ernestas-poskus · March 5, 2019 11:50 · Oct 15, 2014 · Oct 15, 2014
diff --git a/knife cheat b/knife cheat
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+# knife cheat
+
+## Search Examples
+
+	knife search "name:ip*" 
+	knife search "platform:ubuntu*"
+	knife search "platform:*" -a macaddress
+	knife search "platform:ubuntu*" -a uptime
+	knife search "platform:ubuntu*" -a virtualization.system
+	knife search "platform:ubuntu*" -a network.default_gateway
+	knife search "platform:*" -a languages.ruby.version
+	knife search "platform:*" -a kernel.machine
+	knife search users "groups:admin" -i
+	knife role list
+
+## SSH Examples
+
+	knife ssh "name:arlo*" -x root -P PASSWORD uptime
+	knife ssh "NOT platform:win*" -P PASSWORD ls
+	knife ssh "chef_environment:Helix-Uptime-VM and NOT platform:win*" \
+		-x root -P PASSWORD uptime
+
+##Chef Client
+
+How do I automatically bootstrap a linux box?
+
+	knife bootstrap 10.0.0.2 -N www.racter.com -x root -P PASSWORD
+
+How do I make the chef client run so it will apply my new recipes?
+
+	knife winrm "platform:windows" -P PASSWORD chef-client
+	knife ssh "NOT platform:win*" -x root -P PASSWORD chef-client
+
+How do I make sure the chef client on the nodes is calling home?
+
+	knife cookbook site install chef-client
+	knife cookbook upload chef-client
+	knife node run_list add NODENAME 'recipe[chef-client]'
+
+##Cookbooks
+
+How do I create a new cookbook?
+
+	cd ~/chef-repo
+	rake new_cookbook COOKBOOK=MyNew-Controller
+
+How do I upload my new cookbook to the chef server so I can use it?
+
+	knife cookbook upload <cookbookname> –include-dependencies
+
+How do I download existing recipes from the Chef Community?
+
+	knife cookbook site install awsclient
+
+How do I add a new recipe to every node?
+
+	knife exec -E "nodes.transform(“chef_environment:dev“) \
+		{|n| puts n.run_list.remove(“recipe[chef-client::upgrade]“); n.save }"
+
+
+
+	knife exec -E "nodes.find(“role:web_server”) \
+		{|n| n.run_list.remove(“role[web_server]“); }"
+	knife exec -E "nodes.find(“name:test*”) \
+		{|n| n.chef_environment(“dev”);n.save }"
+
+
+
+How do I download the recipes, environments, nodes and everything that is already uploaded to the chef server?
+
+	knife download /
+
+##EC2
+
+How do I launch a new server into the amazon cloud?
+
+	knife ec2 server create -I ami-d0f89fb9 -x ubuntu \
+		-E My-PreProduction-Env -r “role[BuildServer]” -g sg-d5d417be
+
+How do I shut down a old server in the amazon cloud?
+
+	knife ec2 server delete i-234a334 –purge
+
+
+
+###Nodes
+
+How do I move nodes between environments?
+
+	#Move all the nodes in _default environment to the production-VM environment
+
+	knife exec -E "nodes.transform(“chef_environment:_default”) \
+		{ |n| n.chef_environment(“production-VM”) }"
+
+Remove a recipe from all nodes in an Environment
+
+	knife exec -E "nodes.transform(“chef_environment:dev”) \ 
+		{|n| puts n.run_list.remove(“recipe[chef-client::upgrade]“); n.save }"
+
+
+
+#Roles
+
+How do I add a Linux role to all the boxes that are not window?
+
+	knife exec -E "nodes.transform(“NOT platform:win*“) \
+		{|n| puts n.run_list << “role[linux]“; n.save }"
+
+How do I remove a Linux role from all the boxes that are not windows?
+
+	knife exec -E "nodes.transform(“NOT platform:win*“) \
+		{|n| puts n.run_list.remove(“role[linux]“); n.save }"
+
+Remove all nodes from a given role
+
+	knife exec -E "nodes.find(“role:web_server”) \
+		{|n| n.run_list.remove(“role[web_server]“); n.save}"
+
+
+
+How do I add a role to an environment?
+
+	knife exec -E 'nodes.transform("chef_environment:my-production-env") \
+		{|n| puts n.run_list << "role[hosts_file]"; n.save }'