Mail.log bị flooded bằng noti Feb 1 05:18:39 nginx-php-fastcgi postfix/master[1592]: fatal: remove public/pickup: Permission denied

[sourcecode language=”powershell”] root@gandalf:/var/spool/postfix# /etc/init.d/postfix stop root@gandalf:/var/spool/postfix# killall -9 postdrop root@gandalf:/var/spool/postfix# chgrp -R postdrop /var/spool/postfix/public root@gandalf:/var/spool/postfix# chgrp -R postdrop /var/spool/postfix/maildrop/ root@gandalf:/var/spool/postfix# postfix check root@gandalf:/var/spool/postfix# postfix reload [/sourcecode]

Remove dangling images & container

[sourcecode language=”powershell”] # Delete all stopped containers docker rm $( docker ps -q -f status=exited) # Delete all dangling (unused) images docker rmi $( docker images -q -f dangling=true) [/sourcecode]