Speeding-up Yum for CentOS EC2 instances

https://blog.centos.org/2020/02/speeding-up-yum-for-centos-ec2-instances/

Цитат

Tomorrow, I intend to push a change to mirrorlist.centos.org nodes that will have a (good) impact to CentOS EC2 instances running from AWS network.

Thanks to AWS, sponsoring the required backend infra for this to happen, our mirrorlist nodes will redirect yum/dnf operations internally in the EC2/AWS network.

What does that mean for you ?

 

Agenda and Speakers

https://wiki.centos.org/Events/Dojo/Brussels2020

Цитат

We'll be holding our annual CentOS Dojo in Brussels, at the Marriott Grand Place (about 5 minutes walk from Grand Place) on the Friday before FOSDEM - January 31st, 2020. We are looking for a full day of technical content covering all aspects of the CentOS project. Presentation submissions about Fedora and RHEL are also welcome, if there is an overlap with CentOS in some way.

Panel CentOS Stream the “what” and “why"

Цитат

CentOS Stream is a view into what the next version of RHEL will look like, available to a much broader community than just a beta or "preview" release. It is a continuous stream of content with updates several times daily, encompassing the latest and greatest from the RHEL codebase. CentOS Stream was announced in September 2019. Join this panel for a discussion of the project’s goals, status and learn how you can join the effort.

 

Who-T

User-specific XKB configuration - part 1

https://who-t.blogspot.com/2020/02/user-specific-xkb-configuration-part-1.html

https://gitlab.freedesktop.org/xkeyboard-config/xkeyboard-config

https://lists.freedesktop.org/archives/wayland-devel/2020-January/041133.html

 

Цитат

The xkeyboard-config project is the repository for all XKB descriptions, or "keyboard layouts" as the layman would say. But languages are weird and thus xkeyboard-config contains an obscene amount of different layouts. And of course there are additional layouts that are more experimental than common [1].

The fault, as usual, lies with us (the pronoun, not the layout). XKB is weird and its flexible to the point of driving even bananas bananas but due to some historic accidents it's largely non-editable. All XKB files are installed in system folders and we all know the 11th commandment was "thou shalt not edit things in /usr/share". But, luckily, that is all about to change. Or rather: it has changed as of libxkbcommon 0.10.0, released Jan 20 2020.

 

GtkSourceView Branched

https://blogs.gnome.org/chergert/2020/02/07/gtksourceview-branched/

 

Цитат

Long story short is that the 4.6 series will be our long-term (and last) series for GTK 3 applications. I expect this to be maintained for many years. Master will become the beginning of our transition to GTK 4 and the place we land lots of upstream features for Next.0.

 

 

Выпуск сервера приложений NGINX Unit 1.15.0

https://www.opennet.ru/opennews/art.shtml?num=52334

https://mailman.nginx.org/pipermail/unit/2020-February/000193.html

 

 

 

КОМАНДА W LINUX

https://losst.ru/komanda-w-linux

 

НАСТРОЙКА FTP В CENTOS 8

https://losst.ru/nastrojka-ftp-v-centos-8

 

Цитат

FTP (File Transfer Protocol) - это клиент-серверный сетевой протокол, позволяющий пользователям передавать файлы в удаленную сеть и скачивать их из нее. Для систем на базе Linux разработано несколько FTP-серверов с открытым исходным кодом. Наиболее популярные из них - PureFTPd, ProFTPD и vsftpd.

В этой статье мы разберемся как установить FTP CentOS 8 на примере vsftpd. Это стабильный, безопасный и быстрый FTP-сервер. Мы также покажем вам, настройку vsftpd, чтобы ограничить пользователей их домашним каталогом и шифровать все передачи с использованием SSL/TLS.

Содержание статьи:

Установка FTP сервера CentOS

Настройка vsftpd на CentOS

1. Доступ по FTP

2. Включение chroot

3. Пассивные FTP соединения

4. Ограничение входа пользователей

5. Настройка SSL / TLS

6. Открытие портов брандмауэра

7. Создание пользователя FTP

8. Отключение доступа к SSH

Заключение

 

MATE 1.24 Released For Letting GNOME 2 Continuation Live On In 2020

https://www.phoronix.com/scan.php?page=news_item&px=MATE-1.24-Released

Релиз десктоп-окружения MATE 1.24, форка GNOME 2

https://www.opennet.ru/opennews/art.shtml?num=52349

 

При мен все още е версия 1.22, но очаквам скоро и 1.24.

