mysql安装问题

[root@iZwz926lnzvkiblc9agi3sZ ~]# rpm -ivh MySQL-server-5.6.36-1.el7.x86_64.rpm
warning: MySQL-server-5.6.36-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing...                          ################################# [100%]
    .........................
        .........................
[root@iZwz926lnzvkiblc9agi3sZ ~]# rpm -ivh MySQL-server-5.6.36-1.el7.x86_64.rpm –force –nodeps
warning: MySQL-server-5.6.36-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
error: open of –force failed: No such file or directory
error: open of –nodeps failed: No such file or directory
[root@iZwz926lnzvkiblc9agi3sZ ~]# rpm -ivh MySQL-server-5.6.36-1.el7.x86_64.rpm --force --nodeps
warning: MySQL-server-5.6.36-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing...                          ################################# [100%]
Updating / installing...
   1:MySQL-server-5.6.36-1.el7        ################################# [100%]
warning: user mysql does not exist - using root
warning: group mysql does not exist - using root
warning: user mysql does not exist - using root
warning: group mysql does not exist - using root
FATAL ERROR: please install the following Perl modules before executing /usr/bin/mysql_install_db:
Data::Dumper
[root@iZwz926lnzvkiblc9agi3sZ ~]# rpm -ivh MySQL-client-5.6.36-1.el7.x86_64.rpm
warning: MySQL-client-5.6.36-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing...                          ################################# [100%]
Updating / installing...
   1:MySQL-client-5.6.36-1.el7        ################################# [100%]
[root@iZwz926lnzvkiblc9agi3sZ ~]# rpm -ivh MySQL-devel-5.6.36-1.el7.x86_64.rpm
warning: MySQL-devel-5.6.36-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing...                          ################################# [100%]
Updating / installing...
   1:MySQL-devel-5.6.36-1.el7         ################################# [100%]
[root@iZwz926lnzvkiblc9agi3sZ ~]# service mysql start
Starting MySQL.170505 16:04:12 mysqld_safe error: log-error set to '/var/log/mariadb/mariadb.log', however file don't exists. Create writable for user 'mysql'.
The server quit without updating PID file (/var/lib/mysql/i[FAILED]zvkiblc9agi3sZ.pid).


现在怎么办?