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Post #98 271 Oct 18, 2020, 06:00 UTC

Different Types of Kernel for Arch Linux and How to Use Them

One of the reasons why people use Arch Linux is that it is a bleeding edge rolling release. You get most software and the Linux kernel before users of other distributions.

But this doesn’t mean that you have to always use the latest mainline kernel. There are several kernel options available, and I am going to show you switch kernels in Arch Linux. Читать дальше.

It's FOSS Zen or LTS: Switch Kernels in Arch Linux You can install a hardened kernel or go with the LTS kernel. Here are various kinds of kernels available for Arch Linux and the steps to use them.

Post #97 246 Oct 17, 2020, 11:13 UTC

Top five Vim plugins for sysadmins

My list of the top five Vim plugins—plus a bonus. Читать дальше.

Redhat Top five Vim plugins for sysadmins Last year I wrote the article 5 useful Vim plugins for developers for Opensource.com. This article follows a similar idea but focuses on plugins that make sy...

Post #96 286 Oct 13, 2020, 07:15 UTC

Linux Kernel 5.9 Is Now Available for Download, Here’s What’s New

Linus Torvalds announced today the release and general availability of the Linux kernel 5.9, a major version that introduces various new features and improvements, along with new and updated drivers. Читать дальше.

9to5Linux Linux Kernel 5.9 Is Now Available for Download, Here's What's New - 9to5Linux Linux kernel 5.9 has been officially released and it's now available for download. This release includes various improvements and new features.

Post #95 228 Oct 12, 2020, 06:27 UTC

What's new in pg_auto_failover 1.4 for Postgres high availability

In this post I am excited to announce that a new version of pg_auto_failover has been released, pg_auto_failover 1.4. Читать дальше.

Citusdata What's new in pg_auto_failover 1.4 for Postgres high availability Built for HA & automated failover, pg_auto_failover is an open source extension to Postgres. This post covers the concepts of fault tolerance and graceful degradation, as well as pg_auto_failover 1.4 support for multiple standbys and the replication settings…

Post #94 1.43K Oct 10, 2020, 10:45 UTC

Introduction to Kraken, a Chaos Tool for OpenShift/Kubernetes

We developed a chaos tool named Kraken with the aim of “breaking things on purpose” and identifying future issues. Kraken enables the user to effortlessly inject chaos in a Kubernetes/OpenShift cluster. Читать дальше.

Redhat Introduction to Kraken, a Chaos Tool for OpenShift/Kubernetes Chaos engineering helps in boosting confidence in a system's resilience by “breaking things on purpose.”

Post #93 238 Oct 9, 2020, 16:06 UTC

sysmon

Graphical system monitor for linux, including information about CPU, GPU, Memory, HDD/SDD and your network connections. Similar to windows task manager. Репозиторий.

GitHub GitHub - MatthiasSchinzel/sysmon: Graphical system monitor for linux, including information about CPU, GPU, Memory, HDD/SDD and… Graphical system monitor for linux, including information about CPU, GPU, Memory, HDD/SDD and your network connections. Similar to windows task manager. - MatthiasSchinzel/sysmon

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Post #92 1.51K Oct 7, 2020, 09:01 UTC

Exploring Podman RESTful API using Python and Bash

Check out Podman's new RESTful API using Python and Bash. Читать дальше.

Enable Sysadmin Exploring Podman RESTful API using Python and Bash Check out Podman's new RESTful API using Python and Bash.

Post #91 254 Oct 7, 2020, 04:22 UTC

Wall command in Linux

wall is a command-line utility that displays a message on the terminals of all logged-in users. The messages can be either typed on the terminal or the contents of a file. wall stands for write all, to send a message only to a specific user use the write command. Читать дальше.

Linuxize wall Command in Linux: Broadcast Messages to Logged-In Users The wall command broadcasts a message to the terminals of all logged-in users in Linux. This guide covers sending messages from arguments, files, and pipes, with group targeting and banner control.

