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How to disable opening download list in Firefox
Author Archives: bitmolnar.com
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How to disable opening download list in Firefox
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How to disable opening download list in Firefox
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How to disable opening download list in Firefox
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 »
Kubernetes #1 – Basic install
This is a first attempt to create a clustered/cloud application on virtual machines running on bare metal(s). Host machine may be any Linux distribution which supports KVM. I used Linux Mint 18 in this case as KVM host. You can use more physical machines with oVirt or other virtualization technology. On virtual machines (VMs) was… Read More »
Explanation of SQL joins
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 »
Save file to your Nextcloud from bash
Sometimes you need to upload from command line to you Nextcloud storage. You can do it with a simple curl command. At first you have to create a shared directory in your Nextcloud with “Allow upload and editing” share option. You will get a share link for example: https://nextcloud.myserver.com/index.php/s/gz8BS7mtxGbwkQB The string “gz8BS7mtxGbwkQB” will be used… Read More »
Delete range of lines above pattern
Displaying lines (eg: 2 lines) above pattern is easy with grep -B2 option. The ‘-v’ option removes only the matched lines but it not working with -B2 option. Option “-B” print outs lines, not select them. From manual of grep: sed can suppress more lines, but only after the pattern: So we have print out… Read More »