What does | mean in this grep command?
I'm looking at a shell script that runs an nmap scan and saves matching lines to a variable: RESULT=$(nmap -iL $(HOSTS) --open | grep "Nmap scan report|tcp open")…
Nmap
What’s the Best Way to Build and Maintain an Accurate IP Inventory?
I've documented my Proxmox cluster, switch connections, DHCP configuration, DNS zones, forwarding, and related network details. The remaining task is documenting every IP address, but I keep finding…
What does `|` mean in this grep command?
I'm looking at a shell script that runs an nmap scan and stores selected lines in a variable: RESULT=$(nmap -iL $(HOSTS) --open | grep "Nmap scan report|tcp open")…
What’s the Best Way to Build an Accurate IP Inventory?
I've documented my Proxmox cluster, switch connections, inter-switch links, DHCP configuration, DNS zones, and forwarding rules. The remaining task is documenting every IP address on the network, but…
What’s a good free network scanning tool that maps devices?
I used to have this application on my Windows computer that could scan the network and identify all devices via level 2 and level 3 scanning. I initially…