[zabbix] name=Zabbix Official Repository - $basearch #baseurl=http://repo.zabbix.com/zabbix/4.0/rhel/7/$basearch/ baseurl=https://mirror.tuna.tsinghua.edu.cn/zabbix/zabbix/4.0/rhel/7/$basearch/ #这里我们换成清华的yum源 enabled=1 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX-A14FE591 [zabbix-debuginfo] name=Zabbix Official Repository debuginfo - $basearch #baseurl=http://repo.zabbix.com/zabbix/4.0/rhel/7/$basearch/debuginfo/ baseurl=https://mirror.tuna.tsinghua.edu.cn/zabbix/zabbix/4.0/rhel/7/$basearch/debuginfo/ #换了上面Zabbix的安装源地址，其组件地址也要记得换！ enabled=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX-A14FE591 gpgcheck=1 [zabbix-non-supported] name=Zabbix Official Repository non-supported - $basearch #baseurl=http://repo.zabbix.com/non-supported/rhel/7/$basearch/ baseurl=https://mirror.tuna.tsinghua.edu.cn/zabbix/non-supported/rhel/7/$basearch/ enabled=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX gpgcheck=1
前言
入了很多坑，也尝试过更换阿里的源，但还是报错256
后面更换清华源问题得以解决
代码如下:
vim /etc/yum.repos.d/zabbix.repo
yum下载Zabbix4.0报errno256 no more mirrors to try
原文：https://www.cnblogs.com/yds941268778/p/12990283.html