telnet

To install telnet on Windows Sever 2012, run Sending Email with telnet

proxmox

Proxmox is a virtualization software that allow you to run KVM virtual machines. Once installed, you will be able to

sublime

sublime shortcuts

bash

Bash shortcuts Enable color prompt Edit .bashrc, add following Logging Linux Commands for all users Bash if statement Bash Script

Pterodactyl

Create CS:GO Server in Pterodactyl Pterodactyl File Manager increase 250 file limit Game Server Control Panel Pterodactyl is an Open

Create CS:GO Server in Pterodactyl

Go to Admin > Servers Click “Create New” button. On next screen Most of the settings are self explanatory, here

Transnational Email Providers

Cloud Hosting providers like Google Cloud, AWS, Microsoft Azure, DigitalOcean, etc… won’t allow you to send email from their servers.

postfix

postfix no local interface found SASL authentication no mechanism available Postfix Delete Mails from a user install postfix from source

Configure postfix to relay mails using SendGrid

To use postfix to send email using sendgrid, you first you need to install postfix on your server. Edit main.cf

spam

http://www.mail-tester.com/ https://glockapps.com/ https://www.mailchannels.com – used by hosting providers to stop outgoing spam. DMARC grscripts.com – ASSP based plugin for cpanel

fping

fping can be used to ping multiple IP and get report. If you just want to show if hosts are

DirectAdmin CustomBuild versions.txt is getting old

I got following email from DirectAdmin server. New Message: CustomBuild versions.txt is getting old on s1.serverok.in A new message or