Posts by ServerOk

React Application showing 404 error on refresh

On Apache server, React Application works fine, but if you refresh a page, it shows 404 error. This is because the application use BrowserRouter. To fix the error, create a .htaccess file with following content

Put this on the folder where your application index.html is or in Apache Virtual Host entry. See htaccess […]

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Amazon Elastic Container Registry

amazon docker registry (ECR)

Amazon Elastic Container Registry is used to store docker images in Amazon AWS cloud. To create a repository using awscli command line tool, run

In Amazon AWS console, you can see the newly created repository by going to “Elastic Container Registry” page in the region where you created the repository. https://ap-southeast-1.console.aws.amazon.com/ecr/repositories?region=ap-southeast-1 To see the […]

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Build a docker container with Apache

To create a docker container with Apache, create a Dockerfile

Paste following content into the Dockerfile

Now build an image with command

Once image is build, you can see it using docker images command

To start a container with the image, run

See docker build […]

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Restart Apache if failed

This bash script check web site every 5 minutes, restart the web server if web site is not responding. Create a file

Add

In above code, replace https://YOUR_DOMAIN.EXTN/ with your sites actual url. Make it executable

Create a cronjob

Add

See Server Monitoring […]

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CloudPanel – Free Hosting Control Panel Debian 10/Nginx

CloudPanel Hosting Control Panel

CloudPanel is a free hosting control panel, that make deploying web application on cloud easier. It use Nginx web server, support multile PHP versions, comes with nginx configuration for various popular CMS and web applications. https://www.cloudpanel.io/ Install CloudPanel CloudPanel need a server with Debian 10. To install CloudPanel, run

After install you can access […]

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Redirect a site to www using PHP

To redirect a site to url with www using PHP, you can use following PHP code

Add this code in your index.php file or another file included by index.php See Redirect […]

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Repair MySQL database with mysqlcheck

MySQL

To check and repair all databases in a database run

Forcefully optimize all tables, automatically fixing table errors that may come up.

To check all databases

To analyze all tables in all databases:

To repair all tables in all databases:

To optimize all tables in all databases:

See MySQL […]

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Easy Kubernetes setup on Ubuntu with microk8s

kubernetes

To install microk8s, run

Enable rules in firewall

Enable addons

To see status of current addons, run

Here is status for a defaul install

To see all pods/services/deploymens, run

To avoid typing microk8s before kubectl, run

You can add this to .bashrc to make it permanent. To run […]

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