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bash

Bash shortcuts CTRL + U = Delete everything CTRL + W = Delete a word CTRL + A = Go to Line…

postfix

List emails in queue Delete ALL queued emails Delete only deferred emails Delete specific email by queue ID postfix no local interface…

spam

Incoming & Outgoing spam filer (SAS) Link Spam Captcha https://www.hcaptcha.com

fping

fping can be used to ping multiple IP and get report. root@backup:~# fping -s -r 1 158.69.109.222 158.69.109.67 158.69.109.179 158.69.185.224 158.69.109.222 is…