A very serious flaw was found in the way memory was being allocated on the stack for user space binaries. If heap (or different memory region) and stack memory regions were adjacent to each other, an attacker could use this flaw to jump over the stack guard gap, cause controlled memory corruption on process […]
If you are working with command line you may have come across frequent SSH Timeout issues after a few minutes of inactivity. This is very annoying because you need to open a new console and reconnect and perform any other steps you need before connecting. Usually what happens is that your connection to the server is reset […]
OpenVZ is a free open source software that provides container-based virtualization solution for Linux. OpenVZ 7 is the latest version of OpenVZ out there and it comes with Red Hat Enterprise Linux 3.10 kernel. This post is all about how to setup OpenVZ 7 on CentOS 7.x servers. One Kernel, Many VM’s OpenVZ creates multiple […]
The EPEL repository provides useful software packages that are not included in the official CentOS or Red Hat repositories. This article helps you to understand about EPEL Repository and how to enable EPEL Repository in RHEL or CentOS Operating System. What is EPEL? EPEL (Extra Packages for Enterprise Linux) is a Fedora Special Interest Group that […]
In this post, I will explain about the various Exit status and How to check Exit status of Linux Commands. This post will be helpful for those who are trying to write scripts and dealing with conditional statements. Exit Status?
“What is Inode?? How to find the INODE usage on Linux”. You know, in Unix/Linux everything is considered as a file. An Inode is a data structure that stores various information about a file. This includes