How to install MariaDB on Amazon Linux 2

Use the following commands to install MariaDB 10 in Amazon Linux

sudo yum install mariadb105-server.x86_64

sudo systemctl enable mariadb

sudo systemctl start mariadb

sudo systemctl status mariadb

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Install Docker on Windows 11 with WSL Ubuntu 22.04

This is to install Docker within Ubuntu WSL without using the Windows Docker application. Follow the below steps. Install Ubuntu 22.04 WSL 1. Enable Windows Subsystem for Linux and Virtual Machine platform Go to Control Panel -> Programs -> Programs and Features -> Turn Windows features on or off 2. Switch to WSL 2 Open Powershell and type in the below command. wsl --set-default-version 2 If you don't have WSL 2, download the latest WSL 2 package and install it. 3. Install Ubuntu Open Microsoft Store and search for Ubuntu. Select the version you intend to install. I'd use the latest LTS version Ubuntu 22.04. Click on the Get button. It will take a couple of minutes to download and install. 4. Open up the installed Ubuntu version that was installed. If you get an error like the below image, make sure to install the WSL2 Kernel update . If it's an older Ubuntu version the error message would be something like the image below. Error: WSL 2 requires an update to its

How to fix SSLHandshakeException PKIX path building failed in Java

TL ; DR 1. Extract the public certificate of the website/API that you are trying to connect from your Java application. Steps are mentioned in this post 2. Use the Java keytool to install the extracted certificate into the "cacerts" file (Trust store) keytool -import -trustcacerts -alias <domain name> -file <public certificate>.cert -keystore /path_to_java_home/jre/lib/security/cacerts -storepass changeit 3. Restart your Java application Exception A typical exception stack trace would look like below. javax.net.ssl. SSLHandshakeException : sun.security.validator.ValidatorException: PKIX path building failed : sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target at sun.security.ssl.Alerts.getSSLException(Alerts.java:192) at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1959) at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:302) at sun.security.ssl.Handshake

Automatically open Chrome developer tools in a new tab

Sometimes we need to check the console or the network transactions of a link that opens up in a new tab. By default, the Chrome developer tools are not opening in a new tab. So, by the time when we hit F12 and open the dev tools, part of the information we needed could be already gone. There's a setting in dev tools where you can keep the dev tools open automatically in a new tab. To enable that, hit F12 and open up the dev tools. Click on the settings icon in the top right corner. In the Preferences section, scroll down to the bottom. You'll be able to find the option to Auto-open DevTools for popups. Select the checkbox and we're good to go!

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