postgres报错:FATAL: Peer authentication failed for user “zabbix“ Previous connection kept

postgres报错:FATAL: Peer authentication failed for user “zabbix“ Previous connection kept

登录zabbix用户失败，

postgres=# c - zabbix
FATAL:  Peer authentication failed for user "zabbix"
Previous connection kept

解决办法 ：
修改配置文件
#vi f

# "local" is for Unix domain socket connections only
local   all             all                                     Peer
# IPv4 local connections:
host    all             all             127.0.0.1/32            Ident
# IPv6 local connections:

新文件为：
全部改成md5

# "local" is for Unix domain socket connections only
local   all             all                                     md5
# IPv4 local connections:
host    all             all             127.0.0.1/32            md5
# IPv6 local connections:
host    all             all             ::1/128                 md5

参考链接 ：