How to Install and Configure Nagios Core Server on Ubuntu 22.04 | 20.04 | 18.04 LTS

How to Install and Configure Nagios Core Server on Ubuntu

📌 Applies to:
✅ Ubuntu 23
✅ Ubuntu 22.04 LTS | 22.10
✅ Ubuntu 21
✅ Ubuntu 20.04 LTS | 20.10
✅ Ubuntu 19
✅ Ubuntu 18.04 LTS
✅ Debian 9/10/11
✅ LinuxMint

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Nagios Features

✳️ Network Monitoring
• TCP/UDP Port
• SMTP
• POP3
• IMAP
• HTTP(S)
• FTP
• SSH
• DNS
• DHCP
• SNMP
• Bandwidth
• Port State
• and more…
✳️ Operating System Monitoring
• Windows
• Linux
• Unix
• OSX
✳️ Hardware Monitoring
• Routers
• Switches
• Firewalls
• Servers
• Workstations
• Printers
• Environmental Devices
• Generic Network Elements
✳️ Website Monitoring
• Web Content
• Web Transactions
• DNS IP Match
• SSL Certificates
• HTTP(S) Response Code
✳️ Reporting
• SLA and Availability reports
• Alert and notification history
• Trending reports
• Performance graphs
• Capacity Planning
• Scheduled Executive Reports
• Bandwidth Usage
✳️ Notifications
• Email
• Mobile text
• Custom script
• Send SNMP Trap
✳️ Extendable
• Thousands of community
developed add-ons and plugins
extend native capabilities
✳️ More
• Multi-tenant/multi-user
capabilities
• Notification escalations
• Scheduled downtime
• Acknowledge problems online
✳️ System Requirements
✅ Virtual Hosts:
• VMware Player, Workstation
• VMware, ESX, vSphere
• Microsoft Hyper-V
✅ Linux:
• RHEL 6 (32/64bit)/ RHEL 7
• CentOS 6 (32/64bit)/ CentOS 7
• Ubuntu 14/16 (32/64-bit)/Ubuntu 18
• Debian 8/9 (32-bit/64-bit)
✳️ Server Hardware:
• 1 GHz CPU (1-2 Cores), 1+ GB
RAM
(minimum)
• 2 GHz+ CPU, (4-core) 4+ GB+ RAM
(recommended)
Server Storage:
• 40 GB free space (minimum)
• 80+ GB free space
(recommended)
✳️ Browsers:
• Firefox 4.0+
• Internet Explorer 9+
• Safari 2.0+
• Chrome 28.0+
✳️ Client Operating Systems:
• Windows: Windows XP or newer
• Mac: OSX
• Linux/Unix: 2.4+ kernel Linux
distributions, Solaris 9+ , FreeBSD
6.4+, AIX 5.3, 6.1, 7