Introduction Recently researchers at Google’s Project Zero have discovered two major vulnerabilities impacting almost all the processors made in the last 20 years. These vulnerabilities have been named Meltdown and Spectre. In...Read More
View utmp, wtmp and btmp files In Linux/Unix operating systems everything is logged some where. Most of the system logs are logged in to /var/log folder. This folder contains logs related to different services and applications....Read More
Generating GPG key in Linux Q. Recently when we are building a RPM package using rpm-build we come across a requirement to have GPG key inserted in to the package for security and authenticity of the rpm package, so that people...Read More
Basics of SElinux What is SELinux? SELinux is a set of security policies/modules which are going to apply on the machine to improve the overall security of the machine. These are the Linux security modules(LSM) which are loaded...Read More
We are very much happy to announce that we started posting on DNS client and Server stuff on our blog for this month(Jan 2011). We already have some minor existing stuff related to DNS and troubleshooting it. Below are quick...Read More
We can always set time to the commands showed in history command. Why we require to set time for...Read More
IPtable is a firewall application by default installed in all the Linux flavors. It is having...Read More
IP forwarding is a concept to make Linux machine to send data from one network to other, this is same as a router(A router is a device to send packets from one point to other point depending on the packet destination/rules...Read More
What is this auto logout?Ans : Auto logout is a concept to force user to logout from the remote server. If the open session to remote server is idle for a given time. This is a security measure Linux administrators follow for...Read More
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My name is Surendra Kumar Anne. I hail from Vijayawada which is cultural capital of south Indian state of Andhra Pradesh. I am a Linux evangelist who believes in Hard work, A down to earth person, Likes to share knowledge with others, Loves dogs, Likes photography. At present I work at Bank of America as Sr. Analyst Systems and Administration. You can contact me at surendra (@) linuxnix dot com.