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Author Archives: Ahmed Tawfik
A nice way to show progress when copying files
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
Force PKI and Password authentication simultaneously on Ubuntu
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
Posted in Linux, Ubuntu, Uncategorized
Tagged active-directory, authentication, Linux, pki, Ubuntu
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Force expiry of a Linux Account
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
Search for an AD user using PBIS and userid
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
Create random passwords from command line in Ubuntu
There are two handy tools that generate random passwords from the command line in Ubuntu (and other distros of course). It’s more secure to use passwords from these tools instead of online password generators. First of which is apg and … Continue reading
Just Some Techie Notes! 