea\u80fd\u770b\u524d10\u884ctail\u53ea\u770b\u540e10\u884ctail\u00a0-f\u65f6\u95f4\u76d1\u63a7\u65e5\u5fd7more\/less\u5206\u5c4f\u67e5\u770b\uff0c\u7a7a\u683c\u7ffb\u9875\uff0c\u56de\u8f66\u4e00\u884c\u884c\u5f80\u4e0b\u770bless\u659c\u6760\u662f\u4ece\u4e0a\u5f80\u4e0b\u641c\uff0c?\u53f7\u662f\u4ece\u4e0b\u4f4f\u4e0a\u641cgrep -o\u53ea\u663e\u793a\u8fc7\u6ee4\u7684\u5185\u5bb9grep -v\u53cd\u9009grep -i\u4e0d\u533a\u5206\u5927\u5c0f\u5199grep -v\u00a0‘^#’\u00a0filename | grep -v\u00a0‘^$’\u00a0\u8fc7\u6ee4\u6389\u7a7a\u884c\u548c\u6ce8\u91ca\u884cgrep -C 2\u00a0“error”\u00a0\/var\/log\/httpd\/error_log \u67e5\u770berror\u884c\u7684\u524d\u540e2\u884cgrep -c \u5173\u952e\u5b57\u7684\u603b\u884c\u6570grep -r \u627e\u5173\u952e\u5b57\u5728\u8be5\u76ee\u5f55\u4e0b\u7684\u54ea\u4e2a\u6587\u4ef6\u4e2dgrep \uff07^user\uff07\u8fc7\u6ee4\u4ee5user\u5f00\u5934\u7684\u5185\u5bb9grep \uff07user\uff04\uff07\u8fc7\u6ee4\u4ee5user\u7ed3\u5c3e\u7684\u5185\u5bb9grep \u00a0stud.t \u4e00\u4e2a\u70b9\u4ee3\u8868\u4efb\u610f\u4e00\u4f4d\uff0c\u60f3\u4e0d\u6765\u8d77\u4e2d\u95f4\u7684\u5185\u5bb9\u8fc7\u6ee4\u7528grep\u00a0‘stud*’\u00a0 \u661f\u53f7\u4ee3\u8868\u4e00\u4f4d\u6216\u591a\u4f4d\u5339\u914dgrep -w \u4ee5\u5b8c\u6574\u7684\u7cbe\u786e\u5355\u8bcd\u8fc7\u6ee4\uff0c\u975e\u5305\u542bgrep -E\u6216egrep\u4e3a\u6269\u5c55grepegrep\u00a0‘failed|wan|error’\u00a0\u5bf9\u591a\u4e2a\u5173\u952e\u5b57\u5339\u914dwc\u00a0-l\u7edf\u8ba1\u884c\u6570wc\u00a0-w\u7edf\u8ba1\u5355\u8bcd\u6570sort\u00a0\u6392\u5e8f\u6216\u53bb\u91cd\u590d\u00a0sort\u00a0-n\u6309\u6570\u5b57\u6392\u5e8fsort\u00a0-t\u6307\u5b9a\u5206\u9694\u7b26sort\u00a0-k\u6307\u5b9a\u5217sort\u00a0-r\u5012\u5e8f\u6392sort\u00a0-o\u91cd\u5b9a\u5411\u4fdd\u5b58\u5230\u6307\u5b9a\u6587\u4ef6\u4e2dsort\u00a0-u\u53bb\u4e0d\u8fde\u7eed\u7684\u91cd\u590duniq\u53ea\u80fd\u53bb\u9664\u8fde\u7eed\u7684\u91cd\u590duniq\u00a0-c\u7edf\u8ba1\u91cd\u590d\u7684\u884c\u6709\u591a\u5c11diff \u00a0a\u662f\u65b0\u589e\u7684\u884c \u00a0c\u4e0d\u540c\u7684\u884c \u00a0d\u5220\u9664\u7684\u884cvimdiff\u53ef\u89c6\u5316\u6bd4\u8f83\u4e24\u4e2a\u6587\u4ef6\u7684\u5dee\u5f02\uff08\u8981\u5148\u5b89\u88c5vim\u8f6f\u4ef6\u624d\u884c\uff09tr\u5b57\u7b26\u8f6c\u6362tr\u00a0a-z A-Z\u628a\u8f93\u51fa\u8f6c\u6210\u5927\u5199tr\u00a01-3 a-c \u628a\u6570\u5b57\u8f6c\u5b57\u6bcdtr\u00a0-d \u5220\u9664\u6307\u5b9a\u7684\u5b57\u6bcd\u6216\u7a7a\u683ccut\u63d0\u53d6\u5217cut\u00a0-d\u6307\u5b9a\u5206\u9694\u7b26\u3001-f\u6307\u5b9a\u5217cut\u00a0-c 1-2\u53d6\u524d\u4e24\u4e2a\u5b57\u7b26awk -F \u9ed8\u8ba4\u4ee5\u7a7a\u683c\u4e3a\u5206\u5272(\u6709\u7a7a\u683c\u7684\u4e00\u822c\u4e0d\u7528cut\u90fd\u7528awk)awk -F\u00a0‘:’\u00a0\u00a0‘{print $1, $3}’\u7b2c\u4e00\u548c\u7b2c\u4e09\u5217sed\u6d41\u7f16\u8f91\u5668\uff0c\u5148\u52a0\u5230\u7f13\u51b2\u533a\uff0c\u5728\u7f13\u51b2\u533a\u91cc\u64cd\u4f5c -i\u4ee3\u8868\u5199\u5165\u6587\u4ef6sed -n\u00a0’13p’\u00a0\u5730\u5740\u5b9a\u754c\u548c\u52a8\u4f5c\uff0c13\u884c\u6253\u5370\u51fa\u6765\uff0c-n\u5176\u5b83\u4e0d\u8f93\u51fased -n\u00a0‘\/ftp\/,\/root\/p’\u00a0ftp\u548croot\u90a32\u884c\u6253\u5370\u51fa\u6765sed -n\u00a0‘$p’\u00a0\u3000\u6700\u540e\u4e00\u884csed \u00a0‘1a\uff3chello’\u3000\u7b2c\u4e00\u884c\u540e\u9762\u52a0\u4e00\u884chellosed \u00a0‘\/ftp\/d’\u00a0\u5220\u9664ftp\u884csed\u00a0‘1d’\u00a0\u5220\u9664\u7b2c\u4e00\u884csed\u00a0‘1 \u00a0s\/root\/huawei\/2’\u00a0\u628a\u7b2c\u4e00\u884c\u7684\u7b2c2\u4e2aroot\u6362\u6210huaweised\u00a0‘1 \u00a0s\/root\/huawei\/g’\u00a0\u628a\u7b2c\u4e00\u884c\u7684\u6240\u6709\u7684root\u6362\u6210huawei\u00a0sed\u00a0‘1! \u00a0s\/root\/huawei\/g’\u00a0\u628a\u9664\u4e86\u7b2c\u4e00\u884c\u5916\u7684\u6240\u6709\u7684root\u6362\u6210huawei\u00a0sed\u00a0‘s\/root\/huawei\/g’\u00a0\u628a\u6240\u6709\u7684root\u6362\u6210huawei\u00a0sed\u00a0‘s\/root\/\/g’\u00a0\u628a\u6240\u6709\u7684root\u6362\u6210\u7a7ased -i.bak \u00a0‘s\/root\/huawei\/g’\u00a0 \u628a\u6240\u6709\u7684root\u6362\u6210huawei\u4e4b\u524d\u5907\u4efd\u4e00\u4e2a\u539f\u6587\u4ef6