 

Available Repositories for CentOS

https://wiki.centos.org/AdditionalResources/Repositories

При мен:

 

Google Translate in Sheets

https://paulmellors.blogspot.com/2020/02/google-translate-in-sheets.html

 

Xargs Command in Linux

https://linuxize.com/post/linux-xargs-command/

Команда Xargs для начинающих с примерами

http://rus-linux.net/MyLDP/consol/Linux_Xargs_Command.html

 

Докато гледам страхотния снукър реших и аз да поспортувам.   

Във Fedora 32 бях приятно изненадан от адрото 5.6.rc1

и реших да го пробвам и в CentOS.

Xfce - kernel 5.6.rc1:

https://i.imgur.com/MgL3IPt.png

Xfce - kernel 4.18:

https://i.imgur.com/hUJvxbf.png

Mate - kernel 5.6.rc1:

https://i.imgur.com/WPaztOV.png

Mate - kernel 4.18:

https://i.imgur.com/6ECWcHE.png

Настройките:

https://i.imgur.com/uiZmY6r.png

Неочаквано, но победа за новото ядро - 5.6.rc1

 

За сравнение

Fedora - kernel 5.6.rc1:

https://i.imgur.com/Y5u8W1k.png

Fedora - kernel 5.5.rc6:

https://i.imgur.com/9QUgs3C.png

Настройките:

https://i.imgur.com/g93CWZP.png

 

Всички тестове са 30 сек. след рестарт.

Install and Configure Plex Media Server on CentOS 8 / CentOS 7

https://computingforgeeks.com/install-and-configure-plex-media-server-on-centos-linux/

 

 

 

How to Install and Use Curl on CentOS 8

https://linuxize.com/post/how-to-install-and-use-curl-on-centos-8/

Отново отлично представяне на CentOS Stream на тестовете:

https://www.phoronix.com/scan.php?page=article&item=3970x-win10-enterprise&num=9

 

 

 

Вече и в CentOS съм с Xfce 4.14.2:

Надградих MATE до версия 1.24:

https://i.imgur.com/jP9Dcb1.png

Увеличават се разликите м/у CentOS 8.1  и  CentOS Stream:

https://i.imgur.com/9XsFRDc.png

Премахнах MATE. Ще следя развитието на средата във Fedora 32.

Премахнах и хранилището:

https://www.getpagespeed.com/redhat

Стана платено.

Останах само с Xfce:

 

FOSDEM Dojo, post-event survey

https://blog.centos.org/2020/02/fosdem-dojo-post-event-survey/

 

How to Create SFTP User without Shell Access on CentOS/RHEL 8

https://tecadmin.net/create-sftp-user-without-shell-access-on-centos-8/

https://bg.wikipedia.org/wiki/SFTP

 

И пак, и пак:

FreeBSD vs. Linux Scaling Up To 128 Threads With The AMD Ryzen Threadripper 3990X

https://www.phoronix.com/scan.php?page=article&item=3990x-freebsd-bsd&num=5

 

Цитат

At 16 cores, RHEL8-based CentOS was about 17% faster than FreeBSD 12.1 while at 128 threads the lead expanded to 28% based upon the geometric mean or 21% when comparing the GCC9 results on FreeBSD 12.1

 

https://i.imgur.com/knnCV7P.png

Installing and using VirtualBox on CentOS

https://wiki.centos.org/HowTos/Virtualization/VirtualBox

https://www.virtualbox.org

Выпуск VirtualBox 6.1.4

https://www.opennet.ru/opennews/art.shtml?num=52400

 

Try the GNOME Nightly VM images with GNOME Boxes

https://feborg.es/gnome-nightly-vm-images-with-gnome-boxes/

 

sudo dnf install gnome-boxes

 

Извинете.  Грешка. Обърках темата.    

Изграждане на RPM

Set Up an RPM Build Environment under CentOS

https://wiki.centos.org/HowTos/SetupRpmBuildEnvironment

https://wiki.centos.org/PackageManagement/Rpm

http://www.owlriver.com/tips/non-root/

https://github.com/rpm-software-management/mock/wiki

Пак сгреших темата. Явно трябва да увелича диоптрите.  

Ако случайно някой модератор чете тук, моля да изтрие двата сгрешени поста.

КОМАНДА SOURCE В LINUX

https://losst.ru/komanda-source-v-linux

 

Цитат

В этой небольшой статье мы рассмотрели работу с командой source linux. Как видите, это очень простая и в то же время полезная команда, очень сильно облегчающая работу в терминале. Именно с её помощью работают виртуальные окружения Python и многие другие подсистемы.

