How to install and activate Redis for WordPress

[isscbta]

Quick tutorial on how to install and setup Redis for your WordPress website:

1. First part is done in terminal under root account:

Code: Select all

apt update
apt install -y redis-server
apt install -y php-redis php5.6-redis php7.0-redis php7.1-redis php7.2-redis php7.3-redis php7.4-redis php8.0-redis php8.1-redis # depending of the version you have/need

mcedit /etc/redis/redis.conf
    find: supervised
    set: supervised systemd

    find: save 900 1
    comment all 'save' directives
    uncomment: save ""

    find: maxmemory
    set: maxmemory [bytes] (or '2g')
    
    add: maxmemory-policy allkeys-lru

systemctl restart redis
redis-cli
    info memory

2. Second part is done in your WordPress dashboard

• Install and activate this plugin: Redis Object Cache (by Till Krüss)
• Go to Settings/Redis
• Click Enable Object Cache
• If you see this, that means that you successfully installed Redis on your WordPress website:
  
  

  

  redis.png (68.75 KiB)