How to Remove / Uninstall Nginx on CentOS 7 / RHEL 7 / Oracle Linux 7

Nginx web server is alternative web server to Apache and Lighttpd. Nginx popularity now growing because it focuses on high concurrency, high performance while maintaining low memory usage. However, due to certain reasons webmaster or system administrator can not use Nginx on their server and decide to uninstall Nginx. Most of the webmaster, administrator and […]

How to Check and Verify the Version of Python on CentOS 6 / CentOS 7

Python is a popular programming language, which is widely used, high-level programming languages ??and has a design philosophy that emphasizes code readability. It is considered as a programming language that is easy to learn and master because of its focus on readability. Python syntax allows programmers to express concepts in fewer lines of code as […]

How to Grant a New User to Root Privileges on CentOS 6 / CentOS 7

One recommended way to manage virtual private server (VPS) or a dedicated linux server is not using the root account as the main access for SSH login. This is because usually the hackers will try to brute force your root password and potentially get access to your server. Instead of using the default root account, […]

How to Install Varnish 4 on CentOS 6 / CentOS 7

Varnish is an open source web accelerator typically run in front of web servers such as Apache or Nginx. It is also known as HTTP reverse proxy and designed to serve static content, such as images, stylesheets or scripts. Varnish will keep copies of pages from page revisit the same web server ( Apache or […]

How to Disable Autostart for a Service at boot on Linux CentOS 7 / RHEL 7

Question : Due to some reason, I had to stop a service on linux CentOS 7. But when i restarted the server, the service starts again automatically. How to stop or disabled auto start services at boot ? Answer : Just issue the following command to disabled auto start for particular service. Syntax : sudo […]

Linux Foundation Bundles SysAdmin Training Course, Certification Exam

Want to work as a Linux systems administrator? The Linux Foundation has added a way to gain the requisite knowledge and certification through a training course, Essentials of System Administration, that covers the key skills required for managing servers, clouds and other systems based on the open source OS. The course takes place fully online and […]

Top 10 most read: Xperia Z3 review, Ghost Linux bug, IBM job cut rumours

The smartphone market remains a confusing place for those seeking a new phone, with the likes of Apple, Samsung, Google, Sony and HTC all competing for attention. So it’s no surprise that V3’s head-to-head reviews between the big boys of the smartphone arena are popular, and so it proved with our Nexus 6 v iPhone […]

How to Reclaim Free Space for Linux Root Partition using Zerofree

This article discussed about how we can reclaim the free space for linux root partition that was implemented using thin provisioned disks in Linux VMware virtual machine (VM). Common advantages by implementing thin provisioned disks in VMware is the administrator are able to over-allocate storage because the provisioned thin disks consume only the space used. […]

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