How to disable opening download list in Firefox

When you download or save something, the downloaded files popup list always opens in the new Mozilla Firefox versions. This is a very annoying feature but you can turn it off. Type “about:config” in the URL bar. This will open the configuration settings. Search for “browser.download.alwaysOpenPanel” and set it to “false”. You are done. The… Read More »

How to disable http3 in Mozilla Firefox

The http3 protocoll is enabled by default in Mozilla Firefox since version 88, but it may cause problems. You can turn off the http3 communication with the following steps: Type “about:config” into the search/URL bar of the browser. Type “network.http.http3.enabled” in the configuration page Set the value from “true” to “false” Restart the browser.

curl without password in command line

https://stackoverflow.com/questions/20803339/basic-authorization-command-for-curl Another way is to get Base64 encoded token of “username:password” from any online website like – https://www.base64encode.org/ and pass it as Authorization header of curl as follows: Here, dXNlcm5hbWU6cGFzc3dvcmQ= is Base64 encoded token of username:password.

Kubernetes tips #2 – force-remove namespace

When a namespace stucks in “terminating” state you have manually solve the blocking conditions. At first check the namespace: When the monitoring or metrics is broken there is similar message: Check the metrics.k8s.io apiservice: If there are missing endpoints or other error which caused the “AVAILABLE” field set to False, you need to deal it.… Read More »

Kubernetes tips #1 – kubedf

If you want to check the actual usage of the PVCs, you can do it easily with kubedf . It requires the “jq” tool, which you can install by your package manager. (Eg.: apt install jq) Save the script into file called kubedf and set the execute right. kubectl proxy is required to be running.… Read More »

Kubernetes #2 – Metrics Server

Note: This post was updated to actual (0.3.6) version of Kubernetes Metrics Server at 2020.06.10. For using kubectl top command we need metrics server, formally called Heapster. You can find the Kubernetes Metrics server at github: https://github.com/kubernetes-sigs/metrics-serverDocumentation: https://kubernetes.io/docs/tasks/debug-application-cluster/resource-metrics-pipeline You can check the versions at https://github.com/kubernetes-sigs/metrics-server/releases . To innstall the version 0.3.6 execute the following command:… Read More »

Tricks in command line

Serve current directory tree at http://$HOSTNAME:8000/ $ python -m SimpleHTTPServer Currently mounted filesystems in nice layout $ mount | column -t Get your external IP address / host / user agent / port from http://ifconfig.me/ $ curl ifconfig.meor$ curl ifconfig.me/ip$ curl ifconfig.me/host$ curl ifconfig.me/ua$ curl ifconfig.me/port Execute a command at one, given time $ echo… Read More »