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How to Fix apt-get update GPG error BADSIG on Ubuntu or Debian

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In this tutorial, we will show you how to fix the apt-get update GPG error BADSIG on Ubuntu or Debian. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add 'sudo' to the commands to get root p...

How To Install and Configure HAproxy on CentOS 6

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In this tutorial, we will show you how to install and configure HAProxy on your CentOS 6 server. For those of you who didn’t know, HAProxy is a free and open-source Linux application used for load balancing network traffic. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is q...

How To Install ClamAV on CentOS 6

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In this tutorial, we will show you how to install and configuration of ClamAV on your CentOS 6. For those of you who didn’t know, ClamAV is an open-source (GPL) antivirus engine designed for detecting viruses, malware, and other malicious threats on Linux.  It’s easy to use and best for Linux-based Web & Mail servers. In this article, I will show you the step-by-step installation of Cla...

How To Install PPTP VPN on CentOS 6

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In this tutorial, we will show you how to install and configuration of PPTP VPN on your CentOS 6 server. For those of you who didn’t know, The Point-to-Point Tunneling Protocol (PPTP) is a method for implementing virtual private networks. PPTP uses a control channel over TCP and a GRE tunnel operating to encapsulate PPP packets. The PPTP specification does not describe encryption or authentica...

How To Install Htop on CentOS 6

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In this tutorial, we will show you how to install Htop on CentOS 6. For those of you who didn’t know, Htop is an interactive and real-time system-monitor process-viewer written for Linux. It is designed to replace the Unix program top. It shows a frequently updated list of the processes running on a computer, normally ordered by the amount of CPU usage. Unlike top, htop provides a full list of...

How To Install VestaCP on CentOS 6

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In this tutorial, we will show you how to install VestaCP on CentOS 6. For those of you who didn’t know, VestaCP is an open-source hosting control panel that currently supports both RHEL flavored Linux releases (Red Hat, CentOS) and Ubuntu. It comes with all necessary software to run and manage your websites hosted on your VPS. This article assumes you have at least basic knowledge of Linux, k...

How To Protect Directory With Password on Nginx

In this tutorial, we will show you how to protect a directory with a password on Nginx. For those of you who didn’t know, unlike Apache, Nginx does not have any .htaccess file. Password protection is achieved by using the Nginx HttpAuthBasic module directives in the configuration file. For future reference, I will show you steps to protect the directory with a password on Nginx. This article ...

How To Install Apache SVN on CentOS 7

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In this tutorial, we will show you how to install and configure Apache SVN on CentOS 7. For those of you who didn’t know, Apache Subversion which is commonly referred to in its abbreviated form as SVN, (named after the command name svn) is a popular software versioning and revision control system which is distributed as free software under the Apache License. Mainly used by developers to maint...

How To Install Rar/Unrar Packages on Ubuntu

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In this tutorial, we will show you how to install and configuration of Rar/Unrar packages on your Ubuntu. For those of you who didn’t know, RAR is the most popular tool for creating and extracting compressed archive (.rar) files, but unfortunately, the Rar tool doesn’t pre-installed under Linux systems, we need to install it using third-party tools to open, extract, uncompress or unrar archi...

How To Install Lighttpd on Ubuntu 14.10

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In this tutorial, we will show you how to install and configuration of Lighttpd on your Ubuntu 14.04 server. For those of you who didn’t know, Lighttpd is a fast and secure web server that has been optimized for high-performance environments. With a small memory footprint compared to other web servers, effective management of the CPU load, and an advanced feature set (FastCGI, SCGI, Auth, Outp...