knowledge IT
Creating the Certificate Authority's Certificate and Keys Generate a private key for the CA:$ openssl genrsa 2048 > ca-key.pem Generate the X509 certificate for the CA:$ openssl req -new -x509 -nodes -days 365000 \ -key ca-key.pem \ -out ca-cert.pem Creating…
The domain name system (DNS) plays an important role in delivering email. The owner of a domain name (for example: @gmail.com) can specify where mail should be delivered. It can also prove that it has sent an email on behalf of…
Step 1: Installing PostgreSQL on RHEL 9 1. First, disable the built-in PostgreSQL module by running the following dnf command. # dnf -qy module disable postgresql 2. Next, enable the official PostgreSQL Yum Repository as shown. # dnf install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-9-x86_64/pgdg-redhat-repo-latest.noarch.rpm Install PostgreSQL Repository 3. Next, install the PostgreSQL…
Usage: $ turnserver [flags] [-n | -c <config-file>] [ --db=<sqlite-db-file> | --userdb=<sqlite-db-file> | --psql-userdb=<db-conn-string> | --mysql-userdb=<db-conn-string> | --mongo-userdb=<db-conn-string> | --redis-userdb=<db-conn-string> ] [options] $ turnserver -h Flags: -v, --verbose 'Moderate' verbose mode. -V, --Verbose 'Extra' verbose mode, very annoying and not recommended. -o, --daemon Run server process…
Learn how to configure your own stun/turn server using coturn in Ubuntu 18.04 from scratch. On the last days, we needed to implement a WebRTC based videoconference application using PeerJS with Node.js. As mentioned on the official notes of getting started with…
It is recommended to run your own TURN server on a server with a direct Internet connection / public IP. A free and open source TURN server implementation is available at https://github.com/coturn/coturn - all examples below assume that you use coturn. Coturn…
Bài hướng dẫn này có nội dung chủ yếu là tìm cách giải quyết cho lỗi được thông báo bởi dịch vụ Apache có dạng như sau : : No matching DirectoryIndex (index.html) found, and server-generated directory index forbidden by…
If you are running a web server or a VPS, you may encounter the need of sending emails using your PHP application. In the same way, if you are running a WordPress blog or you are using any kind of CMS and you would allow your visitors to send you…
I’ve spent 2-3 hours pulling my hair trying to setup a supposed to be simple PHP/MySQL web application on an Amazon EC2 instance running on CentOS 7. Apache logs keep saying that it can’t write to file due to permission…