Category Archives: Linux

How to restart the gnome-shell if it glitches or slows down

Posted on December 24, 2017 by Ahmed Tawfik

Alt+F2 Type r Press Enter There you go!

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A nice way to show progress when copying files

Posted on December 10, 2017 by Ahmed Tawfik

The cp command is not really good with that, there are some ways to do it, but unnecessarily complicated. The best option is to use rsync instead: rsync –progress source destination It will show you something like this: 3885367296 0% … Continue reading →

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Force PKI and Password authentication simultaneously on Ubuntu

Posted on November 23, 2017 by Ahmed Tawfik

I use AD authentication in my environment (for password-based authentication) Current Scenario A valid AD user logs in to the Ubuntu Linux server via SSH That user adds his public key to ~/.ssh/authorized_keys for passwordless login I disable/lock/delete the AD … Continue reading →

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Force expiry of a Linux Account

Posted on November 1, 2017 by Ahmed Tawfik

Just locking the linux account isn’t enough, since the user can use other methods to login, such as PKI. The best solution would be to force expire the account: sudo chage -M 0 username

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Search for an AD user using PBIS and userid

Posted on September 17, 2017 by Ahmed Tawfik

Let’s say I have a user id in Linux 234234234 and I need to check which user that represents in Active Directory. All I need is: pbis enum-users | grep -B 5 -A 5 234234234 where: enum-users: returns all users … Continue reading →

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