You probably have heard and tried using speedtest.net to test you computer or smartphone internet speed. If you have your own server or VPS you can also test internet speed connection from the command-line using the speedtest-cli utility. On this tutorial, I’ll show how to install and use speedtest-cli to test your internet speed.
Every Linux process has a process ID (PID) assigned to it. It is a unique identification number that is automatically assigned to each process when it is created in an operating system. A process is a running instance of a program. In this tutorial we’ll look into ways on how to find the PID of process.
Do you ever wonder how many thousands of packages are installed on your Linux system? Even a fairly modest Linux system is likely to have well over a thousand packages installed. And there are many ways to get details on what they are. Here are some of the most useful commands for gaining insights into the packages installed on your Linux system using APT on Ubuntu / Debian systems.
This tutorial will walk through the troubleshooting and recovery of a failed disk on a Software RAID setup. Especially mirroring the boot partition which is important when replacing disk and making sure the OS boots up properly after replacement. This tutorial was done on Ubuntu 14.04 but should still work on other distributions such as RHEL and CentOS.
SSL secured websites or HTTPS has now become a must to have on website, especially those handling sensitive client information. Having a HTTPS enabled website means that a intruder can’t intrude to communication between users and website. HTTPS not only secures communication but is now a requirement for many new features like http2, which requires you to have https enabled on your server. Having a HTTPS enabled website also improves your Google SEO (Search Engine Optimization) ranking.
In this tutorial, we will discuss two methods on how we can redirect http traffic to https on Apache web servers.
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We might have come across a situation where we might want to rename user in Linux system, for whatever reasons. We can easily rename user in Linux and also we can rename the home directory or its UID as well.
In this short tutorial, we will be discussing these things only.
Continue reading “Properly rename user accounts in Linux”
Universal Serial Bus, more commonly known as the USB has been around for quite some time now with almost every device following the standard. From our I/O devices to storage drives and even mobile phones can be connected using the USB standard. USB ports version will be explained below
This standard has evolved over the years from its inception in the mid 90’s and has had multiple versions through its history.
Databases are arguably one of the main component of any modern application. And one of the most popular implementation of SQL databases is Mysql or the new replacement MariaDB. As a system administrator, you probably have installed and configured a database before. This tutorial will walk though setting up the master-slave replication of MariaDB.
Continue reading “Setup Master Slave replication in MariaDB”