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+# Redis
+
+Assume you use Archlinux.
+
+Read [Redis](https://wiki.archlinux.org/index.php/Redis).
+
+Use docker:
+
+```sh
+docker run -d -p 6379:6379 --name redis redis:alpine
+```
+
+## redis-cli
+
+Connect:
+
+```sh
+redis-cli -h localhost -p 6379
+```
+
+### After connect
+
+Get all keys:
+
+```sh
+KEYS *
+```
+
+Delete all keys:
+
+```sh
+FLUSHALL
+```
+
+Read [Commands](https://redis.io/commands).