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#SaltStack

High-speed remote execution and configuration management.

#Overview

ComponentDescription
Salt MasterCentral server
MinionsManaged nodes
StatesConfiguration definitions
PillarsSecure variables

#State Example

yaml
1# /srv/salt/webserver.sls
2nginx:
3  pkg.installed: []
4  service.running:
5    - enable: True
6    - require:
7      - pkg: nginx
8
9/etc/nginx/nginx.conf:
10  file.managed:
11    - source: salt://nginx/nginx.conf
12    - require:
13      - pkg: nginx
14    - watch_in:
15      - service: nginx

#Commands

bash
1# Test connectivity
2salt '*' test.ping
3
4# Apply state
5salt '*' state.apply webserver
6
7# Remote execution
8salt '*' cmd.run 'uptime'
9
10# Grain (system info)
11salt '*' grains.items

#Strengths

  • Very fast execution
  • ZeroMQ-based transport
  • Event-driven architecture
  • Strong remote execution

[!TIP] Pro Tip: Salt is excellent for real-time infrastructure management!