Скачать или смотреть Linux Server Monitoring: Setup Nagios from Scratch (Complete Guide)

📊 Linux System Administration: Nagios Monitoring Setup

⚡ Why This Matters:
Nagios is used by 65% of enterprises for infrastructure monitoring (Datanyze 2024) - a must-have skill for SysAdmin jobs!

💻 Today’s Complete Nagios Setup:

1. Install Dependencies:
```bash
Install required packages
sudo yum install httpd php gcc glibc glibc-common gd gd-devel make net-snmp
Start Apache
sudo systemctl enable --now httpd

2. Install Nagios Core:
```bash
Download & extract
wget https://assets.nagios.com/downloads/n...
tar xzf nagios-4.4.6.tar.gz
Compile and install
cd nagios-4.4.6
./configure
make all
sudo make install

3. Configure Nagios:
```bash
Install sample configs
sudo make install-config
sudo make install-commandmode
Setup web interface
sudo make install-webconf
Create admin user
sudo htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin

4. Start Nagios:
```bash
Start services
sudo systemctl start nagios
sudo systemctl enable nagios
Access dashboard
http://your-server/nagios

🔥 Pro Tip: Use sudo systemctl status nagios to verify your installation and check for errors!

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