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sdesalas/check-redis.connect.sh

Created December 19, 2023 11:49
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Check Redis connectivity
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check-redis.connect.sh
#! /bin/bash
# @see https://stackoverflow.com/questions/33243121/abuse-curl-to-communicate-with-redis
# Without any tools
exec 3<>/dev/tcp/$REDIS_HOST/6379 && echo -e "PING\r\n" >&3 && head -c 7 <&3
# With netcat (apt install netcat-traditional)
(printf "PING\r\n";) | nc $REDIS_HOST 6379
# With telnet
telnet $REDIS_HOST 6379
> ping
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