rollback

.gitignore

@@ -1,3 +1 @@
-_site
-.sass-cache
-.jekyll-metadata
+.DS_Store

_posts/2017-02-15-Alway-show-an-Intent-chooser.md → Android/Alway-show-an-Intent-chooser.md

@@ -1,11 +1,4 @@
----
-layout: post
-title:  "Alway show an Intent chooser"
-date:   2017-02-15 8:37:00 +1000
-categories: android
-tags: android
----
-
+# Alway show an `Intent` chooser
 
 If you want to alway show a chooser dialog, you can create `Intent` using `createChooser()`
 

_posts/2017-9-8-Use-Dagger2-for-DI.md → Android/Use-Dagger2-for-DI.md

@@ -1,10 +1,4 @@
----
-layout: post
-title:  "Use Dagger 2 for dependency injection"
-date:   2017-09-8 8:37:00 +1000
-categories: android
-tags: android
----
+# Use Dagger 2 for dependency injection
 
 This quote is from Google
 >Dependency injection frameworks can simplify the code you write and provide an adaptive environment that's useful for testing and other configuration changes.

Android/enable-emulator-keyboard.md

@@ -0,0 +1,3 @@
+# Enable Android emulator keyboard
+
+[https://stackoverflow.com/a/30327728](https://stackoverflow.com/a/30327728)

_posts/2017-9-7-gradle-daemon-error.md → Android/gradle-daemon-error.md

@@ -1,10 +1,4 @@
----
-layout: post
-title:  "Gradle damon error"
-date:   2017-09-7 8:37:00 +1000
-categories: android
-tags: android
----
+# Gradle damon error
 
 You can solve the below issue by adding `org.gradle.jvmargs=-Xmx1024m` in `gradle.properties` file.
 

Cloud/aws-ec2-disk-full.md

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+# Amazon EC2 - disk full
+
+When you run `df`, the output is `/dev/xvda1    100%   /`. It means the disk space is full. You can use the following command to find big size files.
+
+```
+  sudo find / -type f -size +100M -exec ls -lh {} \;
+```
+
+Reference:[http://stackoverflow.com/questions/20031604/amazon-ec2-disk-full](http://stackoverflow.com/questions/20031604/amazon-ec2-disk-full)  

Cloud/aws-lambda-read-config-file.md

@@ -0,0 +1,18 @@
+# AWS lambda Java read config file
+
+1. Put the config file under `src/main/resources`
+
+2. Read the config file using the code below
+
+```java
+InputStream is = WobCredentials.class.getResourceAsStream(serviceAccountPrivateKeyPath);
+        String content = convertStreamToString(is);
+        JSONObject privateKeyJson = new JSONObject(content);
+
+  String convertStreamToString(java.io.InputStream is) {
+        java.util.Scanner s = new java.util.Scanner(is).useDelimiter("\\A");
+        return s.hasNext() ? s.next() : "";
+    }
+```  
+
+Reference: [https://stackoverflow.com/questions/35356200/how-to-load-property-file-from-classpath-in-aws-lambda-java](https://stackoverflow.com/questions/35356200/how-to-load-property-file-from-classpath-in-aws-lambda-java)          

Cloud/aws-policy-generator.md

@@ -0,0 +1,7 @@
+# AWS Policy generator
+
+[AWS Policy generator](https://awspolicygen.s3.amazonaws.com/policygen.html)
+
+
+[IAM policy simulator](https://policysim.aws.amazon.com)
+

Cloud/serverless-commands.md

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+# Some userful serverless commands
+
+* `sls invoke local -f funcName`
+
+* `sls deploy -f funcName` 
+
+* `sls offline start`
+
+* `sls dynamodb install`
+
+* `sls deploy --aws-profile profileName`
+

Cloud/serverless-function-6-seconds-timeout.md

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+# Serverless function 6 seconds timeout
+
+Serverless set a Lamdba function timeout to 6.00 seconds, If you didn't write timeout statement in serverless.yml.
+
+
+```yml
+# serverless.yml
+service: myService
+
+provider:
+  name: aws
+  runtime: nodejs6.10
+  memorySize: 512 # optional, in MB, default is 1024
+  timeout: 10 # optional, in seconds, default is 6
+  versionFunctions: false # optional, default is true
+
+functions:
+  hello:
+    handler: handler.hello # required, handler set in AWS Lambda
+    name: ${self:provider.stage}-lambdaName # optional, Deployed Lambda name
+    description: Description of what the lambda function does # optional, Description to publish to AWS
+    runtime: python2.7 # optional overwrite, default is provider runtime
+    memorySize: 512 # optional, in MB, default is 1024
+    timeout: 10 # optional, in seconds, default is 6
+```
+
+Reference: [https://github.com/serverless/serverless/issues/2640](https://github.com/serverless/serverless/issues/2640)
+

