Angry IP Scanner is an open-source and cross-platform network scanner. It is very faster and simple to use platform which scans IP addresses and ports. TCP/IP(Angry IP) network scanner allows users to easily scan IP addresses within any range of your choice via a user-friendly interface. Once Angry IP Scanner detects an active IP address, then it resolves MAC address, hostname, and port/s. The gathered data information can be saved as TXT, CSV, XML or IP-Port list files. This article describes” How to install and use IP scanner in Linux”Installing Angry IP ScannerTo install Angry IP Scanner in Ubuntu/Linux Mint, ... Read More

This article will teach you on, how to schedule a corn job for executing a script or command or shell script at a particular time every day. As a system administrator, we know the importance of running the routine maintenance jobs in the background automatically. The Linux corn utility will help us to maintain these jobs to run in the background.General Syntax of a Cron JobMIN HOUR Day of month Month Day of Week Command 0-59 0-23 1-31 1-12 0-6 Any Linux command or scriptTo see a list of cron jobs which exists on the machine, run the below command ... Read More

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

WordPress is a free and open source website and blogging tool and it is the most popular CMS (content management system) on the internet. It allows you to easily set up flexible blogs and websites on top of a MySQL backend with PHP processing. This article describes “How to install WordPress on Linux with bash script”. Bash script automatically downloads and installs the latest version of WordPress in any place of your choice.Installing LAMPTo install and run WordPress on your system, pre-installation on your web server is required.Use the following command to install LAMP web server.$ sudo apt-get install lamp-server^The ... Read More

In this article, we will learn how to install and configure R on Ubuntu 16.01. “R” is an open-source programming language which can be specially used for statistical computing and performing analytical data. Where “R” has the community well know for the packages generated by the users in a specific area of study. We will install the “R” package using the CRAN (Comprehensive “R” Archive Network).PrerequisitesWe need a Linux machine install with Ubuntu 16.04 server with a minimum of 1 GB of RAM.A non-root user with Sudo permissions on the machine.Adding the CRAN repository to the Machine and Install R ... Read More

In this article we will learn and configure NFS (Network File System) which is basically used to share the files and folders between Linux systems. This was developed by Sun Microsystems in 1980 which allows us to mount the file system in the network and remote users can interact and the share just like local file and folders.Features of NFSNFS can be configured as a centralized storage solution.No need of running the same OS on both machines.Can be secured with Firewalls.It can be shared along with all the flavors of *nix.The NFS share folder can be mounted as a local ... Read More

The Pleasant Interactive Shell which is called and abbreviated as FISH is a shell for UNIX and UNIX-like operating systems. It is a unique and innovative command line environment with a number of priceless improvements. Fish is designed to work with any other shell like bash or ZSH. Unlike different shells which disables more than a few elements with the aid of default to save process resource, FISH maintains all of them enabled by means of default in an effort to make most out of it.FeaturesIt is a User-friendly and interactive shellIt has so many powerful featuresInbuilt Web-based configurationIt supported ... Read More

Sometimes, it becomes important to find which files or directories are ingesting up, all of your disk area on a Linux. Similarly, we should be able to discover a particular directory location on file system such as /tmp/ or /var/ or /domestic/. This article will help you to use Unix and Linux commands for finding the most important or biggest files or directories on the file systems.Although, there is no shortcut command which is available to discover the largest documents/directories on a Linux/UNIX/BSD file system but there is a possibility which we will be showcasing you about.By aggregating the following ... 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