Proxmox take snapshot of Virtual Machine

To take snapshot of virtual machine in proxmox, click on Virtual Machine, under Snapshots, clikc “Take Snapshot” button. To create

host

Find Reverse-DNS/PTR using dig, nslookup, host

Find Reverse-DNS/PTR using dig, nslookup, host

Reverse-DNS/PTR is used by mail servers. It is used to map an IP address to FQDN or hostname. To find

Percona Monitoring and Management

Percona Monitoring and Management is an Open Source monitoring software for MySQL, PostgreSQL and MongoDB. https://www.percona.com/software/database-tools/percona-monitoring-and-management It is based on

Enable FTP for EasyEngine Website

To Enable FTP for EasyEngine web sites, we need to install pure-ftpd. On Ubuntu/Debian, run apt install -y pure-ftpd Enable

Uninstalling Software in Debian Server

To uninstall a software on Debian server, run apt remove PKG_NAME Example To all installed software with specific name, run

EasyEngine Create Site

To create HTML web site ee site create example.com –html To create PHP web site ee site create example.com –php

Disable SELinux on CentOS/RHEL

To disable SELinux Method 1 sed -i ‘s/SELINUX=enforcing/SELINUX=disabled/’ /etc/selinux/config setenforce 0 Method 2 edit file vi /etc/selinux/config Find SELINUX=enforcing Replace

Install AnyDesk on Ubuntu

To install AnyDesk on Ubuntu, run following commands as user root (sudo su). wget -qO – https://keys.anydesk.com/repos/DEB-GPG-KEY | apt-key add

Employee Monitoring Software

Veyon It is Open Source software. Source code available from github. It is written in C++. It is creted for

Country Blocking with nginx GeoIP on Ubuntu/Debian

On Ubuntu/Debian, install nginx geoip module with apt install geoip-database libgeoip1 libnginx-mod-http-geoip -y Now edit nginx.conf vi /etc/nginx/nginx.conf Find http

check if ffmpeg support H264

To check if ffmpeg installed on your computer support h264, run ffmpeg -formats | grep h264 See ffmpeg