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Entries Tagged as 'Linux'

My Natty Narwhal problems

May 2nd, 2011 · No Comments · Linux

Last week I decided to update to the latest recent on my VMware version of the Ubuntu Desktop and it did not go well. During the upgrade I got a disk space error message with non-displayable characters. It was a curious message since I thought I had enough disk space and it did not stop [...]

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Adventures with iRedMail – Part III

July 11th, 2010 · 1 Comment · iRedMail, Linux, newsletter

Recently I installed iRedmail at work so that we could include DKIM signatures in our newsletters. Every week we send out a newsletter to 96,000 former customers. It takes about 13 hours to send the newsletter. Yahoo is probably our most important email domain and they want us to implement DKIM. A couple of weeks [...]

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Importing Self-signed CA Certificate into Windows 7

April 18th, 2010 · No Comments · Linux

Yesterday I opted to create self-signed certificates for my local servers. Most of my local servers already had self-signed certificates with default names so it looked like a simple task. I found this document, Creating Certificate Authorities and self-signed SSL certificates, and in a few minutes I created a new Certificate Authority and replaced my [...]

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Add a partition to Openfiler

March 27th, 2010 · No Comments · Linux

I keep suffering from memory loss when it comes to using Openfiler. I use it so infrequently I keep forgetting how to add a partition to Openfiler. The user interface is not very intuitive so I keep recreating my steps. So I am posting this procedure as a reminder. Click on the link, Volumes (https://filer:446/admin/volumes.html), [...]

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How To Set Up A Terminal Server In Linux Using Ubuntu 9.10 And FreeNX

January 28th, 2010 · No Comments · firewall, Linux

This article was timely. I had just installed virtual version of Ubuntu on my ESXi server and set up VNC so I could access it. It was okay but FreeNX is a more elegant solution. The combination of FreeNX and Firehol to setup the firewall makes it a winner in my book. How To Set [...]

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Notes on Installing the Network Monitoring Appliance

November 29th, 2009 · No Comments · Linux, OpenSource

A couple of weeks ago I installed the Network Monitoring Appliance using the tutorial on HowToForge.com. Prior to installing the Network Monitoring Appliance I was planning to give the latest community version of GroundWork Monitor, http://www.groundworkopensource.com/products/community-edition/index.html another trial. My network monitoring objectives were to have the Network Monitoring appliance notify me of problems on a [...]

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Adventures with iRedMail – Part II

May 24th, 2009 · No Comments · firewall, Linux, OpenSource, SBS2K-SBS2K3

In the first installment of Adventures with iRedMail I got it to send emails but I left the MS Exchange integration for another day. Since then I have updated my DNS zone with the DKIM information, set up local DNS information, decided on naming standards, and reconfigured Postfix several times before I got it right. [...]

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Adventures with iRedMail

May 17th, 2009 · 1 Comment · Linux

I read this article on HowtoForge and decided to give it a try. I was not as successful as the author. iRedMail: Full-Featured Mail Server With LDAP, Postfix, RoundCube, Dovecot, ClamAV, DKIM, SPF On CentOS 5.x Debian (Lenny) 5.0.1 iRedMail is a shell script that lets you quickly deploy a full-featured mail solution in less [...]

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Nimble Method: Garbage Collection is Why Ruby on Rails is Slow: Patches to Improve Performance 5x; Memory Profiling

February 2nd, 2008 · No Comments · Linux, OpenSource

  The News: Ruby on Rails performance is dominated by garbage collection. We present a set of patches to greatly improve Rails performance and show how to profile memory usage to get further performance gains. What’s at Stake: Rails is slow for many uses and did not lend itself well to optimization. Significant performance gains [...]

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KeePassX – The Official KeePassX Homepage

February 2nd, 2008 · No Comments · Linux, OpenSource

KeePassX – The Official KeePassX Homepage KeePassX saves many different information e.g. user names, passwords, urls, attachmets and comments in one single database. Yesterday I got around to installing KeePassX on my Centos server. The rpm version worked fine but I had to manually create a menu item. For fun I downloaded the new versions [...]

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Linux Tip: Replacing GKSUDO for CENTOS users

January 20th, 2008 · 1 Comment · Linux

One of the annoying things about maintaining CENTOS installations is performing system maintenance as the super user from the command line. Don’t get me wrong but I was programming before graphical interfaces(BGI). The command line is a good and trusty way to perform maintenance. As long as everything works you can get by with a [...]

