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"Stockholm": DNS health check issue

Scenario: "Stockholm": DNS health check issue

Level: Medium

Type: Fix

Tags: dns  

Access: Paid

Description: The internal status portal on this host should answer on http://127.0.0.1:9167/ with a body containing OK.

It worked until operations ran a package cleanup.

The portal service (stockholm-portal) only runs after a DNS health check at /usr/local/bin/stockholm-dns-check.sh succeeds.

Make the necessary changes so the portal works again.

Do not modify /usr/local/bin/stockholm-dns-check.sh.

Root (sudo) Access: True

Test: The health script /usr/local/bin/stockholm-dns-check.sh runs successfully, stockholm-portal is active, and curl http://127.0.0.1:9167/ returns a response whose body contains OK.

The "Check My Solution" button runs the script /home/admin/agent/check.sh, which you can see and execute.

Time to Solve: 10 minutes.

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Updated: 2026-05-17 16:03 UTC – 4486276