Networking Commands in Linux
Networking commands are essential for system administrators to monitor and debug their system, or server, or network-devices.
It is important to know the commands and tools that can help admins and developers to organize, troubleshoot, and optimize their applications and systems.
Here are some of the essential networking commands grouped into categories:
Host information commands
Know the information about your own system or the remote with these commands.
| Command | Description | Example |
|---|---|---|
| ping | Check if a remote host is reachable or not | ping command |
| nslookup | Querying the Domain Name System (DNS) records | nslookup command |
| dig | Retrieving the DNS information of a remote server | dig command |
| uname | Provide important system information | uname command |
| ip | Get network stats and other configurations | ip command |
Network connection commands
These commands let you work while being connected to a remote system
| Command | Description | Example |
|---|---|---|
| scp | Securely copy files between remote | scp command |
| curl | A tool for data transfer | curl command |
| rsync | A synchronization tool | rsync command |
Network monitoring commands
As a sysadmin, you'll have to keep a tab on what's going on with your network. These commands help you with that.
| Command | Description | Example |
|---|---|---|
| netcat | Allowing two computers to connect and share resources | nc command |
| netstat | Monitor incoming and outgoing connections and more | netstat command |