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 Uusiteknogia.fi magazine. →
http://nibblestew.blogspot.fi/2018/02/looking-inside-linux-powered-slot.html?m=1 In Finland the slot machines (around 20 000) are operated by Veikkaus, which is the state run corporation operating all gambling services in Finland. This article takes look on the inside of a slot machine that runs on Linux. →
https://opensource.com/article/18/1/step-step-guide-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. →
https://opensource.com/article/18/1/securing-linux-filesystem-tripwire?sc_cid=7016000000127ECAAY Linux integrity checker notifies you if malware or other events make changes to your filesystem. Tripwire works on almost all Linux distributions; you can download an open source version from Sourceforge and install it. →
https://www.cyberciti.biz/tips/debugging-shell-script.html 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. →
https://www.cyberciti.biz/tips/linux-unix-bsd-openssh-server-best-practices.html 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 https://www.cyberciti.biz/faq/how-to-disable-ssh-password-login-on-linux/ →
https://www.twistlock.com/2017/12/27/escaping-docker-container-using-waitid-cve-2017-5123/ 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 →
https://opensource.com/article/17/8/linux-grafana?sc_cid=70160000001273HAAQ 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. →
https://opensource.com/article/17/12/top-5-sysadmin-articles-2017?sc_cid=7016000000127ECAAY Take a look at Opensource.com’s top 5 articles for system administrators from the past year. →
https://www.gnu.org/fun/jokes/users-lightbulb.en.html It starts with 1 to post a thread in a mailing list telling the bulb has burnt… →