 

 

 

How to Install TensorFlow on CentOS 8

https://linuxize.com/post/how-to-install-tensorflow-on-centos-8/

https://www.tensorflow.org

Red Hat's SPICE 0.14.3 Remote Display System Now Supports Microsoft Windows

https://www.phoronix.com/scan.php?page=news_item&px=Red-Hat-SPICE-0.14.3-Released

https://gitlab.freedesktop.org/spice/spice/-/releases

 

Цитат

Major Changes in 0.14.3:

Main changes are WebSocket and support for Windows.

• Add support for WebSocket, this will allow to use spice-html5 without proxy
• Support Windows, now Qemu Windows can be build enabling Spice
• Fix some alignment problem
• Converted some documentation to Asciidoc format to make easier to update, updated some
• Minor compatibility fix for PPC64EL and ARMHF
• Minor fixes for big endian machines like MIPS
• Avoid some crashes with some buggy guest drivers, simply ignore the invalid request
• Fix for old OpenSSL versions
• Minor fix for Windows clients and brushes, fixed an issue with Photoshop under Windows 7
• Add ability to query video-codecs
• Small use-after-free fix
• Fix for debugging recording/replaying using QUIC images
• Fix a regression where spice reported no monitors to the client
• Fix DoS in spicevmc if WebDAV used
• Updated and improved test migration script
• Some minor fixes to smartcard support
• Avoid possible disconnection using proxies using a in-flow keepalive mechanism

 

CentOS Community newsletter, March 2020 (#2003)

https://blog.centos.org/2020/03/centos-community-newsletter-march-2020-2003/

В CentOS Stream (8) всичко е спокойно.   

 

УСТАНОВКА NODE.JS НА CENTOS 8

https://losst.ru/ustanovka-node-js-na-centos-8

Цитат

В этой статье мы рассмотрели как установить Node.js на CentOS 8 из официальных репозиториев или с помощью менеджера версий Node.js - NVM. Последний вариант позволяет получить самую свежую версию программы.

на 4.03.2020 г. в 10:20, p4p написа:

В CentOS Stream (8) всичко е спокойно.   

И в Xfce. 

От доста време нямаше движение:

https://i.imgur.com/ssiQI44.png

п.п.

А това е най-новата налична версия, но засега няма да я инсталирам:

https://i.imgur.com/ts4tb6F.png

 

Available Repositories for CentOS

https://wiki.centos.org/AdditionalResources/Repositories

УСТАНОВКА APACHE В CENTOS 8

https://losst.ru/ustanovka-apache-v-centos-8

 

 

How to Set Up Apache Virtual Hosts on CentOS 8

https://linuxize.com/post/how-to-set-up-apache-virtual-hosts-on-centos-8/

 

 

How to Install Apache Kafka on CentOS 8

https://tecadmin.net/install-apache-kafka-centos-8/

Reviewing vulnerabilities in 2019: The annual Red Hat Product Security Risk Report

https://www.redhat.com/en/blog/reviewing-vulnerabilities-2019-annual-red-hat-product-security-risk-report

https://www.redhat.com/cms/managed-files/rh-2019-risk-report-overview-f21332wg-202003-en.pdf

Отчёт об уязвимостях, устранённых в Red Hat Enterprise Linux в 2019 году

https://www.opennet.ru/opennews/art.shtml?num=52538

Цитат

Обновления с устранением 98% критических проблем были выпущены в течение недели, после появления публичной информации об уязвимости. 41% критических проблем были устранены в течение дня.

 

 

HTTPie – Modern command line HTTP client , An alternate for Curl and Wget

https://www.2daygeek.com/httpie-curl-wget-alternative-http-client-linux/

HTTPie - современный HTTP-клиент командной строки, альтернатива Curl и Wget

http://rus-linux.net/MyLDP/internet/httpie.html

sudo dnf install httpie

 

"rpminfo" php extension

https://blog.remirepo.net/post/2020/03/13/rpminfo-php-extension

How to Install PHP 7.4 on CentOS 8

https://www.tecmint.com/install-php-on-centos-8/

 

Install and Configure Syncthing on CentOS 8 / CentOS 7

https://computingforgeeks.com/install-and-configure-syncthing-on-centos-linux/

 

Up:

SELinux

https://wiki.centos.org/HowTos/SELinux

 

Frequently Asked Questions

https://wiki.centos.org/FAQ

 

IrcGroup

https://wiki.centos.org/IrcGroup

How to recover a root password in Red Hat-based Linux systems

https://www.redhat.com/sysadmin/recover-root-passwd

 

Сброс пароля root в системах на базе Red Hat Linux

http://rus-linux.net/MyLDP/admin/How_to_recover_a_root_password.html