If you cannot start OpenVPN on your VPS with Ubuntu 18.04, Debian 9 or CentOS 7 with the following message: "openvpn_execve: unable to fork: Resource temporarily unavailable (errno=11)"
Please do the following:
Run "sudo systemctl edit openvpn-server@" on SSH. This will open up nano editor with an empty page.
Then add the following:
[Service]
LimitNPROC=infinity
Finally, run "systemctl daemon-reload"
Control panel shows the cached memory as used as well. Your free -m shows the actual result.To...
You do not need to clear your RAM cache. Linux has many decades of excellent memory management...
You may receive the following error message while trying to enable ufw (ufw enable):ERROR:...
If you see a message like the below when you are trying to connect to your VPS using SSH, it's...
It probably isn't. You may be reading it incorrectly. Please refer to http://www.linuxatemyram.com/