\n14\u3001vim\u64cd\u4f5ci\u5149\u6807\u5de6\u63d2\u5165,a\u5728\u5149\u6807\u53f3\u63d2\u5165\uff0co\u5728\u5149\u6807\u4e0b\u65b9\u53e6\u8d77\u4e00\u884c\u63d2\u5165I\u5728\u884c\u9996\u63d2\u5165\uff0cA\u5728\u884c\u5c3e\u63d2\u5165\uff0cO\u5411\u4e0a\u53e6\u8d77\u4e00\u884c\u63d2\u5165gg\u8df3\u5230\u5f00\u5934\u884c\uff0cG\u8df3\u5230\u6700\u540e\u4e00\u884c\uff0c\u6570\u5b57+G\u8df3\u5230\u6307\u5b9a\u884chome\u952e\/^\/0\u90fd\u53ef\u4ee5\u8df3\u5230\u884c\u9996\uff0c$\/end\u90fd\u80fd\u8df3\u5230\u884c\u5c3ex\u5220\u9664\u4e00\u4e2a\u5b57\u7b26yy\u590d\u5236\u5f53\u524d\u5149\u6807\u884cny\u590d\u5236\u591a\u884c\uff0cn\u4ee3\u8868\u6570\u5b57dd\u5220\u9664\u5149\u6807\u884cndd \u5220\u9664\u5149\u6807\u548c\u6307\u5b9a\u7684\u591a\u884cu\u64a4\u9500\u4e0a\u4e00\u6b21\u64cd\u4f5cctrl+r\u5c06\u64a4\u9500\u7684\u64cd\u4f5c\u518d\u64a4\u9500set\u00a0number\u8bbe\u7f6e\u884c\u53f7set\u00a0nonumber\u53d6\u6d88\u884c\u53f71,3 copy 5\u628a1-3\u884c\u590d\u5236\u5230\u7b2c5\u884c1,3 move 5\u628a1-3\u884c\u79fb\u52a8\u5230\u7b2c5\u884c\u00a0\/\u641c\u7d22\u4ece\u4e0a\u5f80\u4e0b\uff0c?\u4ece\u4e0b\u5f80\u4e0a\u641c\u7d22\uff0cn\u5f80\u4e0b\u641c\u5df2\u641c\u5230\u7684\u7ed3\u679c\uff0cN\u5f80\u4e0a\u641c\u5df2\u641c\u5230\u7684\u7ed3\u679c\/croot \u00a0\u67e5root\u4e0d\u533a\u5206\u5927\u5c0f\u51991 s\/root\/huawei\/ \u00a0 \u7b2c\u4e00\u884c\u7b2c\u4e00\u4e2a\u7684root\u66ff\u6362\u6210huawei%s\/root\/huawei\/g \u00a0 \u6240\u6709\u7684root\u66ff\u6362\u6210huawei%s\/root\/huawei\/ig \u00a0 \u6240\u6709\u7684root\u66ff\u6362\u6210huawei\uff0c\u5e76\u4e14\u5ffd\u7565\u5927\u5c0f\u5199%s\/root\/huawei\/igc \u00a0\u6240\u6709\u7684root\u66ff\u6362\u6210huawei\uff0c\u5e76\u4e14\u5ffd\u7565\u5927\u5c0f\u5199\uff0cc\u8868\u793a\u8981\u786e\u8ba4\u540e\u624d\u66ff\u6362ctrl+v\u518d\u5b89I\u9009\u4e2d\u7b2c\u4e00\u5217\u8f93\u5165#\u53f7\uff0c\u518d\u6309esc\u6240\u6709\u9009\u62e9\u7684\u884c\u5c31\u7ed9\u6ce8\u91ca\u4e86
\n15\u3001\u91cd\u5b9a\u5411>\u6b63\u786e\u8f93\u51fa2>\u9519\u8bef\u8f93\u51fa&>\u5168\u90e8\u8f93\u51fa\u91cd\u5b9a\u5411\/dev\/null \u4e00\u822c\u90fd\u91cd\u5b9a\u5411\u5230\u9ed1\u6d1e
\ncat\u00a0>>\/opt\/text.txt <<\u00a0eof \u53cc\u91cd\u5b9a\u5411(eof\u53ef\u4ee5\u968f\u4fbf\u81ea\u5b9a\u4e49)\uff0c\u540e\u9762\u7684eof\u628a\u5185\u5bb9\u7ed9cat\uff0ccat\u518d\u8f93\u5165\u5230text.txt
\n\u4f8b\u5982\u8ba9shell\u811a\u672c\u5199\u6587\u4ef6#!\/bin\/bashcat\u00a0>>\/opt\/text.txt <<\u00a0eof\u00a0hello world!eof
\n\u6267\u884c\u811a\u672c\u5c31\u4f1a\u81ea\u52a8\u628ahello world\u5199\u5165\u5230text.txt\u4e2d\u5e76\u751f\u6210\u4e00\u4e2a\u6587\u4ef6
\n\u91cd\u5b9a\u5411\u6539\u5bc6\u7801\u514d\u4ea4\u4e92\u7b2c\u4e00\u79cd\u6539\u5bc6\u7801\u65b9\u6cd5passwd \u00a0user1 < passwd.txt \u63d0\u524d\u628a\u4e24\u884c\u5bc6\u7801\u5199\u5230passwd.txt\u4e2dpasswd.txt\u4e0d\u80fd\u653e\u5728\u5bb6\u76ee\u5f55\u4e0b\uff0cselinux\u4f1a\u963b\u6b62<\/p>\n
\u514d\u4ea4\u4e92\u6539\u5bc6\u7801\u7b2c\u4e8c\u79cd\u65b9\u6cd5echo\u00a0admin | passwd –stdin \u00a0user1
\n\u4e09\u901a\u91cd\u5b9a\u5411tee
\n16\u3001\u8bbf\u95ee\u63a7\u5236\u5217\u8868acl\uff08ls\u67e5\u770b\u5230\u6587\u4ef6\u5c3e\u90e8\u6709+\u53f7\u4ee3\u8868\u8bbe\u5907\u4e86acl\uff09setfacl\u8bbe\u7f6eacl\uff0cetfacl -b test.txt\u5220\u9664\u6240\u6709\u7684aclgetfacl\u67e5\u770baclchacl\u6539acl<\/p>\n
