CI/CD
TeamCity Build Agent Issues: Complete Troubleshooting Guide
Fix TeamCity build agent issues with practical solutions for agent registration failures, connection problems, build queue delays, and authorization errors.
Published guide archive
Browse the latest published troubleshooting workflows
Move through published fixes 15 at a time without losing the newest-first archive order.
Terraform
Fix Fix Terraform Init Failed Issue in Terraform
Troubleshoot Fix Terraform Init Failed issue in Terraform with targeted checks for logs, configuration, identity, dependencies, and rollback.
SSH
Fix SSH GSSAPI Authentication Error
Resolve SSH GSSAPI authentication errors with Kerberos configuration, service principal setup, and credential troubleshooting.
SSL
SSL Private Key Mismatch: When Certificate and Key Don't Match
Resolve errors when your SSL certificate's public key doesn't correspond to the private key installed on your server.
SSH
Fix SSH SFTP Chroot Directory Error
Resolve SSH SFTP chroot directory errors with proper ownership, permissions, and configuration settings.
SSL
SSL Certificate Revoked: CRL and OCSP Verification Errors
Handle revoked SSL certificate errors when the CA has invalidated your certificate before its expiration date.
SSL
SSL Certificate Name Mismatch: Fix Hostname Validation Errors
Resolve certificate hostname mismatch errors when the certificate doesn't cover the domain being accessed.
SSL
SSL Protocol Version Not Supported: TLS Compatibility Issues
Fix TLS protocol version mismatches when clients and servers cannot negotiate a compatible secure connection.
SSH
Fix Fix Ssh Login Grace Time Issue in SSH
Troubleshoot Fix Ssh Login Grace Time issue in SSH with targeted checks for logs, configuration, identity, dependencies, and rollback.
SSL
SSL HSTS Header Configuration: HTTP Strict Transport Security Issues
Configure HSTS headers correctly to enforce HTTPS connections and resolve browser security warnings.
SSH
Fix Fix Ssh No Matching Mac Issue in SSH
Troubleshoot Fix Ssh No Matching Mac issue in SSH with targeted checks for logs, configuration, identity, dependencies, and rollback.
SSH
Fix SSH Kerberos Authentication Error
Resolve SSH Kerberos authentication failures with ticket management, principal configuration, and realm setup.
SSL
SSL Certificate Transparency Log Error: SCT and CT Validation Issues
Resolve Certificate Transparency log errors when browsers reject certificates due to missing or invalid Signed Certificate Timestamps.
SSL
SSL Cipher Suite Negotiation Failed: No Shared Cipher Error
Resolve cipher suite negotiation failures when client and server cannot agree on encryption algorithms for TLS.
SSH
Fix Fix Ssh Tunnel Port Forwarding Failed Issue in SSH
Troubleshoot Fix Ssh Tunnel Port Forwarding Failed issue in SSH with targeted checks for logs, configuration, identity, dependencies, and rollback.