Bash Function to Check if a Kubernetes Pod Name is Valid
Kubernetes is getting popular these days – as it is a wonderful way to deploy your applications on the cloud and it scales easily (horizontally). The kubectl get pods …
Category: BASH Shell
Bash Function to Check Palindrome Strings
Bash Programming is Powerful and of course it is fun as well. Today, we are going to do a simple exercise in BASH programming: checking a string if it …
How to Get List of IP addresses in BASH using hostname and tr commands?
The hostname shows or sets the system’s hostname. The option ‘-I’ or ‘–all-ip-addresses’ list the IP addresses on one single line. -i, --ip-address Display the network address(es) of the …
Bash Command to Find Out the IPs that Hit Your Server
My servers have been recently hit by a few spam bots whether they are malicious or not. The spamer causes high CPU spikes and I have to ban those …
AWK Tutorial: When are you expected to produce your next witness block? (STEEMIT)
This is the longest Linux shell command I’ve written! Last time, we presented the bash/awk command line prints the block number and the number of hours since last time …