Tag Archives: cent os

Linux and Unix Test Disk I/O Performance With dd Command

Linux and Unix Test Disk I/O Performance With dd Command

How can I use dd command on a Linux to test I/O performance of my hard disk drive? How do I check the performance of a hard drive including the read and write speed on a Linux operating systems?
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How To: Temporarily Clear Bash Environment Variables on a Linux and Unix-like System

How To: Temporarily Clear Bash Environment Variables on a Linux and Unix-like System

I‘m a bash shell user. I would like to temporarily clear bash shell environment variables. I do not want to delete or unset an exported environment variable. How do I run a program in a temporary environment in bash or ksh shell?
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Debian 8 and Ubuntu 14.04 LTS Install Suhosin PHP Extension To Protects Server

Debian 8 and Ubuntu 14.04 LTS Install Suhosin PHP Extension To Protects Server

Suhosin is an advanced protection system for PHP installations. It was designed to protect servers and users from known and unknown flaws in PHP applications and the PHP core. How can I install suhosin extension on a Debian v8.x or Ubuntu Linux 14.04 LTS server?
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How to update Debian or Ubuntu Linux containers (lxc) VM

How to update Debian or Ubuntu Linux containers (lxc) VM
I‘m using LXC (Linux Containers) a virtualization system running on a Ubuntu LTS. How can I update all my Ubuntu or Debian Linux based guests containers from host operating system?
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