SPF for Trusted Emails
Configuring which hosts are trusted to send emails for any domain using SPF.
"It works in my environment."
Configuring which hosts are trusted to send emails for any domain using SPF.
Connecting wired servers, through a switch, to an ubuntu server with a wireless card.
Using the CLI on Ubuntu Server to connect a to a WPA wireless network.
Launching chrome on a remote Ubuntu server using a local X11 graphics server
Sending cron-scheduled ping failure alerts using a bash script
Deploy and configure Postfix as a local send-only mail server.
How I moved my main domain from GoDaddy to Cloudflare, making life easier.