A collection of random notes

Purge DNS Cache

As we know cloudflare (1.1.1.1) and google (8.8.8.8) public dns is mostly used public dns, sometime after change dns configuration this public dns cache our dns record, here are two website owned by cloudflare and google to help purge that dns cache: Cloudflare https://cloudflare-dns.com/purge-cache/ Google https://developers.google.com/speed/public-dns/cache. . . selengkapnya>>

DNS Checker

Like it's name, this website can help to check dns propagation. https://dnschecker.org/ . . . selengkapnya>>

Open Source Video Transcoder

HandBrake is a tool for converting video from nearly any format to a selection of modern, widely supported codecs. Reasons you’ll love HandBrake: Convert video from nearly any format Free and Open Source Multi-Platform (Windows, Mac and Linux) And the important things is it's free. https://handbrake.fr/ . . . selengkapnya>>

Connect to Docker Container with Specific User

Connect to docker container will using root as default user (or user defined when we create container), but sometimes we need to connect to docker container with specific user. To do this we can use command bellow: docker exec -it --user user_name container bash     . . . selengkapnya>>

Ubuntu Create Known Hosts

Sometime when we connect to server automatically (like on CI/CD pipeline), we need to define known hosts manually, below is command to generate known hosts ssh-keyscan -t rsa server.example.com > my_known_hosts Command above will generate known hosts on file my_known_hosts . . . selengkapnya>>

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