Posts November 2017
Secure SSH access with certificate based authentication and firewall rules
When I set up a new Linux server, I usually take couple of steps to secure the way I connect to the box using SSH. In this post I will walk you through the process to secure SSH access using firewall rules, changing the SSH port and enabling certificate based authentication. In this example I used a CentOS 7 box.
Continue ReadingUse Linux screen command to start multiple sessions on a remote terminal
In this post I will provide you a quick overview of the screen command. Screen can be used to open multiple interactive shell sessions within one remote ssh or local terminal session. This comes quite handy when you have to execute long running tasks on a remote Linux server, need multipe shell session or in an unstable network environment.
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