Adding some range request examples

chrisguest75 · Nov 27, 2023 · f7643a1 · f7643a1
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diff --git a/33_awscli/CLOUDFRONT.md b/33_awscli/CLOUDFRONT.md
@@ -69,6 +69,24 @@ aws --no-cli-pager cloudfront list-distributions | jq '.DistributionList.Items[]
 aws --no-cli-pager cloudfront list-distributions | jq '.DistributionList.Items[2].Origins.Items[]'
 ```
 
+## Range Requests
+
+NOTE: `content-length` will be the full length of the binary.  
+
+```sh
+# 1mb file
+dd if=/dev/urandom of=random.bin bs=1024 count=1024
+# upload to bucket
+aws s3 cp ./random.bin s3://mybucket/random.bin
+# pull a range of data
+curl -s -H "Range: bytes=32-195" http://mybucket.s3-website-eu-west-1.am
+azonaws.com/random.bin | xxd
+# find distribution
+aws --no-cli-pager cloudfront list-distributions | jq '.DistributionList.Items[] | [.DomainName, .Origins.Items[].DomainName ]'
+# pull a range through cloudfront
+curl -s -H "Range: bytes=32-195" http://mydistribution.cloudfront.net/random.bin | xxd
+```
+
 ## Resources
 
 * Force CloudFront distribution/file update [here](https://stackoverflow.com/questions/1268158/force-cloudfront-distribution-file-update)

diff --git a/61_curl/README.md b/61_curl/README.md
@@ -137,10 +137,20 @@ curl -H "Content-Type: application/json" -X POST -d '{"user":"bob","pass":"123"}
 curl -vvvv -L http://0.0.0.0:8080/podinfo     
 ```
 
+### Range Requests
+
+NOTE: `content-length` will be the full length of the binary.  
+
+```sh
+# request a stream of bytes. 
+curl -s -H "Range: bytes=32-195" "http://mysite.com/random.bin" | xxd
+```
+
 ## Resources
 
 * stefanprodan/podinfo [repo](https://github.com/stefanprodan/podinfo)  
 * Avoiding the Top 10 NGINX Configuration Mistakes [here](https://www.nginx.com/blog/avoiding-top-10-nginx-configuration-mistakes/#analyzer)
 * Installing NGINX Open Source [here](https://docs.nginx.com/nginx/admin-guide/installing-nginx/installing-nginx-open-source)
 * nginx documentation [here](https://nginx.org/en/docs/)  
 * How To Create Temporary and Permanent Redirects with Nginx [here](https://www.digitalocean.com/community/tutorials/how-to-create-temporary-and-permanent-redirects-with-nginx)  
+* HTTP range requests [here](https://developer.mozilla.org/en-US/docs/Web/HTTP/Range_requests)  
diff --git a/62_binary_files/README.md b/62_binary_files/README.md
@@ -7,6 +7,7 @@ Working with binary files in shell.
 TODO:
 
 * hexdump, hexfiend, fq
+* how can I create a file of little endian incrementing 16bit words? 
 
 ## VSCode