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E-commerce server optimization – How a Magento e-commerce website was optimized for less than 2 seconds load time
In our previous post we covered how our Linux Systems Administrators shed 5 seconds off in website load time for a Magento e-commerce website. Here we'll continue the discussion on how server side optimization further reduced it to a 2 second loading website. After...
High performance e-commerce website – How a Magento e-commerce website was optimized for less than 2 seconds load time
The call came through our emergency support channel. A Magento e-commerce website was seeing an increase in bounce rates (87%) and a dip in conversion rates. Analytics tools correlated the increased bounce rates with high page load times. A preliminary analysis showed...
Burning in your new server : How server hardware load testing helps us improve data center infrastructure reliability
The data was conclusive. The servers orion-47, orion-50 and orion-52 needed RAM upgrades. In the past one month their RAM usage has mostly been above 85% and was showing an increasing trend. Swap usage has grown by more than 20% and it was resulting in higher I/O wait...
Safe data recovery : Dos and Dont’s of rebuilding RAID arrays in data centers after a hard disk drive failure
It is unwelcome, it is tedious, but it is inevitable. Every service provider dreads a hard disk crash, and the downtime it can lead to, but it is one eventuality that will happen sooner or later. Today was one such day. A high priority alert notified our Dedicated...
GHOST hunting – Resolving glibc Remote Code Execution vulnerability (CVE-2015-0235) in CentOS, Red Hat, Ubuntu, Debian and SUSE Linux servers
Reports are coming in from our Dedicated Linux Systems Administrators about an evolving threat, disclosed earlier today. A heap buffer overflow vulnerability in GNU C Library (glibc), allows remote or local actors to execute arbitrary code under the privilege of user...
Surviving the blue screen of death – How a Hyper-V Windows VPS fatal error was resolved
"I did nothing. It just crashes all the time!" So began a professional administration request at the help desk of a data center we managed. The customer's unmanaged Windows 2008 R2 VPS started crashing one fine day without any apparent reason. The event logs didn't...
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