man page for crontab schedule format
The scheduling format for the Linux scheduling daemon cron are not easy to remember, especially if you don't…
chown symbolic link
One of the most commonly used Linux system administration tools is chown, which is part of the coreutils…
Record ssh session using screen
How to record your ssh session using screen. Per the man page - "Screen is a full-screen window…
shuffle files in a directory with python
Randomly ordering files in a directory with python I have a playlist file which contains audio files to…
Posted inComputer Security How tos Linux
ngrep – insecure connections your browser is making
Ngrep is a very user friendly packet sniffer, basically the "grep" equivalent at the network layer. Here is…
Posted inInternet policy Miscellaneous
Find Internet Service Providers in your area
How to locate broadband Internet service providers in your area. The FCC keeps a database of national broadband…
Posted inComputer Security How tos Linux
Block all users from logging in to a system except for root
In some cases, you might want to block all users from logging in to the system or just…
How to stop showing login messages
During user login, a Linux box might show message of the day(motd), new email, or package updates information.…
Posted inPersonal Finance
10 steps for financial independence
How to be financially independent. For clarity I am going to define financial independence by what it is…
httpie – to curl or not to curl
How to interact with web services. Curl is the defacto CLI tool for interacting with web services and…