41Linux
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 an application change its behavior.
3 min read↗
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Practical knowledge, one discovery at a time.
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42Linux
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 information might include MySQL DB credentials, A
3 min read↗
43Linux
Decoding firefox cookies – sqlite cookies viewer
Web sites store information on local machines of site visitors using cookies. On subsequent visits, the browser sends the data from the cookies on the visitors machi
3 min read↗
44Linux
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 "open" which can be used to view and manipulate file objects
3 min read↗
45Linux
Shell script: US federal holidays
This script is written based on the list of U.S. federal holidays I found in Wikipedia - Wikipedia - U.S. Federal holidays. Some of the dates, such as New Year, are
4 min read↗
46Linux
strace – tracing syscall by example
The strace command allows us to trace the system calls made by a program. In this blog, I will show you how you can use strace to capture some of the syscalls made b
4 min read↗
47Linux
The Zen of Python
The Zen of Python
1 min read↗
48Linux
Linux security tip of the day
Users accounts usually get created and removed on most Development or Production servers. It is not uncommon to simply delete the users and yet not either delete or
2 min read↗
49Linux
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 - How do you compare two folders and copy the difference to a t
2 min read↗
50Linux
Extract bookmarks or favorites from your Firefox browser
Getting the URLs in your favorites or bookmarks as a plain list.
3 min read↗