Merge pull request Tikam02#166 from rahulgore7/master

Chef Commands Added

Infrastructure-provisioning/Chef/chef-commands.md

@@ -1 +1,99 @@
-# Chef Commands
+### Install
+
+In your server:
+
+```bash
+$ sudo apt-get install curl
+
+```
+
+```bash
+$ curl -L https://omnitruck.chef.io/install.sh | sudo bash
+Thank you for installing Chef!
+
+```
+
+```bash
+$ chef-solo -v
+...
+Chef: 14.5.33
+```
+
+### Start the cookbook
+
+```bash
+ wget http://github.com/chef-cookbooks/chef-repo/tarball/master -O - | tar xzf - --strip-components=1
+
+```
+
+### Knife
+
+```bash
+$ knife supermarket download mysql
+
+```
+
+### Invoking chef-solo
+
+```bash
+$ chef-solo -c solo.rb -j web.json
+```
+## [](https://devhints.io/chef#examples)Examples
+
+### Simple compile-from-source
+
+```ruby
+execute "tar --no-same-owner -zxf hi.tar.gz" do
+  cwd "/usr/local/src"
+  creates "/usr/local/src/node-v#{version}"
+end
+
+```
+
+```ruby
+bash "compile" do
+  cwd "/usr/local/src/node-v#{version}"
+  code %[
+    PATH=/usr/local/bin:$PATH
+    ./configure
+    make
+  ]
+  creates "/usr/local/src/node-v#{version}/node"
+end
+```
+### Execute
+
+```ruby
+execute "name" do
+  cwd "..."
+  environment({ "PATH" => "..." })
+  command "make install"
+  creates "..."
+end
+```
+### remote file
+
+```ruby
+remote_file "/usr/local/src/hi.tar.gz" do
+  source "http://..."
+  checksum "ab83be..."
+  mode 0644
+  action :create_if_missing
+end
+```
+
+### ruby_block
+
+```ruby
+ruby_block "name" do
+  block { File.read ... }
+  not_if { File.exists?(...) }
+end
+```
+### Conditions
+
+```ruby
+  creates "/usr/local/src/node-v#{version}/node"
+  not_if { File.exists?('...') }
+```
+