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Notes on Setting up the Eclipse C++ IDE on Linux

January 2nd, 2008 · No Comments · Linux, programming

Since I had recently setup my laptop with C++ version of Visual Studio 8 Express, I was curious about setting up a similar IDE environment on Linux. I initially tried to set up Anjuta DevStudio and I failed miserably. I am running CentOS 5.1. There does not appear to be a recent RPM of Anjuta. [...]

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GroundWork Monitor Open Source

November 27th, 2007 · 1 Comment · Linux, OpenSource

  GroundWork Monitor Open Source 5.1 A complete availability monitoring solution that ensures IT infrastructure uptime while identifying issues before they become real problems. Unifies best-of-breed open source tools – Nagios, Nmap, SNMP TT, PHP, Apache, MySQL and more — through PHP/AJAX-based components and an integrated user interface to deliver the extensible functionality you require. [...]

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Obay Home » Blog Archive » Installing VMWare Player on Ubuntu

November 16th, 2007 · No Comments · Linux

If you get the following error message: /usr/lib/vmware-player/bin/vmplayer: /usr/lib/vmware-player/lib/libpng12.so.0/libpng12.so.0: no version information available (required by /usr/lib/libcairo.so.2) Apply the following fix mv /usr/lib/vmware/lib/libpng12.so.0/libpng12.so.0 /usr/lib/vmware/lib/libpng12.so.0/libpng12.so.0.disabledln -sf /usr/lib/libpng12.so.0 /usr/lib/vmware/lib/libpng12.so.0/libpng12.so.0mv /usr/lib/vmware/lib/libgcc_s.so.1/libgcc_s.so.1 /usr/lib/vmware/lib/libgcc_s.so.1/libgcc_s.so.1.disabledln -sf /lib/libgcc_s.so.1 /usr/lib/vmware/lib/libgcc_s.so.1/libgcc_s.so.1 Obay Home » Blog Archive » Installing VMWare Player on Ubuntu Yup, this works for Centos 5. I upgraded to Server 1.04 today and [...]

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Variations on Updating WordPress

September 25th, 2007 · 4 Comments · Linux, WordPress

The folks have updated WordPress again and I have been evaluating different methods of upgrading. The standard method works but I have been wanting to streamline the process for remote hosts. For my locally hosted blog I used the Updating WordPress with Subversion method. This is pretty slick! I had previously checked out a copy [...]

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What is good for Ubuntu Feisty is also good for Centos 5!

September 16th, 2007 · No Comments · Linux

The Joe writes: The install goes great, but when I run the server I get the following error:/usr/lib/vmware/bin/vmware: /usr/lib/vmware/lib/libpng12.so.0/libpng12.so.0: no version information available (required by /usr/lib/libcairo.so.2) As far as I can tell, the libpng12.so.0 that gets installed to the /usr/lib/vmware/lib/libpng12.so.0 directory is the wrong version, your system should have a current version installed. To fix [...]

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Just when you thought it was safe to go out alone in the Linux world …

July 14th, 2007 · No Comments · Linux

NIC Broadcom AC 131 not properly detected – Ubuntu Forums we are also having problems with the Shuttle SS31T, we can boot from a live CD and install the OS to a IDE hard drive but the NIC and SATA are not recognised?Do you have any tips on how to get the NIC and SATA [...]

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Bill’s Grand Adventure

July 11th, 2007 · No Comments · Linux

I finally got motivated to resuscitate my Ghettobox2006. It took me a little debugging but I finally got it to recognize my SATA drive. My plan was to use this box as a general purpose Linux box running several VMware guests. The problem was that I could not get the box to boot. This was [...]

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Hard Disk MTBF: Flap or Farce?

March 4th, 2007 · No Comments · General, Linux, SBS2K-SBS2K3

  Data sheets for hard drives have always included a specification for reliability expressed in hours: commonly known as MTBF (mean time between failures), or sometimes the mean time to failure. Same difference: One way assumes that a drive will be fixed, and the other, replaced. Nowadays, this number is around a million hours for [...]

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Accessing Windows Or Samba Shares Using AutoFS

November 25th, 2006 · No Comments · Linux

Accessing Windows Or Samba Shares Using AutoFS You already installed Linux on your networked desktop PC and now you want to work with files stored on some other PCs in your network. This is where autofs comes into play. This tutorial shows how to configure autofs to use CIFS to access Windows or Samba shares [...]

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