Microsoft Azure Set rDNS

To set rDNS for an IP, first make it static. Then use Azure CLI

–resource-group serverok

Is the resource group name.

–name ok-vmPublicIP

ok-vmPublicIP is name of my public IP. You can see it in Azure console.

–reverse-fqdn is the reverse DNS i need. I pointed A record for this domain to Azure IP address.

–dns-name ok-vm

ok-vm is name of my VM.

Plesk Nginx fail to start on boot

On a Debian Server with Plesk Control Panel, Nginx did not start on boot.

On checking status, i get

/var/log/nginx/error_log had following error

2018/01/22 18:30:19 [emerg] 700#0: bind() to failed (99: Cannot assign requested address)


Edit nginx.service file

Find line

Add above (on a new line)


Replace with

Reload service file

Here is my modified nginx.service file


Magento 1.9 Nginx Configuration

Here is Nginx + php-fpm config for Magento 1.9 on Ubuntu 16.04/Debian 9.


Keyboard shortcuts for X2Go Client

Install Client

Install x2Go Client in Ubuntu

Install Server

Install x2go server in Debian 9
Install x2go Server in Ubuntu 16.04
Install MATE Desktop in Ubuntu

Install x2go server in Debian 9

Add repo


Add key

Install X2Go server with

Now you need to install one of the Desktop, it is better use XFCE on remote servers.

gpg: failed to start the dirmngr


Amazon Linux Invalid command SSLEngine

On Amazon Linux, when restarting Apache server, i get error

This is because SSL module was not installed on the server. To fix, run

See ssl