对比配置文件 左右对比 Diff

#!/bin/bash # # This script is executed by "/etc/init.d/mysql" on every (re)start. # # Changes to this file will be preserved when updating the Debian package. # # NOTE: This file is read only by the traditional SysV init script, not systemd. # source /usr/share/mysql/debian-start.inc.sh if [ -f /etc/default/mysql ]; then . /etc/default/mysql fi MYSQL="/usr/bin/mysql --defaults-file=/etc/mysql/debian.cnf" MYADMIN="/usr/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf" MYUPGRADE="/usr/bin/mysql_upgrade --defaults-extra-file=/etc/mysql/debian.cnf" MYCHECK="/usr/bin/mysqlcheck --defaults-file=/etc/mysql/debian.cnf" MYCHECK_SUBJECT="WARNING: mysqlcheck has found corrupt tables" MYCHECK_PARAMS="--all-databases --fast --silent" MYCHECK_RCPT="${MYCHECK_RCPT:-root}" ## Checking for corrupt, not cleanly closed (only for MyISAM and Aria engines) and upgrade needing tables. # The following commands should be run when the server is up but in background # where they do not block the server start and in one shell instance so that # they run sequentially. They are supposed not to echo anything to stdout. # If you want to disable the check for crashed tables comment # "check_for_crashed_tables" out. # (There may be no output to stdout inside the background process!) # Need to ignore SIGHUP, as otherwise a SIGHUP can sometimes abort the upgrade # process in the middle. trap "" SIGHUP ( upgrade_system_tables_if_necessary; check_root_accounts; check_for_crashed_tables; ) >&2 & exit 0