I uninstalled everything related to mysql-server. Then, uninstalled apparmor. Reinstalled mysql-server via: apt-get install mysql-server and it worked! rebooted and it was still working.
tried to reinstall apparmor and got the following:
Setting up apparmor (2.7.102-0ubuntu3) ...
* Starting AppArmor profiles Skipping profile in /etc/apparmor.d/disable: usr.sbin.rsyslogd
AppArmor parser error for /etc/apparmor.d/usr.sbin.mysqld in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /etc/apparmor.d/sbin.dhclient in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /etc/apparmor.d/usr.sbin.tcpdump in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc' [fail]
invoke-rc.d: initscript apparmor, action "start" failed.
* Reloading AppArmor profiles Skipping profile in /etc/apparmor.d/disable: usr.sbin.rsyslogd
AppArmor parser error for /etc/apparmor.d/sbin.dhclient in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /etc/apparmor.d/usr.sbin.mysqld in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /etc/apparmor.d/usr.sbin.tcpdump in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
invoke-rc.d: initscript apparmor, action "reload" failed.
I uninstalled everything related to mysql-server. Then, uninstalled apparmor. Reinstalled mysql-server via: apt-get install mysql-server and it worked! rebooted and it was still working.
tried to reinstall apparmor and got the following:
Setting up apparmor (2.7.102-0ubuntu3) ... d/disable: usr.sbin.rsyslogd d/usr.sbin. mysqld in /etc/apparmor. d/tunables/ global at line 17: Could not open 'tunables/proc' d/sbin. dhclient in /etc/apparmor. d/tunables/ global at line 17: Could not open 'tunables/proc' d/usr.sbin. tcpdump in /etc/apparmor. d/tunables/ global at line 17: Could not open 'tunables/proc'
[ fail] d/disable: usr.sbin.rsyslogd d/sbin. dhclient in /etc/apparmor. d/tunables/ global at line 17: Could not open 'tunables/proc' d/usr.sbin. mysqld in /etc/apparmor. d/tunables/ global at line 17: Could not open 'tunables/proc' d/usr.sbin. tcpdump in /etc/apparmor. d/tunables/ global at line 17: Could not open 'tunables/proc'
* Starting AppArmor profiles Skipping profile in /etc/apparmor.
AppArmor parser error for /etc/apparmor.
AppArmor parser error for /etc/apparmor.
AppArmor parser error for /etc/apparmor.
invoke-rc.d: initscript apparmor, action "start" failed.
* Reloading AppArmor profiles Skipping profile in /etc/apparmor.
AppArmor parser error for /etc/apparmor.
AppArmor parser error for /etc/apparmor.
AppArmor parser error for /etc/apparmor.
invoke-rc.d: initscript apparmor, action "reload" failed.