Post #90 247 Oct 5, 2020, 08:00 UTC

Best Practices for Bash Scripts

A 4-minute guide to reliable, performant, and reusable Bash scripts

Post #89 220 Oct 5, 2020, 04:00 UTC

Linux Tip: Higher Performance with ZSWAP

Fake memory is still better than no memory

Medium Linux Tip: Higher Performance with ZSWAP Fake memory is still better than no memory

Post #88 240 Oct 4, 2020, 11:00 UTC

What is Nmap and How to Use it – A Tutorial for the Greatest Scanning Tool of All Time

Nmap is the most famous scanning tool used by penetration testers. In this article, we will look at some core features of Nmap along with a few useful commands. Читать дальше.

Post #87 223 Oct 4, 2020, 08:00 UTC

How to Force cp Command to Overwrite without Confirmation

Статья на tecmint

Tecmint How to Force cp Command to Overwrite without Confirmation In this guide, we will show how to force the cp command to overwrite a copy operation without confirmation in Linux.

Post #86 209 Oct 3, 2020, 15:01 UTC

To mesh or not to mesh

I was told that a Service Mesh such as Linkerd, Consul or Istio, adds a lot of overload in my cluster. Keeping this in mind, a Service Mesh is not suitable to a small deployment. Instead, you should consider a Service Mesh when you client is big enough to deserve it. But, how big a client must be to deserve a Service Mesh? На Медиум!

Medium To mesh or not to mesh Service Mesh

Post #85 204 Oct 3, 2020, 13:10 UTC

Запускаем командную строку Linux на iOS

А вы знали, что можно запустить командную строку Linux на устройстве iOS? Возможно, вы спросите: «Зачем мне пользоваться текстовыми приложениями на iPhone?» Справедливый вопрос. Но если вы читаете Opensource.com, то, вероятно, знаете на него ответ: пользователи Linux хотят иметь возможность работать с ним на любом устройстве и хотят пользоваться собственными настройками. На Хабр!

Post #84 1.47K Oct 2, 2020, 04:00 UTC

Diagrams as Code for Infrastructure as Code

We’re going to create infrastructure diagrams with Python.

Post #83 1.48K Oct 1, 2020, 15:27 UTC

Настройка ядра Linux для GlusterFS

Периодически то тут, то там возникают вопросы о рекомендациях Gluster относительно настройки ядра и есть ли в этом необходимость.

Такая необходимость возникает редко. На большинстве нагрузок ядро работает очень хорошо. Хотя есть и обратная сторона. Исторически ядро Linux охотно потребляет много памяти, если ему предоставить такую возможность, в том числе и для кэширования в качестве основного способа повышения производительности. Читать дальше на Хабре.

Хабр Настройка ядра Linux для GlusterFS Перевод статьи подготовлен в преддверии старта курса «Administrator Linux. Professional». Периодически то тут, то там возникают вопросы о рекомендациях Glust...

Post #82 200 Oct 1, 2020, 12:00 UTC

Implement Health Checks for Kubernetes in Your Application

Making your application more resilient with health checks

Medium Implement Health Checks for Kubernetes in Your Application Making your application more resilient with health checks

Post #81 1.55K Oct 1, 2020, 04:00 UTC

Migrating From NGINX to Envoy Proxy

В этой статье я хотел бы затронуть тему миграции конфигурации NGINX в ENVOY, потому что мой Kubernetes в среде разработки, использует контроллер Nginx Ingress, и я хотел переключиться на Envoy. На Медиум!

Post #80 1.39K Sep 30, 2020, 12:00 UTC

Navigate Your Unix Shell History Like a Boss

Познавательная статейка. Про некоторые трюки не знал.

Post #79 202 Sep 30, 2020, 08:00 UTC

Docker Over SSH

Недавно у меня была задача в одном из моих side-проектов. Мне нужно было перенести докер-контейнер, который я создал на одной машине, на другую машину, к которой я мог получить доступ через SSH. Я не хотел помещать свой контейнер в общедоступный registry или настраивать собственный приватный registry. Читать дальше на Медиуме.

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