Nagios upgrade

mkdir /usr/local/nagios/share/backup

mv /usr/local/nagios/share/*.html /usr/local/nagios/share/backup

Download Nagios of new version, Example nagios-4.1.1.tar.gz

1. Type tar zxf nagios-4.1.1.tar.gz and press Enter
2. Type cd nagioscore-nagios-4.1.1 and press Enter
3. Type ./configure --with-command-group=nagcmd and press Enter
4. Wait for the configure command to complete
5. Type make all and press Enter
6. Wait for the make all command to complete
7. Type make install and press Enter
8. Wait for the make install command to complete
9. Type make install-init and press Enter
10. Wait for the make install-init command to complete
11. Type make install-commandmode and press Enter
12. Wait for the make install-commandmode command to complete
13. Type cp -Ru contrib/eventhandlers/ /usr/local/nagios/libexec/ and press Enter
14. Type chown -R nagios:nagios /usr/local/nagios/libexec/eventhandlers and press Enter
15. Type /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg and press Enter
16. The last command ran the nagios pre-flight check
17. Type service nagios restart and press Enter
18. The last command restarted nagios core