The Complete Guide to "useradd" Command in Linux - 15 Practical Examples. We all are aware about the most popular command called ‘useradd‘ or ‘adduser‘ in Linux.
There are times when a Linux System Administrator asked to create user accounts on Linux with some specific properties, limitations or comments. In Linux, a ‘useradd‘ command is a low-level utility that is used for adding/creating user accounts in Linux and other Unix-like operating systems. The ‘adduser‘ is much similar to useradd command, because it is just a symbolic link to it. In some other Linux distributions, useradd command may comes with lightly difference version.
I suggest you to read your documentation, before using our instructions to create new user accounts in Linux. When we run ‘useradd‘ command in Linux terminal, it performs following major things: It edits /etc/passwd, /etc/shadow, /etc/group and /etc/gshadow files for the newly created User account.Creates and populate a home directory for the new user.Sets permissions and ownerships to home directory.
Basic syntax of command is: 1. 2. Command line - Create default home directory for existing user in terminal. Samba In Ubuntu Linux – Adding Samba Users » Liberian Geek. This is the second post of our series about installing, configuring and managing Samba in Ubuntu Linux.
The first post can be found here. Securing Your Linux Server. By Jon Buys - Jun. 10, 2013Comments (3) Mark Kedgley has a succinct overview of recommended steps to take to harden a linux server over at Ezine Articles.
The article is not all inclusive, but it does contain a fairly good summary. However, the steps recommended should not be taken lightly, and not without understanding exactly what the impact of the modifications will be. Mark lists nine steps in his recommend process: Set Up a VNC Linux Server in 5 Easy Steps. Virtual Network Computing (VNC) allows you to log into a full desktop on a remote server (as opposed to just opening windows on your local machine, as with X11 over SSH).
It can be very useful, and it's very fast to set up. Step 1 Tip of the Trade: VNC makes it easy to log into a full desktop on a remote server. Follow these steps, and your Debian Linux server will be up and running in no time. I chose to use vnc4 (there are other options, such as TightVNC), so the first step was the vnc4server Debian/Ubuntu package on my remote server. Vncserver :1 This starts a daemon off, rather than vnc4 running in the foreground.
Linux 101: Easy VNC server setup. I’ve had this request a number of times lately — so I thought it was time to write up an easy how-to on setting up a VNC server on your Linux box.
I recently had to set up five CentOS-based Linux servers for a client. Said client had to have remote access to the machines, and the easiest solution was to set up VNC servers on each machine. Believe it or not, the process is much easier than you might expect. Once you’ve completed the process, you’ll be able to easily access your server with the help of a VNC viewing tool, like vncviewer. Let’s break this down into steps. VNC Remote Desktop on Linux. This article describes how to set up and use remote desktop sessions on Linux using VNC (Virtual Network Computing).
VNC is a remote display system that enables you to start a desktop environment on one machine and access it from other computers through an Internet connection. Set Up VNC on Ubuntu in Four Steps. Ubuntu Remote Desktop: Built-In, VNC Compatible & Dead Easy. Using Ubuntu Remote Desktop you can have total control over your desktop from any other computer: Linux, Mac or Windows. You’ll see what’s on that screen and be able to move the mouse and even type. Best of all, the feature is built into the operating system by default, so you won’t have to install a thing. 25 Hardening Security Tips for Linux Servers. Everybody says that Linux is secure by default and agreed to some extend (It’s debatable topics).
However, Linux has in-built security model in place by default. Need to tune it up and customize as per your need which may help to make more secure system. Remote Administration with Linux. The next best thing to being there is being able to log into your systems remotely. One of the great things about Linux is the variety of tools you can use to remotely administer your Linux desktop and server systems.
From the command line to GUI tools, you can take control of it all right from the comfort of your very own desktop anywhere you happen to be. I'm going to introduce you to three ways you can remotely administer your desktops and servers: Secure Shell (SSH), Remote Desktop Viewer, and TeamViewer. Once you've completed this article, it will be up to you to decide which method best suits your needs and when. Secure Shell. Column: Linux Remote Administration Simplified.
11/30/2005 -- The days of physically needing to sit before the computer or server you are working on are quickly dwindling. Whereas proximity once figured directly into response time, you can now perform most administrative tasks from anywhere. Over a decade ago, dial-in capabilities existed, but they were clunky and tried to lock you into a command line interface that involved more pleading and praying than actually administering.
Remote Linux Admin for Windows Users. Posted April 22, 2008 05:00 PM by Michael Slater Add your comments All the cool kids in the web world these days seem to be using Macs, which have hearts of Unix so are natural complements to Linux-based servers.
Others are running Linux desktops. Poor Sysadmin's Guide to Remote Linux Administration. By Kendall Clark 05/16/2002 The Problem Like many free software geeks, I run a one-person Web hosting shop, a combination business, hobby, and community service.
I've become accustomed to doing complex tasks not only easily, but also as cheaply as possible. Since most of the time my modest Web hosting is more hobby than business, I can't really afford to buy expensive -- or setup and manage -- complex software and hardware monitoring solutions. I also, like many free software geeks, have a perverse, somewhat mysterious need for uptimes to be as long as possible. I suppose for many free software users, uptime mania is something of an occupational hazard. But sometimes things go wrong, whether from being too tired to type the proper command at the proper time, or from the rare application or system bug, or from causes entirely outside of your control.
