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Agile infrastructure security – How central configuration management was used to quickly patch GHOST glibc vulnerability in data centers
GHOST vulnerability of Glibc was disclosed on 27th Jan. As with any breaking news about vulnerabilities, the initial reports were muddled about the severity of impact, and the extend of exploits running in the wild. Bobcares Dedicated Linux Systems Administrators...
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...
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