Linux

How to check memory (RAM) usage in Linux?

Once we face some memory issues in linux server, usually first of all check disk space. It might be the case that some applications stuffed it with log files or some other content. Here are few instructions how to do that –¬†How to identify which files take most of the disk space in Linux?. However disk space might be totally…

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Linux

Ubuntu vpn connects successfully and shortly thereafter fails – network traffic stops – either VPN and local network

I’ve started to use Ubuntu for my job needs and experienced first pretty annoying challenge with VPN connection. I’m using openvpn client with network manager. After successfull connect to VPN server I can use local and remote networks with no problem. After a while – like 1 -10 minutes , sometimes a bit longer up to couple hours or sometimes…

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