The Ring is an open source tool which allows its users to communicate in multiple ways. It was developed with the main goal of protecting privacy and personal information. It is created and developed by a small team at Savoir-faire [...]
How to Setup CockroachDB Cluster on Linux
CockroachDB is an open-source project which is designed to be scalable and resilient to failure. Best features of RDBMS and NoSQL are combined together in this product. You can start using CockroachDB from a single node and add more nodes [...]
A List of Awesome Linux Command Line Text Based Games
The Linux command line is a powerful console which lets you interact with the entire Linux environment at a more intimate level. Though Linux isn't well known for gaming like Windows is, you can do a whole lot more with [...]
How to Setup Postfix Mail Server with DKIM
Installation and configuration of the mail server (Mail Transfer Agent, MTA) is one of the typical tasks any system administrator faces. Here we will cover the task and by the end of the article will have CentOS 7 with Postfix [...]
Cheat - Create and View Cheatsheets on Command Line
Ever Linux user can admit often forgetting Linux commands or their options. Often we have to check Google or Askubuntu and some other places to remind us of some commands. Personally, I don't seem to keep "# add-apt-repository" in my [...]
fd - Powerful Alternative to Linux Find Command
The Linux directory tree obeys the Filesystem Hierarchy Standard, which allows Linux users and developers to locate system files in standard directories. Since Linux is a very file-oriented operating system, it is important that you know how to find files. [...]
Chkservice - A Tool to Manage Systemd Units on Linux
Systemd is a system and service manager for Linux operating systems which introduces the concept of systemd units and provides a number of features such as parallel startup of system services at boot time, on-demand activation of daemons, etc. It helps to manage [...]
"kube-prompt" - Commands Auto Complete Shell for Kubernetes
After introducing the kube-shell couple of articles earlier, we now get to another great shell for kubernetes, called kube-prompt. In this article we again use Minikube local cluster for demonstration, but we will this time use KVM instead of VirtualBox. [...]
How to Install RackTables on CentOS 7
RackTables is a data center asset management system. It is a nifty and robust solution for data center/server room asset management and helps document hardware assets, network addresses, space in racks, networks configuration and much much more. This article covers [...]
Supervisor - Monitor your Linux Servers and Processes
Some users need only to control process state and don’t want or need full-blown shell access to the machine on which the processes are running. They often don't need to know processes which listen on “low” TCP ports and often need to [...]
How to Install and Basic SQLite Use on Linux
In this article, We will see how to install SQLite (relational database) with its basic operations. What if I tell you that SQLite is likely used more than all other database engines combined. Yes, You heard it right. It is [...]
How to Create Kubernetes Cluster with Kops
In this article we will use kops to install production grade Kubernetes cluster on Amazon Web Services. For this guide we assume you have AWS account. Also you need kubectl installed, you probably already have it if you followed any [...]
How to Install Light Table on Ubuntu 16.04 and CentOS 7
In this article, we will install Light Table software installation on Ubuntu 16.04 and CentOS 7. Few words regarding the software - it is a code editor that connects you to your creation with instant feedback. In other words, it [...]
How to Schedule Job on Linux using Cron, Anacron and at Commands
Job scheduling is a feature that allows a user to submit a command or program for execution at a specified time in the future. On a Linux server, it is important that certain tasks run at certain times The execution of the [...]