In this article you will learn how to install TURN Server on Ubuntu 20.04 LTC for WebRTC, configure Coturn with Long Term Credential Mechanism, configure IPTables firewall, check TURN server. The TURN server implements the STUN protocol also. Coturn is… Continue Reading
In this tmux tutorial you will learn basic tmux usage and list of of essential commands. tmux is an open-source terminal multiplexer (Terminal MUltipleXer) for Unix-like operating systems. It allows multiple terminal sessions to be accessed simultaneously in a single… Continue Reading
In this article you will learn How To Cleanup Boot Partition Ubuntu Linux. Linux boot partition can be filled with old unused kernels. In first step we need find out current Linux kernel version and unused kernels. After it remove… Continue Reading
I this article I will show how to easy fix ImageMagick error: convert-im6.q16: unable to open image During converting from PDF to JPG with ImageMagick in Ubuntu Linux you can have conversion error: convert-im6.q16: unable to open image In.pdf’: No… Continue Reading
In this article you we learn How to Convert PDF to JPG in Linux using command line with example. ImageMagick Suite We will use the ImageMagick package. The convert program is a member of the ImageMagick suite of tools. Use… Continue Reading
In this article I will show how to Install Zoom on Linux – Ubuntu (Debian) and RedHat (CentOS, Fedora) Install Zoom on RedHat (CentOS/Fedora) Steep 1. Download Zoom Client First we need download Zoom for Linux from Download Center. Open… Continue Reading
In this article I will show example of cron job for Linux to delete files older than 10 days. How to Edit Crontab file To edit or create new crontab file, type the following command: $ crontab -e Cron Job… Continue Reading
In this article i will show how to fix error in VestaCP: An error occurred!SMTP Error (550): Failed to set sender “xxx.zzz” (Access denied – Invalid HELO name (See RFC2821 4.1.3)). The problem happens when you try to send email… Continue Reading
To fix Ubuntu 16.04 error: GPG error: http://ppa.launchpad.net/ondrej/php/ubuntu xenial InRelease: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 4F4EA0AAE5267A6C run: # apt-key adv –keyserver keyserver.ubuntu.com –recv-keys 4F4EA0AAE5267A6C Sample output: If you like… Continue Reading
In this article you will learn how to install FreeSWITCH G729 Free Codec on FusionPBX. Download free G729 Codec Go to FreeSWITCH modules directory: # cd /usr/lib/freeswitch/mod Download mod_bcg729.so file from http://repo.sip247.com/debian/ into this directory # wget http://repo.sip247.com/debian/mod_bcg729.so Call FreeSWITCH… Continue Reading