Linux System Admins Blog

This is my first guide in moving Magento site to another site or server. I’ve completed few Magento site transfers as we recently develop and host Magento sites. I also encountered several issues in transferring sites, and searched for different
approaches from other blog/forum sites, such as installing a new Magento instance on destination [...]

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Looking to rewrite all file requests to index?
location / {
root /var/www/nginx-default;
index index.html;
if (!-e $request_filename) {
rewrite . /index.html last;
}
}

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RieserFS is a journalling filesystem that is excellent when dealing with small files under 4K in size. When used with tail-packing it is 10-15x faster then ext2/ext3. ReiserFS was first included in Linux kernel 2.4.1 and even used as default filesystem in SUSE Enterprise Linux and others. What many may not know is that [...]

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With the 8th update of their venerable Red Hat Enterprise Linux 4 version (first released in February 2005), RedHat switches to “production 2 lifecycle phase“, where it helps customers transition to RHEL5. Ideally everyone will upgrade to rhel5 by the end of the year – Q4 2009 (in case not done already, this is a [...]

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A month ago one of our customers complained on lots of spam comments appearing on his Wordpress site. There’s no development changes, including updates, to that site since it was launched and it runs on WP version 2.3.3. We managed the issue by activating the Akismet plugin and upgrading the Wordpress to latest [...]

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Here’s my quick howto on installing GNUPG PHP Pecl extension (pecl docs) in Cpanel. Please note that this covers only the installation process and no further details on setting up gpg keys or using the function with extension or sample PHP scripts.
Installation process is very straightforward provided you met the requirements like php-pear, gnupg, [...]

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From the register:
Google has declared newspapers, orange juice and cheeseburgers that much more harmful to the planet than running a vast network of datacentres.

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Anyone running centos/rhel x86_64 systems has probably noticed that redhat has a strange way to install a mix of i386 and x86_64 rpms on such a systems. This is how redhat is using the 64bit architecture in a mixed way to be able to support also i386 applications. This is completely different from how for [...]

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This guide will help you setup Nagios user to have limited access to host and service checks. It is helpful when you want to allow your customers or clients to view and receive alerts on their servers and services, like for dedicated servers.
Procedure:
Contacts: Create new contact definitions for your client.
[...]

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Ran into an issue today where a php created file was unreadable by other users or services that run under a different user. Since this is a software originated issue the sysadmin would love for the developer to change the code to include the chmod() php function to set permission to 644 after [...]

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