FIX ERROR – CentOS+Nginx+Jenkins: 502 Bad Gateway

When running Nginx as a reverse proxy to Jenkins on CentOS, a 502 error may occur. Nginx error log will be as follows: 2020/05/07 13:32:33 [crit] 9665#9665: *1 connect() to 127.0.0.1:8080 failed (13: Permission denied) while connecting to upstream, client: 1.2.3.4, server: jenkins.artem.services, request: "GET / HTTP/1.1", upstream: "http://127.0.0.1:8080/", host: "jenkins.artem.services"   Solution: Reason SELinux. … Continue reading "FIX ERROR – CentOS+Nginx+Jenkins: 502 Bad Gateway"

Jenkins – Kubeconfig

  To store and switch between Kubernetes configurations, you can use the Kubernetes CLI plugin, to work with it, "kubectl" must be installed in the system Install the plugin Go to "Manage Jenkins"   Section "Manage Plugins"   Go to the "Available" tab and in the search indicate "Kubernetes CLI" Install it.   Add Kubernetes … Continue reading "Jenkins – Kubeconfig"

Helm – Creating Secret from Variable

  In order to save the value of the variable as Secret, the variable must be encoded in base64, for this we use "_helpers.tpl" For example, we need to save the value of the variable "applicationSecret" values.yaml:   Add the following to "_helpers.tpl": _helpers.tpl:   Now in the "templates" directory, create the file "secret.yaml" secret.yaml: