by Raju Alluri | Mar 7, 2018 | Education, Technical, Unix/Linux
On Tuesday, 06th March, I delivered a session on Linux Kernel Architecture at CSE department of SRKR Engineering College, Bhimavaram. The session’s goal is to introduce various subsystems of Linux Kernel and how they work together to deliver a flexible and...
by Raju Alluri | Jan 29, 2015 | Security, Technical, Unix/Linux
Here is a short description of the scenario I was working on. I am using a standard AWS AMI to run tomcat (tomcat7, to be specific.) The default configuration of AWS AMIs (and many other off-the-shelf unix based servers) is such that tomcat (or any other program that...
by Raju Alluri | Jan 29, 2015 | Security, Technical, Unix/Linux
Here is a short description of the scenario I was working on. I am using a standard AWS AMI to run tomcat (tomcat7, to be specific.) The default configuration of AWS AMIs (and many other off-the-shelf unix based servers) is such that tomcat (or any other program that...
by Raju Alluri | Sep 26, 2014 | Cloud, Security, Technical, Unix/Linux
Bash, the quarter century old shell utility on almost all popular unix based systems, is found to be vulnerable. The exploit works by injecting specially crafted values into an environment variable and using it to invoke a shell command. Once the exploit gets to that...
by Raju Alluri | Sep 26, 2014 | Cloud, Security, Technical, Unix/Linux
Bash, the quarter century old shell utility on almost all popular unix based systems, is found to be vulnerable. The exploit works by injecting specially crafted values into an environment variable and using it to invoke a shell command. Once the exploit gets to that...
by Raju Alluri | Sep 25, 2014 | Cloud, Security, Technical, Unix/Linux
If you are using AWS and EC2 instances, a reboot of most those instances is on the horizon. Amazon’s AWS informed of this reboot that is scheduled between 02:00 GMT on September 26th and 23:59 GMT on September 30th. Read more about this reboot on Gigaom and...
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