server Articles - Page 4 of 7

SMTP and POP3 are message protocols which are required for sending and receiving the messages between the mail servers. In this article, we are going to compare and contrast the various features of SMTP and POP3 based on the tasks for which these two protocols have been designed. What is SMTP? The Simple Mail Transfer Protocol (SMTP) is an Internet communication protocol for sending and receiving electronic mail. SMTP is used to transmit and receive mail messages by mail servers and other message transfer agents. User-level email clients usually utilize SMTP exclusively to transmit messages to a mail server for ... Read More

Do you wish to access your personal documents remotely, or music / videos, photos stored on your personnel computer, or on your mobile phone while you are travelling or when you are in office? The simplest solution is to copy all your data from the source to a portable hard drive and then carry it around. However, this is a cumbersome approach as you would require syncing manually the home computer with your portable disk.There are many other innovative ways these days. In this article, let us explore to see some technologies, tools to make this job easier whenever & ... Read More

This article will help to know how to configure an NTP (Network Time Protocol) server and client on RHEL/Cent OS Linux to manage the system clock with to help of an NTP server.NTP (Network Time Protocol)NPT is used to synchronize a computer’s machine’s time with another time source. In RHEL / CentOS Linux we can use NTP or OpenNTPD server, which provides client and server software for time synchronization.Installing NTP SoftwareThe NTP package have utilities and daemons that will synchronize the machine time to Coordinated Universal Time (UTC) via the NTP protocol. The NTP package has ntpdate (Which updates the ... Read More

In this article, we will learn about how to fix the Dirty Cow Linux Vulnerability. The Dirty Cow Linux Vulnerability was escalated on Oct 19 2016 as it is a privilege escalation vulnerability in the Linux OS on kernel level which was disclosed with the name as Dirty COW as it will create a condition that kernel handles COW (Copy-on-Write), which exists for a long time since 2007 from kernel version 2.6.22 as most of the servers are at risk.Dirty Cow means that a regular or an unprivileged user on the server will gain write access to all the files ... Read More

Parse server is an open source and is like mobile back-end. It is owned by Facebook since 2013. This server may be deployed to any infrastructure that may run Node.Js and MongoDB. This article explains about – How To Install Parse Server on Ubuntu.Prerequisitespython-software-properties packageNode.jsMongoDBTo add python-software-properties package, use the following command-$ sudo apt-get install build-essential git python-software-propertiesThe sample output should be like this –Reading package lists... Done Building dependency tree Reading state information... Done build-essential is already the newest version (12.1ubuntu2). build-essential set to manually installed. The following packages were automatically installed and are no longer required:    linux-headers-4.4.0-31 ... Read More

LAMP stack is a bunch of open source software that uses Linux as an operating system. LAMP is an abbreviation for Linux, Apache, MySQL and PHP. It is used to setup web development environment. Here, we will learn about – How you can install LAMP stack using tasksel on Ubuntu. For this article, we expect that you have a just right figuring out of Linux working method and its terminal. Installation of LAMP requires root privileges on the host machine.Installing ProcessTo install Tasksel, use the following command –$ sudo apt-get install taskselThe sample output should be like this –Reading package ... Read More

Cacti is a Network monitoring device that creates personalized graphs of server efficiency. It is accessed and managed via an online entrance-finish. This article explains on – How to install and set up cacti on Ubuntu.PrerequisitesLAMPSNMP, SNMPD and RRDtoolsTo install LAMP, add the following repository as shown below –$ sudo add-apt-repository 'deb http://archive.ubuntu.com/ubuntu trusty universe'To update the packages, using the following command –$ sudo apt-get updateTo install LAMP, use the following command –$ sudo apt-get install apache2 mysql-server-5.6 php libapache2-mod-phpThe sample output should be like this –Reading package lists... Done Building dependency tree Reading state information... Done libapache2-mod-php is already ... Read More

In this article, we will learn – How we can install Webmin on Ubuntu 16.04. Webmin is a web-based control panel with dashboards for any Linux server machines, which allows you to control your server with a simple interface, where we can change the settings of common application packages with simple clicks. Webmin can also be used to add new users accounts and update the packages on the server from the Webmin dashboard itself.Pre-requisitesUbuntu 16.04 machine with a non-root user with Sudo permissions.Apache, PHP, and MySQL Installed on the Ubuntu 16.04 machine.Installing Webmin on Ubuntu 16.04Assuming that we have all ... Read More

In this article, we will learn how to setup and Configure Ghost on Ubuntu 16.04. Ghost os a light-weight and open-source blogging programs which can be used easily and can be customizable, also have many more themes to use.Pre-RequisitesIn this setup, we need the following –Ubuntu 16.04 installed server machine.A non-root user with Sudo permissions on the machine.Nginx web server installed on the server.Ghost Installation on Ubuntu 16.04We will install the ghost using the Ghosts official repository which is hosted on GitHub.First, we will get the latest version of the Ghost using the bellow command.$ wget https://ghost.org/zip/ghost-latest.zip Output:    --2017-05-18 ... Read More

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