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Installing cPanel is very easy, what you need is patience, enough bandwidth and following tutorial described in cPanel Quick Install Guide. But even I have followed the guide carefully and make sure I have make prepation still I can go wrong. Below is quick steps to install cPanel:

1. Install Minimal CentOS
2. Create harddrive partition
3. Deactivate the firewall
4. Disable SELinux
5. Ensure your newly-installed OS has the latest updates and patches.
6. Obtaining a cPanel/WHM License
7. Begin Installation

   cd /home
   wget -N http://layer1.cpanel.net/latest
   sh latest
   /usr/local/cpanel/cpkeyclt

After 5 hours installation is complete then when I am accessing WHM, this error came up

Internal Server Error
open3: exec of /usr/local/cpanel/whostmgr/bin/whostmgr3 ./initial_setup_wizard1 failed at cpsrvd line 6114

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Although not list on CentOS Public Mirror List for Asia but there are several ISP, University, Enterprise and Public Company in Indonesia were kind enough to provide their server and bandwidth for CentOS repository. And here are the list:

• CBN
• Biznet
• Indika
• Detik

– TOP

• UI

– TOP

• Jardiknas
• UGM

I was using ISPConfig, to ease my life configuring and managing WebServer at work and I am thinking to change IP Address of webserver to another segment. I got confused how to change the IP address of ISPConfig 2 so that all sites and system recognized and used the new IP properly. Luckily I am still subscribed to ISPConfig Forum and I found this thread which help me a lot. Below is copy of how to from that forum just incase the forum is down.

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VMWare Management Console URL

https://<your.vmware.server.ip>:8333/

If you can’t access it try to open it using different browser. Still can’t? try to flush the firewall

# iptables -F

Make sure all vmware service is running, especially vmware-hostd, vmware-mgmt. Like below

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qmHandle is a tool which can be used to manage the qmail message queue. It’s written in Perl (so fully customizable) and has more features than qmail-qread and qmail-qstat.

qmHandle is a simple program which allows you to view and manage the qmail message queue.

The key features of qmHandle are:

• Freeware and open source, under the GNU General Public License;
• More information provided when reading queue contents compared to qmail-qread
• You can print queue statistics, like qmail-qstat, with color capabilities;
• You can view a message in the queue;
• You can remove one or more messages from the queue based on a criterion or use multiple delete requests each having its own criterion;
• Written in Perl, and therefore easily customizable and truly multiplatform.

The software will work on every Unix platform with Perl installed and qmail installed.

qmHandle can be downloaded qmHandle project homepage

For me qmHandle is a great tool and a must have for sysadmin for managing qmail queue system. Enough for explanation. Now let’s get started how to use it.

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