If you’re using Ubuntu and your Zoom client have only “Whiteboard” on it’s basic sharing options. You need to follow those instructions:
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Zoom screen share black screen – only whiteboard on basic | Ubuntu
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Category Archives: Linux/Unix
how to firewalld
“Firewalld provides a dynamically managed firewall with support for network/firewall zones that define the trust level of network connections or interfaces. It has support for IPv4, IPv6 firewall settings, ethernet bridges and IP sets. There is a separation of runtime and permanent configuration options. It also provides an interface for services or applications to add firewall rules directly.” – firewalld.org
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DevOps/IT Specialist, Musician.
IT Manager – Faculty of Exact Sciences, Bar-Ilan University
Personal Website
Setup Docker CE for CentOS 7
Overview
In this tutorial I will show how to Setup Docker CE for CentOS 7.
The default Docker version that comes with CentOS is very old and only supports docker-compose syntax version 2. To use a higher level of docker-compose syntax we need the latest Docker CE.
This tutorial is the short version of the official Docker CE tutorial.
DevOps/IT Specialist, Musician.
IT Manager – Faculty of Exact Sciences, Bar-Ilan University
Personal Website
Traefik Reverse Proxy for Docker
Traefik is a reverse proxy / load balancer that’s easy, dynamic, automatic, fast, full-featured, open source, production proven, provides metrics, and integrates with every major cluster technology.
Overview
In this tutorial I will share my Traefik docker-compose.yml setup files and how to use them.
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DevOps/IT Specialist, Musician.
IT Manager – Faculty of Exact Sciences, Bar-Ilan University
Personal Website
Setup BIND DNS Server on CentOS 7
This tutorial provides an example how to Setup BIND DNS Server on CentOS 7.
This example is suited for secure private networks behind a gateway.
DevOps/IT Specialist, Musician.
IT Manager – Faculty of Exact Sciences, Bar-Ilan University
Personal Website
Apache Active Directory Authentication
Overview
This tutorial provides an example of Apache Active Directory Authentication using the Authz LDAP module.
Apache and SSL settings are not in the scope of this tutorial.
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DevOps/IT Specialist, Musician.
IT Manager – Faculty of Exact Sciences, Bar-Ilan University
Personal Website
Basic SELinux Security Concepts
Overview
“SELinux is a security enhancement to Linux which allows users and administrators more control over access control.” (selinuxproject.org”
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DevOps/IT Specialist, Musician.
IT Manager – Faculty of Exact Sciences, Bar-Ilan University
Personal Website
FFMPEG CentOS 7 installation instructions
FFMPEG CentOS 7 installation instructions
In the next tutorial I will show you how to install FFMPEG on Centos 7…
Kafka CentOS Installation Instructions
Kafka CentOS Installation Instructions
If you’re here, you’re probably knows what `Kafka` is and what it should be used for.
If not, visit Apache Kafka page to learn more
EPEL CentOS 7 – Add Fedora EPEL repository
EPEL CentOS 7
In the next tutorial I will show you how to add the fedora EPEL repository to your CentOS 7 installation.
CentOS Automatic Updates
CentOS Automatic Updates
CentOS Automatic Updates tutorial.
This tutorial apply to Centos 5.x, 6.x and 7.x.
CentOS 7 VirtualBox Guest Additions Installation
CentOS 7 VirtualBox Guest Additions Installation Tutorial
In the following tutorial, I’ll demonstrate how to install Guest Additions on your VirtualBox hosted CentOS 7 Minimal machine.
Although this tutorial is intended for CentOS 7 minimal, it’s will probably also work on other CentOS releases.