I came across a weird issue in Docker Desktop for windows where Kubernetes was not coming up and it stuck in “Kubernetes is Starting”. Please follow below steps to resolve the issue in Windows 10 machine. Reference: https://stackoverflow.com/questions/57711639/docker-for-windows-stuck-at-kubernetes-is-starting-after-updating-to-version-2
What is autoscale in Kubernetes? Let’s understand autoscaling with an example. If you have a web application and during specific time you got lot’s of viewer and the rest of the day viewers are less. In order to serve the traffic load better you need more resources. Autoscaling providing you a feature to adjust load…
1) How to stop all docker containers?docker kill $(docker ps -q) 2) How to stop docker containers and remove them?docker rm $(docker ps -a -q) 3) How to remove all Docker Images?docker rmi $(docker images -q) 4) Remove all exited containersList: docker ps -a -f status=exitedRemove: docker rm $(docker ps -a -f status=exited -q) 5)…
denied: requested access to the resource is denied If you face this error while pushing image to remote docker registry then you can use below solution to fix the issue. In my case, I have created few images and I was trying to push those images in remote docker repository but I was getting this…
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Here are few preferred ways to concatenate string variables in bash script Concatenate string variables in Bash 1.Write the variable one after another in echo 2. Use += assignment operator: Second method can be used to append to an integer as well test.sh
Here are the couple of methods to check if a string contains a substring in bash shell script. Methods to check if string contains a substring in Bash Method 1: Use regular expression Output: Method 2: Use wildcard (*) to check the string Output:
If you dealing with number of servers in day to day basis and if your application is growing rapidly then you may come across with different environment variable which you have to update manually bashrc files. What if you have 10+ environment then it will difficult for you to update the bash profile file manually….
Check if file does not exist in Bash Script? You can use -f option in bash script to check if file does not exist. Check if file does not exists if [ ! -f /tmp/users.txt ]; then echo “File not found” fi Parameterize file name in script to check if file doesn’t exist filecheck.sh Check…
How to check if a directory exists in a bash script? In shell script implementation you might come across use case where you need to perform some operation in a directory, but what if directory is not present then your script might break. To avoid the failure and display user friendly error, we should validate…
