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How To Install Nginx on Ubuntu

This tutorial will show you how to install Nginx on Ubuntu so that you can successfully run a superior performance based web server while easing the load on your system resources. For those of you who didn’t know, Nginx is one of the most popular web servers in the world and is responsible for hosting some of the largest and highest-traffic sites on the internet. It is more resource-friendly t...

How to install Java on Ubuntu

install java ubuntu

There are many programs and scripts that require java to run it, but usually Java is not installed by default on VPS/Dedicated Server. Today I'm going to show you a simple step to install Java on Ubuntu machine. install Java on Ubuntu First step, update apt-get repository [crayon-5d2fdb85279ac961928010/] Second step, install java run time [crayon-5d2fdb85279b2338299697/] Third step, inst...

How to fix apt-get GPG error NO_PUBKEY Ubuntu 14

apt-get-gpg-error

This morning when I do apt-get update on my new Ubuntu 14.04 server, I got these error messages: Reading package lists... Done W: GPG error: http://security.ubuntu.com trusty-security Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F32 W: GPG error: http://archive.canonical.com trusty Release: ...

Linux and Unix TAR Command

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For those of you who didn’t know, The tar command used to rip a collection of files and directories into highly compressed archive file commonly called tarball or tar, gzip and bzip in Linux. The tar is most widely used command to create compressed archive files and that can be moved easily from one disk to anther disk or machine to machine. The main purpose of this article is to provide vario...

How To Install Rar/Unrar on CentOS

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

How To Install BIND9 Master and Slave DNS Server on Ubuntu

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BIND is a widely used DNS Server. Ideally, DNS server consist of 2 machines that work together simultaneously, one act as master and the other one act as slave. If your domain registrar doesn't provide you a free DNS server, or if you want to create a custom DNS record, then you might need to host your own DNS server. In this tutorial, we will cover how to configure BIND9 Master and Slave DNS s...

How To Install and Configure Squid 3 on Ubuntu

Install Squid on CentOS 7

In this tutorial we will show you how to install and configuration of Squid on your Ubuntu server. For those of you who didn’t know, Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Squid proxy is used by various organisation and internet providers to reduce bandwidth and to increase response time. This article assumes you have at least basic knowledge of linux, kno...

How To Install FFmpeg and FFmpeg-PHP Extension on CentOS

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For those of you who didn’t know, FFmpeg is a cross-platform solution for streaming audio and video as well as recording and conversion. There’s also a great PHP package called ffmpeg-php that allows for easy use of FFmpeg from inside PHP scripts. In this tutorial i will show you the easy way to install ffmpeg and ffmpeg-php (php extension). Install FFmpeg on CentOS Step 1. To install, f...

How To Install and Configure Squid 3 on CentOS

Install Squid on CentOS 7

In this tutorial we will show you how to install and configuration of Squid on your CentOS server. For those of you who didn’t know, Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Squid proxy is used by various organisation and internet providers to reduce bandwidth and to increase response time. This article assumes you have at least basic knowledge of linux, kno...

How To Increase PHP Memory Limit

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If you have seen an error like ”Fatal Error: PHP Allowed Memory Size Exhausted” in webserver logs or your browser, this means that PHP has exhausted the maximum memory limit. This tutorial will show two different ways on how you can increase the php memory limit. Check PHP Memory Limit You can check by creating a file called info.php in /var/www/html/ with the following content: [cray...