17\u3001visudosudo\u00a0-V\u67e5\u770bsudo\u7248\u672c
\nsudo\u00a0-i\u53ef\u4ee5\u8f6c\u5230root\u7528\u6237\uff0c\u5207\u4e00\u6b21\u9ed8\u8ba4\u4e94\u5206\u949f\u5185\u518d\u6b21\u5207\u4e0d\u7528\u8f93\u5165\u5bc6\u7801
\nsudo\u00a0-k \u4e0d\u7528\u7b49\u4e94\u5206\u949f\uff0c\u4e0b\u6b21\u63d0\u6743\u65f6\u7acb\u9a6c\u8981\u6c42\u8f93\u5165\u5bc6\u7801
\n\u914d\u7f6e\u6587\u4ef62\u4e2a\/etc\/sudoers\/etc\/sudoers.d\/*
\nvim \/etc\/sudoerszhangsan example.com=(root) \u00a0NOPASSWD:\/usr\/bin\/touch\uff0c\/usr\/sbin\/juseraddzhangsan\u7528\u6237\u5bf9example.com\u4e3b\u673a\u63d0\u6743\u5230root\u4e00\u6837\u7684\u6743\u9650\uff0c\u6267\u884ctouch\u547d\u4ee4\u548cuseradd\u547d\u4ee4\uff0c\u5e76\u4e14\u4e0d\u7528\u8f93\u5165\u5bc6\u7801
\n%wheel ALL=(ALL) \u00a0ALL\u5bf9\u4e00\u4e2a\u7ec4\u8fdb\u884c\u63d0\u6743
\n\u5982\u679c\u591a\u4e2a\u7528\u6237\u591a\u4e2a\u547d\u4ee4\u63d0\u6743\uff0c\u53ef\u4ee5\u7528\u522b\u540d\u7684\u65b9\u6cd5(\u6ce8\u610f\u8981\u533a\u5206\u5927\u5c0f\u5199)vim \/etc\/sudoersUser_Alias ADMINS = zhangsan, lisiHost_Alias TESTHOST = example1.com, exapmle2.comRunas_Alias SUDOUSER = root, bob aliceCmnd_Alias COMMAND = \/usr\/bin\/touch, \/usr\/bin\/useraddADMINS TESTHOST=(SUDOUSER) NOPASSWD:COMMAND
\n\u4e5f\u53ef\u4ee5\u5728\/etc\/sudoers.d\/*\u5355\u72ec\u521b\u5efa\u6587\u4ef6\u8fdb\u884c\u8bbe\u7f6e(\u53ef\u4ee5\u4e00\u4e2a\u7528\u6237\u521b\u5efa\u4e00\u4e2a\u6587\u4ef6)vim \/etc\/sudoers.d\/zhangsanzhangsan example.com=(root) \u00a0NOPASSWD:\/usr\/bin\/touch\uff0c\/usr\/sbin\/juseradd<\/p>\n
\u67e5\u770b\u914d\u7f6e\u8bed\u6cd5\u6709\u65e0\u9519\u8befvisudo -cf \/etc\/sudoers
\n\u67e5\u770b\u4e00\u4e2a\u7528\u6237\u63d0\u53d6\u4e86\u54ea\u4e9b\u6743\u9650\u5f53\u524d\u7528\u6237\u4e0b\u6267\u884csudo\u00a0-l
\n18\u3001\u8f6f\u4ef6\u5305\u7ba1\u7406rpmfind.net\u53ef\u4ee5\u67e5\u5404\u79cd\u8981\u4e0b\u8f7d\u7684rpm\u5305
\nopenEuler\u53ea\u80fd\u901a\u8fc7iso\u7cfb\u7edf\u81ea\u5e26\u7684\u5305
\nrpm -ivh \u5b8c\u6574\u5305\u540d\uff0c\u5b89\u88c5rpm -q \u67e5\u5305\u662f\u5426\u5b89\u88c5rpm -evh \u5378\u8f7d(\u5982\u679c\u914d\u7f6e\u6587\u4ef6\u6539\u8fc7\uff0c\u4f1a\u4fdd\u7559\u8be5\u6587\u4ef6\uff0c\u8981\u624b\u52a8\u5220\u9664\uff0c\u6ce8\u610f\u770b\u63d0\u793a)rpm -Uvh\u5347\u7ea7\uff0c\u4e0d\u7ba1\u6709\u6ca1\u6709\u65e7\u7248\u672c\u90fd\u53ef\u4ee5rpm -Fvh\u5fc5\u987b\u5728\u65e7\u7248\u7684\u4e0a\u9762\u5347\u7ea7rpm -ql\u67e5\u6240\u6709\u5b89\u88c5\u4f4d\u7f6erpm -qc \u67e5\u914d\u7f6e\u6587\u4ef6\u5b89\u88c5\u4f4d\u7f6erpm -qd\u67e5\u5e2e\u52a9\u6587\u4ef6rpm -qa\u67e5\u672c\u673a\u4e0a\u6240\u6709\u7684\u8f6f\u4ef6\u5305rpm -qpi\u67e5\u5df2\u5b89\u88c5\u7684\u5177\u4f53\u5305\u4fe1\u606frpm -qp –scripts \u67e5\u8981\u5b89\u88c5\u7684\u5305\u5177\u4f53\u6267\u884c\u5565\u811a\u672crpm -qf vsftpd.con \u67e5\u8be5\u914d\u7f6e\u6587\u4ef6\u6765\u81ea\u54ea\u4e2a\u5305
\nrpm2cpio vsftp | cpio -id\u00a0 \u89e3\u538brpm\u5305\u5982\u679c\u914d\u7f6e\u6587\u4ef6\u6539\u4e71\u4e86\u6ca1\u6709\u5907\u4efd\u5c31\u9700\u8981\u628a\u8be5\u914d\u7f6e\u6587\u4ef6\u5220\u9664\u6389\u518d\u5b89\u88c5\u4e00\u6b21\uff0c\u6216\u8005\u89e3\u538b\u628a\u539f\u914d\u7f6e\u6587\u4ef6\u62ff\u8fc7\u6765rpm -ivh –replacepkgs vsftpd \u91cd\u65b0\u5b89\u88c5
\nyum\u548cdnf\u547d\u4ee4\u5176\u5b9e\u90fd\u662f\u4f9d\u8d56\u6700\u65b0\u7684dnf3\uff0cdnf\u517c\u5bb9yum
\nyum\u8f6f\u4ef6\u4ed3\u5e93\u67092\u79cd\u914d\u7f6e\u65b9\u6cd5\/etc\/dnf\/dnf.conf\/etc\/yum.repos.d\/*
\n\u5bfc\u5165\u516c\u94a5rpm –import \/mnt\/RPM-GPG-KEY-openEuler
\n\u67e5\u516c\u94a5\u662f\u5426\u5b89\u88c5rpm -qa|grep pubkey
