In this tutorial, we will show you how to fix 504 gateway time-out on the Nginx web server on the Linux server. If you run an Nginx web server you may have already encountered the annoying 504 Gateway Time-out errors. This is a pretty common error and is generated most probably by the PHP max execution time limit, or by the FastCGI read timeout settings. This article assumes you have at least b...
In this tutorial, we will show you how to repair a corrupted MySQL database table on your Linux. Sometimes it happens that your database gets corrupted due to many reasons like it does not get restored properly or the server gets rebooted while updating the database etc and you have tried to repair it using PHPMyAdmin and it does show that it has been repaired but it is not. Here is how to fix a...
In this tutorial, we will show you how to enable Gzip Compression on Nginx. 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 s...
In this tutorial, we will show you how to create an Ubuntu DEB Package. Occasionally, we are dealing with software installation from source code by running configure, make, and make install. When we do it that way, we can not reverse the process (uninstall) it. To overcome that issue, we can build the source code into a DEB Package. DEB, Debian packages are standard Unix archives that include t...
In this tutorial, we will show you how to check disk space usage with ncdu utility on your Linux server. For those of you who didn’t know, Ncdu (NCurses Disk Usage) is a command-line tool to view and analyze disk space usage on Linux. It can drill down into directories and report space used by individual directories. This way it is very easy to track down space-consuming files/directories. ...
In this tutorial, we will show you how to hide Nginx Server Header on your Linux server. In default Nginx configuration, the server sends HTTP Header with the information of the Nginx version number of the Server. The HTTP response header “Server” displays the version number of the server. This information can be used to try to exploit any vulnerabilities in the Nginx, especially if you are ...
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...
In this tutorial, we will show you how to install Java on Ubuntu. For those of you who didn’t know, Java is a programming language and computing platform. It was first released by Sun Microsystems in 1995. Many programs and scripts require Java to run it, but usually, Java is not installed by default on a VPS or Dedicated Server. This article assumes you have at least basic knowledge of Linux...
In this tutorial, we will show you how to fix apt-get GPG error NO_PUBKEY on Ubuntu 14. For those of you who didn’t know, The apt packaging system has a set of trusted keys that determine whether a package can be authenticated and therefore trusted to be installed on the system. Sometimes the system does not have all the keys it needs and runs into this issue. Fortunately, there is a q...
In this tutorial, we will show you various Linux and Unix Tar command examples that might be helping you. For those of you who didn’t know, The tar command is used to rip a collection of files and directories into highly compressed archive files commonly called tarball or tar, gzip and bzip in Linux. The tar is the most widely used command to create compressed archive files and that can be mov...