51Linux
How many processors or cpu cores does my system have?
How do you find out the number of CPU cores available in your Linux system? Here are a number of way, pick the one which works for you -
2 min read↗
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Practical knowledge, one discovery at a time.
75 ARTICLES
52Linux
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↗
53Linux
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↗
Linux : Why isn’t Linux updating file access time (atime)
One of the things which confuses many Linux users is why the access time attribute of a file does not change, although the file has been clearly accessed a number of
3 min read↗
55Linux
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↗
Yahoo Mail fail
After not being able to access your yahoo email account for 3 days, and losing 2 weeks worth of email from your mail folders (including inbox,drafs, sent...), what d
1 min read↗
57Linux
Extract bookmarks or favorites from your Firefox browser
Getting the URLs in your favorites or bookmarks as a plain list.
3 min read↗
58Linux
Script to download youtube videos as mp3
In order to use this script, you need to do certain things in advance -
1 min read↗
Tigrigna – Eritrean Ethiopian Internet Radio
A link for Internet Radio - mainly Eritrean and Ethiopian Tigrigna music. Some Amharic too.
1 min read↗
60Linux
Modifying user-agent in curl or wget
Recently I was trying to download numerous files from a certain website using a shell script I wrote. With in the script, first I used wget to retrieve the files, bu
2 min read↗