Commands tagged Linux (264)

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A simple X11 tea timer
wrapping the snippet in $( )& puts the whole thing in the background so you don't tie up your login session.

read squid logs with human-readable timestamp

list files recursively by size

Youtube-dl gone stale on you/stopped working (Ubuntu)?
If you update youtube-dl from the repos, it becomes out-of-date quickly. Luckily, it can auto-update.

Adding a startup script to be run at bootup Ubuntu
This script will run each time you boot up.The script must be in /etc/init.d directory.

Stop procrastination on Facebook.com
or echo '127.0.0.1 facebook.com' | sudo tee -a /etc/hosts Do not execute this command if you don't know what you are doing.

AWK Calculator

Pipe a textfile to vim and move the cursor to a certain line
This command is more for demonstrating piping to vim and jumping to a specific line than anything else. Exit vim with :q! +23 jumps to line 23 - make vim receive the data from the pipe

Detect illegal access to kernel space, potentially useful for Meltdown detection
Based on capsule8 agent examples, not rigorously tested

Intercept, monitor and manipulate a TCP connection.
Forwards localhost:1234 to machine:port, running all data through your chain of piped commands. The above command logs inbound and outbound traffic to two files. Tip: replace tee with sed to manipulate the data in real time (use "sed -e 's/400 Bad Request/200 OK/'" to tweak a web server's responses ;-) Limitless possibilities.


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