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Cake day: June 14th, 2023

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  • I used awk to migrate users from one system to another. I created template scripts for setting up the user in the new system, I dumped the data from the old system, then used awk to process the dump and create scripts for each user in the new system. That was a fun project.






  • Yes that’s the right way to block root login. An added filter you can use the ‘match’ config expression to filter logins even further.

    If you’re on the open network, your connection will be heavily hit with login attempts. That is normal. But using another service like Fail2Ban will stop repeated hits to your host.

    Ssh listens on port 22, as soon as a connection is made the host moves the connection to another port to free up 22 for other new connections. Btw: I wasn’t thinking clearly here. Out going connections won’t be using port 22, but the listening incoming port is always 22.