Tags: server

HPC Advances with Perlmutter and Sierra Supercomputers

There is a lot of activity and investment in the U.S supercomputer space now. After years of falling behind China for supercomputer superiority, the U.S is now storming back. On Oct. 26, the Department of Energy’s National Nuclear Security Administration (NNSA) Lawrence Livermore National...
Read 0 Comments

Red Hat Enterprise Linux 7.6 Launches with Improved Security

A day after announcing a $34 billion deal with IBM, it's business as usual at Linux vendor Red Hat. Red Hat announced the general availability of its flagship Red Hat Enterprise Linux (RHEL) 7.6 release on Oct. 30, providing organizations with improved security, management and container features. ...
Read 0 Comments

Tracking and Controlling Microservice Dependencies

Dependency cycles will be familiar to you if you have ever locked your keys inside your house or car. You can't open the lock without the key, but you can't get the key without opening the lock. Some cycles are obvious, but more complex dependency cycles can be challenging to find before they lead...
Read 0 Comments

Serverless Testing in Production

The still-maturing ecosystem of serverless means that there is not a range of tools available for specific aspects of application deployment within this infrastructure style. But also, the nature of serverless as an events-driven architecture — where cloud providers or others are responsible for...
Read 0 Comments

clock-650753_1920.jpg

timer
Learn how to create a timer that will start your game server with systemd.

Setting Up a Timer with systemd in Linux

Previously, we saw how to enable and disable systemd services by hand, at boot time and on power down, when a certain device is activated, and when something changes in the filesystem. Timers add yet another way of starting services, based on... well, time. Although similar to cron jobs, systemd...
Read 0 Comments

Setting up LVM Partition on a Linux Server

Think about this situation, you have a Ubuntu server and with your home videos or movies, books and other important files that are worth having a backup. You don’t have enough space on your laptop and also on your server the available space is almost gone. You go to a shop and buy a new HDD to make...
Read 0 Comments

systemd-minetest-2.jpg

minetest
Paul Brown shows how to use systemd to run a server for games, web applications, or other purposes. Image courtesy: Minetest

Systemd Services: Beyond Starting and Stopping

In the previous article, we showed how to create a systemd service that you can run as a regular user to start and stop your game server. As it stands, however, your service is still not much better than running the server directly. Let's jazz it up a bit by having it send out emails to the players...
Read 1 Comments

minetest.png

minetest
Learn how to make simple systemd services to manage your own game server.

Writing Systemd Services for Fun and Profit

Let's say you want to run a games server, a server that runs Minetest, a very cool and open source mining and crafting sandbox game. You want to set it up for your school or friends and have it running on a server in your living room. Because, you know, if that’s good enough for the kernel mailing...
Read 4 Comments

CPU Utilization Is Wrong

Everyone uses %CPU to measure performance, but everyone is wrong, says Netflix's Brendan Gregg in his UpSCALE Lightning Talk. CPU utilization is the metric everyone uses to measure a processor's performance. But %CPU is a misleading measure of how busy your processor really is, says Brendan Gregg,...
Read 0 Comments

Auditing Docker Containers in a DevOps Environment

The handy auditd package can help track down weaknesses in your system before, during, or after an attack. Thanks to the unremitting, ever-present threat of a multitude of attacks to which a Linux system can be subjected, it’s critical to capture important changes and events made by users and...
Read 0 Comments

Pages

Click Here!