Rahul Sahu In Debian or Ubuntu, you can secure a Lighttpd web server with a Let’s Encrypt TLS/SSL certificate using the certbot tool. Here are the steps you can follow: Start by installing certbot by running the following command: sudo apt-get install certbot -t stretch-backports Next, you will need to stop the Lighttpd service by running the … Read more
It is important to note that, OpenSUSE 15.1 and 15.2 are not the latest releases, and are not supported anymore. Upgrading to a newer version of OpenSUSE is recommended. Also, it’s important to backup your data and to test the upgrade in a non-production environment before upgrading a production system. To upgrade OpenSUSE to a … Read more
Let’s Encrypt is a certificate authority that provides free SSL/TLS certificates. acme.sh is a command-line client for Let’s Encrypt that can be used to automate the process of obtaining and renewing SSL/TLS certificates. To use acme.sh to obtain a wildcard certificate for a domain hosted on Amazon Route 53, you will need to follow these … Read more
OpenSUSE is a Linux distribution that uses the Zypper package manager to manage software packages. Upgrading OpenSUSE 15.1 to 15.2 using the command-line interface (CLI) involves several steps: First, ensure that your system is up-to-date by running the command “sudo zypper update”. Next, check for any unresolved dependencies by running the command “sudo zypper dist-upgrade … Read more
AWS RDS (Relational Database Service) is a fully-managed service that makes it easy to set up, operate, and scale a relational database in the cloud. Here’s how you can create a new MySQL user and grant permissions in AWS RDS: First, connect to the RDS instance using the MySQL command-line client. You can do this … Read more
WireGuard is a modern, secure VPN protocol that can be used to set up a virtual private network (VPN) on Linux. To set up firewall rules for WireGuard, you can use the iptables command. Here’s an example of how you can set up firewall rules for a WireGuard VPN on Linux: First, you will need … Read more
In a FreeBSD server or jail, you can enable the SSH daemon (sshd) by using the service command. Here are the steps you can follow: Start by checking if the sshd service is installed by running the following command: service -e | grep ssh If the sshd service is not installed, you can install it … Read more
When you see the error “upstream sent too big header while reading response header from upstream” in the Nginx error log, it means that the response headers sent by the upstream server are larger than the buffer size allocated by Nginx to store the headers. This error can occur when the upstream server sends a … Read more
OpenSUSE is a Linux distribution that uses the YaST package manager to manage software packages. Here’s how you can install PHP on OpenSUSE 15.2/15.1: First, open the terminal and update the package repository by running the command “sudo zypper refresh” Next, install the PHP package by running the command “sudo zypper install php7” or “sudo … Read more
You can use acme.sh and Cloudflare DNS to issue a Let’s Encrypt wildcard certificate. Here are the steps you can follow: Start by installing acme.sh by running the following command: curl https://get.acme.sh | sh Next, you will need to generate an API key for Cloudflare. This can be done by visiting the “My Profile” page … Read more