This is one way to find public IP Ranges for email using DIG. This is used if you want to... Read More
1. Programs with cached credentials 2. Changed password in a service account 3. Having a bad password limit that’s too... Read More
I already posted about NTP in a Windows domain. I want to briefly talk about stratum numbers. I’ve been in... Read More
If you’re getting this error: Below is the fix: While your VM is off, you need to go into your... Read More
After an upgrade to my oh-my-zsh software, I was getting a bunch of errors like the ones below: [oh-my-zsh] Insecure... Read More
The difference between these is who is initiating the conversation. In Polling, the monitoring server is initiating the conversation asking... Read More
[Command not found: telnet] [Could not create a new process and open a pseudo-tty.] When I was using my Macbook... Read More
Another topic that seems to confuse people when it’s a simple process. I’ll blog soon about NTP in general when... Read More
DNS name servers are usually split into two categories:... Read More