mysql安装小记录

给MySQL:
安装：权限：
chown -R mysql:mysql mysql/

出错：

./mysql.server start
Starting MySQL.Logging to '/home/mysql/data/izm5e5xf4ylewnqwanhz1mz.err'.
2018-06-29T05:32:57.435169Z mysqld_safe Directory '/var/lib/mysql' for UNIX socket file don't exists.
The server quit without updating PID file (/home/mysql/data[FAILED]f4ylewnqwanhz1mz.pid).
[root@izm5e5xf4ylewnqwanhz1mz support-files]# mkdir /var/lib/mysql

解决：

mkdir /var/lib/mysql

出错：

./mysql.server start
Starting MySQL.Logging to '/home/mysql/data/izm5e5xf4ylewnqwanhz1mz.err'.
...The server quit without updating PID file (/home/mysql/d[FAILED]e5xf4ylewnqwanhz1mz.pid).
[root@izm5e5xf4ylewnqwanhz1mz support-files]# chmod 777 /var/lib/mysql
[root@izm5e5xf4ylewnqwanhz1mz support-files]#

解决：
chmod 777 /var/lib/mysql
[root@izm5e5xf4ylewnqwanhz1mz support-files]#
[root@izm5e5xf4ylewnqwanhz1mz support-files]#
[root@izm5e5xf4ylewnqwanhz1mz support-files]#
[root@izm5e5xf4ylewnqwanhz1mz support-files]# ./mysql.server start
Starting MySQL. [ OK ]
[root@izm5e5xf4ylewnqwanhz1mz support-files]#