General Articles
Bash: Display Date and Time In a Specific Format
To display the current date and time in a specific format in Bash, you can use the date command. The…
Author: Rahul
I, Rahul Kumar am the founder and chief editor of TecAdmin.net. I am a Red Hat Certified Engineer (RHCE) and working as an IT professional since 2009..
Nginx
How to Enable CORS in Nginx
Cross-Origin Resource Sharing (CORS) is an important security feature for web applications. It allows web applications to use resources from…
Bash Shell
Efficiently Reading a File Line by Line in a Shell Script
Reading a file line by line is a common task in many shell scripts, as it allows you to process…
General Articles
How to Generate SPF Records for Your Domain
When you add an SPF record to your domain, it helps indicate whether your email is being spoofed or not.…
General Articles
How to Display Output in the Same Line in Python
When writing a Python script, there may be instances where you want to display output in the same line instead…
Python
How to Declare a Variable in Python
In Python, a variable is a named location in memory where you can store and access data. Variables are used…
General Articles
Postfix: Sending Emails From External SMTP Servers
If you’re managing a Linux server, you may be wondering how to configure Postfix to send emails from external SMTP…
Postfix
Postfix: Configure SASL Authentication for Remote SMTP
Postfix SASL Authentication is one of the most popular methods for remote SMTP authentication. It’s a secure, reliable, and highly…
General Articles
Relaying Outgoing Emails Based on Sender Address in Postfix
Do you want to send out emails from different senders to different places? You can do this now! Just set…
General Articles
How to limit directory depth with find command
The ‘find’ command with -maxdepth is a powerful tool in the Linux operating system. It is used to recursively search…