5.8 Redis

Every entry filed under Redis and its subtopics.

8 entries match these filters

0236 Redis data types and commands: a quick reference Redis stores values under keys, and each value has a type: string, hash, list, set, sorted set or stream. The essential commands… Beginner · Reference · Any system Article Basics 15 Oct 2026
0237 Use Redis as a cache: TTLs, maxmemory and an eviction health report Set a memory limit and an eviction policy so Redis behaves like a cache, give keys TTLs, then run a bash report… Intermediate · How-to · Linux, macOS Script Administration & persistence · Basics 15 Oct 2026
0238 Redis persistence and high availability: RDB, AOF, replicas and Sentinel Redis keeps data in memory and writes it to disk with RDB snapshots, an append-only file, or both. Replicas copy data to… Intermediate · Concept · Linux Article Administration & persistence 15 Oct 2026
0239 Fix: (error) NOAUTH Authentication required. (and securing Redis with ACLs) Redis requires a login and your client sent a command without one. Pass the right user and password, and use the moment… Advanced · Fix · Linux Article Administration & persistence · Security & access 15 Oct 2026
0240 Fix: MISCONF Redis is configured to save RDB snapshots, but it’s currently unable to persist to disk Redis blocks writes because its last background snapshot failed. Find the cause in the log (full disk, permissions, failed fork), fix it,… Intermediate · Fix · Linux Article Administration & persistence 15 Oct 2026
0245 Redis server source code (redis/redis) The official repository of Redis Open Source: the in-memory data structure server, redis-cli, Sentinel and the example redis.conf. Linux, macOS Repo Administration & persistence · Redis 15 Oct 2026
0246 Valkey: open source key-value datastore (valkey-io/valkey) Valkey is a BSD-licensed key-value data structure server, forked from Redis just before its 2024 license change and backed by the Linux… Linux, macOS Repo Administration & persistence · Redis 15 Oct 2026
0259 Speed up a slow database query with a Redis cache: cache-aside in Python, measured and locked down Put Redis in front of a slow query in a small Python app: cache-aside reads, TTLs with jitter, invalidation on writes, an… Intermediate · Tutorial · Linux Article Administration & persistence · Basics 15 Oct 2026