kubernetes x509 not signed by a valid certificate authority

 If just doing tests, you can modify config file under the desired cluster

- cluster:

    insecure-skip-tls-verify

Cloudfront with public S3 bucket

 Use OAI so not all object are public in the bucket:

https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/private-content-restricting-access-to-s3.html

vi: stay at matching result after escape

 set cpoptions+=x

Mac Big Sur change shell

example:  chsh -s /bin/bash

Mac Switch java version (between jdk 11 and 1.8)

 /usr/libexec/java_home -V

export JAVA_HOME=`/usr/libexec/java_home -v 1.8`

ERR_CLEARTEXT_NOT_PERMITTED in debug app on Android ionic

 add android:usesCleartextTraffic="true" to platforms/android/app/src/main/AndroidManifest.xml




ionic io issue blank screen error cross origin request are only supported for http://

Error: ionic ios WKWebView:  cross origin request are only supported for http:// 

Solution: cordova plugin add cordova-plugin-wkwebview-file-xhr