Linux & Windows Tips, Tutorials, , Ideas

Managing PING through iptables


Managing PING through iptables

PING Packet InterNet Gopher, is a computer network administration utility used to test the reachability of a host on an Internet Protocol (IP) network and to measure the total round-trip time for messages sent from the originating host to a destination computer and back.



Read more about Managing PING through iptables

Share Button

Proxmox : starting worker failed: unable to parse worker upid


Proxmox : starting worker failed: unable to parse worker upid

First of all, back up the following files:

# nano /usr/share/perl5/PVE/
# nano /usr/share/pve-manager/ext4/pvemanagerlib.js


Read more about Proxmox : starting worker failed: unable to parse worker upid

Share Button

Check and Repair Hard Disk for Linux


No matter how well you take care of your computer, sometimes, it will just crash and you often have to pull off the plug to restart the computer. When such crashes happen, there is a chance that your filesystem will get corrupted or damage. It is advisable to do a filesystem check regularly to make sure that it is running properly and free of error.

 In Linux (and Mac), there is this powerful command “fsck” that you can use to check and repair your filesystem. “Fsck” stands for “File System Consistency checK”.


Read more about Check and Repair Hard Disk for Linux

Share Button

Recommended mod_security best Rules


Mod_security is a popular Apache plugin that serves as a Web Application Firewall, screening requests coming in to the webserver based on a set of configurable rules. 

The “best rules” for mod_security are often requested, although there is not a ruleset that is absolutely the best. Every website and application has slightly different circumstances, which will require some fine-tuning of the rules to make sure they are strict enough to be protective, but not so strict as to disallow normal users. 

Read more about Recommended mod_security best Rules

Share Button

Cpanel Exim server troubleshooting .


Email server troubleshooting – Cpanel

Email / Exim server troubleshooting techniques. You can use the following email server troubleshooting options in your cpanel. Mostly used this command to find spam emails and bulk email senders. You can also refer mostly used exim commands, also you can refer options in WHM – > Tweak Settings – > mail

Read more about Cpanel Exim server troubleshooting .

Share Button

TOP 100 (Q and A) for Cpanel


The following cpanel question and answers is used for exam and cpanel interview session.  cPanel university started test for cpanel certification. Read the cpanel documentation and cPanel knowledge base  to prepare cpanel test and DON’T copy and past these answers for your cpanel exams.  Try to write exam with your own style.

Read more about TOP 100 (Q and A) for Cpanel

Share Button