Tags: SysAdmin

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ampersand
Learn how to use ampersands in combination with angle brackets and get more out of the command line.

Ampersands and File Descriptors in Bash

In our quest to examine all the clutter (&, |, ;, >, <, {, [, (, ), ], }, etc.) that is peppered throughout most chained Bash commands, we have been taking a closer look at the ampersand symbol (&). Last time, we saw how you can use & to push processes that may take a long time to...
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How to Use SSH to Proxy Through a Linux Jump Host

Secure Shell (SSH) includes a number of tricks up its sleeve. One particular trick you may not know about is the ability to use a jump host. A jump host is used as an intermediate hop between your source machine and your target destination. In other words, you can access X from Y using a gateway....
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Kubernetes
High demand for Kubernetes skills spells opportunity. Get started on your training and certification journey with the Linux Foundation.

Gain Valuable Kubernetes Skills and Certification with Linux Foundation Training

Quick, what was the the most dominant technology skill requested by IT firms in 2018? According to a study from job board Dice, Kubernetes skills dominated among IT firm requests, and this news followed similar findings released last year from jobs board Indeed. The Dice report, based on its...
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Anjali Arora
Rocket Software's Anjali Arora explains how Zowe is helping bring a new generation of users to the mainframe in this interview with Swapnil Bhartiya.

How Zowe Is Bringing the Mainframe into the Modern Age

The goal of the Zowe project is to create a framework that enables developers to bring their latest tools to work on the mainframe. IBM, Broadcom, and Rocket Software worked together and open sourced their own technologies to achieve this. According to the project website, Zowe provides various...
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The Linux Command-Line Cheat Sheet

When coming up to speed as a Linux user, it helps to have a cheat sheet that can help introduce you to some of the more useful commands. In the tables below, you’ll find sets of commands with simple explanations and usage examples that might help you or Linux users you support become more...
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ampersand.png

ampersand
This tutorial takes a closer look at the ampersand (&) and the various ways it can be used at the command line.

And, Ampersand, and & in Linux

Take a look at the tools covered in the three previous articles, and you will see that understanding the glue that joins them together is as important as recognizing the tools themselves. Indeed, tools tend to be simple, and understanding what mkdir, touch, and find do (make a new directory, update...
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Learn to Use curl Command with Examples

Curl command is used to transfer files to and from a server, it supports a number of protocols like HTTP, HTTPS, FTP, FTPS, IMAP, IMAPS, DICT, FILE, GOPHER, LDAP, LDAPS, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET and TFTP etc. Curl also supports a lot of features like proxy...
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Outlaw Shellbot Infects Linux Servers to Mine for Monero

The Outlaw group is conducting an active campaign which is targeting Linux systems in cryptocurrency mining attacks. On Tuesday, the JASK Special Ops research team disclosed additional details (.PDF) of the attack wave which appears to focus on seizing infrastructure resources to support illicit...
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Linux Fu: Easier File Watching

In an earlier installment of Linux Fu, I mentioned how you can use inotifywait to efficiently watch for file system changes. The comments had a lot of alternative ways to do the same job, which is great. But there was one very easy-to-use tool that didn’t show up, so I wanted to talk about it. That...
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Zipping Files on Linux: The Many Variations and How to Use Them

Some of us have been zipping files on Unix and Linux systems for many decades — to save some disk space and package files together for archiving. Even so, there are some interesting variations on zipping that not all of us have tried. So, in this post, we’re going to look at standard zipping and...
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