Commands by cary (0)

  • bash: commands not found

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Remove a line from a file using sed (useful for updating known SSH server keys when they change)
For example, to remove line 5 from foo, type: vi +5d +wq foo

Install pip with Proxy
Installs pip packages defining a proxy

Watch Star Wars via telnet
Use Ctrl-] to stop it.

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Massive change of file extension (bash)
Using bash parameters expansion

Set blanket packet/second limit on network interface for Ubuntu VPS server
VPS server hosts suspect DOS attack if PPS is too high. This limits packets at the interface level. Do "sudo apt-get install iptables-persistent" to make persistent, or, if you already have, reconfigure with "sudo dpkg-reconfigure iptables-persistent"

HourGlass
Displays an animated hourglass for x amount of seconds

check open ports without netstat or lsof

Get line number of all matches in a file

how many packages installed on your archlinux?


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