[CentOS] Install Mariadb on Centos 7 fails

Fri Sep 23 16:36:50 UTC 2016
cpolish at surewest.net <cpolish at surewest.net>

On 2016-09-22 18:07, david wrote:
> Folks
> 
> I'm having problems installing Mariadb in Centos 7.
> 
> 
> Here's what I did:
> 
> 0)  Become root
> 1)  Make sure that mariadb and mysql are NOT installed.
> 2)  Delete residual libs
>          rm -rf /var/lib/mysq*
> 3)  yum install -y mariadb-server
>     installed mariadb-5.5.50-1.el7_2.x86_64 from the Centos 'updates'
> repository
> 4)  systemctl start mariadb
> 5)  systemctl status mariadb
> 
> All works well until step 5, where I get the result:
> 
> 
> 
> # systemctl status mariadb
> ? mariadb.service - MariaDB database server
>    Loaded: loaded (/usr/lib/systemd/system/mariadb.service; enabled; vendor
> preset: disabled)
>    Active: failed (Result: exit-code) since Thu 2016-09-22 17:46:38 PDT;
> 4min 3s ago
>  Main PID: 16261 (code=exited, status=1/FAILURE)
> 
> Sep 22 17:46:37 goat.xxx.com mysqld_safe[16261]: /usr/bin/mysqld_safe: line
> 139: /var/log/mysqld.log: Permission denied
> Sep 22 17:46:37 goat.xxx.com mysqld_safe[16261]: /usr/bin/mysqld_safe: line
> 183: /var/log/mysqld.log: Permission denied
> Sep 22 17:46:37 goat.xxx.com mysqld_safe[16261]: touch: cannot touch
> `/var/log/mysqld.log': Permission denied
> Sep 22 17:46:37 goat.xxx.com mysqld_safe[16261]: chown: cannot access
> `/var/log/mysqld.log': No such file or directory
> Sep 22 17:46:37 goat.xxx.com mysqld_safe[16261]: chmod: cannot access
> `/var/log/mysqld.log': No such file or directory
> Sep 22 17:46:37 goat.xxx.com systemd[1]: mariadb.service: main process
> exited, code=exited, status=1/FAILURE
> Sep 22 17:46:38 goat.xxx.com systemd[1]: mariadb.service: control process
> exited, code=exited status=1
> Sep 22 17:46:38 goat.xxx.com systemd[1]: Failed to start MariaDB database
> server.
> Sep 22 17:46:38 goat.xxx.com systemd[1]: Unit mariadb.service entered failed
> state.
> Sep 22 17:46:38 goat.xxx.com systemd[1]: mariadb.service failed.
> Hint: Some lines were ellipsized, use -l to show in full.
> [root at goat ~]#
> 
> My environment is a Centos 7 installation running as a VM inside Vmware, and
> is not a production system.  It is updated nightly.
> 
> When I examined the files alluded to,
> 
>   /var/log/mysqld.log
>  does not exist
> but
>   /var/log/mariadb/mariadb.log
>  exists and is empty.

Hi David,

What do these commands show?

    ls -lF /var/log/mysqld.log
    ls -lZ /var/log/mysqld.log
    getenforce

Best regards,
-- 
Charles Polisher