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check open ports without netstat or lsof

Create a mirror of a local folder, on a remote server
Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)

Rsync between two servers
copying files from one server to another using rysnc. Root access need to be allowed on the destination.

Run netcat to server files of current folder

Print text string vertically, one character per line.

Open a manpage in the default (graphical) web browser
An easy alias for opening a manpage, nicely HTML formatted, in your set internet browser. If you get a "command exited with status 3" error you need to install groff.

Upgrade all expired homebrew packages
You probably want to run `brew update` before you run this command

Find Out My Linux Distribution Name and Version

View any already in progress copy command in detail
If you spot a dubious looking cp command running you can use this command to view what is being copied and to where. 1234 is the PID of the cp command being passed to the lsof utility. 3r.*REG will display the file/directory that is being read/copied. 4w.*REG will display the destination it is being written to.

List all commands present on system


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