######Alibaba Cloud Linux 2.1903 LTS 64位
安装步骤如下：
systemctl stop firewalld
SELinux状态参数是Disabled
rpm -Uvh http://dev.mysql.com/get/mysql57-community-release-el7-9.noarch.rpm
yum -y install mysql-community-server
mysql -V
mysql Ver 14.14 Distrib 5.7.36, for Linux (x86_64) using EditLine wrapper
systemctl start mysqld 开始报错调试了很久没办法
systemctl start mysqld 启动报错 日志如下
[root@admin-manager /]# systemctl start mysqld
Job for mysqld.service failed because the control process exited with error code. See "systemctl status mysqld.service" and "journalctl -xe" for details.
[root@admin-manager /]# systemctl status mysqld.service
鈼?[0m mysqld.service - MySQL Server
Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
Active: failed (Result: start-limit) since Fri 2022-01-28 01:53:13 CST; 7s ago
Docs: man:mysqld(8)
http://dev.mysql.com/doc/refman/en/using-systemd.html
Process: 22668 ExecStart=/usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid $MYSQLD_OPTS (code=exited, status=1/FAILURE)
Process: 22651 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)
Jan 28 01:53:13 admin-manager systemd[1]: Failed to start MySQL Server.
Jan 28 01:53:13 admin-manager systemd[1]: Unit mysqld.service entered failed state.
Jan 28 01:53:13 admin-manager systemd[1]: mysqld.service failed.
Jan 28 01:53:13 admin-manager systemd[1]: mysqld.service holdoff time over, scheduling restart.
Jan 28 01:53:13 admin-manager systemd[1]: Stopped MySQL Server.
Jan 28 01:53:13 admin-manager systemd[1]: start request repeated too quickly for mysqld.service
Jan 28 01:53:13 admin-manager systemd[1]: Failed to start MySQL Server.
Jan 28 01:53:13 admin-manager systemd[1]: Unit mysqld.service entered failed state.
Jan 28 01:53:13 admin-manager systemd[1]: mysqld.service failed.
[root@admin-manager /]# journalctl -xe
-- Unit mysqld.service has finished shutting down.
Jan 28 01:53:12 admin-manager systemd[1]: Starting MySQL Server...
-- Subject: Unit mysqld.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit mysqld.service has begun starting up.
Jan 28 01:53:12 admin-manager mysqld[22644]: Initialization of mysqld failed: 0
Jan 28 01:53:12 admin-manager systemd[1]: mysqld.service: control process exited, code=exited status=1
Jan 28 01:53:12 admin-manager systemd[1]: Failed to start MySQL Server.
-- Subject: Unit mysqld.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit mysqld.service has failed.
--
-- The result is failed.
Jan 28 01:53:12 admin-manager systemd[1]: Unit mysqld.service entered failed state.
Jan 28 01:53:12 admin-manager systemd[1]: mysqld.service failed.
Jan 28 01:53:12 admin-manager systemd[1]: mysqld.service holdoff time over, scheduling restart.
Jan 28 01:53:12 admin-manager systemd[1]: Stopped MySQL Server.
-- Subject: Unit mysqld.service has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit mysqld.service has finished shutting down.
Jan 28 01:53:12 admin-manager systemd[1]: Starting MySQL Server...
-- Subject: Unit mysqld.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit mysqld.service has begun starting up.
Jan 28 01:53:13 admin-manager mysqld[22668]: Initialization of mysqld failed: 0
Jan 28 01:53:13 admin-manager systemd[1]: mysqld.service: control process exited, code=exited status=1
Jan 28 01:53:13 admin-manager systemd[1]: Failed to start MySQL Server.
-- Subject: Unit mysqld.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit mysqld.service has failed.
--
-- The result is failed.
Jan 28 01:53:13 admin-manager systemd[1]: Unit mysqld.service entered failed state.
Jan 28 01:53:13 admin-manager systemd[1]: mysqld.service failed.
Jan 28 01:53:13 admin-manager systemd[1]: mysqld.service holdoff time over, scheduling restart.
Jan 28 01:53:13 admin-manager systemd[1]: Stopped MySQL Server.
-- Subject: Unit mysqld.service has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit mysqld.service has finished shutting down.
Jan 28 01:53:13 admin-manager systemd[1]: start request repeated too quickly for mysqld.service
Jan 28 01:53:13 admin-manager systemd[1]: Failed to start MySQL Server.
-- Subject: Unit mysqld.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit mysqld.service has failed.
--
-- The result is failed.
Jan 28 01:53:13 admin-manager systemd[1]: Unit mysqld.service entered failed state.
