- Published on
Editing a File with Cat
- Authors
- Name
- Yair Mark
- @yairmark
In one of my previous posts I recounted how I ran into a docker container where there was no editor anywhere in the container's shell. This happened again today. A colleague who was working through the issue with me pointed out a more elegant solution:
- Edit the file on your local machine however you normally would
- Exec into the container in interactive mode
kubectl exec -it podName -- /bin/sh - Copy all the contents of the file into your local machine's clipboard
- In your pod's shell type:
cat <<'EOF' >> yourfile.sh- Where
yourfile.shis a file that exists on the pod where you want to paste the changes to
- Where
- Paste the contents from your local clipboard into the shell
- Push enter then type EOF
- Finally push enter once more and the file on your pod will have the contents you want