The root cause of the issue is a current known bug with the imjournal module for rsyslog that...

It probably isn't. You may be reading it incorrectly. Please refer to http://www.linuxatemyram.com/

You do not need to clear your RAM cache. Linux has many decades of excellent memory management...

You can change your SSH port by simply logging in to your VPS and then opening up the SSH daemon...

PPP is enabled on our plans by default.