Redis Commands

Install

Debian/Ubuntu

1. Prerequsities

   sudo apt-get update
   sudo apt-get upgrade
   

2. Installing Redis

   sudo apt-get -y install redis-server
   
   sudo systemctl enable redis-server.service
   

3. Configure Redis

   1. open

      sudo vim /etc/redis/redis.conf
      

   2. edit

      maxmemory 256mb
      maxmemory-policy allkeys-lru
      

   3. restart

      sudo systemctl restart redis-server.service
      

4. Test Connection to Redis Server

   $ redis-cli
   127.0.0.1:6379> ping
   PONG
   127.0.0.1:6379>
   

   redis-cli info
   redis-cli info stats
   redis-cli info server
   

Mac

1. install with brew

   brew update
   brew install redis
   

2. start/stop

   brew services start redis
   brew services stop redis
   

3. start with confi file

   redis-server /usr/local/etc/redis.conf
   

4. testc

   redis-cli ping
   

5. location config

   /usr/local/etc/redis.conf
   

6. uninstall

   brew uninstall redis
   rm ~/Library/LaunchAgents/homebrew.mxcl.redis.plist
   

Docker

1. 启动实例

   docker run --name some-redis -d redis
   # or
   # if exist, please rm first.
   docker volume rm redis-data
   # create volume for persistent data.
   docker volume create redis-data
   # start
   docker run -d \
   --name redis-secure \
   --memory=256m \
   --restart unless-stopped \
   -p 6379:6379 \
   -v redis-data:/data \
   redis:latest \
   redis-server --requirepass YourStrongPassword --maxmemory 128mb --maxmemory-policy allkeys-lru  --appendonly yes
   

2. 持久化

   $ docker run -p 6379:6379 --name some-redis -d redis redis-server --appendonly yes
   

   3. redis-cli

   $ docker run -it --network some-network --rm redis redis-cli -h some-redis
   

3. 挂载

   $ sudo docker run --name my-first-redis -v /myfirstredis/redis.conf:/usr/local/etc/redis/redis.conf -d redis
   

Commands

• lua

• bash-connection

#!/bin/bash

host=$1
port=$2

echo $host: $port
redis-cli -h $host -p $port client list | awk '{print $2}'| cut -d = -f 2| cut -d : -f 1 | sort | uniq -c | sort -rn | awk '{"host " $2 | getline h; print $1 "\t" $2 "\t" h;}'| awk '{print $1 "\t" $2 "\t" $7}'