AppArmor parser error for /etc/apparmor.d/usr.sbin.mysqld in /etc/apparmor.d/usr.sbin.mysqld at line 7: Could not open 'abstractions/mysql'
No directory, logging in with HOME=/
./usr/bin/mysqld_safe: 647: /usr/bin/mysqld_safe: cannot create /var/lib/mysql/wesdroid.err: Permission denied
Logging to '/var/lib/mysql/wesdroid.err'.
/usr/bin/mysqld_safe: 144: /usr/bin/mysqld_safe: cannot create /var/lib/mysql/wesdroid.err: Permission denied
/usr/bin/mysqld_safe: 1: eval: cannot create /var/lib/mysql/wesdroid.err: Permission denied
/usr/bin/mysqld_safe: 906: /usr/bin/mysqld_safe: cannot create /var/lib/mysql/wesdroid.err: Permission denied
rm: cannot remove ‘/var/lib/mysql/wesdroid.pid.shutdown’: Permission denied
/usr/bin/mysqld_safe: 144: /usr/bin/mysqld_safe: cannot create /var/lib/mysql/wesdroid.err: Permission denied
这是我收到的消息，我已经在ubuntu 14.04中安装了mysql5.7.23