nagios-check-security-updates's Introduction

nagios-check-security-updates

Nagios check for security updates in Red Hat Enterprise Linux

Performance data for available patches in each severity level
Timeframe in which security patches must be applied and no warning is issued:
- Criticcal: 30 days
- Important, Moderate, Low: 90 days
Patch information is cached in local file to minimize online requests. Patch information older than 1 year is automatically removed from cache file.

Prerequisites

Python >= 3.6
Red Hat Enterprise Linux >= 7

Usage

./check-security-updates.py -h
usage: check-security-updates.py [-h] [-v] [-d] [-k] [-c] [-V]

Nagios check for security updates

optional arguments:
  -h, --help     show this help message and exit
  -v, --verbose  enable verbose output
  -d, --debug    enable debug output
  -k, --kernel   ommit kernel patches (if kernel live patches are enabled)
  -c, --cache    local cache file for patch dates (default: /tmp/check-security-updates.cache)
  -V, --version  show program's version number and exit

Examples

$ check-security-updates.py -v
2022-11-27 19:18:52 [110868] INFO: Moderate: kernel-5.14.0-162.6.1.el9_1.x86_64
2022-11-27 19:18:52 [110868] INFO: Moderate: kernel-core-5.14.0-162.6.1.el9_1.x86_64
2022-11-27 19:18:52 [110868] INFO: Moderate: kernel-modules-5.14.0-162.6.1.el9_1.x86_64
WARNING: Critical=0 Important=0 Moderate=3 Low=0 next_patch_date=None|Critical=0;Important=0;Moderate=3;Low=0;

$ check-security-updates.py
WARNING: Critical=0 Important=0 Moderate=3 Low=0 next_patch_date=2023-02-22|Critical=0;Important=0;Moderate=3;Low=0;

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