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Monday, October 25, 2010

mod_fcgid: stderr: PHP Fatal error: Class 'DOMDocument' not found in

I was trying to install Kunena, a Joomla forum extension when I ran into this little issue.

Turned out I was missing php-xml from my installation.

So I ran

yum install php-xml
and then
service httpd restart

And continued the installation successfully! :)

I'll leave this here in case anyone has a similar error

Mount a .dmg on macosx using only the terminal

If you need to mount a .dmg file without gui access use the following command:
$ hdiutil attach <filename>.dmg -verbose

Friday, October 22, 2010

Dreamhost back up!

Yay! :)

Looks like Dreamhost is back online after their network outage today.


Here is an excerp from their status blog explaining the issue:
Update on October 21, 2010 @ 10:34 PM, PST: Word back from our admins is that the issue is routing based.  Amongst the assorted problems springing from this is a significant amount of packet loss.  That’s why some folks can see things just fine while others are having really bad problems.  We’re getting really close to cracking this nut — although we still don’t have an ETA — but we thought you’d still like to know what’s going on.
Update on October 21, 2010 @ 10:52 PM, PST: A side effect of the outage has been the violent thrashing of our internal load balancers. Naturally, this made our problems even worse. We’ve leveled those out now and continue to push forward until our networking is back to normal. More updates coming soon!
Update on October 21, 2010 @ 10:59 PM, PST: And we’re back! Apparently, this whole fiasco was caused by a bug in Cisco’s VSS operating system. Sorry that it was so hard for our team to pin down! They’re on standby now tho and will continue to watch the network to make sure nothing goes pear shaped again. If you are still seeing issues, please contact our support team as soon as possible!

Dreamhost Down?

Looks like DreamHost is having a domain wide blackout.

Several of my servers have disappeared in the last hour.

No news yet regarding the issue.

Will keep everyone updated as news comes in.

EDIT: They have attributed Network related issues to the root cause of the outage.

Check out this page for more info: http://www.dreamhoststatus.com/2010/10/21/large-scale-networking-issues-for-all-dreamhost-customers/

Friday, October 15, 2010

Zentyal formerly eBox Platform - Linux Small Business Server

Zentyal, is a UTM like linux distro based on Ubuntu. Zentyal is the new name for the distro eBox after it was formerly renamed in August 2010. It is similar to other offerings such as Untangle and ClearOS

According to their site,
"Zentyal can act as a Gateway, Infrastructure Manager, Unified Threat Manager, Office Server, Unified Communication Server or a combination of them. One single, easy-to-use platform to manage all your network services."
This makes it an ideal solution for small/medium sized businesses(SMBs) to deploy in their offices as a single device by relatively non technical individuals. These functionalities are tightly integrated, automating most tasks, avoiding mistakes and saving time for system administrators. Traditionally this kind of functionality would be hobbled together by IT consultants and would run across multiple systems which introduces complexity and stability concerns.

I have deployed earlier eBox incarnations and have been very happy with their design and performance.

Recently, they released a new version further strengthening their product offering. According to the press release that accompanied the release,

Zentyal 2.0 is based on the new Ubuntu 10.4 LTS distribution and this has implied a major change in all the server components. For this reason, Zentyal 2.0 is a new major release. With this change, the users are ensured higher levels of security, functionality and hardware compatibility.

Besides updating the Zentyal base, this version features significant usability, performance and stability improvements. Additionally, it also includes new features. With the goal of providing a Linux server that can be fully configured through a simple graphical interface, software management improvements have taken place and automatic configuration wizards have been introduced.

I'm keen to test it out and will post my results when I get a chance. In the meantime, check it out yourself and let me know what you think!

Thursday, October 7, 2010

What is OpenStack

OpenStack is an open source cloud implementation. It allows any organization to create and offer cloud computing capabilities using open source software running on standard hardware. RACKSPACE and NASA are joined by leaders from across the technology industry like CITRIX, DELL, NTT DATA, RIGHTSCALE and others to drive a deployable, totally open cloud solution.

The OpenStack framework is written using PHP, and Swift, for scalable distributed object store. Swift features object, container, account, auth, and proxy services based on code from hoster Rackspace.

Ubuntu is set to include the technology in its next release as an alternative to their popular Eucalyptus platform. source

For more information visit http://openstack.org/

How to enable Root password on Ubuntu

Ubuntu is one of the few Linux distributions out there that will not enable the root account.If you want to do something with root permission on the console you have to type sudo before the command.

sudo” means superuser do. “sudo” will prompt for “Password:”. Please specify user password

As you have noticed during the Ubuntu installation there was no question about the root password, as you might have been used to see during other Linux distribution installation process.Because of this your root accout is inactive.

If you want to enable root account (which is not recommended) enter the following command.

$sudo passwd root

This will prompt for a new root password and once you confirm it, you can start using the root account to login.

If you want to disable root account in ubuntu you need to lock the root account by using the following command

$sudo passwd -l root

If you want to work on a root console you’d better use the following command

$sudo -i


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