Tag : CentOS

Ascendos - the start of something big

Generic Enterprise Linux is now days too important. We believe it's used by too many people (and large organisations) for the release cycles, the future and the engagement of the community to be beholden to one project.

Wouldn't it be great if there was a real community driven Enterprise Linux (EL) project? One that was accountable to it's user-base, and could engage the Enterprise Linux community (and commercial users) in new ways?

What about an Enterprise Linux project that was able to reduce the duplication of effort in debranding our favourite upstream distro? Leading to benefits for ...

— Andrew


How to Install WolfCMS on CentOS 5 in five minutes flat

Here's another one of our famous 5 minute install guides. This one is for Centos 5.6 and WolfCMS (aka FrogCMS) version 0.75.

Once again this assumes a clean install of CentOS 5, with nothing else on the box. If your setup is slightly different you will need to make allowances.

Install our pre requisites

# Install the necessary software
yum install -y httpd mysql-server php53 php53-mysql wget
# Turn on the Services
chkconfig httpd on
chkconfig mysqld on
# Start the services
service httpd start
service mysqld start

Download WolfCMS and put the files in /var/www/html

cd /tmp ...

— Andrew


The Joy of OpenVZ virtualisation

We are huge fans of OpenVZ container level virtualisation. Although we're quite puzzled as to why it is not more popular.

What is OpenVZ you ask?

OpenVZ is operating system-level virtualization based on a modified Linux kernel that allows a physical server to run multiple isolated instances known as containers, virtual private servers (VPS), or virtual environments (VE). The preferred term these days is container. Containers are sometimes compared to chroot or jail type environments but containers are really much better in terms of isolation, security, functionality, and resource management.

Why we use OpenVZ

In a nutshell: Because a ...

— Andrew


In search of an Open Source Dropbox alternative - SparkleShare

We're a big fan online file storage and replication services such as Dropbox, SpiderOak, or Ubuntu One. They enable mobile workers to collaborate, share files, work on the go and generally be more productive.

Due to security considerations (or data sovereignty laws) many of these services are not suitable for storing confidential or commercially sensitive material. Many of these services previously thought to be secure have now been shown to be insecure by design. (Hey Dropbox, almost a year ago, we noticed that you're using global dedupe across your customers files! When we added a common .iso file ...

— Andrew


What's new in CentOS 6

Here is a quick run down of some major features and updates that we'll soon see in CentOS 6. (When it's finally released).

Filesystem & Storage:

  • ext4 is now the default filesystem,
  • LVM finally supports mergable snapshots - finally we can implement safe (transacted) file level replication using rsync.

Network:

  • iSCSI support for root and /boot partitions

Kernel:

  • Updated 'tickless' kernel - save power,
  • Cgroups support for resource allocation amongst process group.

Web and applications:

  • Apache 2.2
  • MySQL 5.1.47
  • PostgreSQL 8.4.4
  • Memcached 1.4.4
  • Ruby 1.8.7
  • PHP 5.3.2
  • Tomcat 6 / OpenJDK ...

— Andrew


When will CentOS 6 be released?

Update 20100-07-11: Out the gates...

CentOS 6 is now released!

Update 2011-07-04: Asking the wrong question...

You should be asking "When will AscendOS be released" ;)

Update 2011-07-04: Crystal ball gazing...

I'm putting money on CentOS 6 being out the gates by the end of this week...

Update 2011-06-06: Release date has slipped...

Looks like it's a case of CentOS 6 will be "done when it's done". The release date is now estimated to be 13th June 2011. But who really knows, Karanbir previously said "if you need something to plan against - think 4 to 6 weeks" (11 ...

— Andrew


How to Install WordPress on CentOS 5 in five minutes flat

Ok, so you need to install WordPress on a CentOS or Red Hat server, and the boss has only given you five minutes, then read on because here you can do it in less...

This how to assumes that you have a clean installed CentOS 5 or Red Hat server, but it will probably work just fine with Fedora as well. If you already have MySQL or Apache installed then you might need to make provisions for the existing setup to avoid any conflict.

So without further waffle, here it is. Fire up a root shell and continue:

Install the ...

— Andrew


How to Install Drupal on CentOS 5 in five minutes flat

Ok so you're in a hurry to install Drupal. Don't fret. It is esay as pie!

Run the following commands from a root shell!

yum -y install mysql-server httpd php php-mysql unzip wget

chkconfig httpd on
chkconfig mysqld on

/etc/init.d/mysqld start
/etc/init.d/httpd start

echo 'CREATE DATABASE drupal;' | mysql
echo "GRANT ALL PRIVILEGES ON drupal.* TO 'drupal'@'localhost' IDENTIFIED BY 'drupal';" | mysql
echo "FLUSH PRIVILEGES;" | mysql

cd /var/www/html/
wget http://ftp.drupal.org/files/projects/drupal-6.16.tar.gz
tar -xzf drupal-6.16.tar.gz --strip-components=1
rm drupal-6.16.tar ...

— Andrew


How to install Django-CMS on CentOS 5.4 with Python 2.6

The other day I was playing around with Django CMS and battling to get it installed on CentOS 5.4. I thought I'd put these notes together in the hope that someone might find them useful. NB. These instructions are not 100% polished, but should be sufficient to get you up and running.

This will install Django 1.1.1 and Python 2.6 on CentOS 5.4, using Apache and mod_python!

Special thanks to fink from #django-cms on irc.freenode.net for his patience and advice, and the other bloggers around the globe that have written useful articles ...

— Andrew


How to Configure Eaton Ellipse ASR UPS with CentOS 5

Here's a quick post showing how to configure and setup an Eaton Ellipse ASR 1500 UPS with CentOS 5 using NUT in about 5 minutes flat!

Firstly install NUT. To do that we'll need to install Fedora EPEL.

# rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-3.noarch.rpm

Then we install NUT.

# yum install nut
# chkconfig ups on

Add the following to /etc/ups/ups.conf.

[eaton]
    driver = usbhid-ups
    port = auto
    desc = "Eaton Ellipse ASR 1500"

Add a UPS user to /etc/ups/upsd.users. Please change your password to something sensible.

    [upsmon]
            password ...

— Andrew


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