helm commands

1. helm ls

For all namespaces —

helm ls -A

For a particular namespace

helm -n namespace ls

2. helm rollback and helm history

MacBook-Pro-van-Dipesh:Cellar dipeshmajumdar$ helm ls -A
NAME                         NAMESPACE      REVISION UPDATED                                 STATUS   CHART                               APP VERSION
aws-ebs-csi-driver           kube-system    1        2023-03-30 12:31:37.074479 +0200 CEST   deployed aws-ebs-csi-driver-1.2.4            1.1.1        
runner1                      runner1        7        2023-05-24 06:24:14.351437822 +0000 UTC deployed gitlab-runner-0.51.0                15.10.0      

helm -n runner1 history runner1
REVISION UPDATED                  STATUS     CHART                APP VERSION DESCRIPTION     
1        Fri Mar 24 20:54:08 2023 superseded gitlab-runner-0.51.0 15.10.0     Install complete
2        Fri Mar 24 21:34:27 2023 superseded gitlab-runner-0.51.0 15.10.0     Upgrade complete
3        Fri Mar 24 21:38:21 2023 superseded gitlab-runner-0.51.0 15.10.0     Upgrade complete
4        Fri Mar 24 21:44:15 2023 superseded gitlab-runner-0.51.0 15.10.0     Upgrade complete
5        Fri Mar 24 21:54:36 2023 superseded gitlab-runner-0.51.0 15.10.0     Upgrade complete
6        Wed May 17 14:07:56 2023 superseded gitlab-runner-0.51.0 15.10.0     Upgrade complete
7        Wed May 24 06:24:14 2023 deployed   gitlab-runner-0.51.0 15.10.0     Upgrade complete

helm -n runner1 rollback runner1 6
Rollback was a success! Happy Helming!

helm -n runner1 history runner1
REVISION UPDATED                  STATUS     CHART                APP VERSION DESCRIPTION     
1        Fri Mar 24 20:54:08 2023 superseded gitlab-runner-0.51.0 15.10.0     Install complete
2        Fri Mar 24 21:34:27 2023 superseded gitlab-runner-0.51.0 15.10.0     Upgrade complete
3        Fri Mar 24 21:38:21 2023 superseded gitlab-runner-0.51.0 15.10.0     Upgrade complete
4        Fri Mar 24 21:44:15 2023 superseded gitlab-runner-0.51.0 15.10.0     Upgrade complete
5        Fri Mar 24 21:54:36 2023 superseded gitlab-runner-0.51.0 15.10.0     Upgrade complete
6        Wed May 17 14:07:56 2023 superseded gitlab-runner-0.51.0 15.10.0     Upgrade complete
7        Wed May 24 06:24:14 2023 superseded gitlab-runner-0.51.0 15.10.0     Upgrade complete
8        Wed May 24 12:23:28 2023 deployed   gitlab-runner-0.51.0 15.10.0     Rollback to 6

3. helm repo update and helm pull

helm repo update
helm pull gitlab/gitlab-runner

3. helm install

#!/bin/bash
NAME="runner1"
helm --namespace $NAME upgrade --install -f values.yaml $NAME helm-chart

*helm-chart is the folder where the chart resides. Typically this folder [gitlab-runner-0.51.0 in below example] has folder structure similar to the one shown in below screenshot