Diagnosing VS Code Remote‑SSH Connection Failures: Symptoms, Causes, and Fixes
Step‑by‑step diagnostic guide for VS Code Remote‑SSH connection failures, covering symptoms, causes, checks, fixes, and when to escalate.
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sshArchitecture Note: Using Vscodium Remote‑SSH for Secure Remote Development
Architecture note on Vscodium Remote‑SSH: requirements, minimal design, trust boundaries, operational checks, failure modes, and triggers for redesign.
vscodiumVSCodium Remote‑SSH Architecture: Minimal Design, Trust Boundaries, and Operational Checks
VSCodium’s Remote‑SSH lets you edit remote code over SSH. This architecture note covers minimal design, trust boundaries, operational checks, failure modes, and when you need to redesign for stricter security or high‑latency environments.
VS Code Local files.associations Setting Not Propagated to Remote‑SSH Host
The goal is to have a custom file extension, such as *.foo, recognized as JavaScript both when editing files locally in VS Code and when the same workspace is opened through the Remote‑SSH extension on a production Linux host. Locally, adding "*.foo": "javascript" to the files.associations setting activates the correct language mode, but when connecting via
vscodeRemote-SSH Connection Pool Size Change in VSCodium 1.96 Causes Intermittent Exhaustion
Goal Diagnose why Remote‑SSH sessions intermittently fail with connection errors after upgrading to VSCodium 1.96. Context VSCodium 1.96 introduced the remote.SSH.connectionPool.maxSize setting, raising the default pool limit from 10 to 20. When the pool is exhausted, new SSH operations return ECONNREFUSED or timeout errors. The issue appears sporadically un
Remote-SSH connection pool exhaustion and channel leakage
Remote-SSH Connection Management VSCodium's Remote-SSH extension utilizes a connection pool to multiplex multiple logical channels—such as terminals, debug sessions, and file system operations—over a single SSH connection. By default, this pool maintains a maximum limit of concurrent channels. Resource Constraints and Behavior When the maximum channel limit