Tags: System Administration

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LDAP
Learn how to install and use the LDAP Account Manager (LAM) tool in this tutorial from Jack Wallen.

How to Install LDAP Account Manager on Ubuntu Server 18.04

Welcome back to this three-party journey to getting OpenLDAP up and running so that you can authenticate your Linux desktop machines to the LDAP server. In part one, we installed OpenLDAP on Ubuntu Server 18.04 and added our first LDAP entries to the directory tree via the Command Line Interface (...
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SREs Wish Automation Solved All Their Problems

Although the SRE job role is often defined as being about automation, the reality is that 59 percent of SREs agree there is too much toil (defined as manual, repetitive, tactical work that scales linearly) in their organization. Based on 188 survey responses from people holding SRE job roles,...
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How to Install NTP Server and Client(s) on Ubuntu 18.04 LTS

NTP or Network Time Protocol is a protocol that is used to synchronize all system clocks in a network to use the same time. When we use the term NTP, we are referring to the protocol itself and also the client and server programs running on the networked computers. NTP belongs to the traditional...
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square brackets
This tutorial tackle square brackets and how they are used in different contexts at the command line.

Using Square Brackets in Bash: Part 1

After taking a look at how curly braces ({}) work on the command line, now it’s time to tackle brackets ([]) and see how they are used in different contexts. Globbing The first and easiest use of square brackets is in globbing. You have probably used globbing before without knowing it. Think of all...
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Printing from the Linux Command Line

Printing from the Linux command line is easy. You use the lp command to request a print, and lpq to see what print jobs are in the queue, but things get a little more complicated when you want to print double-sided or use portrait mode. And there are lots of other things you might want to do — such...
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A Linux Sysadmin’s Guide to Network Management, Troubleshooting and Debugging

A system administrator’s routine tasks include configuring, maintaining, troubleshooting, and managing servers and networks within data centers. There are numerous tools and utilities in Linux designed for administrative purposes. In this article, we will review some of the most used command-line...
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mlocate
In this series of articles, we’ll look at the mlocate tool and examine how to quickly and easily tune it to your own specifications.

Finding Files with mlocate

Learn how to locate files in this tutorial from our archives. It’s not uncommon for a sysadmin to have to find needles buried deep inside haystacks. On a busy machine, there can be hundreds of thousands of files present on your filesystems. What do you do when you need to make sure one particular...
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Getting Started with the cat Command

The Linux cat and zcat commands are more useful than you may realize. Cat is a fairly simple tool designed to concatenate and write file(s) to your screen, which is known as standard output (stdout). It is part of the GNU Core Utils released under the GPLv3+ license. You can expect to find it in...
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4 Open-Source Network Management Tools Improve Usability, Performance

Network management tools have come a long way from the early command-line products with arcane, text-based configuration files that kept everyone except the resident (typically Linux) guru in the dark. Today’s management tools, replete with desktop or web-based GUIs, easy installs and configuration...
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5 Trends Transforming Digital and IT Operations Management

Heading into 2019, digitalization will accelerate business model innovation and drive the adoption of these emerging technologies for sustainable competitive advantage. Here’s a closer look at five technology trends that will change the way enterprises approach digital operations management in 2019...
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