Server error codes
HTTP status codes and errors from web servers, containers and databases.
- 22P02PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 25P02PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 28P01PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 40P01PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 42P01PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 55P03PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 57P01PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 429HTTP 429 Too Many Requests: what it means and how to fix it
- 500Apache 500 Internal Server Error: how to find the cause and fix it
- 502Nginx 502 Bad Gateway: causes and how to fix it
- 503HTTP error 503 Service Unavailable: what it means and how to fix it
- 504Nginx 504 Gateway Timeout: causes and how to fix it
- 1053Windows Server error 1053: the service did not respond in a timely fashion
- 1067Apache error log: where it is, how to read it and common entries
- 2186Apache error log: where it is, how to read it and common entries
- 08006PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 23502PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 23503PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 23505PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 28000PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 40001PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 42501PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 42703PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 53100PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 53200PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 53300PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 53400PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- 57014PostgreSQL error codes (SQLSTATE): what they mean and how to fix the common ones
- AH00072Apache error log: where it is, how to read it and common entries
- AH00558Apache error log: where it is, how to read it and common entries
- AH01797Apache error log: where it is, how to read it and common entries
- Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?"Cannot connect to the Docker daemon": how to fix it
- HTTP Error 503HTTP error 503 Service Unavailable: what it means and how to fix it
- key values mismatchSSL error: how to find the cause and fix it
- NET::ERR_CERT_AUTHORITY_INVALIDSSL error: how to find the cause and fix it
- NET::ERR_CERT_COMMON_NAME_INVALIDSSL error: how to find the cause and fix it
- NET::ERR_CERT_DATE_INVALIDSSL error: how to find the cause and fix it
- self-signed certificateSSL error: how to find the cause and fix it
- unable to get local issuer certificateSSL error: how to find the cause and fix it