Ubuntu

How To Install Nginx on Ubuntu

In this tutorial, we will show you how to install Nginx on Ubuntu. 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 than Apache in most cases and can be used as a web server or a reverse proxy. So today I’m going to show you how...

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-5f6e898be36b4244997440/] Second step, install java run time [crayon-5f6e898be36b9987337328/] 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 BIND9 Master and Slave DNS Server on Ubuntu

install bind9

In this tutorial we will show you how to install BIND9 Master and Slave DNS Server on Ubuntu. 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 ...

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 Increase PHP Memory Limit

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In this tutorial, we will show you how to increase PHP memory limit on Linux server. 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. This article assumes you have at least basic...

How To Reset Root Password MySQL Server

Install MySQL Server on Ubuntu 16.04

By default, MySQL server will be installed with root account and password is blank. Have you ever forgotten the root password on one of your MySQL servers? If you have set the password for root and forget it, then you will need to reset the root password for MySQL. To reset your mysql password just follow these instructions and we assume that you already have a small amount of knowledge on MySQL...

How To Enable Slow Query Log for MySQL

Install MySQL Server on Ubuntu 16.04

MySQL has built-in functionality that allows you to log SQL queries to a file, You can enable the full SQL queries logs to a file or only slow running queries log. It is easy for us to troubleshoot/ debug the sql statement if SQL queries log enable, The slow query log is used to find queries that take a long time to execute and are therefore candidates for optimization. We assume that you alread...

How To Backup and Restore MySQL Database Using Command Line

Install MySQL Server on Ubuntu 16.04

This tutorial guide will show you two easy ways to backup and restore the data in your MySQL database using mysqldump. You can also use this process to move your data to a new web server. We assume that you already have MySQL installed on Linux system with administrative privileges and we assume that you already have a small amount of knowledge on MySQL. The parameters of the said command as fo...