Huawei ECS installs mysqlb for mysqld service failed because the control process exited with error code. See “sys

Recently rented a Huawei cloud server , It's because they are greedy for big discounts for new users , It's not expensive , But it's not easy to use

One 、

Find all about linux In the system about mysql The file of

# find / -name '*mysql'

 

Delete one by one through the following

rm -rf /usr/local/mysql

# Because Huawei cloud may default to maradb  Uninstall the on the server first mariadb rely on
yum remove mariadb-libs
 

install mysql It's time to get the installation package from the following two places

The download page ：https://downloads.mysql.com/archives/community/
Download address ：https://downloads.mysql.com/archives/get/p/23/file/mysql-5.7.36-1.el7.x86_64.rpm-bundle.tar
 

And download it

decompression

tar -xvf mysql-5.7.36-1.el7.x86_64.rpm-bundle.tar

obtain

  The implementation is as follows

# 2. In turn, installation mysql rpm
rpm -ivh mysql-community-common-5.7.36-1.el7.x86_64.rpm;
rpm -ivh mysql-community-libs-5.7.36-1.el7.x86_64.rpm;
rpm -ivh mysql-community-client-5.7.36-1.el7.x86_64.rpm;
rpm -ivh mysql-community-server-5.7.36-1.el7.x86_64.rpm --force --nodeps;

start-up  systemctl start mysqld

Report errors

Job for mysqld.service failed because the control process exited with error code.
See "systemctl status mysqld.service" and "journalctl -xe" for details.
[[email protected] system]# systemctl status mysqld.service
● mysqld.service - MySQL Server
   Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Tue 2022-06-28 15:12:01 CST; 18s ago
     Docs: man:mysqld(8)
           http://dev.mysql.com/doc/refman/en/using-systemd.html
  Process: 21786 ExecStart=/usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid $MYSQLD_OPTS (code=exited, status=127)
  Process: 21763 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)

More error messages

 

  Treatment method

vi /etc/my.cnf

take datadir =  /var/lib/mysql  Change to

 

after , Still need to be in /var/lib/mysql perform mkdir data If the directory exists data Delete and recreate the folder