firewall

Event ID: 5120 Event ID: 5142. Cluster shared volume has entered a paused.

12/03/2020 How to: Hyper-v 0 Comments

Hi Guys.A few days ago our production cluster CRASHED completely, 300 VMs went crazy. It affected more than 2k people. I spent 8 hours on the phone with Microsoft and they couldn’t fix. After, some time I found that SMB traffic is getting blocked. I asked our networking team if…

How to make APT-GET working in AWS.

09/03/2020 AWS, How to: Linux 0 Comments

You probably install Ubuntu server in AWS and apt-get failed. It is not working because AWS NACLs are stateless. You need to allow inbound return traffic for the response. Source: 0.0.0.0/0 Protocol: TCP Port Rage: 32768-65535 Allow/Deny: ALLOW Have a good one.