{"id":3183,"date":"2017-01-25T10:26:50","date_gmt":"2017-01-25T02:26:50","guid":{"rendered":"https:\/\/ixyzero.com\/blog\/?p=3183"},"modified":"2017-01-25T10:49:52","modified_gmt":"2017-01-25T02:49:52","slug":"centos%e5%85%b3%e6%9c%ba%e9%87%8d%e5%90%af%e5%89%8d%e8%87%aa%e5%8a%a8%e8%bf%90%e8%a1%8c%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/3183.html","title":{"rendered":"CentOS\u5173\u673a\/\u91cd\u542f\u524d\u81ea\u52a8\u8fd0\u884c\u547d\u4ee4"},"content":{"rendered":"

=Start=<\/p>\n

\u7f18\u7531\uff1a<\/h4>\n

\u5f53\u7cfb\u7edf\u4e0a\u642d\u5efa\u4e86\u4e00\u4e2aWordPress\u8fd9\u6837\u7684\u535a\u5ba2\u65f6\uff0c\u5982\u679c\u8d38\u7136\u5173\u673a\/\u91cd\u542f\u7cfb\u7edf\uff0c\u53ef\u80fd\u5bfc\u81f4MySQL\u6570\u636e\u5e93\u51fa\u9519\uff0c\u4ece\u800c\u65e0\u6cd5\u6b63\u5e38\u542f\u52a8\uff0c\u6240\u4ee5\uff0c\u9700\u8981\u5728\u7cfb\u7edf\u5173\u673a\/\u91cd\u542f\u7684\u65f6\u5019\u6dfb\u52a0\u4e00\u4e2atrigger\u7528\u4e8e\u5148\u4f18\u96c5\u7684\u5173\u95edMySQL\/Nginx\/php-fpm\u7b49\u670d\u52a1\uff0c\u7136\u540e\u5173\u673a\u3002<\/p>\n

\u5728\u6b64\u9700\u6c42\u4e2d\uff0cCentOS 6 \u548c 7 \u662f\u6709\u533a\u522b\u7684\uff0c\u56e0\u4e3a SysV \u548c systemd \u7684\u4e0d\u540c\u800c\u5bfc\u81f4\u3002<\/p>\n

\u6b63\u6587\uff1a<\/h4>\n

\u53c2\u8003\u89e3\u7b54\uff1a<\/h5>\n
\n
\n
\n
\n\n\n\n
\n
\n
# \u67e5\u770b\u7cfb\u7edf\u5f53\u524d\u7684\u8fd0\u884c\u7ea7\u522b<\/code><\/div>\n
$ runlevel<\/code><\/div>\n
N <\/code>3<\/code><\/div>\n
$ who -r<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\u8fd0\u884c\u7ea7\u522b <\/code>3<\/code> 2017<\/code>-<\/code>01<\/code>-<\/code>12<\/code> 20<\/code>:<\/code>09<\/code><\/div>\n
<\/div>\n
<\/div>\n
$ chkconfig #\u5728CentOS <\/code>7<\/code>\u4e0a\u6267\u884c\u7684\u6548\u679c<\/code><\/div>\n
<\/div>\n
\u6ce8\u610f\uff1a\u8be5\u8f93\u51fa\u7ed3\u679c\u53ea\u663e\u793a SysV \u670d\u52a1\uff0c\u5e76\u4e0d\u5305\u542b\u539f\u751f systemd \u670d\u52a1\u3002SysV \u914d\u7f6e\u6570\u636e\u53ef\u80fd\u88ab\u539f\u751f systemd \u914d\u7f6e\u8986\u76d6\u3002<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\u5982\u679c\u60a8\u60f3\u5217\u51fa systemd \u670d\u52a1,\u8bf7\u6267\u884c <\/code>'systemctl list-unit-files'<\/code>\u3002<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\u6b32\u67e5\u770b\u5bf9\u7279\u5b9a target \u542f\u7528\u7684\u670d\u52a1\u8bf7\u6267\u884c<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'systemctl list-dependencies [target]'<\/code>\u3002<\/code><\/div>\n
<\/div>\n
netconsole\u00a0\u00a0\u00a0\u00a0\u00a0 <\/code>0<\/code>:\u5173 <\/code>1<\/code>:\u5173 <\/code>2<\/code>:\u5173 <\/code>3<\/code>:\u5173 <\/code>4<\/code>:\u5173 <\/code>5<\/code>:\u5173 <\/code>6<\/code>:\u5173<\/code><\/div>\n
network\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/code>0<\/code>:\u5173 <\/code>1<\/code>:\u5173 <\/code>2<\/code>:\u5f00 <\/code>3<\/code>:\u5f00 <\/code>4<\/code>:\u5f00 <\/code>5<\/code>:\u5f00 <\/code>6<\/code>:\u5173<\/code><\/div>\n
$<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
CentOS 6<\/h6>\n

