Technical Posts
A collection of mostly IT centric posts from the last ~20 years
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DHCP to Static Ubuntu 24.04 LTS
Ubuntu Server VM Original DHCP Config /etc/netplan/50-cloud-init.yaml # This file is generated from information provided by the datasource. Changes # to it will not persist across an instance reboot. To disable cloud-init's # network configuration capabilities, write...
N-Able Alert ssh STOPPED
Getting an alert to say ssh daemon has failed on an install of Ubuntu 24.04 LTS MAX RemoteManagement has detected an error, details are below. A fault has been reported at MyCustomer site MySite, device MyDevice-Linux-01 The test Daemon Check - ssh failed. Additional...
Opnsense – Expand Disk – Grow partition FreeBSD
Azure VM Size Standard B1ms (1 vcpu, 2 GiB memory) Recommended VM size https://docs.opnsense.org/manual/hardware.html https://docs-archive.freebsd.org/doc/11.4-RELEASE/usr/local/share/doc/freebsd/handbook/disks-growing.html Boot to single user mode by pressing the 2...
Add your SSH Public Key to a Cisco 2960 Switch
Windows WSL linux cd /mnt/c/Users/username/.ssh fold -b -w 72 ~/.ssh/id_rsa.pub # sample output ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDIv/op3vgavpEV2gz7hvBBlwFC+FvRgIW1 PIIGYUTZOypj3vqp9XiSPkcU7OW+yZdo6iHoOkb/iM1P/w3FKXSOlmxdTF5KFqIev5ZsKC9z...
Oh wow the future is here
Just looking at my server logs and sky net is connecting to some of my posts "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ChatGPT-User/1.0; +https://openai.com/bot"
Using nginx to detect the Real Client IP and return a Status 403 Forbidden when your Site is Proxied by Cloudflare
When using Cloudflare proxying. By default the nginx logs show the remote_addr (162.158.3.22) as one of the multitudinous Cloudflare proxy server IP addresses: Following is how you can configure your nginx conf files to return 403 (Forbidden) to specified IP's and...