The “dig command” – A detailed view! It’s a well known and commonly using DNS lookup tool under Unix. It has a lot of uses by the help of different switches along with it. Some important dig command usages and examples…
Author: Arunlal A
Senior System Developer at Zeta. Linux lover. Traveller.
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Happy coding and deploying!
How to create extra swap file – Linux Command Line?
What is SWAP? It’s simply a portion of hard disk, which acts like RAM. It’s used when total amount of Physical Memory is full. If the RAM is filled up and the system requires more memory, inactive pages on the…
Use of Control Operators in Unix/Linux command line
A token that performs a control function. It is a newline or one of the following: ‘||’, ‘&&’, ‘&’, ‘;’, ‘;;’, ‘|’, ‘|&’, ‘(’, or ‘)’. We can put more than one commands on the command line using Control Operators.…
How to add/enable SPF record for an account – cPanel server command line option
The SPF stands for – Sender Policy Framework. This’s a commonly using email validation method by verifying the sender IP address. By verifying sender IP address, we can identify the origin of emails. Enabling SPF for your domain means validating…
How to install/enable SPF records for all accounts on cPanel server – command line option
Let’s start with SPF, what does it stand for? Sender Policy Framework is abbreviated as SPF. This’s an email authentication measure. It’s designed to protect email spoofing by validating emails from a domain with its host’s reputed IP addresses. The…
[Solved] Why my cronjob not emailing me after it’s done?
It’s an important thing that every cPanel owner must read before setting up Cronjobs. This is simple to setup a cronjob via cPanel. You can also set an email address there to get alerts every time that the cron runs.…
Resource allocation and monitoring using LVE – CloudLinux
What is LVE? It’s a module that works with CloudLinux kernel. This concept has a lot of advantages in web hosting technology. It’s something similar to the virtualization technique that we use traditionally. The most important GOAL of LVE is to make…