Backup MySQL database
Today, we’re going to be covering the 3 most important rules for any Linux System Administrator: Backups, Backups, Backups. That’s right, if you don’t have backups, you have failed in your duties....
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KVM and GlusterFS 3.3.1 performance on CentOS 6
Currently I am testing the usability and performance of GlusterFS as a suitable virtual image store for the KVM hypervisor on Centos 6. Setup: Hypervisor: Centos 6 x64, AMD Phenom II 1090T, 16G RAM...
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Fedora 18 Review
Fedora 18 was released in the middle of last month without too much fanfare. I suspect this is likely because the beta was extremely buggy; many people had trouble installing Fedora 18 Beta using the...
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Linux Cloud Technologies 2013
Build The Cloud On Linux! Build the cloud on Linux! This year looks very promising for Linux when it comes to building your private cloud using open source technologies. Finally, Linux-based...
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RHCSA Study Guide RHEL 6
If you are considering obtaining a certification in Linux to advance your career, a great certificate to hold is the Red Hat Certified System Administrator (RHCSA). Red Hat is the premier enterprise...
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GlusterFS Tips and Tricks CentOS
I’ve been playing around with the latest stable release of GlusterFS, currently 3.3.1, for the last couple of weeks. GlusterFS is a scale-out cluster storage system that is extremely easy to setup and...
View ArticleFedora 18 won’t boot
Recently I filed a bug report with bugzilla regarding Fedora 18′s inability to boot after successful installation from all types of installation methods. Check the comment section of the Fedora 18...
View ArticleStart iptables in Debian Automatically
If 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...
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Python Backup Script
Part one, take the first full backup. At the present time, this code is still under development and should not be used on a production machine. However, I am posting it here for reference. Eventually,...
View ArticleTop 10 useful linux cli tools
Here are some tools I use on a fairly frequent basis, which may or may not be installed by default in your distribution. I highly recommend installing these tools during the provisioning stage of your...
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Install vSphere CLI in CentOS 6
I recently installed VMware’s vSphere CLI 5.1 tools on a CentOS 6 x86_64 VM. Despite the rather reassuring documentation released by VMware, installing these tools was no simple task. I will outline...
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Centos 6 Apache Kerberos AD SSO
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...
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Ajax script with python backend
At my day job, I’m a Linux System Administrator. This roughly translates to “Everything System Administrator” as I work in a lot of other capacities as well. One of my duties is maintaining an...
View ArticleConnect to SQL Server with Python
Recently I was tasked to rewrite some Perl cgi scripts. My time is valuable to me, so I rewrote them in Python! One of the functions of the cgi scripts was to connect to a Microsoft SQL Server 2008...
View ArticleSQL Server insert with sub queries
Extremely awesome SQL query I wrote. use my_db INSERT INTO dbo.my_archive select ltrim(rtrim(str(b.my_id)))+ltrim(rtrim(str(b.date))) pid_date, b.my_id, b.date, p.column1+p.column2 ssdd, p.last_name,...
View ArticleJoin Fedora 19 to Active Directory Domain
I recently answered a question on a forum regarding adding Fedora 19 to an Active Directory (AD) domain using realmd. I have installed F19 stable from Netinstall CD using minimal install, no desktop....
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Install OpenStack Grizzly on Fedora 19 with Quantum Networking
I recently registered for an watched a Red Hat online seminar, Taste of Training for the upcoming Red Hat Open Stack course. Up until very recently, Red Hat OpenStack was only a technology preview,...
View ArticleHow to RDP from CentOS 6 using Network Level Auth
Connecting from CentOS 6 to Windows Server 2008 R2 used to be impossible if you had Network Level Authentication required on your Windows Servers. However, the latest version of rdesktop (1.8 as of...
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Join CentOS 6 to Active Directory Domain
Joining CentOS 6 or Red Hat Enterprise Linux 6 to an Active Directory Domain is relatively simple. While Active Directory is proprietary software developed by Microsoft, it’s fairly ubiquitous in...
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CentOS 6 Google App Engine Python Development with Eclipse
With more and more companies moving applications to the cloud, Google App Engine makes a lot of sense. GAE is a Platform as a Service (PaaS) product offered which runs on Google’s infrastructure....
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