Beam me up and over — test-driving telepresence technology

Beam me up and over — test-driving telepresence technology

Suitable Technologies' Beam telepresence systems elevate remote meetings and interaction with remote staff and customers.

10/31/17

Scary Linux commands for Halloween

Scary Linux commands for Halloween

What Linux commands bring up visions of monsters and ghosts? Let’s look and see!

10/27/17

More ways to examine network connections on Linux

More ways to examine network connections on Linux

How to use the ip, ethtool, traceroute, tcptraceroute, and tcpdump commands to see what's up with your network on Linux systems.

10/19/17

Using the Linux find command with caution

Using the Linux find command with caution

To make sure files aren't removed accidentally when running the Linux find command, use the -ok command. It will ask for permission before removing any files.

10/16/17

Examining network connections on Linux systems

Examining network connections on Linux systems

Linux systems provide a lot of useful commands for reviewing network configuration and connections. Here's a look at a few, including ifquery, ifup, ifdown and ifconfig.

10/09/17

Getting Linux to ignore pings

Getting Linux to ignore pings

Ping commands are useful, but would-be attackers often use them to identify systems. To prevent that, we show you how to get your system to ignore these requests.

09/26/17

Making good use of the files in /proc

Making good use of the files in /proc

The /proc file system provides amazingly detailed views into your processes and your system's guts.

09/25/17

Mastering file searches on Linux

Mastering file searches on Linux

There are many clever ways to hunt down files on Linux systems. Here's a look at the most useful commands and options.

09/21/17

What's behind the Linux umask?

What's behind the Linux umask?

All you need to know about Linux umask — how the settings work and why they're important.

09/15/17

Maneuvering around run levels on Linux

Maneuvering around run levels on Linux

Learn how run levels are configured and how you can change the run level interactively or modify what services are available.

09/05/17

How to use the motd file to get Linux users to pay attention

How to use the motd file to get Linux users to pay attention

Configuring login messages on Linux servers is more complex and dynamic. Let's look at the message of the day setup on an Ubuntu server to decipher how the process works.

08/29/17

Half a dozen clever Linux command line tricks

Half a dozen clever Linux command line tricks

Some very useful Linux commands for making life on the command line more rewarding

08/24/17

How log rotation works with logrotate

How log rotation works with logrotate

Ever wonder how logrotate manages log files so well? Let's dive into some of the details.

08/23/17

All you need to know about Unix environment variables

All you need to know about Unix environment variables

Environment variables on Unix systems — how to understand, modify and appreciate them

08/14/17

How to use GNU's aspell to fix spelling errors in files

How to use GNU's aspell to fix spelling errors in files

The GNU aspell tool is a very clever utility for not only checking your spelling, but also fixing it.

08/07/17

Unix: Dealing with signals

Unix: Dealing with signals

Signals on Unix systems are critical to the way processes live and die. This article looks at how they're generated, how they work, and how processes receive or block them.

07/27/17

True random numbers are here — what that means for data centers

True random numbers are here — what that means for data centers

The Entropy Engine can deliver 350 Mbps of true random numbers—enough to give a data center enough random data to dramatically improve all cryptographic processes.

07/27/17

Where is IoT headed?

Where is IoT headed?

A survey of IEEE engineers reveals some interesting and surprising trends about the Internet of Things.

07/24/17

Unix: How random is random?

Unix: How random is random?

On Unix systems, there are many ways to generate random numbers and many important roles that random data plays.

07/17/17

Unix’s mysterious && and ||

Unix’s mysterious && and ||

The Unix shell's && and || operators have some interesting and not-so-obvious behaviors.

07/05/17

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