Start service in low port whitout root

 

Locate the systemd file of that service:

pico /usr/lib/systemd/system/grafana-server


Add this 2 lines at service


[Service]


AmbientCapabilities = CAP_NET_BIND_SERVICE
CapabilityBoundingSet = CAP_NET_BIND_SERVICE

Run:
systemctl daemon-reload 


Restart service

Openshift custom /etc/hosts config

To add custom entries in the /etc/hosts file of pods, you can utilize the hostAliases field in the deployment configuration. This field allows you to define a list of custom hostname and IP address mappings.

Here’s an example of how you can add a custom entry using the oc command-line tool:

$ oc get deployment httpd1 -o yaml | grep -A4 -B14 hostAliases
    spec:
      containers:
      - image: image-registry.openshift-image-registry.svc:5000/iamgini-dev/httpd1@sha256:b58b0719265d8b1a5beacfb42f4f2e946905c1ba4069c9949834edf97db3ace2
        imagePullPolicy: Always
        name: httpd1
        ports:
        - containerPort: 8080
          protocol: TCP
        - containerPort: 8443
          protocol: TCP
        resources: {}
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
      dnsPolicy: ClusterFirst
      hostAliases:
      - hostnames:
        - myadded.example.com
        ip: 192.168.1.1
      restartPolicy: Always

 

https://www.techbeatly.com/adding-custom-entries-in-etc-hosts-file-in-kubernetes-and-openshift-containers/

Renew OpenVPN certificate

 mv /etc/openvpn/easy-rsa/pki/reqs/server_xyzblablabla.req server_xyzblablabla.req.backup

mv /etc/openvpn/easy-rsa/pki/private/server_xyzblablabla.key server_xyzblablabla.key.backup

mv /etc/openvpn/easy-rsa/pki/issued/server_xyzblablabla.crt server_xyzblablabla.crt.backup

mv /etc/openvpn/server_xyzblablabla.crt server_xyzblablabla.crt.backup

mv /etc/openvpn/server_xyzblablabla.key server_xyzblablabla.key.backup

cd /etc/openvpn/easy-rsa

./easyrsa build-server-full server_xyzblablabla nopass

cp /etc/openvpn/easy-rsa/pki/issued/server_xyzblablabla.crt /etc/openvpn

cp /etc/openvpn/easy-rsa/pki/private/server_xyzblablabla.key /etc/openvpn

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