\nrpm -K vsftpd \u9a8c\u8bc1\u5305\u6709\u6ca1\u6709\u7be1\u6539
\nrpm -e pubkey-XXX \u5220\u9664\u516c\u94a5
\n\u516c\u94a5\u4fdd\u5b58\u4f4d\u7f6els\u00a0-l \/etc\/pki\/rpm-gpg\/
\n\u53d6\u6d88\u5b89\u88c5\u8f6f\u4ef6\u516c\u94a5\u8ba4\u8bc1\uff0c\u628a\u5f00\u62371\u6539\u62100\u00a0vim \/etc\/yum.conf<\/p>\n
yum\u4ed3\u5e93\u751f\u6548dnf clean alldnf makecache
\nyum \u4ed3\u5e93\u8f6f\u4ef6\u5c31\u662frpm\u5305
\nyum\u6e90\u7684\u6587\u4ef6\u8def\u5f84\u5176\u5b9e\u662f\u627erepodata\uff0c\u800c\u4e0d\u662f\u5177\u4f53\u653e\u5305\u7684\u8def\u5f84\u6587\u4ef6\u5939
\nyum install epel-release\u5b89\u88c5epel\u6e90
\ndnf remove \u5378\u8f7ddnf reinstall \u91cd\u65b0\u5b89\u88c5dnf update \u5982\u679c\u540e\u9762\u4e0d\u66f4\u5305\u540d\u5c31\u662f\u5347\u7ea7\u6240\u6709dnf groupinstall \u7ec4\u5305\u5b89\u88c5dnf group info\u67e5\u7ec4\u5305\u4fe1\u606f
\ndnf group list\u67e5\u770b\u4ed3\u5e93\u6709\u54ea\u4e9b\u7ec4\u5305
\n\u6e90\u7801\u5305\u5b89\u88c5dnf install make gcc gcc-c++ \u8fd9\u4e09\u4e2a\u7f16\u8f91\u5de5\u5177\u5305\u5fc5\u88c5.\/configure –help\u67e5\u770b\u5b89\u88c5\u5e2e\u52a9.\/configure –prefix=\/usr\/local\/ngingxmake -j4 \u00a0\u75284\u4e2acpu\u7f16\u8bd1make install
\n19\u3001\u5efa\u7acb\u672c\u5730yum\u4ed3\u5e93\uff0c\u89e3\u51b3\u672c\u5730\u670d\u52a1\u5668\u4e0d\u80fd\u4e0a\u516c\u7f51\u4e5f\u4e0d\u80fd\u88c5\u5149\u9a71iso\u7684\u60c5\u51b5\u4e0b(\u6ce8\u610f\u4ed3\u5e93\u7cfb\u7edf\u548c\u670d\u52a1\u5668\u7cfb\u7edf\u8981\u4e00\u81f4\uff0c\u4e0d\u7136\u53ef\u80fd\u56e0\u7248\u672c\u4e0d\u4e00\u81f4\u5bfc\u81f4\u5b89\u88c5\u5931\u8d25)dnf install –downloadonly –downloaddir .\/pkgs\/ httpd\u628ahttpd\u8f6f\u4ef6\u4e0b\u8f7d\u5230\u672c\u5730\u7684pkgs\u6587\u4ef6\u4e2d\u505a\u672c\u5730httpd\u7684yum\u4ed3\u5e93
\n\u751f\u6210repodnf install createrepo \u00a0\u5148\u88c5\u8fd9\u4e2a\u5de5\u5177createrepo \/opt\/pkgs\/ \u5c31\u4f1a\u81ea\u52a8\u751f\u6210repodata\u6587\u4ef6\uff0c\u8fd9\u91cc\u9762\u653e\u7684\u5c31\u662f\u5305\u4e0e\u5305\u7684\u7d22\u5f15\u5173\u7cfb
\nvim \/etc\/yum.repo.d\/my.repo[openEuler]name=Euler pkgsbaseurl=file:\/\/\/opt\/pkgsenabled=1gpgcheck=1gpgkey=file:\/\/\/RPM-GPG-KEY-openEuler
\ndnf clean alldnf makecache
\n20\u3001\u7cfb\u7edf\u5b88\u62a4\u8fdb\u7a0bsystemdsystemctl list-unit-filessystemctl status httpd.servicesystemctl\u00a0enable\u00a0httpd.servicesystemctl reload httpd.servicesystemctl restart httpd.servicesystemctl reload-or-restart httpd.service\u5148\u4e0d\u505c\u6b62\u670d\u52a1\u52a0\u8f7d\u66f4\u6539\u7684\u6587\u4ef6\uff0c\u4e0d\u884c\u518d\u91cd\u542f\uff0c\u9632\u6b62\u6389\u7ebfsystemctl stop httpd.servicesystemctl\u00a0disable\u00a0httpd.servicesystemctl \u00a0is-active httpd.service \u67e5\u662f\u5426\u5f00\u673a\u542f\u52a8systemctl\u00a0enable\u00a0–now httpd.service \u5f00\u542f\u670d\u52a1\u5e76\u5f00\u673a\u542f\u52a8systemctl\u00a0disable\u00a0–now httpd.service \u5173\u6389\u670d\u52a1\u5e76\u5173\u6389\u5f00\u673a\u542f\u52a8
\n21\u3001swap\u628a\u5185\u5b58\u4e2d\u4e0d\u6d3b\u8dc3\u7684\u6570\u636e\u653e\u5230swap\u4e2d
\n\u521b\u5efaswapfdisk \/dev\/sdb\u6309t\u8f6c\u4e3a82\u4e3aswap\u5206\u533a\u7c7b\u578bmkswap \/dev\/sdb1\u683c\u5f0f\u5316swapon \/dev\/sdb1\u6302\u8f7dswap\u7ed9\u7cfb\u7edf
\nswapoff \/dev\/sdb1\u5378\u8f7d
\nswapon -s\u67e5\u770b\u5177\u4f53\u7684swap\u4fe1\u606f
\n\u7528\u4e00\u4e2a\u6587\u4ef6\u505aswapdd\u00a0if=\/dev\/zero of=swap.img bs=100M count=10mkswap \/tmp\/swap.img
\nfdisk -l\u67e5\u770b\u786c\u76d8\u60c5\u51b5
\nGPT\u6240\u6709\u7684\u5206\u533a\u90fd\u662f\u4e3b\u5206\u533a\uff0c\u6709\u5206\u533a\u8868\u7684\u5907\u4efd\u80fd\u529b
