Via the command line, in order to append to a file, you would typically use redirection (i.e. >>). However, you won’t be able to do this as a regular user against a root-owned file. Enter the tee command: echo some_text | sudo tee -a /path/file
In *nix systems, symbolic links are quite useful in linking files or directories. When using symbolic links, there exists only one physical location of the file or directory; this allows you to create several symbolic links all pointing to a single source. Here’s a couple of use cases for symbolic …
Running a process that is detached from the terminal is sometimes useful. Case in point, I had to run a database update script remotely via SSH. However, the update script takes a long time (close to an hour) so running it over SSH wouldn’t be practical. Simply being disconnected with …