When Bash shell fails to read the right environmental variables
The Shell has environment variables which determine its behavior. Exported environment variables are also popular ways of making…
Posted inComputer Security Linux Miscellaneous
Ansible vault – how to encrypt sensitive data and decrypt it during playbook runs
Sooner or later, you will find yourself adding sensitive data into Ansible playbooks, host or group vars files.Such…
Posted inComputer Security How tos Linux
Decoding firefox cookies – sqlite cookies viewer
Web sites store information on local machines of site visitors using cookies. On subsequent visits, the browser sends…
Posted inLinux Miscellaneous Scripting
Python: why it is always a good idea to use ‘with’ key when dealing with file objects
In Python, you can read from and write to files without import any modules. Python has built-in function…
Shell script: US federal holidays
This script is written based on the list of U.S. federal holidays I found in Wikipedia - Wikipedia…
Posted inHow tos Linux Miscellaneous
strace – tracing syscall by example
The strace command allows us to trace the system calls made by a program. In this blog, I…
The Zen of Python
In [1]: import this The Zen of Python, by Tim Peters
Posted inComputer Security Linux Scripting
Linux security tip of the day
Users accounts usually get created and removed on most Development or Production servers. It is not uncommon to…
How do you compare two folders and copy the difference to a third folder?
This is my first attempt in response to a question posed in one of StackExchange sites for Unix/Linux…
Posted inHow tos Linux Miscellaneous
Extract bookmarks or favorites from your Firefox browser
Getting the URLs in your favorites or bookmarks as a plain list. I have tons of pages that…