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LinkedIn Replaces Argo CD with a Custom GitOps Engine for Kubernetes Deployments

In a recent post, LinkedIn revealed it has replaced Argo CD with its own GitOps engine. This new system deploys applications across over 250 Kubernetes clusters. It supports more than 4,000 services and manages over 100,000 deployments each week. By Claudio Masolo

We haven't written up this one. InfoQ has the full story — the link below goes straight to it.

Read the original at infoq.com →

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A, CNAME, MX, TXT: what is the real purpose of each DNS record

Opening the DNS zone of your domain for the first time means coming across a table of acronyms with no explanation. In reality, there are only four lines to understand, and they are enough for 95% of…

  • A record points domain to specific machine, e.g., creebs.fr -> 109.234.165.64
  • CNAME associates subdomain with main domain, e.g., www.creebs.fr -> creebs.fr
  • MX records specify email reception, e.g., creebs.fr -> mail.creebs.fr (priority)

You Watched Five People Try Your Feature and Most of Them Could Not Find It

Your team finally ran a usability session. Five people from outside the team were asked to complete a task using the new feature you built, while you watched quietly on a call.

  • Three testers struggled to find the feature's button during usability session
  • One user found the button but doubted its functionality
  • Only one successful user completed the task without assistance

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