Browse Library
Sign In Start Free Trial
Close icon Search icon
Account
Browse Library Advanced Search Sign In Start Free Trial

Add to playlist

Create a Playlist

Modal Close icon
You need to login to use this feature.
  • Book Overview & Buying Salt Cookbook
  • Table Of Contents Toc
  • Feedback & Rating feedback
Salt Cookbook

Salt Cookbook

By : Anirban Saha
3.5 (2)
Buy this Book
close
close
Salt Cookbook

Salt Cookbook

3.5 (2)
By: Anirban Saha
Buy this Book

Overview of this book

If you are a professional associated with system and infrastructure management, looking at automated infrastructure and deployments, then this book is for you. No prior experience of Salt is required.
Table of Contents (13 chapters)
close
close
close
Preface
Icon
Preface
Icon
What this book covers
Icon
What you need for this book
Icon
Who this book is for
Icon
Sections
Icon
Conventions
Icon
Reader feedback
Icon
Customer support
Free Chapter
1
1. Salt Architecture and Components
Icon
1. Salt Architecture and Components
Icon
Introduction
Icon
Installing and configuring the Salt master
Icon
Configuring the Salt environment and pillar paths
Icon
Understanding and configuring Salt pillars
Icon
Understanding and writing Salt states
Icon
Understanding and writing the top file
Icon
Installing and configuring the Salt minion
Icon
Configuring environments and grains on the minion
Icon
Applying Salt states to minions
2
2. Writing Advanced Salt Configurations
Icon
2. Writing Advanced Salt Configurations
Icon
Introduction
Icon
Writing and retrieving pillar data
Icon
Using pillar data in states
Icon
Using grains in states
Icon
Using conditionals in states and pillars
Icon
Using Python functions in conditionals
Icon
Using iterations in states
Icon
Setting and using variables in states
Icon
Testing a state run before applying to minions
Icon
Configuring nodegroups
Icon
Targeting minions
3
3. Modules, Orchestration, and Scaling Salt
Icon
3. Modules, Orchestration, and Scaling Salt
Icon
Introduction
Icon
Using execution modules
Icon
Using state modules
Icon
Configuring templates
Icon
Using requisites
Icon
Using Salt runners
Icon
Orchestration with Salt orchestrate
Icon
Salt multi-master setup (active-active mode)
Icon
Salt multi-master setup (active-passive mode)
4
4. General Administration Tasks
Icon
4. General Administration Tasks
Icon
Introduction
Icon
Running commands
Icon
Setting host entries and grains
Icon
Setting time zone, locale, and kernel configurations
Icon
Handling archive files
Icon
Adding groups and users
Icon
Performing SSH authentication tasks
Icon
Scheduling jobs with cron
Icon
Managing volumes
Icon
Working with disks and mounts
Icon
Managing network configurations
5
5. Advanced Administration Tasks
Icon
5. Advanced Administration Tasks
Icon
Introduction
Icon
Managing package repositories
Icon
Managing packages using the default package manager
Icon
Managing packages using rvm, gem, and pip
Icon
Managing files
Icon
Managing services
Icon
Managing code repositories with Git
Icon
Managing code repositories with svn
Icon
Configuring alternatives
6
6. Managing Application Servers
Icon
6. Managing Application Servers
Icon
Introduction
Icon
Apache web server packages and services
Icon
Managing web server modules
Icon
Adding web server configuration
Icon
Web server security with htpasswd
Icon
Setting up Java for Apache Tomcat
Icon
Apache Tomcat packages, files, and services
Icon
Deploying the WAR file in Apache Tomcat
7
7. Managing Databases
Icon
7. Managing Databases
Icon
Introduction
Icon
Using MySQL packages, files, and services
Icon
Using MySQL databases
Icon
Creating MySQL database users
Icon
Running MySQL queries
Icon
Providing MySQL user grants
Icon
Using PostgreSQL packages, files, and services
Icon
Setting up PostgreSQL groups and users
Icon
Configuring PostgreSQL databases
8
8. Configuring Salt Cloud
Icon
8. Configuring Salt Cloud
Icon
Introduction
Icon
Configuring the Salt cloud environment
Icon
Configuring cloud providers
Icon
Configuring cloud profiles
Icon
Extending profiles and providers
Icon
Configuring cloud maps
Icon
Using post-install scripts
Icon
Launching, querying, and destroying instances
Icon
Performing general cloud functions
9
9. Managing Amazon Web Services
Icon
9. Managing Amazon Web Services
Icon
Introduction
Icon
Implementing security groups
Icon
Using elastic load balancers
Icon
Configuring DNS with Route53
Icon
Configuring Simple Queue Service
Icon
Deploying ElastiCache clusters
Icon
Configuring CloudWatch alarms
10
10. Salt Event and Reactor System
Icon
10. Salt Event and Reactor System
Icon
Introduction
Icon
Learning the basics of the event system
Icon
Listening to events
Icon
Firing events
Icon
Identifying and working with Salt event types
Icon
Integrating and configuring the reactor system
Icon
Using reactors for Salt tasks
11
11. Troubleshooting
chevron up
Icon
11. Troubleshooting
Icon
Introduction
Icon
Troubleshooting the Salt master
Icon
Troubleshooting the Salt minion
Icon
Dealing with too many open files
Icon
Connectivity, DNS, and ports
Icon
Dealing with YAML configuration problems
12
Index
Icon
Index

Troubleshooting the Salt minion

Not only the Salt master but also the Salt minions can face a lot of problems. In this recipe, you will learn how to determine the problems with Salt minions and the procedures to troubleshoot and solve them.

How to do it...

  1. Run the following command from the Salt master:
    [root@salt-master ~]# salt -vv 'salt-minion' test.ping
Executing job with jid 20150220033703911853
-------------------------------------------

salt-minion:
    Minion did not return. [Not connected]
  2. On the minion, check if the salt-minion service is running. If not, start it.
  3. If the preceding issue still persists, check the log file on the minion:
    [root@salt-minion ~]# cat /var/log/salt/minion
2015-02-20 02:40:44,160 [salt.crypt                               ][CRITICAL] The Salt Master has rejected this minion's public key!
  4. To repair this issue, either delete the public key for this minion on the Salt master and restart this minion, or restart the Salt master in open mode to clean...

Unlock full access

Continue reading for free

A Packt free trial gives you instant online access to our library of over 7000 practical eBooks and videos, constantly updated with the latest in tech
Start a 7-day FREE trial
End of Section 4
Next Section

Create a Note

Modal Close icon
You need to login to use this feature.
notes
bookmark search playlist font-size

Change the font size

margin-width

Change margin width

day-mode

Change background colour

Close icon Search
Country selected
Close icon Your notes and bookmarks

Delete Bookmark

Modal Close icon
Are you sure you want to delete it?
Cancel
Yes, Delete

Delete Note

Modal Close icon
Are you sure you want to delete it?
Cancel
Yes, Delete

Edit Note

Modal Close icon
Write a note (max 255 characters)
Cancel
Update Note

Confirmation

Modal Close icon
claim successful
Order Page Read Now

Buy this book with your credits?

Modal Close icon
Are you sure you want to buy this book with one of your credits?
Close
YES, BUY