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Sysadmin 101: Patch Management

A few articles ago, I started a Sysadmin 101 series to pass down some fundamental knowledge about systems administration that the current generation of junior sysadmins, DevOps engineers or "full stack" developers might not learn otherwise. I had thought that I was done with the series, but then the WannaCry malware came out and exposed some of the poor patch management practices still more>>

Testing the Waters: How to Perform Internal Phishing Campaigns

Phishing is one of the most dangerous threats to modern computing. Phishing attacks have evolved from sloppily written mass email blasts to targeted attacks designed to fool even the most cautious users. No defense is bulletproof, and most experts agree education and common sense are the best tools to combat the problem. more>>

Update Tickets from the Command Line

In the April 2017 issue, I wrote about how to use ticketing systems as a sysadmin to organize your tasks better. more>>

LINBIT's DRBD Top

Many proprietary high-availability (HA) software providers require users to pay extra for system-management capabilities. Bucking this convention and driving down costs is LINBIT, whose DRBD HA software solution, part of the Linux kernel since 2009, powers thousands of digital enterprises. more>>

Tracking Down Blips

In a previous article, I explained the process for setting up Cacti, which is a great program for graphing just about anything. One of the main things I graph is my internet usage. And, it's great information to have, until there is internet activity you can't explain. more>>

Sysadmin 101: Leveling Up

This is the fourth in a series of articles on systems administrator fundamentals. These days, DevOps has made even the job title "systems administrator" seems a bit archaic like the "systems analyst" title it replaced. more>>

Sysadmin 101: Ticketing

This is the third in a series of articles on system administrator fundamentals where I focus on some lessons I've learned through the years that might be obvious to longtime sysadmins, but news to someone just coming into this position. more>>

Sander van Vugt's Linux Foundation Certified Engineer (LFCE) Video Course

The Linux Foundation Certified Engineer (LFCE) certification is for administrators seeking to increase their breadth and depth of knowledge beyond the Linux Foundation Certified System Administrator (LFCS) level. more>>

Non-Linux FOSS: File Spelunking with WinDirStat

With Linux, it's fairy easy to find the large files on your system by doing something like this: du -ahx / | sort -rh | head -20 more>>

TeamViewer Linux Host

At last abandoning WINE and launching native Linux support, TeamViewer announced the availability of a new preview version of its Linux Host with native Linux support. more>>

Sysadmin 101: Automation

This is the second in a series of articles on systems administrator fundamentals. These days, DevOps has made even the job title "systems administrator" seem a bit archaic, much like the "systems analyst" title it replaced. These DevOps positions are rather different from sysadmin jobs in the past. more>>

Managing Docker Instances with Puppet

In a previous article, "Provisioning Docker with Puppet", in the December 2016 issue, I covered one of the ways you can install the Docker service onto a new system with Puppet. By contrast, this article focuses on how to manage Docker images and containers with Puppet. more>>

Applied Expert Systems, Inc.'s CleverView for TCP/IP on Linux

The contemporary data center is typified by an ever-increasing amount of traffic occurring between servers, observes Applied Expert Systems, Inc. (AES), sagely. Fulfilling the logical need to facilitate improved server-to-server communications, AES created CleverView for TCP/IP on Linux, now at v2.7. CleverView provides IT staff access to current and more>>

Sysadmin 101: Alerting

This is the first in a series of articles on system administrator fundamentals. These days, DevOps has made even the job title "system administrator" seem a bit archaic, much like the "systems analyst" title it replaced. more>>

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