mysql 5.1.73 server on RHEL 6.7 client to get running

[Kerstin Volkenand]

I cant get mysql 5.1.73 running on RHEL 6.7 client .
content from log below and config

Log
view /var/log/mysqld.log

160909 15:11:22 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
/usr/libexec/mysqld: Table 'mysql.plugin' doesn't exist
160909 15:11:23 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it.
160909 15:11:23 InnoDB: Initializing buffer pool, size = 8.0M
160909 15:11:23 InnoDB: Completed initialization of buffer pool
160909 15:11:23 InnoDB: Started; log sequence number 0 44233
160909 15:11:23 [ERROR] Can't start server : Bind on unix socket: Address already in use
160909 15:11:23 [ERROR] Do you already have another mysqld server running on socket: /var/lib/mysql/mysql.sock ?
160909 15:11:23 [ERROR] Aborting

160909 15:11:23 InnoDB: Starting shutdown...
160909 15:11:28 InnoDB: Shutdown completed; log sequence number 0 44233
160909 15:11:28 [Note] /usr/libexec/mysqld: Shutdown complete

160909 15:11:29 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended

mysql_upgrade
root@oc8800070412 ~]# mysql_upgrade
Looking for 'mysql' as: mysql
Looking for 'mysqlcheck' as: mysqlcheck
Running 'mysqlcheck' with connection arguments: '--port=3306' '--host=127.0.0.1' '--socket=/var/lib/mysql/mysql.sock'
mysqlcheck: Got error: 2003: Can't connect to MySQL server on '127.0.0.1' (111) when trying to connect
FATAL ERROR: Upgrade failed

[root@oc8800070412 ~]# rpm -qa|grep mysql
mysql-5.1.73-5.el6_7.1.x86_64
mysql-libs-5.1.73-5.el6_7.1.x86_64
mysql-server-5.1.73-5.el6_7.1.x86_64
mysql-connector-java-5.1.17-6.el6.noarch
[root@oc8800070412 ~]#


user hsqldb
all mysql folders have the owner
hsqldb:x:96:96::/var/lib/hsqldb:/sbin/nologin

no socket under /var/lib open


[root@oc8800070412 ~]# netstat -an|grep LISTEN|grep /var
unix 2 [ ACC ] STREAM LISTENING 19547 /var/run/libvirt/libvirt-sock
unix 2 [ ACC ] STREAM LISTENING 19549 /var/run/libvirt/libvirt-sock-ro
unix 2 [ ACC ] STREAM LISTENING 16630 /var/run/cups/cups.sock
unix 2 [ ACC ] STREAM LISTENING 16761 @/var/run/hald/dbus-6TqyrzBfhN
unix 2 [ ACC ] STREAM LISTENING 16716 /var/run/acpid.socket
unix 2 [ ACC ] STREAM LISTENING 16188 /var/run/rpcbind.sock
unix 2 [ ACC ] STREAM LISTENING 16393 /var/run/dbus/system_bus_socket
unix 2 [ ACC ] STREAM LISTENING 17442 /var/run/sdp
unix 2 [ ACC ] STREAM LISTENING 16754 @/var/run/hald/dbus-15kfxHi24X
[root@oc8800070412 ~]# find / -type s|grep /var/run

/var/run/rpcbind.sock
/var/run/dbus/system_bus_socket
/var/run/cups/cups.sock
/var/run/libvirt/libvirt-sock-ro
/var/run/libvirt/libvirt-sock
/var/run/sdp
/var/run/portreserve/socket


/etc/init.d/mysqld start
FAILED



my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=hsqldb
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0

[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid

[client]
password=hsqldb
port=3306
host=127.0.0.1
socket=/var/lib/mysql/mysql.sock

~