Top Linux Networking Commands
If you want to become a DevOps engineer or a cloud engineer or an SRE, it is essential to know the Linux troubleshooting commands as they will be part of your day-to-day activities.
Here’s a look at the top 5 commands that you are going to use almost every day —
1. ping
The ping networking utility is used to check if the remote server is reachable or not. It is primarily used for checking the connectivity and troubleshooting the network.
It provides details such as Bytes (sent and received), Packets (sent, received, and lost), Approximate round-trip time (in milliseconds)
ping google.com
2. hostname
The hostname command is used to view the hostname of the machine and to set the hostname.
hostname
3. telnet
The telnet command is used to troubleshoot the TCP connections on a port. It is used to check port connectivity.
telnet <ip> <port>
4. curl
Curl utility is primarily used to transfer data from or to a server. However, you can use it for network troubleshooting.
curl Url
5. nslookup
Nslookup (Name Server Lookup) utility is used to check the DNS entries. It is similar to the dig command.
nslookup google.com
Conclusion
Apart from Linux knowledge, skills & hands-on experience on cloud platforms like AWS, and Azure, and GCP are also important to becoming a DevOps engineer.
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