Cloud/serverless-s3-exits-error.md

@@ -0,0 +1,25 @@
+# Serverless S3 bucket exists error
+
+To solve this issue there are two steps:
+
+1. remove s3 reference from events
+2. add CORS configruation as below:
+
+   ```yaml
+     resources:
+       Resources:
+         S3BucketMyBucket:
+           Type: AWS::S3::Bucket
+           Properties:
+             BucketName: bucketname-${self:provider.stage}
+             CorsConfiguration:
+               CorsRules:
+                 - AllowedHeaders:
+                     - "*"
+                   AllowedMethods:
+                     - GET
+                     - POST
+                     - PUT
+                   AllowedOrigins:
+                     - "*"
+   ```

Docker/Docker-insecure-registry.md

@@ -0,0 +1,3 @@
+# Docker insecure registry
+
+[Test an insecure registry](https://docs.docker.com/registry/insecure/)

Docker/Docker.qcow2-disk-space-issue-on-Mac.md

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+# Docker.qcow2 disk space issue on Mac
+
+I found `Docker.qcow2` uses 28G on my mac. I solve this issue using the commands below.
+
+```script
+     docker rm $(docker ps -a -q)
+     docker rmi $(docker images -q)
+     docker volume rm $(docker volume ls |awk '{print $2}')
+     rm -rf ~/Library/Containers/com.docker.docker/Data/*
+```
+
+Reference: [https://github.com/docker/for-mac/issues/371](https://github.com/docker/for-mac/issues/371)

Docker/Manage-different-docker-versions.md

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+# Manage different docker versions
+
+When you try to manage different docker container using docker-machine, it is impossible to manage them on one machine as those docker demons may have different docker versions. One solution is to use one docker container to manage one docker version containers.
+
+1. Get a docker container from docker hub
+
+    `docker run --name mysites  -it nootfly/ubuntu_docker`
+
+2. Install specific version docker:[Reference](https://docs.docker.com/engine/installation/linux/ubuntulinux/)
+
+    `sudo apt-get install docker-engine=1.12.0-0~xenial`

Docker/Move-docker-machine-config.md

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+# Move docker-machine config to another machine
+
+1. Move `~/.docker/machine` directory to another machine's the same directory
+
+2. Update all machine's `config.json` files under `~/.docker/machine/machines/`, the purpose is to update ssh key and cert path.

Docker/docker-commands.md

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+# docker commands
+
+* run a ubuntu image
+
+   `docker run -i -t ubuntu /bin/bash`
+
+* go into a running container
+
+    `docker exec -i -t containerName /bin/bash`
+
+* resolve "The default lines below are for a sh/bash shell, you can specify the shell you're using, with the --shell flag." error to use this command
+
+    `eval $(docker-machine env docker-sandbox --shell bash)`
+
+* create a volume
+
+   `docker run --name mysites -v /Users/noot/docker/data:/data -it nootfly/docker1.1.2`
+
+* commit a container
+
+   `docker commit 1ff9c95fdc30 nootfly/docker1.1.2`
+
+* docker-machine configures at the start of each shell session
+
+  `eval $(docker-machine env docker-sandbox)`
+
+* docker saves an image to a tar
+
+   `docker save -o ~/container1.tar container1`
+
+* docker recovery an image from a tar
+
+   `docker load -i /root/container1.tar`
+
+* rename docker container
+
+   `docker rename CONTAINER NEW_NAME`
+
+* copy files from the container to the host  
+
+   `docker cp <containerId>:/file/path/within/container /host/path/target`
+
+* [Removing Docker containers and images](https://zaiste.net/posts/removing_docker_containers/)    

Docker/docker-compose-node-link-mongo.md

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+# docker-compose node link mongo
+
+1. Create a `Dockerfile`
+
+   ```
+   FROM node:6.9.4-alpine
+   ADD . /usr/src/app
+   WORKDIR /usr/src/app
+   RUN npm install
+   CMD ["npm", "start"]  
+   ```
+2. Create `docker-compose.yaml`, and pay attention to the service names which should not include `_`.
+
+   ```
+   version: '2.1'
+   services:
+    mongodbservice:
+     container_name: mongo
+     image: mongo
+     ports:
+       - "27017:27017"
+     volumes:
+       - ./db:/data/db
+    web:
+     container_name: web
+     build: .
+     depends_on:
+        - mongodbservice
+     volumes:
+        - ./:/usr/src/app
+     links:
+       - mongodbservice
+     ports:
+       - "3000:3000"
+   ```
+3. In code, use the correct mongodb URL
+
+   `let mongodb = mongojs('mongodb://mongodbservice:27017/Test', ['test']);`

Docker/nginx-log-conf.md

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+# Docker nginx log configuration
+
+If you use ```nginx``` docker offical image, the nginx logs point to ```stderr``` and ```stdout```. You need to keep logs into different files, otherwise the logs won't be saved. For example:
+
+```
+http {
+  access_log /var/log/nginx/access1.log;
+  error_log /var/log/nginx/error1.log;
+}
+```

Docker/sudo-docker.md

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+# sudo docker
+
+how to remove sudo
+
+http://askubuntu.com/questions/477551/how-can-i-use-docker-without-sudo