I recently setup a RHEL / Centos 6 Apache websever at work that integrates with Active Directory (AD) and Kerberos for a single sign on (SSO) web resource. This took me a lot more time than I thought it would, but that’s because the tutorials I was reading were either wrong, or didn’t apply to my situation. I am outlining the steps I took below to help others who may wish to have a similar setup.
Start iptables in Debian Automatically
0If you are trying to make iptables survive a reboot in Debian Squeeze or Wheezy, you may find the following of use. After you get your iptables all squared away, save them to a text file with the incredibly handy /sbin/iptables-save command:
/sbin/iptables-save > /root/iptables.saved
This will create a text file in the /root directory containing lines that will be parsed by iptables when used with the iptables-restore command.
Next, add the following script to your system:
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Ubuntu 10.04 rescue information
0I recently encountered a problematic server running Ubuntu 10.04 server. The problem was simple, and so was the solution, but there were many hurdles in the way that, if you’re not familiar with them, will prevent you from accomplishing the task. This should apply to later Ubuntu distros as well.
Scenario: The server is a Dell, on the other side of the country. You have only DRAC access, no ability to manipulate anything physically. Somehow, the root password was changed, and now no one can log into the server remotely. (more…)
Debian Wheezy PXE server
0I’m writing this entry because some of the existing info online is either outdated, incomplete, or doesn’t suite my specific needs.
Goal: Create a Debian server that provides DHCP and PXE boot services of multiple to specific hosts on the same network. This is not for running thin clients, this article is for imaging new systems (though that is a fun idea for a future article!).
Requirements: Debian Wheezy or other compatible server with plenty of free space, and an additional server/computer on the same network (or virtual network) as the Debian server. If you’re using something other than Debian Wheezy, I can’t assure you the packages will be the same and configured the same way. This is Linux, after all.
Configuring CentOS 6 Web Server
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In this article, I’m going to be outlining the steps to install and configure a complete web server on a base install of CentOS 6. (Which should be compatible with Scientific Linux 6 as well as Red Hat Enterprise Linux 6)
I personally don’t prefer to install package groups relating to “LAMP” or similar during initial installation because I’m simply too lazy to review each and every package that is included in those groups, and what the dependencies are. By installing the required packages using yum, this allows you to install just the software you’re looking for, without worrying about dependencies. This software stack is time tested; we’ll install on CentOS’s latest release, and test a few popular applications while we’re at it! (more…)
Ubuntu 12.04 Web Server
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The Ubuntu Web Stack
In this article, I’m going to be outlining the steps to install and configure a complete web server on a base install of Ubuntu 12.04 LTS server edition.
I personally don’t prefer to install package groups relating to “LAMP” or similar during initial installation because I’m simply too lazy to review each and every package that is included in those groups, and what the dependencies are. By installing the required packages using apt-get, this allows you to install just the software you’re looking for, without worrying about dependencies. This software stack is time tested; we’ll install on Ubuntu’s latest release, and test a few popular applications while we’re at it!
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