In this first part, I describe some of the available DMDs, and I explain how to install and configure monit , the DMD I'm using. YaST Remote Administration - openSUSE. Remote Administration with VNC - Rivendell Wiki. From Rivendell Wiki To remotely administer a Rivendell system it is usually necessary and desirable to be able to access the desktop being displayed on the local monitor (i.e. display :0).
While the process for doing this can vary among the Linux distributions, these examples will hopefully point you in the right direction. I will assume that you have already installed the packages that are mentioned below. Debian GNU/Linux 7.0 Code Name "Wheezy" Server Installation Guide. The Debian Project was founded in 1993 by Ian Murdock . Debian Linux is one of the most popular and freely available Operating System developed by Debian Developers around the world.
They are involved with various activities viz. maintaining software repositories, graphic design, legal analysis, software licenses, documentation, web & ftp site administration etc. Debian supports several Desktop Environment like GNOME , KDE Plasma Desktop and Applications , Xfce , and LXDE . Debian is available in 70 languages, and supporting a huge range of computer types. The project team proudly released Debian 7.0 version (code name “ Wheezy “) on 04 May 2013 .
Remote Administration. Often times I find myself in a familiar situation. Either I need to administrate a machine remotely, or I have 6 machines at my desk without enough room for 6 sets of monitor, mouse, and keyboard. SSH Connection Limitations. Limit - Increasing the maximum number of tcp/ip connections in linux. Highly useful Linux commands & configurations. Update, August 2010: A few broken links fixed; thank you, George! Update, September 2008: A few errors corrected; thank you, Umarzuki! Oh, you're gonna love this article! Even though there are many websites hawking similar content, with varying degree of clarity and quality, I want to offer a short, easy-to-use guide to some of the most common yet highly useful commands that could help make your Linux experience more joyful. Now that you have read some of my installation guides, you have probably setup your system and configured the basic settings. However, I'm positive that some of you must have encountered certain difficulties - a missing package, a missing driver.
Therefore, this article was born, in order to offer simple solutions to some of the more widespread problems that one might face during and immediately after a Linux installation. Upgrading Ubuntu via Command Line — LAWR IT. Purpose. Ubuntu 13.04 Linux Server Debuts. Should You Upgrade? Ubuntu 13.04 “Raring Ringtail” Server Installation Guide. Setting Up A Linux File Server Using Samba. Config Windows/Linux File Sharing with Samba.
Preparing Linux Server for use with Windows network. Hi, It's been about seven years since I've worked with Linux - I see a few things have changed! I have a project that involves Linux and Windows; I would appreciate any guidance that can be given. We are going to create a web site that will have its own IP address that is separate from our main network. For security reasons, we've chosen Linux (Ubuntu 6.06 LTS with a LAMP install) as our Web Server. The Linux box has two NICs and, for testing purposes, it's on our main network. Each NIC has a static IP address (eg 192.168.1.5 and 192.168.1.6). Ubuntu 13.04 (nginx, BIND, Dovecot, ISPConfig 3. Version 1.0 Author: Falko Timme <ft [at] falkotimme [dot] com> Follow me on Twitter Last edited 04/29/2013 This tutorial shows how to prepare an Ubuntu 13.04 (Raring Ringtail) server (with nginx, BIND, Dovecot) for the installation of ISPConfig 3, and how to install ISPConfig 3.
ISPConfig 3 is a webhosting control panel that allows you to configure the following services through a web browser: Apache or nginx web server, Postfix mail server, Courier or Dovecot IMAP/POP3 server, MySQL, BIND or MyDNS nameserver, PureFTPd, SpamAssassin, ClamAV, and many more. This setup covers nginx (instead of Apache), BIND (instead of MyDNS), and Dovecot (instead of Courier). If you want to use nginx instead of Apache with ISPConfig, please note that your nginx version must be at least 0.8.21, and you must install PHP-FPM as well.
Please note that you cannot use this tutorial for Debian Squeeze because Squeeze comes with an older nginx version (0.7.67.) and does not have a PHP-FPM package! 1 Requirements. Installation Guide for Ubuntu 12.04. Installing from CD. During the Server Edition installation you have the option of installing additional packages from the CD. The packages are grouped by the type of service they provide. DNS server: Selects the BIND DNS server and its documentation. Comprehensive Server Guide. Server World - Build Network Server. Debian Server Setup for Beginners. HOW-TO: Part 1 - Complete Guide to Debian File Server Install. HOW-TO: Part 2 - Linux File Server Setup. HOW-TO: Part 3 - Linux File Server on Windows Network. Five Reasons Linux Beats Windows for Servers. The Top 10 Linux Server Distributions. Step 1: Linux appliances. Linux Schools - Server OS.
Linux Server Training: Two-Day Hands-On Workshop. Linux Servers. What is Samba? Howto: Adding share in samba server under Linux or UNIX. Samba share permissions simplified. Useful Samba Networking Commands. Lmhosts - The Samba NetBIOS hosts file. SerNet builds complete Samba 4 packages. Samba Documentation. Samba 4: share filesystems between Linux and Windows. Samba/SambaClientGuide. Smb.conf. SMBD Windows Serving Processes. Samba concurrent connections. How do I find the current connections to a Samba server? No more than 10 concurrent connections to a remote computer. [Samba] max smbd processes. The Unofficial Samba HOWTO. Command line - How to restart samba server.