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AWS Lightsail upgrade Ubuntu 16.04 LTS to 18.04 LTS

By default, Lightsail will install Ubuntu 16.04 LTS. How do I upgrade to Ubuntu Linux 18.04 LTS when using AWS Lightsail cloud server? How...

15 SELinux chcon Command Examples to Change Security Context

In SELinux, one of the frequent task that you may do is to change the security context of an object. For this, you’ll use...

Ubuntu 18.04 LTS Set Up OpenVPN Server In 5 Minutes

I am a new Ubuntu Linux 18.04 LTS server user. How do I set up an OpenVPN Server on Ubuntu Linux version 18.04 LTS...

CentOS 7 dig command not found – How to install dig on CentOS

I deployed CentOS 7 Linux minimal deployed in the cloud. However, I am unable to find the dig command on my newly created CentOS...

How to Launch an Amazon AWS EC2 Instance with UserData from CLI

In Amazon AWS, all the activities that you perform to manipulate your EC2 instances from AWS Console web interface can also be performed from...

CentOS 7.0 Set Up OpenVPN Server In 5 Minutes

I am a new CentOS Linux 7.0 server user. How do I set up an OpenVPN Server on CentOS Linux version 7.0 server to...

How to Install LDAP 389 Directory Server On Linux with Detailed Steps

389 Directory Server is an open source enterprise LDAP Server. This can handle very huge volume of data. One of the huge benefit of 389...

Ubuntu Linux Install Nvidia Driver (Latest Proprietary Driver)

I am a new Ubuntu Linux user. My laptop has Nvidia GPU. How do I install Nvidia drivers on Ubuntu Linux 16.04, 18.04, 18.10? Introduction:...

Ansible reboot Linux machine or server with playbooks

I need to reboot the VM or bare metal Linux machine/server using Ansible and wait for it to come back, but it does not...

7 Nginx Rewrite Rule Examples with Reg-Ex and Flags

  Ability to change (rewrite) incoming URL into a different URL based on your criteria is an essential feature for any webserver. Nginx rewrite is very...

Ubuntu -bash: do-release-upgrade: command not found

I am using Ubuntu Linux 16.04 LTS cloud server. I followed this page to upgrade Ubuntu 16.04 to 18.04 but, I am getting an...

How to View Chrome OS Current version and Force Update Chromebook OS

One of the important feature in Chromebook is that you don’t need to manually update the Chrome OS. Chrome OS updates the OS in...

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