Author Archive: Mihajlo Milenovic

Miki is a long time GNU/Linux user, Free Software advocate and a freelance system administrator from Serbia. Got introduced to GNU/Linux in year 2003 on old AMD Duron computer, and since than always eager to learn new stuff about this system. From 2016 writes for Linoxide to share his experiences with wider audience

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How to Setup CouchDB Replication on Ubuntu 16

In today article we will set up CouchDB replication on Ubuntu 16.10. CouchDB is NoSQL database much similar to cassandra we wrote about earlier. Rather than Cassandra's Java, CouchDB is written Erlang and it is Apache Software Foundation project since 2008. This database is document oriented, not unlike MongoDB. For this tutorial, you need two nodes running Ubuntu […]

November 4, 2016 | By
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How to Setup lsyncd for Synchronize Directories to Remote Computers

If you want some directory of yours actively backed after every change, they are a lot of sync options to choose from. Software like csync, rsync, csync2, lsyncd and many others will all do the job, but in this article we will only review one of them. We will introduce features of lsyncd, a synchronization […]

November 3, 2016 | By in LINUX HOWTO
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How to Setup Percona Cluster with HAproxy Loadbalancer on CentOS 7

We earlier shown how to setup MariaDB Galera cluster with HAproxy, and today we will do the similar setup with Percona's distribution of MySQL. Percona is the company that has deep expertise with MySQL and MongoDB, and they make their own distributions of those databases as well as storage engines for both databases. Today we will […]

November 1, 2016 | By in LINUX HOWTO
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How to Setup MariaDB Galera Cluster with HAproxy on CentOS 7

In todays article we will install MariaDB Galera cluster with HAproxy for load balanced MariaDB and wordpress. Galera is active-active clustering technology, meaning that it can support writes on all nodes which are then replicated across cluster. There is also active-passive clustering, where only node is writable. We will also install HAproxy for load balancing […]

October 28, 2016 | By
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An UFW Firewall Guide to Enable, Deny, Allow, Delete Rules on Ubuntu

Firewall is important security component of every operating system.  Linux kernel has great packet filtering and port filtering framework which is called Netfilter. To have a complete firewall, the userspace command line frontends have been created. Most well known framework for managing Netfilter framework is iptables. However, some users find it too hard to master which […]

October 27, 2016 | By in UBUNTU HOWTO
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How to Install and Manage Snap Packages on Ubuntu 16.10

Advanced packaging tool, known for acronym apt, have been used in Debian and derivatives for nearly two decades. Similarly on Red Hat based systems, the RPM is used for even longer. To fix shortcomings with this packaging system, AppImage, FlatPak and Snap have been created by various groups and companies.  Those packaging systems don't conflict with apt, nor rpm, […]

October 25, 2016 | By
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Best Tools to Make Animated GIF in Linux Systems

Animated GIF images have become an art of its own, with funny scenes and memes flooding the internet. Animated GIFs are also useful to us geeks, for example for showing interactive terminal output. When there is not enough content to warrant entire video but you still need moving picture, animated GIF is what you need. […]

October 21, 2016 | By
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How to Setup Ports Collection on FreeBSD 11.0

FreeBSD operating system can use binary packages with pkg utility,  but for for some ocassion, like running newest versions of the code, you would want to compile some programs.  For that, there is very useful ports collection that simplifies compilation process. In this article we will install and use ports collection to update the Freebsd […]

October 18, 2016 | By
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8 Things to do after Installing FreeBSD 11 Unix System

After you read our article about FreeBSD 11 install process, you probably want to know a set of commands that you can run to get good FreeBSD usability right after install. FreeBSD UNIX is straight forward to setup and install if you have good up to date guides. So that is what we will make here […]

October 17, 2016 | By
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How To Use Wire a Secure Opensource Chat App in Linux Systems

If you are like me, using Skype on Linux for communication with family, friends, colleagues... you must have got tired of same old never updated Skype client. Windows version of Skype gets all the new features while Microsoft predictably left Linux version of the app without any updates and recently made Skype for Linux alpha […]

October 12, 2016 | By
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Mylg - A Command Line Network Monitoring Tool for Linux Systems

In this article we will show how to install and use the network monitoring software called My Looking Glass, or mylg. It is fairly early in mylg development but it already supports lots of great features like for example packet analyzer, web dashboard, port scanning and many more. We will install it on Ubuntu 16.04 […]

October 12, 2016 | By
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How to Install Terminix the Tiling Terminal Emulator in Linux Distros

If you are frequently longing onto multiple servers over SSH and have many terminal windows floating over your desktop, this article might be interesting for you. To do away with window clutter, we  are going to install Terminix, a tiling terminal emulator which is based on GTK+ 3 and can help you have many terminals stacked into […]

October 5, 2016 | By in OPEN SOURCE TOOLS
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How to Setup Kubernetes 1.4 with kubeadm on Ubuntu

If you read our article about running Kubernetes locally, you are probably familiar with Kubernetes and eager to try it on real cluster as opposed to running it on one node with Minikube. Well, since then Kubernetes 1.4 came out, and it makes it very easy to setup clusters of arbitrary size using new kubeadm […]

October 2, 2016 | By in CONTAINERS,TRENDING
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How to Setup Etcher USB and SD Card Image Writer for Linux

There are plenty of tools for writing to USB drives on Linux, but most are specialized to writing bootable USB images of one distro. For example, Fedora has its own tool which makes Fedora Live USB, and other distros also have the same. If you try to write something else, it might or might not […]

September 29, 2016 | By in OPEN SOURCE TOOLS
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