https://www.cs.vassar.edu/ 2026-04-12T07:02:34+00:00 https://www.cs.vassar.edu/ https://www.cs.vassar.edu/_media/favicon.ico text/html 2025-06-27T18:51:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/priority?rev=1751050267&do=diff System Priorities Priorities of programs are something to be aware of. PS The first thing to do is to get to know your processes. The ps command lists out the processes you have running on the system. By using ps -l, an extended listing of your processes is provided. The fields of the most interest to this topic are the PID, NI, and COMMAND fields. The COMMAND field lists the name of the command that started your process. So, if you're looking for your runaway c++ program, a.out is the one yo… text/html 2023-02-20T17:02:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/command_please_not_found?rev=1676912542&do=diff Command 'Please' not found If you see this when you use SSH to log into a system Command 'Please' not found, did you mean: command 'please' from deb pleaser (0.5.1-4ubuntu0.22.04.1) Try: apt install <deb name> and each time you enter a command, this error message is displayed, then something is not right. This means you are logged into a system you should not be logging into but only using as a proxy or gateway. What is likely causing this is that you have some software configu… text/html 2023-01-05T22:19:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/mitm?rev=1672957190&do=diff Host Key Verification Failed At some point you may attempt to SSH into a server, workstation or device, e.g. “my_server”, that you have logged into before and you encounter a long, scary message as follows that ends with “Host Key Verification Failed