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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...
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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...
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"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,...
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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...
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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...
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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...
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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...
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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...
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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...
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How to Install Communication Tool "Ring" on Linux
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...
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How to Add Percona MySQL Monitoring on Cacti
In this article, I am going to show how to use cacti monitoring for MySQL. For test purposes, I will use Ubuntu 16.04 with cacti 0.8.8f and MySQL 5.6 installed. If you don't have anything installed...
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How to Mine Ethereum on Debian 8 / Ubuntu 16.04
As of recently, a cryptocurrency craze has swept Internet communities. The people have found out that one does not need a several thousand dollar-worth rig to mine cryptocurrency with a profit. Stores...
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How to Monitor Kubernetes Cluster with Prometheus and Grafana
If you read the previous article about kops and how to make a cluster, this article will be a continuation of it. You will need kubernetes cluster on which you will install Prometheus and Grafana. You...
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How to Install and Use Exiftool on Linux
You may have come across ExifTool while searching for an image recovery software. Well, ExifTool does more than that. It's a open source program for reading, modifying, and manipulating images, videos,...
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SoCLI - A Tool to Search Stack Overflow from Linux Terminal
In this article, I am going to show you how to install Stack Overflow command line interface (SoCLI) on Linux. Stack Overflow is a question and answer website on the topic of computer programming. We...
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How to Block IPs from Countries using Iptables Geoip Addons
We'll learn how we can block traffic originated from specific country IPs using GeoIP database and linux iptables. Iptables is a command based utility program for configuring the linux kernel firewall...
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How to Setup Greylisting Service on Postfix Mail Server
Spam became a noticeable treat for the mail servers many years ago. No servers today could be running without being hardened against the spam: according to some reports up to 75% of all the email...
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NGINX Unit - An Open Source Web Application Server
Nginx announced the release of the first beta of Unit - Nginx Unit, a dynamic web application server, designed to run applications in multiple languages. It is an application server that supports...
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How to Install XMR STAK CPU for Monero Mining on Ubuntu 16.04
In one of our previous articles, we have shown you how to mine Ethereum – one of the most popular cryptocurrencies as of today. Today, we will learn about Monero mining. It's a high priced...
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How to Setup Log Rotation on MongoDB 3.4
In this article, I'm going to tell about MongoDB log rotation. Logs are text files which can include informational, warning or error records while our program runs. We need to perform log rotation as...
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