nagstamon from server:monitoring project

对于 15.6，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/server:monitoring/15.6/server:monitoring.repo
zypper refresh
zypper install nagstamon

对于 RHEL 7，请以根用户 root 运行下面命令：

cd /etc/yum.repos.d/
wget https://download.opensuse.org/repositories/server:monitoring/RHEL_7/server:monitoring.repo
yum install nagstamon

对于 SLE 15 SP7，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/server:monitoring/SLE_15_SP7/server:monitoring.repo
zypper refresh
zypper install nagstamon

对于 SLE 15 SP5，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/server:monitoring/SLE_15_SP5/server:monitoring.repo
zypper refresh
zypper install nagstamon

对于 SLE 15 SP4，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/server:monitoring/SLE_15_SP4/server:monitoring.repo
zypper refresh
zypper install nagstamon

对于 SLE 15 SP3，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/server:monitoring/SLE_15_SP3/server:monitoring.repo
zypper refresh
zypper install nagstamon