Auto start Next.js with supervisor
I want to start Next.js development server on my computer when it starts. Usually, this is done using pm2, I wanted to…
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How to change Next.js port
You can start Next.js development server with the command npm run dev This will start the development server on port 3000. boby@sok-01:/www/learn/nextjs/todo…
Ansible multiple hosts behind NAT port forwarding
I have 2 servers behind NAT, so they share the same IP address, SSH service runs on two different ports. Here is…
How to install PHP 7.4 mcrypt module in Cpanel Server
mcrypt is a PHP module, that was DEPRECATED in PHP 7.1.0, and REMOVED in PHP 7.2.0. mcrypt is removed from PHP, now…
Cron Job fails with Error Message “(getpwnam() failed): No such file or directory”
On a CentOS server, cronjob did not work. Checking the log file found the following error message in /var/log/cron Oct 24 18:35:01…
How to fix InnoDB: ERROR: the age of the last checkpoint
On a MySQL server, the error log keeps getting the following error message 221024 17:50:03 InnoDB: ERROR: the age of the last…
How to block bad bots User-Agents in Cloudflare
Cloudflare provides a way to block bad bots under If you want to block one bots that is allowed, you can block…
How to get list of User-Agent from access log
I wanted to block bots from accessing a website. For this, I need to generate a list of all browser User-Agent visiting…
How to block bad bots User-Agents in Nginx
To block bots by User-Agent in Nginx, add the following to the server entry of the website. Restart Nginx To block acces…
How to reset root password on Hetzner Dedicated Server
If you forget the root password of a Hetzner dedicated server, you need to boot the server into rescue mode, then mount…
Apache Website not loading – DDoS
On a Fresh Cpanel Server, after pointing the domain name to the server, the website won’t load. Some times site loads after…
How to Open Port in Amazon EC2 instance
By default Amazon EC2 only allow port 22 (SSH) on Linux servers and port 3389 (RDP) on Windows Instances. All other ports…