\nfdisk\u9ed8\u8ba4\u5206\u7684\u662fmbr\u786c\u76d8\u683c\u5f0f\uff0c\u76ee\u524dfdisk\u5de5\u5177\u5df2\u652f\u6301\u5927\u786c\u76d8GPT\u683c\u5f0f\uff0c\u6309\uff47\u53ef\u4ee5\u786c\u76d8\u8f6c\u6210gpt\u683c\u5f0f\uff0c\u8f6cgpt\u7acb\u5373\u751f\u6548\u4e0d\u7528\u6309w
\npartprobe\u521a\u5206\u5b8c\u533a\u5982\u679clsblk\u4e0d\u663e\u793a\uff0c\u5c31\u8981\u5237\u65b0\u786c\u76d8\u5206\u533a
\nmkfs.xfs \u00a0\/dev\/sdb1\u683c\u5f0f\u5316\u4e3axfs\u683c\u5f0f
\nmount\u6302\u8f7d\u00a0mount -o \u7c7b\u578b\u00a0mount -o noexec \/dev\/sdb1 \/mnt\/ \u4fdd\u62a4\u6302\u8f7d\u540e\u76ee\u5f55\u7684\u5b89\u5168\u4e0d\u8ba9\u91cc\u9762\u7684\u6587\u4ef6\u6267\u884c\u811a\u672c
\nblkid\u67e5\u770b\u6587\u4ef6\u7cfb\u7edf\u6302\u8f7d\u7684uuid\u548c\u7c7b\u578bmount UUID=\u201cXXXX\u201d \/mnt\/\u7528uuid\u6302\u8f7d
\n\u5f00\u673a\u6302\u8f7dvim \/etc\/fstab\/dev\/sdb1 \u00a0\/mnt ext4 defaults \u00a00 00 0 \u53ef\u4ee5\u4e0d\u7528\u5199
\n\u6d4b\u8bd5fstab\u6587\u4ef6\u6709\u6ca1\u6709\u95ee\u9898\uff0c\u6709\u95ee\u9898\u5c31\u5f00\u4e0d\u4e86\u673aumount \/dev\/sdb1\u00a0mount -aswapon -a
\n\u5982\u679cfstab\u6587\u4ef6\u4e2d\u6709\u6302\u8f7d\u6709\u95ee\u9898\u5c31\u5f00\u4e0d\u4e86\u673a\u81ea\u52a8\u8fdb\u7d27\u6025\u6a21\u5f0f
\n22\u3001LVM\u903b\u8f91\u5377\u7269\u7406\u786c\u76d8—\u7269\u7406\u5377PV—\u5377\u7ec4vg—\u903b\u8f91\u5377LV\u903b\u8f91\u5377\u4e2d\u7684\u6700\u5c0f\u5bfb\u5740\u5355\u5143\u4e3aLE\uff0c\u5377\u7ec4\u4e2d\u6709PE\u6700\u5c0f\u5b58\u50a8\u5355\u5143\uff0cLE\u548cPE\u5bf9\u5e94
\n\u7269\u7406\u786c\u76d8fdisk\u65f6\uff0c\u6253\u4e0a\u903b\u8f91\u5377\u7684\u6807\u7b7e\u53ef\u4ee5\u76f4\u89c2\u770b\u51fa\u7c7b\u578b\u4e3alvm\uff0c\u7528t\u8f6c\u6362\u62108e\u7c7b\u578bpvcreate \/dev\/sdb1 \/dev\/sdb2 \/dev\/sdb3 \u521b\u5efaPVpvscan\/pvdisplay\u67e5\u770bvgcreate vg1 \/dev\/sdb1 \/dev\/sdb2\u00a0vgscan\/vgdisplay\u67e5\u770blvcreate -n LV1 -L 4G vg1mkfs.xfs \/dev\/vg1\/LV1lvscan\/lvdisplay\u67e5\u770bmount \/dev\/vg1\/LV1 \u00a0\/mnt \u00a0 \u6302\u8f7dlvremove \/dev\/vg1\/LV1 \u5220\u903b\u8f91\u5377\u6302\u8f7d\u70b9<\/p>\n
\u6269\u5bb9\u770bvgs\u8fd8\u6709\u591a\u5c11\uff0c\u5982\u679c\u4e0d\u6ee1\u8db3\u5148\u6269\u5bb9\u5377\u7ec4vgextend vg1 \/dev\/sdb3lvextend \/dev\/vg1\/LV1 \u00a0-L 8G\u7b2c\u4e00\u79cd\u6269\u5bb9\u65b9\u6cd5lvresize -L +1G \/dev\/vg1\/lv1\u7b2c\u4e8c\u79cd\u6269\u5bb9\u65b9\u6cd5xfs_growfs \/mnt\/ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 xfs\u6269\u5bb9\u540e\u53ef\u4ee5\u5728\u539f\u6765\u57fa\u7840\u4e0a\u683c\u5f0f\u5316\uff0c\u6570\u636e\u4e0d\u4f1a\u4e22\uff0c\u4f46\u662fxfs\u4e0d\u652f\u6301\u7f29\u5bb9resize2fs \/dev\/vg1\/LV1 \u00a0\u5176\u5b83\u683c\u5f0f\u6269\u5bb9\u540e\u8981\u8fd9\u6837\u683c\u5f0f\u5316\u6587\u4ef6\u7cfb\u7edf
\ne2fsck -f \/dev\/vg1\/lv1 \u00a0\u78c1\u76d8\u9519\u8bef\u4fee\u590d
\n\u5220\u9664\u903b\u8f91\u5377\u5148\u5378\u8f7d\u6587\u4ef6\u7cfb\u7edfumount \/mnt\u5220\u9664\u903b\u8f91\u5377lvremove \/dev\/vg1\/lv1\u5220\u9664\u5377\u7ec4vgremove vg1\u5220\u9664\u7269\u7406\u5377pvremove \/dev\/sdb1 \/dev\/sdb2
\n23\u3001\u8ba1\u5212\u4efb\u52a1at\u4e00\u6b21\u6027\u8ba1\u5212\u4efb\u52a1\uff0c\u8981yum install at\u5b89\u88c5\u5148\uff0catd\u8fd8\u8981\u5f00\u670d\u52a1\uff0cat\u8ba1\u5212\u4efb\u52a1\u53ea\u80fd\u7cbe\u786e\u5230\u5206\u949f\u7ea7cron\u5468\u671f\u6027\u8ba1\u5212\u4efb\u52a1
\nat 9:00ctrl+D\u7ed3\u675f\u4ea4\u4e92\u8bbe\u7f6eat -l \u67e5\u770b
\nat \u00a0\u9ed1\u767d\u540d\u5355\u63a7\u5236\u54ea\u4e9b\u7528\u6237\u53ef\u4ee5\u7528at\uff0c\u53ea\u6709\u5728\u767d\u540d\u5355\u7684\u624d\u80fd\u7528at\u00a0\/etc\/at.deny\/etc\/at.allow<\/p>\n
\u5468\u671f\u6027\u8ba1\u5212\u4efb\u52a1crontab\u771f\u6b63\u6267\u884c\u662fcrond\u670d\u52a1\uff0ccrontab\u662fcrond\u7684\u7ba1\u7406\u5de5\u5177vim \/etc\/crontab\/\u4e0b\u9762\u4e5f\u884cvim \/var\/spool\/cron\/\u9ed8\u8ba4\u4f4d\u7f6e\u914d\u7f6e\u6587\u4ef6\/etc\/cron.d\/\u4e0b\u9762\u4e5f\u884c\/etc\/cron.daily\/\u4e0b\u9762\u4e5f\u884c\/etc\/cron.hourly\/\u4e0b\u9762\u4e5f\u884c\/etc\/cron.monthly\/\u4e0b\u9762\u4e5f\u884c\/etc\/cron.weekly\/\u4e0b\u9762\u4e5f\u884c
\ncrontrab -e \u770b\u4e0d\u5230\u8ba1\u5212\u4efb\u52a1\u4e0d\u4ee3\u8868\u91cc\u9762\u6ca1\u6709\uff0c\u8981\u67e5\u6240\u6709\u7684\u8ba1\u5212\u4efb\u52a1\u914d\u7f6e\u6587\u4ef6\uff0c\u9632\u6b62\u6728\u9a6c
\n\u4e94\u4e2a* * * * *\u5c31\u662f\u6bcf\u5206\u949f\u6267\u884c
\ncat\u00a0\/etc\/crontab\u67e5\u770b\u5e2e\u52a9
\n\/etc\/cron.allow\u767d\u540d\u5355\uff0c\u666e\u901a\u7528\u6237\u53ea\u80fd\u6709\u767d\u540d\u5355\u6709\u7684\u624d\u53ef\u4ee5\u7528\u8ba1\u5212\u4efb\u52a1
\ncrontab -e\u7f16\u8f91\u8ba1\u5212\u4efb\u52a1(\u91cc\u9762\u5199\u7edd\u5bf9\u8def\u5f84\u547d\u4ee4\uff0c\u91cc\u9762\u7279\u6b8a\u7b26\u53f7\u8981\u52a0\u53cd\u659c\u6760\u8f6c\u610f)crontab -l\u67e5\u770b\u5f53\u524d\u7528\u6237\u8ba1\u5212\u4efb\u52a1crontab -l -u bob \u67e5\u770bbob\u7528\u6237\u8ba1\u5212\u4efb\u52a1crontab -r\u5220\u9664\u8ba1\u5212\u4efb\u52a1crontab -u\u8bbe\u54ea\u4e2a\u7528\u6237\u7684cron\u670d\u52a1
\ntail\u00a0-f \/var\/log\/cron\u770b\u65e5\u5fd7\u67e5\u770b\u6267\u884c\u60c5\u51b5
\n24\u3001\u7f51\u7edc\u670d\u52a1nmcli con show ens33 \u00a0\u770bIP\u7b49\u8be6\u7ec6ip route show \u770b\u7f51\u5173route -n\u4e5f\u53ef\u4ee5
\n\u7f51\u7edc\u7c7b\u578ben\u4ee5\u592a\u7f51wl\u65e0\u7ebf\u7f51\u5361ww\u65e0\u7ebf\u5e7f\u57df\u7f51
\n\u63a5\u53e3\u7c7b\u578bo\u677f\u8f7d\u7f51\u5361s\u70ed\u63d2\u62e8\u7f51\u5361p pcie\u7f51\u5361
\n\u771f\u673a\u7684\u7269\u7406\u7f51\u5361\u540d\u79f0\u5c31\u662f\u7f51\u7edc\u7c7b\u578b+\u63a5\u53e3\u7c7b\u578b\u7ec4\u6210
\nifconfig ens33 down\/up \u7981\u7528\u6216\u6fc0\u6d3bip\u00a0link\u00a0set\u00a0ens33 down\/up \u7981\u7528\u6216\u6fc0\u6d3bnmcli device status \u67e5\u770b\u6240\u6709\u7f51\u5361\u8bbe\u5907\u60c5\u51b5
\n\u6b63\u786e\u547d\u4ee4\u4fee\u6539\u7f51\u5361\u914d\u7f6e\u6587\u4ef6\u540enmcli connection up ens33nmcli connection reload
\nnmtui\u56fe\u5f62\u5316\u914d\u7f6e\u7f51\u5361\u548c\u4e3b\u673a\u540d
\n\u7f51\u5361\u914d\u7f6e\u6587\u4ef6\u4e0d\u5728\u65b0\u589enmcli connection add\u00a0type\u00a0ethernet ifname ens33 con-name ens37 ipv4.method manual ipv4.address 172.16.100.1\/24 ipv4.gateway 172.16.100.254 ipv4.dns 8.8.8.8 autoconnect\u00a0yes
\n\u7f51\u5361\u914d\u7f6e\u6587\u4ef6\u5728\u4fee\u6539(\u4e0d\u5199+\u53f7\u5c31\u662f\u6539)nmcli connection modify ens33 +ipv4.address 172.16.100.2\/24 \u591a\u52a0\u4e00\u4e2aip\u5730\u5740nmcli connection up ens33
\n\u5220\u9664\u4e00\u4e2aIP\u5730\u5740nmcli connection modify ens33 -ipv4.address 172.16.100.2\/24 \u591a\u52a0\u4e00\u4e2aip\u5730\u5740nmcli connection up ens33
\n\u53ea\u6539dnsnmcli connection modify ens33 ipv4.dns 8.8.8.8nmcli connection up ens33
\n\u53ea\u6539\u7f51\u5173nmcli connection modify ens33 ipv4.gateway 192.168.1.254nmcli connection up ens33
\n\u5220\u9664\u7f51\u5361\u914d\u7f6e\u6587\u4ef6(\u5982\u679c\u6709\u591a\u4e2a\u76f8\u540c\u7684ens33\u5c31\u4ee5uuid\u5220\u9664)nmcli connection delete ens33nmcli connection delete uuidxxx
\n\u65b0\u5efa\u4e00\u4e2a\u7f51\u5361\u914d\u7f6e\u6587\u4ef6nmcli connection add\u00a0type\u00a0ethernet ifname ens33 con-name ens33nmcli connection up ens33nmcli connection show
