六大Nagios常见问题解决办法
Nagios常见问题1:
It appears as though you do not have permission to view information for any of the hosts you requested
临时解决:
sed -i 's/use_authentication=1/use_authentication=0/g' /usr/local/nagios/etc/cgi.cfg
(取消了认证 可以浏览主机状态 但是无法在 nagios web端 执行外部命令 )
解决:
登陆 nagios web接口的用户，需要和 /usr/local/nagios/etc/cgi.cfg 里面配置的用户匹配，没有可以手动添加，用逗号隔开。
Nagios常见问题2:
- Sorry Dave, I can't let you do that...
- It seems that you have chosen to not use the authentication functionality of the CGIs.
- I don't want to be personally responsible for what may happen as a result of allowing unauthorized users to issue commands to Nagios,so you'll have to disable this safeguard if you are really stubborn and want to invite trouble.
- Read the section on CGI authentication in the HTML documentation to learn how you can enable authentication and why you should want to.
原因 : 未开启认证
解决：开启认证可解决问题，编辑文件 /usr/local/nagios/etc/cgi.cfg，将 use_authentication 值设成1 (0/1 关闭/开启)use_authentication=1，并重启 nagios service nagios restart
Nagios常见问题3:
- It appears as though you do not have permission to view information for any of the hosts you requested...
- If you believe this is an error, check the HTTP server authentication requirements for accessing this CGI
- and check the authorization options in your CGI configuration file.
原因 : 认证用户不正确
开启认证：认证的用户必须是 cgi.cfg 配置文件里有的 默认是 nagiosadmin，如果你新建的其他用户，需要添加进去，多用户用逗号分开
- authorized_for_system_information=nagiosadmin
- authorized_for_configuration_information=nagiosadmin
- authorized_for_system_commands=nagiosadmin
- authorized_for_all_services=nagiosadmin
- authorized_for_all_hosts=nagiosadmin
- authorized_for_all_service_commands=nagiosadmin
- authorized_for_all_host_commands=nagiosadmin
如果不是 nagiosadmin 需要到后面添加，例子 authorized_for_system_information=nagiosadmin,admin
Nagios常见问题4:
调用外部命令错误，可能权限不够
解决:
临时解决:
chown -R nagios.nagcmd /usr/local/nagios/var/rw
chmod -R 777 /usr/local/nagios/var/rw
为什么说临时解决 ? 因为重启nagios后，权限会还原，还是没权限执行。
解决:
在安装 nagios 时，就要把用户选对，然后再安装。
- ./configure --with-group=nagios --with-user=nagios --with-command-group=nagcmd --with-gd-lib=/usr/lib --with-gd-inc=/usr/include
- make all
- make install
- make install-init
- make install-config
- make install-commandmode
- ===
rw agios.cmd 权限是 nagios.nagios，还需要把 web用户 加入到 nagios组里 这样才有权限执行 nagios.cmd
Nagios常见问题5:
3D浏览错误，提示下载 statuswrl.cgi
解决: 需安装3D浏览插件
原因是未安装支持vrml 3D浏览的插件，vrml 面向对象的三维造型语言，需要安装 vrml 支持插件才能浏览，Cortona VRML Client 是一个优秀的VRML浏览插件
http://download.pcpop.com/Down/48664.html
http://down2.pcpop.com/softdown/exp/cortvrml.zip
Nagios常见问题6:
查看帮助文档时，无法看到图片
原因是url错误
图片源地址 http://nagios_ip/pub/images/reachability1.png
实际地址 /usr/local/nagios/share/docs/images/reachability1.png
解决：配置apache加入别名
Alias /pub "/usr/local/nagios/share/docs"
apachectl restart
重启apache 问题解决
nagios的这些常见问题以及解决办法你学会了吗？相信这是一份很有用的资源，希望这些办法能够帮你解决困扰。