\u6309\u7167\u00a0http:\/\/unix.stackexchange.com\/questions\/48973\/execute-a-command-before-shutdown\/48974#48974<\/a> \u4e0a\u9762\u8bb2\u7684\u65b9\u6cd5\uff0c\u6d4b\u8bd5\u5931\u8d25\uff01<\/p>\n

\n
\n
\n
\n\n\n\n
\n
\n
First write your script, store it in \/etc\/init.d\/ ;<\/code><\/div>\n
then create a symlink in each of \/etc\/rc0.d and \/etc\/rc6.d (<\/code>if<\/code> you want both) pointing to your script.<\/code><\/div>\n
<\/div>\n
# vim \/etc\/init.d\/custom_test\u00a0\u00a0 #\u811a\u672c\u683c\u5f0f\u9700\u8981\u7c7b\u4f3c\u4e8e http:<\/code>\/\/www.centoscn.com\/CentOS\/2014\/0921\/3798.html \u91cc\u9762\u8bf4\u7684\u90a3\u6837\uff0c\u53ef\u4ee5\u4ece \/etc\/init.d \u4e2d\u590d\u5236\u4e00\u4e2a\u5176\u5b83\u7684\u6587\u4ef6\u7136\u540e\u8fdb\u884c\u7b80\u5355\u4fee\u6539\u5373\u53ef<\/code><\/div>\n
echo <\/code>\"`whoami` exec @(`date +%s`) before stop\"<\/code> >> \/tmp\/abcxyz<\/code><\/div>\n
<\/div>\n
# ln -s \/etc\/init.d\/custom_test \/etc\/rc0.d\/K00custom_test<\/code><\/div>\n
# ln -s \/etc\/init.d\/custom_test \/etc\/rc6.d\/K00custom_test<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
CentOS 7<\/h6>\n

\u6309\u7167\u00a0http:\/\/unix.stackexchange.com\/questions\/48973\/execute-a-command-before-shutdown\/294539#294539<\/a>\u00a0\u4e0a\u9762\u8bb2\u7684\u65b9\u6cd5\uff0c\u6d4b\u8bd5\u6210\u529f\uff01<\/p>\n

\n
\n
\n
\n\n\n\n
\n
\n
# vim \/usr\/lib\/systemd\/system\/custom_test.service #\u7f16\u5199\u5bf9\u5e94\u7684.service\u6587\u4ef6<\/code><\/div>\n
[Unit]<\/code><\/div>\n
Description=Exec @ Reboot<\/code><\/div>\n
#DefaultDependencies=no<\/code><\/div>\n
#Requires=shutdown.target reboot.target halt.target<\/code><\/div>\n
#Before=shutdown.target reboot.target halt.target<\/code><\/div>\n
#After=shutdown.target reboot.target halt.target<\/code><\/div>\n
<\/div>\n
[Service]<\/code><\/div>\n
Type=oneshot<\/code><\/div>\n
RemainAfterExit=<\/code>true<\/code><\/div>\n
#ExecStart=\/etc\/init.d\/custom_start<\/code><\/div>\n
ExecStop=\/etc\/init.d\/custom_shutdown<\/code><\/div>\n
<\/div>\n
[Install]<\/code><\/div>\n
WantedBy=multi-user.target<\/code><\/div>\n
<\/div>\n
# systemctl enable custom_test #\u542f\u7528\u7f16\u8f91\u597d\u7684.service<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\u53c2\u8003\u94fe\u63a5\uff1a<\/h6>\n