The grep command is used to search text or scans the given record for lines containing a match to the given strings or words. Use grep to search for lines of text that match one or many regular expressions, and outputs only the matching lines. Using the grep command, we can recursively search all files for a string on a Linux.Syntax of is shown as below-$ grep -r "word"For example, for searching “Linux” word in Downloads directory. The command should be like this~/Downloads$ grep -r "Linux"The sample output should be like this –zookeeper_installation.htm:Any of Linux OS − Supports development and ... Read More

In this article, we will learn about how to install and configure the Nginx Web server. Nginx is the most popular web server where some of the most popular and high traffic sites are hosted where it is more friendly and secured than Apache and it is also used as a web server.PrerequisitesUbuntu 16.04 installed on the machine with a non-root user with sudo permissions on the machine.Installing the Nginx in MachineWe can install the Nginx, which is available on Ubuntu’s default repository so can directly install the Nginx using the apt command.Before we install the Nginx we needed to ... Read More

Fping is a program to send ICMP echo probes to network hosts, it is similar to ping hence, it allows users to check if a remote host is up or down.Using Fping command, we can check multiple hosts at a time. This article describes “How to install Fping command and uses of Fping command”Installing Fping commandTo install Fping command, use the following command –$ sudo apt-get install fpingThe sample output should be like this –Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required:    gtk2-engines-pixbuf libbs2b0 libopusfile0 ... Read More

This article will show you – how to configure the DNS caching or forwarding server in the local environment with the use of DNS. DNS (Domain Name System) are often critical servers to get right, when we are learning things such as configure websites and servers. Most of the people will choose to use the DNS servers which is provided by the hosting company or the domain controllers.Caching DNS ServerThe configuration will cache the DNS server. This type of servers are called as resolvers because it handles recursive queries and can handle the grunts of tracking the DNS data from ... Read More

The predominant project of a Linux approach administrator is to make certain that the system is in an excellent condition. Collectl is used to collect performance information that describes the present process popularity. Unlike most of the other monitoring tools, collectldoes no longer center of attention in a restricted number of process metrics. Instead it can gather information on many different types of system resources such as cpu, disk, memory, network, sockets, tcp, inodes, infiniband, lustre, memory, nfs, processes, quadrics, slabs and buddyinfo. This article explains about how to install collectl.FeaturesIt runs interactively, as a daemon or both.It displays the ... Read More

Clementine is a freely available cross-platform open source, Qt based track player encouraged by using Amarok 1.4. The Newest stable available which is version 1.3 was released after a year of development and springs with Vk.Com and Seafile support along with countless different enhancements and trojan horse fixes. This article explains about how to install Clementine music player.FeaturesIt will search and play local music libraryYou can listen to online Radio from Spotify, Grooveshark, SomaFM, etc.We can play songs from Dropbox, Google Drive, OneDrive, Amazon could, etc.It creates smart playlists and dynamic playlists.It transfers music in iPod, iPhone, android, other mobile ... Read More

Go is a free and open source programming language created by Google in 2007. It supplies convenient to construct simple, nontoxic, and effective programs. This language is designed for writing on servers. This article explains about ‘How to install Go 1.7 on Ubuntu’Installing Go Programming languageTo download Go language binary archive file, use the following command –$ wget https://storage.googleapis.com/golang/go1.7.1.linux-amd64.tar.gzThe sample output should be like this –--2016-12-29 10:49:44-- https://storage.googleapis.com/golang/go1.7.1.linux-amd64.tar.gz Resolving storage.googleapis.com (storage.googleapis.com)... 216.58.197.48, 2404:6800:4007:807::2010 Connecting to storage.googleapis.com (storage.googleapis.com)|216.58.197.48|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 81618401 (78M) [application/x-gzip] Saving to: ‘go1.7.1.linux-amd64.tar.gz’ go1.7.1.linux-amd64 100%[===================>] 77.84M 5.98MB/s in 16s ... Read More

Netstat is a command line utility that can be utilized to list out all the network (socket) connections on a method comparable to network connections, routing tables, interface records, masquerade connections, multicast memberships etc. This article explains about – Top 10 Netstat Command Examples on Linux.Listening and non-listening socketsTo show about listening and non-listening sockets, use the following command –$ netstat -allThe sample output should be like this –Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 localhost:mysql *:* LISTEN tcp 0 0 linux-Inspiron-3:domain *:* LISTEN tcp 0 0 linux-Inspiron-35:46930 ec2-54-236-207-15:https ESTABLISHED ... Read More

Rainbow Stream is a free and open source Twitter-consumer for Linux command-line, released under MIT License. It is competent of showing Rea ltime tweet stream, compose a tweet, search, favorite, etc.It is written in Python and built on high of Twitter API and Python Twitter Tool. To run this application in your console you must have installed python and pip version 2.7.x or 3.x.FeaturesIt is a free and open source twitter-client for Linux command-line.It is capable of rendering twitter image in Terminal.It supports Proxy.It supports interactive mode.Theme customization is implemented.It has the capability of showing real-time twitter stream.You can tweet, ... Read More

Monitorix is a free, open source, lightweight system monitoring tool designed to monitor as many services and system resources as possible. It has been created to be used under the production of Linux/UNIX servers but due to its simplicity and small size it can be used on embedded devices as well. This article explains about “How to install Minitorix on Ubuntu”.Adding the Monitorix RepositoryTo add the Monitorix Repository, open /etc/apt/sources.list file as shown below –$ sudo nano /etc/apt/sources.listThe sample output should be like this –# deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ xenial main restricted # See ... Read More