How to fix the Stack Guard security vulnerability

What is Stack Guard Security Vulnerability and How to fix it?

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…

SSH Timeout issues

How to avoid SSH timeout issues when connecting from terminal/putty

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…

How to install imapsync and use it to migrate emails

How to install imapsync and use it to migrate emails

Recently, we came across a migration task where I need to migrate bulk emails from one email service provider to another. The issue was we had very limited access to the accounts – means we just had the login credentials for the email accounts. Our search for a tool to efficiently…

How to Setup OpenVZ 7 on CentOS 7

How to Setup OpenVZ 7 on CentOS 7

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,…

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