Could not connect to Redis at 127.0.0.1:6379: Connection refused
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这个要是在redis服务器上使用遇到的话，先使用 netstat -tlun查看端口绑定去哪里了？
netstat -tlun
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 127.0.0.1:6010 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:6011 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:6012 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:6013 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:6014 0.0.0.0:* LISTEN
tcp 0 0 192.168.2.11:6379 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN
tcp 0 0 ::1:6010 :::* LISTEN
tcp 0 0 ::1:6011 :::* LISTEN
tcp 0 0 ::1:6012 :::* LISTEN
tcp 0 0 ::1:6013 :::* LISTEN
tcp 0 0 ::1:6014 :::* LISTEN
tcp 0 0 :::3306 :::* LISTEN
tcp 0 0 :::22 :::* LISTEN
tcp 0 0 ::1:631 :::* LISTEN
tcp 0 0 ::1:25 :::* LISTEN
udp 0 0 0.0.0.0:631 0.0.0.0:*
可以看到端口绑定在192.168.2.11上
[root@mysql-MASTER bin]# ./redis-cli -h 192.168.2.11 -p 6379
192.168.2.11:6379> exit
这样子可以登录，而127.0.0.1 不可以
[root@MYSQL-MASTER bin]# ./redis-cli -h 127.0.0.1 -p 6379
Could not connect to Redis at 127.0.0.1:6379: Connection refused
not connected> exit
查看配置文件
################################## NETWORK #####################################
# By default, if no "bind" configuration directive is specified, Redis listens
# for connections from all the network interfaces available on the server.
# It is possible to listen to just one or multiple selected interfaces using
# the "bind" configuration directive, followed by one or more IP addresses.
#
# Examples:
#
# bind 192.168.1.100 10.0.0.1
# bind 127.0.0.1 ::1
#
# ~~~ WARNING ~~~ If the computer running Redis is directly exposed to the
# internet, binding to all the interfaces is dangerous and will expose the
# instance to everybody on the internet. So by default we uncomment the
# following bind directive, that will force Redis to listen only into
# the IPv4 loopback interface address (this means Redis will be able to
# accept connections only from clients running into the same computer it
# is running).
#
# IF YOU ARE SURE YOU WANT YOUR INSTANCE TO LISTEN TO ALL THE INTERFACES
# JUST COMMENT THE FOLLOWING LINE.
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bind 127.0.0.1
bind 192.168.2.11
那注解掉 bind 192.168.2.11
重启服务
[root@MYSQL-MASTER redis-5.0.2]# service redis start
Starting Redis server...
[root@MYSQL-MASTER redis-5.0.2]# netstat -tlun
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 127.0.0.1:6010 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:6011 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:6012 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:6013 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:6014 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:6379 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN
tcp 0 0 ::1:6010 :::* LISTEN
tcp 0 0 ::1:6011 :::* LISTEN
tcp 0 0 ::1:6012 :::* LISTEN
tcp 0 0 ::1:6013 :::* LISTEN
tcp 0 0 ::1:6014 :::* LISTEN
tcp 0 0 :::3306 :::* LISTEN
tcp 0 0 :::22 :::* LISTEN
tcp 0 0 ::1:631 :::* LISTEN
tcp 0 0 ::1:25 :::* LISTEN
udp 0 0 0.0.0.0:631 0.0.0.0:*
[root@MYSQL-MASTER redis-5.0.2]# bin/redis-cli
127.0.0.1:6379>
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