When Docmost says "Error uploading file to drive" Tracing a misleading error message in Docmost back to a Docker bind mount permission issue, and a permanent fix using a custom entrypoint script.
go2tencentcloud Blocked by Security Group DROP Rules A walkthrough of debugging host-to-host connection errors during Tencent Cloud's go2tencentcloud migration, caused by security group DROP rules between blue and green environments.
GitLab Backup to Tencent COS After EC2 Migration Configuring GitLab Omnibus backup uploads to Tencent Cloud Object Storage after migrating from AWS EC2, and the S3-compatibility settings that make it work.
Recovering Jenkins When Azure AD Client Secret Expires Recovering a Jenkins instance after the Azure AD client secret expires, including temporarily disabling security, creating a new Entra secret, and restoring the original authorization without losing any configuration.
GitLab Background Migration Stuck in Finalizing State A walkthrough of how I diagnosed and cleared a batched background migration stuck in "finalizing" that was blocking a GitLab 18.6.5 to 18.8.11 upgrade, including why the fix was safe on my instance.
GitLab Sidekiq Failing After Redis Migration to Tencent Cloud A walkthrough of debugging GitLab Sidekiq crashing silently after migrating Redis from AWS ElastiCache to Tencent Cloud, caused by Tencent's proxy not supporting the RESP3 protocol required by GitLab's redis-client gem.
Checking IDX-listed companies for annual reports using Deno I needed to check whether 102 Basic Materials companies listed on the Indonesian Stock Exchange have published their annual financial reports. I forked an existing IDX API wrapper, wrote a custom check script, and got blocked by Cloudflare.