Nagios 預設登入帳號是 nagiosadmin，如果想要進行更改
1. 修改 /etc/nagios/cgi.cfg，帳號改成 admin
# cp /etc/nagios/cgi.cfg /etc/nagios/cgi.cfg.$(date +%F)
# sed -i ‘s/nagiosadmin/admin/’ /etc/nagios/cgi.cfg[@more@]
2. 刪除原有的帳號資料
# /usr/bin/htpasswd -D /etc/nagios/passwd nagiosadmin
Deleting password for user nagiosadmin
3. 建立 admin 密碼
# /usr/bin/htpasswd -c /etc/nagios/passwd admin
New password:
Re-type new password:
Adding password for user admin
4. 檢查設定檔是否正確
# /usr/sbin/nagios -v /etc/nagios/nagios.cfg
Nagios Core 4.2.4
Copyright (c) 2009-present Nagios Core Development Team and Community Contributors
Copyright (c) 1999-2009 Ethan Galstad
Last Modified: 12-07-2016
License: GPL
Website: https://www.nagios.org
Reading configuration data…
Read main config file okay…
Read object config files okay…
Running pre-flight check on configuration data…
Checking objects…
Checked 8 services.
Checked 1 hosts.
Checked 1 host groups.
Checked 0 service groups.
Checked 1 contacts.
Checked 1 contact groups.
Checked 24 commands.
Checked 5 time periods.
Checked 0 host escalations.
Checked 0 service escalations.
Checking for circular paths…
Checked 1 hosts
Checked 0 service dependencies
Checked 0 host dependencies
Checked 5 timeperiods
Checking global event handlers…
Checking obsessive compulsive processor commands…
Checking misc settings…
Total Warnings: 0
Total Errors: 0
Things look okay – No serious problems were detected during the pre-flight check