cPanel JailShell, Unmount and Clean Virtfs

If you’re a sysadmin of Cpanel server, you might be aware of the JailShell. Its nothing but a User Shell with limited privileges. Users requesting for shell access to the webhosting server are provided with such shell instead of bash (Which provides root level privileges to users) . Jailshell limits the users access to their [...]

fork: resource temporarily unavailable ???

If you are getting Linux error message, Resource temporarily unavailable, it’s because your system is limiting the number of files / processes / CPU that your particular user ID can use. If you use WHM/Cpanel, enabling the “Shell fork bomb protection” can make the “Resource temporarily unavailable” message appear more often. You may get rid [...]

Installing Shoreline firewall (Shorewall) in RHEL

Shorewall is the common name for the Shoreline firewall, a “wrapper” for IPTables that will handle all the heavy lifting for you by simplifying the tasks. This article will get you started, showing you how to get Shorewall on your system. Installation Now then, I have good news and bad news for you. The bad [...]

Some Billing and Automation Software:: Both for Linux and Windows Platform

This discussion about some Automation and Billing Software. Reading this article any one can gather necessary knowledge on Automation software. Okay lets go; AWBS AWBS – “Advanced Webhost Billing System” AWBS is a commercial web host billing system, which features a wide range of modules for automated domain name registration, web host account provisioning, and [...]

How do I find out Linux Resource utilization to detect system bottlenecks?

vmstat command reports information about processes, memory, paging, block IO, traps, and cpu activity. However, a real advantage of vmstat command output – is to the point and (concise) easy to read/understand. The output of vmstat command use to help identify system bottlenecks. Please note that Linux vmstat does not count itself as a running [...]

Where the logs are stored in linux (cPanel)?

In a cPanel server, you may find logs are often stored differently comapring a control panel less server. Even Plesk saves logs in different paths. Here is a list of services and their log path that may help you finding the logs. Apache /usr/local/apache/logs/access_log /usr/local/apache/logs/error_log /usr/local/apache/domlogs/example.com MySQL /var/lib/mysql/hostname.err hostname should be resemble your hostname.

How to install Webmin on CentOS, RHEL, Fedora, Mandriva, SuSE

Webmin is a FREE web-based interface for system administration for Unix. Using any browser that supports tables and forms (and Java for the File Manager module), you can setup user accounts, Apache, DNS, file sharing and so on. Webmin consists of a simple web server, and a number of CGI programs which directly update system [...]