due toLinuxsystematicMySQLThe process will crash, but the installation configurationMONIT monitoringprogram, which needs to be calledMySQLThe pidfile file of the system process, but I don't know where to find the pidfile file, let alone how to find the pidfile file of this MySQL, so I share it with you here!
The following two SSH commands can view the mysql process:
ps -ef|grep mysqldwatch -n 1 "ps -ef | grep mysql"
SSH returns the query results as follows:
root 6206 1 0 16:19 ? 00:00:00 /bin/sh /usr/bin/mysqld_safe --datadir=/var/lib/mysql --pid-file=/var/lib/mysql/centos-ufo.pid
mysql 6280 6206 3 16:19 ? 00:00:22 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib/mysql/plugin --user=mysql --log-error=/var/lib/mysql/centos-ufo.err --pid-file=/var/lib/mysql/centos-ufo.pid
root 6691 1844 0 16:29 pts/0 00:00:00 grep mysqldHope Chen Weiliang Blog ( https://www.chenweiliang.com/ ) shared "Where is the MySQL database process pidfile file?Query MySQL pidfile command", it will help you.
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