Redis sur Debian 12

Installation de Redis sur Debian 12 Bookworm.

Composant	Version
Debian	12 Bookworm
Redis	7.0+

Durée estimée : 20 minutes

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1. Installation

apt update
apt install -y redis-server

# Version
redis-server --version

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2. Configuration

cp /etc/redis/redis.conf /etc/redis/redis.conf.bak
vim /etc/redis/redis.conf

# Écoute
bind 0.0.0.0
port 6379

# Sécurité
requirepass VotreMotDePasseSecurise

# Logging
loglevel notice
logfile /var/log/redis/redis-server.log

# Persistance
save 900 1
save 300 10
save 60 10000

appendonly yes
appendfsync everysec

# Mémoire
maxmemory 2gb
maxmemory-policy allkeys-lru

# Timeouts
timeout 300
tcp-keepalive 300

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3. Démarrer

systemctl enable --now redis-server
systemctl status redis-server

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4. Test

redis-cli -a VotreMotDePasseSecurise PING
# PONG

redis-cli -a VotreMotDePasseSecurise SET test "Hello"
redis-cli -a VotreMotDePasseSecurise GET test

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5. Firewall

ufw allow 6379/tcp
ufw reload

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6. Sécurisation

# Renommer commandes dangereuses
rename-command FLUSHDB ""
rename-command FLUSHALL ""
rename-command DEBUG ""

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7. Réplication

Master (aucun changement)

Replica

replicaof 192.168.1.10 6379
masterauth VotreMotDePasseSecurise

systemctl restart redis-server

# Vérifier
redis-cli INFO replication

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8. Sentinel

cat > /etc/redis/sentinel.conf << 'EOF'
port 26379
daemonize yes
logfile /var/log/redis/sentinel.log

sentinel monitor mymaster 192.168.1.10 6379 2
sentinel auth-pass mymaster VotreMotDePasseSecurise
sentinel down-after-milliseconds mymaster 5000
sentinel failover-timeout mymaster 60000
EOF

redis-sentinel /etc/redis/sentinel.conf

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9. PHP Integration

apt install -y php-redis
systemctl restart php-fpm

; Sessions PHP via Redis
session.save_handler = redis
session.save_path = "tcp://127.0.0.1:6379?auth=VotreMotDePasseSecurise"

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Comparatif Rocky vs Debian

Aspect	Rocky 9	Debian 12
Package	redis	redis-server
Service	redis	redis-server
Config	/etc/redis/redis.conf	/etc/redis/redis.conf
Version	6.2 (7.x via Remi)	7.0

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Commandes

redis-cli INFO                  # Infos
redis-cli KEYS "*"              # Lister clés
redis-cli GET key               # Lire
redis-cli SET key value 3600    # Écrire avec TTL
redis-cli DEL key               # Supprimer
redis-cli BGSAVE                # Sauvegarder
redis-cli MONITOR               # Debug temps réel

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Changelog

Date	Modification
2024-12	Création initiale