Troubleshoot Redis server startup failure: foia le faʻafitauli o le toe amataina ma le mafai ona maua avanoa fesoʻotaʻiga mamao

i le fou CentOS 7 O loʻo faʻapipiʻi le Redis server i luga o le masini, ae le mafai ona amata faʻaaoga systemctl.

Taumafai e amata le auaunaga Redis▼

systemctl start redis.service

• Ua le mafai ona amata le Redis (leai se gaioiga).

O le mea lea e tupu pe a taumafai e faʻafesoʻotaʻi i Redis:

redis-cli
Could not connect to Redis at 127.0.0.1:6379: Connection refused
not connected>

Ae o le amataina o Redis e galue ma le lima:

[root@redis ~]# redis-cli
127.0.0.1:6379>

Fesili le tulaga Redis, e fa'aalia ai e le'o fa'agaoioia Redis ▼

[root@redis ~]# systemctl status redis.service
redis-server.service - Redis persistent key-value database
Loaded: loaded (/usr/lib/systemd/system/redis-server.service; disabled)
Active: inactive (dead)

November 25 18:52:16 redis systemd[1]: Starting Redis persistent key-value database...
November  25 18:52:16 redis systemd[1]: Started Redis persistent key-value database.

Ole isi fesili lea e fesiligia ai le tulaga o Redis, faʻaalia se faʻataʻitaʻiga o le toilalo Redis ▼

Foia le faʻafitauli e le mafai e le Redis server ona amata

Ina ia faʻataʻitaʻiina le lomiga lata mai o Redis ma systemd, e tatau ona e faʻasaʻo le faila faʻatulagaina Redis:

/etc/redis.conf

Fausia ma fetuutuunai Redis i le systemd support ▼

daemonize no

supervised auto

O le a le mea e tatau ona ou faia pe afai e le mafai e Redis ona maua se fesoʻotaʻiga mamao pe a uma ona toe amataina le server VPS?

Afai e te toe amataina le server VPS, e le mafai e Redis ona amata ona maua le fesoʻotaʻiga mamao, e mafai ona e tapeina le dump.rdb (memory snapshot) faila ▼

cd /var/lib/redis
mv dump.rdb dump.rdb_bak

Siaki pe ua amata le auaunaga Redis▼

ps -ef|grep redis

• Taumafai e toe amata le server VPS Afai e mafai e Redis ona amata e pei ona masani ai, o lona uiga o le Redis configuration file naʻo le faʻasaʻoina o galuega.