February 2026 – 老紫竹的家

Expand IPv6 Address Pure Shell Script

Posted on 2026年2月28日2026年2月28日 by laozizhu

Pure Shell implementation for IPv6 address expansion (reverse formatting), converting compressed format to 8-segment, 4-digit full format. Supports address validity checks and handling of IPv6 addresses with prefixes.

IPv6 Address Compression Pure Shell Script

Posted on 2026年2月28日2026年2月28日 by laozizhu

Pure Shell implementation of IPv6 address formatting (RFC standard compression format), without relying on iproute2, supports validating address validity, compressing zero segments, handling addresses with prefixes, and outputs all lowercase letters.

GDOM New Installation Scheme with PostgreSQL as Repository

Posted on 2026年2月27日2026年2月28日 by laozizhu

GDOM (GBase Database Operation Manager) is the Nanjing General Technology GBase 8a MPP database operation and maintenance management system. Starting from version GDOM 3.7.0, in addition to supporting MySQL 8 as a resource repository, it now also supports PostgreSQL. This article introduces the installation solution for GDOM's automatic deployment of PostgreSQL as a resource repository.

GDOM processing of repository, analysis library, or historical database user or password change plan

Posted on 2026年2月26日2026年2月27日 by laozizhu

GDOM connects to three databases. The real-time database and historical database are GBASE8a standalone by default. The resource database can be PostgreSQL or MySQL. If the IP addresses, usernames, or passwords of these databases change, you will need to make corresponding modifications in GDOM to continue using them normally.