\n\u914d\u7f6e\u9ed8\u8ba4\u8def\u7531ip route add default via 192.168.1.254 dev ens33 \u4e34\u65f6\u914d\u7f6e\u9ed8\u8ba4\u8def\u7531ip route add 192.168.2.0\/24 via 192.168.1.254 dev ens33 \u4e34\u65f6\u914d\u7f6e\u76ee\u6807\u7f51\u7edc\u52a0\u8def\u7531nmcli connection modify ens33 +ipv4.routes\u00a0“172.16.0.0\/24 \u00a0172.16.100.1”\u00a0\u6c38\u4e45\u914d\u7f6e\u76ee\u6807\u7f51\u7edc\u52a0\u8def\u7531\u53e6\u4e00\u79cd\u914d\u7f6e\u65b9\u6cd5nmcli connection modify ens33 +ipv4.routes\u00a0“0.0.0.0\/0 \u00a0172.16.100.1”\u00a0\u6c38\u4e45\u914d\u7f6e\u9ed8\u8ba4\u8def\u7531\u53e6\u4e00\u79cd\u914d\u7f6e\u65b9\u6cd5nmcli\u65b9\u6cd5\u4f1a\u5728\/etc\/sysconfig\/network-scripts\/\u4e0b\u81ea\u52a8\u589e\u52a0\u914d\u7f6e\u6587\u4ef6route-ens33
\n\u6539\u4e3b\u673a\u540dhostname\u00a0test\u00a0\u4e34\u65f6\u6709\u6548\u914d\u7f6e\u4e3b\u673a\u540dhostnamectl set-hostname \u6c38\u4e45\u6539\u7528\u6237\u540d\u65b9\u6cd5\/etc\/hostname\u6c38\u4e45\u6539\u7528\u6237\u540d\u4f1a\u81ea\u52a8\u5199\u5165\u8be5\u6587\u4ef6\u4e2d
\n\u67e5\u770b\u7cfb\u7edf\u670d\u52a1\u548c\u7aef\u53e3cat\u00a0\/etc\/services \u67e5\u670d\u52a1\u5bf9\u5e94\u7aef\u53e3netstat -ntulp\u67e5\u770b\u7cfb\u7edf\u8fd0\u884c\u7684\u7aef\u53e3ss -tanup\u4e5f\u53ef\u4ee5\u67e5\u770b\u7cfb\u7edf\u8fd0\u884c\u7684\u7aef\u53e3
\n25\u3001\u8fdb\u7a0b\u7ba1\u7406systemd\u662f\u6240\u6709\u7684\u7cfb\u7edf\u8fdb\u7a0b\u7684\u7236\u8fdb\u7a0bpid\u4e3a1top\u8fd0\u884c\u4e2d\u63091\u770b\u6709\u591a\u5c11\u6838top\u8fd0\u884c\u4e2d\u6309P\u53ef\u4ee5\u770bcpu\u4f7f\u7528\u6392\u5e8ftop\u8fd0\u884c\u4e2d\u6309M\u53ef\u4ee5\u770b\u5185\u5b58\u4f7f\u7528\u6392\u5e8f\u00a0top\u8fd0\u884c\u4e2d\u6309c\u53ef\u4ee5\u770b\u8fdb\u7a0b\u6267\u884c\u4e86\u54ea\u4e2a\u6587\u4ef6top\u8fd0\u884c\u4e2d\u6309k\u81ea\u52a8\u8f93\u5165\u5f53\u524d\u9875\u7b2c\u4e00\u884c\uff0c\u6309\u56de\u8f66\u53ef\u4ee5\u770b\u6740\u6b7b\u8fdb\u7a0b
\n\u50f5\u5c38\u8fdb\u7a0b\u8981\u624b\u52a8\u6740\uff0c\u5b64\u513f\u8fdb\u7a0b\u4e0d\u7528\u7ba1\u4f1a\u88absystemd\u81ea\u52a8\u6740\u6b7b
\n.sock\u7ed3\u5c3e\u7684\u6587\u4ef6\u4e3a\u5957\u63a5\u5b57\uff0c\u53ef\u4ee5\u628a\u5e94\u7528\u670d\u52a1\u548c\u8fdb\u7a0b\u95f4\u901a\u8bafkill\u4e0d\u662f\u6740\u6b7b\u8fdb\u7a0b\u662f\u7ed9\u8fdb\u7a0b\u53d1\u9001\u4fe1\u53f7kill\u00a0-l\u67e5\u770b\u6240\u6709\u4fe1\u53f7\u7c7b\u578b9\u662f\u5f3a\u5236\u7ed3\u675f,1\u662f\u91cd\u65b0\u8bfb\u53d6\u914d\u7f6ekillall\u901a\u8fc7\u540d\u79f0\u7ed3\u675f\u4e00\u7c7b\u8fdb\u7a0bpkill -9 -t pts\/2 \u7ed3\u675f\u4e00\u4e2a\u7ec8\u7aef\u8fdb\u7a0b
\n\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\uff08top\u4e0b\u80fd\u770b\uff09PRI\u7684\u662f\u52a8\u6001\u4f18\u5148\u7ea7\uff08\u5185\u6838\u81ea\u52a8\u8c03\u6574\uff09NI\u662f\u9759\u6001\u4f18\u5148\u7ea7\uff08\u53ef\u4ee5\u7531\u7528\u6237\u6216\u7ba1\u7406\u5458\u8c03\u6574\uff09
\nNI\u53d6\u503c\u8303\u56f4\u662f-19-20\uff0c\u503c\u8d8a\u5c0f\u4f18\u5148\u7ea7\u8d8a\u9ad8nice\u00a010 vim \u8c03\u7528\u4f18\u5148\u7ea7\u65b9\u6cd5renice -n 12 PID \u00a0\u6839\u636ePID\u4fee\u6539\u4f18\u5148\u7ea7
\n\u524d\u540e\u53f0\u6267\u884c\u7a0b\u5e8f\u6267\u884c\u547d\u4ee4\u540e\u9762\u52a0\u4e0a&\u7b26\u8868\u793a\u540e\u53f0\u6267\u884cjobs\u67e5\u770b\u540e\u53f0\u6267\u884c\u7a0b\u5e8ffg\u00a0%1\u628a\u540e\u53f01\u7684\u7a0b\u5e8f\u8c03\u5230\u524d\u53f0\u6267\u884cctrl+z\u628a\u524d\u53f0\u4efb\u52a1\u653e\u540e\u53f0\u5e76\u6682\u505cbg\u00a0%1\u5c06\u4efb\u52a1\u5728\u540e\u53f0\u7ee7\u7eed\u8fd0\u884ckill\u00a0-9 %1 \u7ed3\u675f\u540e\u53f0\u7a0b\u5e8f
\n26\u3001shell\u811a\u672c\u53d8\u91cf2\u79cd\u7c7b\u578b\uff1a\u672c\u5730\u53d8\u91cf\uff08\u672cshell\u4e0b\u751f\u6548\uff09\u3001\u73af\u5883\u53d8\u91cf(\u5176\u5b83shell\u4e5f\u80fd\u751f\u6548)set\u67e5\u770b\u672c\u5730\u53d8\u91cfunset\u53d6\u6d88\u53d8\u91cfenv\u67e5\u770b\u73af\u5883\u53d8\u91cf
