...readonly attribute. Be aware of the differences: disabled fields don’t post to the server don’t get focus are skipped while tab navigation available for button, fieldset, input, select...

...Firefox cancels any JavaScript events at a fieldset[disabled] readonly fields post to the server get focus are included while tab navigation only available for input[type=text], textarea

...esbuild.config.js: external: ['*.ttf'], During the next steps you have to make sure that sprockets serves them correctly and rewrites the paths if necessary. Prepare Sprockets to serve the assets bundled...

...tag and javascript_link_tag to match the new pack names. start the development server with the command bin/dev and check that everything works and looks good. Finish

...chrome queue limited to 1 for e.g. PDF processing to not overload the application server an api queue, that limits a queue to 2 to protect the API server from...

...too many requests in parallel Example: Sidekiq.configure_server do |config| # Edits the default capsule config.queues = %w[critical default low] config.concurrency = 5 # Define a new capsule which processes jobs from the...

DevOps Curriculum

...und -abbau mit allen Paketen beschreiben Du kennst Port-Nummern und Protokolle der häufigsten Services auswendig: SSH, DNS, HTTP, HTTPS, SMTP, POP3, IMAP, MySQL, PostgreSQL, Redis Wie kann ich prüfen...

...makandra.de aufbauen und die Datei robots.txt abrufen (Siehe https://richj.co/talking-http-1.1/) Du weisst, was dieser Server-Header bedeutet: Strict-Transport-Security: max-age=31536000 IPv6 Wie werden MAC Adressen bei...

We had a strange behaviour on one of our mariadb-servers: Everyday at around midnight we saw that the root-account on one of our servers is trying to access...

# journalctl -u mariadb Dec 16 00:00:03 cool-server mariadbd[788]: 2022-12-16 0:00:03 34996 [Warning] Access denied for user 'root'@'localhost' (using password...

...is a single process in play. It runs both your test script and the server responding to the user interactions scripted by your test. A Selenium (Javascript) test has a...

...you spawn by running cucumber. A second thread within the same process runs the server responding to your test. A second process runs the browser that is scripted by the...

nginx.org

...proxy_hide_header in different contexts: Syntax: proxy_hide_header field; Default: — Context: http, server, location Source But if you use it in multiple contexts only the "lowest" occurrences are...

So if you specify it in the server and location context (even if you hide different header) only the proxy_hide_header in the location block are used.

The Oracle mysql client has an odd behavior if your server uses latin1 as default character-set-server. Command mysql --version mysql Ver 8.0.31-0ubuntu0.20.04.2 for Linux on x86...

...character_set_database | utf8mb4 | | character_set_filesystem | binary | | character_set_results | latin1 | | character_set_server | latin1 | | character_set_system | utf8 | +--------------------------+----------------------------------------------+ Explanation The client can't handle the --default-character-set...

makandra dev

This is for people recovering from Subversion. Get an existing from the server for the first time git clone git@example.com:repositoryname See what's changed git status Check in locally...

...git commit -m "good description" Push local commits to the server git push Get and merge updates from the server git pull Stage a file for the next local commit...

Occasionally you need to do something directly on the server -- like having all records recalculate something that cannot be done in a migration because it takes a long time.

...you may have been successful with this on your development machine or the staging server, keep in mind that production machines often hold a lot more records. Using all may...

Du verstehst, welche Aufgaben der Kubernetes API Server übernimmt. Du weißt, wie der API Server in das Management des Cluster States involviert ist. Du weißt, auf welchem Port der...

...API Server per Default hört und welches Protokoll gesprochen wird. Du weißt, dass der API Server ein self signed Certificate verwendet und wie du diesem auf einem anderen System vertrauen...

You might use screen or tmux to run a temporary command on a server which continues to run after the SSH session is closed. Consider systemd-run as alternative. It...

...will turn every command in a systemd service unit: # Run `openssl speed` as unit run-benchmark.service $ sudo systemd-run --unit=run-benchmark openssl speed # Query the current status $ systemctl status run-benchmark.service...

makandra Curriculum

Work with the stash git stash Learn how to work with a server: git clone git push git fetch git pull Learn to use the tool tig

...with SSH. Otherwise, you would have to send your git credentials to the remote server every time you interact with it. Resources Basic tutorial Proper git config Interactive Git Cheatsheet...

puppet.com

The puppet server caches custom functions. If you edit an existing function (e.g. while you’re developing it), you’ll need to restart the puppet server before the new version...

First we export the checks on the nodes we want to monitor: @@nagios_service { “check_unicorns-${::hostname}”: host_name => $::hostname, service_description => ‘Unicorn Status’, check_command => ‘check_unicorn-${::hostname...

...Then we realize the resources on the Nagios server Nagios_service <<| |>> Now it is quite easy to create new monitoring checks with Puppet. With the ease of creating monitoring checks...

wkhtmltopdf/wkhtmltopdf wkhtmltopdf/packaging Please note: We do not compile the package ourselves on the server. Instead, we install the most recent available version of the prebuilt package. Example:

...app server runs on Ubuntu 24.04, and you request version 0.12.6.1-3, we would install the corresponding package for Ubuntu 22.04 (Jammy). Be aware that using a package not compiled...

...BY c.relpages DESC; This requires superuser permissions to install the amcheck extension to the server. If you're a makandra customer, we've already added this extension for you.

...Test All Indexes In All Databases? If you have admin permissions on your database servers, you can use this script to check all databases on your server: #!/usr/bin/env bash

...good thing. It's possible to configure this requirement at the web- or proxy server level, where nginx or apache will just redirect every request on http to https. Some...

...application directly on the VM it's running and usually it's the proxy server or webserver that does handles SSL, the port where the application is running is often...

...maximum number of Passenger workers and Sidekiq worker. If you have a shared database server many possible connections are "expensive", so setting the pool size to a very high number...

...is no good idea (also consider the number of servers you when calculating the total number of possible connections for the shared database server). Blowing up the fail inbox: If...

...a very narrow scope Has no separate build process in development. Instead the Rails server directly compiles the asset whenever it renders a javascript_tag, stylesheet_tag or image_tag...

...example project and resources below: What "packs" are How to use the webpack dev server How to add and remove npm packages with yarn How import and export of relative...

...monitored. We are experts in Linux and AWS environments, as well as self-hosted server infrastructures. Have a look at makandra operations. Trainee program and makandra curriculum In makandra cards...

...that can help both newcomers and experienced developers in web development and DevOps. It serves as practical support for anyone who wants to expand their technical skills or anyone who...

makandra Curriculum

...or JS file to your application (e.g. app/assets/application/navbar.sass), you need to restart your development server for it to show up in your browser. This is caused by a limitation of...

...in your application.js. Direct import statements like import 'app/assets/application/navbar.sass' would work without restarting the server. You'll learn the details of esbuild and the frontend build pipelines in a later...

...specific references (such as selectors or URLs). Note that it's OK for the server to send HTML for your JavaScript to consume. It does not need to be JSON...

You can use fetch() to load a server response into a JavaScript variable, without making a page load. This concept is also known as AJAX. Dual-pane layout

If you are using PDFKit / wkhtmltopdf, you might as well want to use custom fonts in your stylesheets. Usually this...