Are you working as Linux admin? Do you create/delete users in Linux Command line? If yes, then this article is for you guys! After reading the below content, you will be able to manipulate users and group permissions in Linux system.In the below example sai is the username.usermodThe usermod command modifies the approach account records to reflect the alterations which can be targeted on the command line.To get more information about usermod, use the following command –$ usermod --helpThe sample output should be like this –-c, --comment        COMMENT new value of the GECOS field -d, --home HOME_DIR ... Read More

Every Linux distribution comes with some logging systems to record system activities. This might be helpful during system troubleshooting. Rsyslog is an open source and is rocket-fast in terms of speed for system log process. It is available for several major Linux distributions including Debian and Red Hat based systems. Compared to SYSLOG protocol, It has several additional features such as content-based filtering of TCP for transporting and provides tons of configuration options. This article describes how to setup Rsyslog Remote Logging in simple steps.InstallationIf Rsyslog is not installed on your linux system, install using the following command −$ sudo ... Read More

Dpkg is a device to install, build, dispose of and manage Debian programs and is managed utterly through command line parameters, which consists of precisely one action and zero or extra options. The action parameter tells to dpkg, what to do and options to manipulate the conduct of the action is some way. This article explains about -“Mastering Package Management system with Dpkg”.To get the options of dpkg, use the following command –$ dpkg --helpThe sample output should be like this –Commands: -i|--install           ... | -R|--recursive ... --unpack           ... Read More

systemd is a framework and service manager for Linux operating system. At a point when keep running as the first process on boot (as PID 1), it goes about as init system. that raises and keeps up userspace services.This article explains -“Learn modern service management system (Systemd) on Linux”To get more information about systemd, use the following command as shown below –$ systemd -hThe sample output should be like this –Starts up and maintains the system or user services. -h --help                                     ... Read More

VMware Workstation Player is a streamlined desktop virtualization application that runs one or more operating systems on the same computer without rebooting. Using VMware, we can easily interact and exchange data between applications running on the virtual machine and the desktop. It supports hundreds of guest operating systems weather it may be new or old. This article describes “how to install VMware Player on Ubuntu”.Installing VMwareTo install VMware, Linux essential headers is required. For this, use the following command to install Linux essentials headers –# sudo apt-get install build-essential linux-headers-`uname -r`The sample output should be like this –Reading package lists... ... Read More

Adobe Flash Player is a browser plug for web utilities that can provide regular and engaging consumer experiences, attractive audio/video playback, and interesting gameplay. It is one of the most important plugins to run SWF records – an Adobe Flash file layout for exhibiting “animated” vector graphics on the internet. This article explains about – How to install Adobe Flash Player on Ubuntu.PrerequisitesA machine installed with Ubuntu.A user with root privileges or root user.Pre-installed ubuntu-restricted-extras package.Installing Adobe Flash PlayerAdobe Flash Player requires ubuntu-restricted-extras package. This package contains essential software which is not already included with Ubuntu due to legal or ... Read More

SMPlayer is a free media player for windows and Linux with built-in codecs, which will additionally play YouTube videos, search and down load subtitles, and entails other points like a thumbnail generator and audio and video filters.FeaturesHelp for Youtube. That you can search, play and down-load Youtube moviesMany video and audio filters are availableThumbnail generatorVideo equaliserIt has many Skins/ThemesIt supports a couple of speed playbackIt supports audio and subtitles delay adjustmentInstalling SMPlayerTo install SMPlayer, add the following PPA on Ubuntu−$sudo add-apt-repository ppa:rvm/smplayerThe sample output should be like this − Packages for SMPlayer. To install SMPlayer from this PPA, run these ... Read More

Dstats is a versatile resource statistic tool. This instrument combines the capability of iostat, vmstat, netstat, and ifstat. Dstats permits us to watch the server assets in real-time. While you need to collect this know-how in actual-time, Dstat will adjust /suit your requirements. This article explains about how to use Dstat tool to Monitor Linux Server Performance.FeaturesIt combines vmstat, iostat, ifstat, netstat know-how and extraIt shows stats in exactly the equal timeframeIt has the capability to enable/order counters as they make most sense for the period of evaluation/troubleshootingIt is a modular designThis is python program so comfortably extendable for the ... Read More

Lynis is a security audit tool for Unix and Linux based systems. It assists auditor in scanning the system and its security defenses helps in improving system hardening. This software will determine system information which is specific to OS type, installed packages, system and network configuration. Additionally, it will check the system for configuration errors and security issues. This article explains about how to install lynis on Ubuntu.FeaturesIt is an open sourceIt supported shell scriptNo dependenciesEasy to understandDynamic OS detectionIt supported 300+ built-in testsIt supports for custom testsPlugin supportIt supports compliance checksExtensive software supportInstalling of LynisLynis doesn’t required any installation, ... Read More

This article will guide you to understand the Zombie process and Daemons, and also help us to find the process which is running in the background.What is Zombie Process?When a process ends the execution, then it will have an exit status to report to its master process. Because of that little bit of information, the process will remain in the OS process table as a zombie process, which indicates that it is not to be scheduled for future, but this process cannot be completely removed or the process ID will not be used until the exit has been determined and ... Read More