Postage-Stamp Linux Board

EEJournal reports that Microchip’s new SAMA5D27 is almost a postage stamp that runs Linux. It is a fully realized microcontroller module that measures about 40mm on a side. It costs about $39 in small quantities. I wrote about this board in Finnish to magazine.

A step-by-step guide to Git | If you’ve never used Git, you may be nervous about it. There’s nothing to worry about—just follow along with this step-by-step getting-started guide, and you will soon have a new Git repository hosted on GitHub.

How To Debug a Bash Shell Script Under Linux or UNIX Shell scripting debugging can be a tedious job (read as not easy). There are various ways to debug a shell script. Read this article see how to debug a bash script running on Linux and Unix using various methods.

OpenSSH Server Best Security Practices This page shows how to secure your OpenSSH server running on a Linux or Unix-like system to improve sshd security. Read also how to only allow ssh login using SSH keys

Escape Docker Container Using waitid() | CVE-2017-5123 | Twistlock In 2017 alone, 434 linux kernel exploits where found, and as you have seen in this post, kernel exploits can be devastating for containerized environments. This is because containers share the same kernel as the host, thus trusting the built-in protection mechanisms alone isn’t sufficient. Make sure your kernel is always updated on all

Monitor Linux with Grafana |  This is a basic walkthrough for how to set things up to monitor Linux system and networking. This is a basic install that incorporates collectd, InfluxDB, and Grafana on the same host.

Best of Sysadmin   Take a look at’s top 5 articles for system administrators from the past year.