\n\u672c\u5730\u53d8\u7406\u5b9a\u4e49\u65b9\u6cd5a=1echo\u00a0${a}\u00a0\u7cbe\u786e\u65b9\u6cd5echo\u00a0$a\u00a0\u8f93\u5165\u53d8\u91cf\u503c
\n\u73af\u5883\u53d8\u7406\u5b9a\u4e49\u65b9\u6cd5export\u00a0a=1
\n$?\u770b\u4e0a\u4e00\u6b21 \u547d\u4ee4\u8fd4\u56de\u7ed3\u679c\u662f1\u8fd8\u662f0\uff0c0\u4ee3\u8868\u6210\u529f
\ncurl -s -I baidu.com \u770b\u72b6\u6001\u7801
\n\/bin\/true\u8be5\u547d\u4ee4\u6267\u884c\u7ed3\u679c\u6c38\u8fdc\u4e3a0\uff0c\u5199while\u6b7b\u5faa\u73af\u7528\u7684
\nif\u00a0\u5224\u65ad(\u4e0d\u77e5\u7ed3\u679c\u5224\u65ad)#!\/bin\/bashif\u00a0ping -c1 -w 1 baidu.com &>\/dev\/nullthen echo\u00a0“baiduok”elif\u00a0ping -c1 -w 1 163.com &>\/dev\/nullthen echo\u00a0‘163ok’else echo\u00a0‘no’fi<\/p>\n
case\u4f7f\u7528(\u5df2\u77e5\u7684\u7ed3\u679c\u7528case)#!\/bin\/bashuser=$(cut\u00a0-d : -f1 \/etc\/passwd|grep bob)case\u00a0user\u00a0in bob) echo\u00a0‘hello bob’ ;; tom) echo\u00a0‘hello tom’ ;; *) echo\u00a0no user ;;esac<\/p>\n
for\u5faa\u73af\uff08\u521b\u5efa\u4e09\u4e2a\u7528\u6237\uff09#!\/bin\/bashfor\u00a0user\u00a0in\u00a0{1..3}do useradd user#user echo\u00a0user$user\u00a0create successdone<\/p>\n
for\u5faa\u73af\u8f93\u51fa\u547d\u4ee4\u7ed3\u679c\u00a0#!\/bin\/bashfor\u00a0i\u00a0in\u00a0$(ls)do echo\u00a0$idone<\/p>\n
while\u5faa\u73af(\u57fa\u4e8e\u6761\u4ef6\u5faa\u73af)#!\/bin\/bashread\u00a0-p\u00a0“input username: ”\u00a0get_userwhile\u00a0id\u00a0$get_user\u00a0 &>\/dev\/nulldo echo\u00a0$get_user\u00a0Error read\u00a0-p\u00a0“input username: ”\u00a0get_userdone useradd\u00a0$get_user echo\u00a0$get_user\u00a0useradd success!<\/p>\n
\u76d1\u63a7\u7f51\u7ad93\u79d2\u4e00\u6b21\uff0c\u5199\u4e2a\u6b7b\u5faa\u73af#!\/bin\/bashwhile\u00a0\/bin\/truedo curl -s -I baidu.com|grep HTTP|awk\u00a0‘{print $2,$3}’\u00a0>>\/website.log if\u00a0 grep -q 404 website.log then echo\u00a0webstie Error exit\u00a0100 fi sleep\u00a03done<\/p>\n
until\u5faa\u73af(\u6761\u4ef6\u6210\u7acb\u624d\u9000\u51fa\u5faa\u73af\uff0c\u548cwhille\u76f8\u53cd)#!\/bin\/bashuntil\u00a0ping -c 1 -w 1 172.16.0.1 &>\/dev\/nulldo echo\u00a0down sleep\u00a03done echo\u00a0up<\/p>\n
shell\u6267\u884c\u548c\u6392\u9519bash -x \u811a\u672c\u6a21\u62df\u8fd0\u884c<\/p>\n
\u7cfb\u7edf\u52a0\u56fa\u5185\u6838\u53c2\u6570\u52a0\u56fasysctl -a \u67e5\u770b\u6240\u6709\u751f\u6548\u7684\u5185\u6838\u53c2\u6570vim \/etc\/sysctl.conf\u91cc\u9762\u4fee\u6539\u5185\u6838\u53c2\u6570\u6c38\u4e45\u751f\u6548<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b66\u4e60\u7b14\u8bb0 HCIA\u521d\u7ea7\u90e8\u5206 1\u3001vm\u4e2dopeneuler\u5bb9\u6613\u4e0a\u4e0d\u4e86\u7f51\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5nmcli dev con e […]<\/p>\n","protected":false},"author":1,"featured_media":1798,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-1799","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-openeuler"],"_links":{"self":[{"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/posts\/1799","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/comments?post=1799"}],"version-history":[{"count":3,"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/posts\/1799\/revisions"}],"predecessor-version":[{"id":1818,"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/posts\/1799\/revisions\/1818"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/media\/1798"}],"wp:attachment":[{"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/media?parent=1799"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/categories?post=1799"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/tags?post=1799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}