Install the local ssh public key file to the account corresponding to the remote host

ssh key manager

Add private key to ssh-agent's cache

Socket statistics are easier to use than netstat. Another tool included with the iproute2 package allows you to query socket statistics.

Client management tool for squid server

squid server daemon

Split files of any size

Spell check the file

Test the server's external network speed under the command line

Reads and executes commands from the specified file in the current shell environment.

Sort all lines in a text file.

samba user and password management tool