Zhiguang Wang zhiguangwang

Common OpenSSL Commands with Keys and Certificates

Generate RSA private key (2048 bit)

openssl genrsa -out private.pem 2048

Generate a Certificate Signing Request (CSR)

openssl req -sha256 -new -key private.pem -out csr.pem

Use the --ignore-application-stop-failures option with the AWS CLI tool while doing the deployment:

aws deploy create-deployment --application-name APPLICATION --deployment-group-name GROUP --ignore-application-stop-failures --s3-location bundleType=tar,bucket=BUCKET,key=KEY --description "Ignore ApplicationStop failures due to broken script"

wget --header "Cookie: oraclelicense=accept-securebackup-cookie" [DOWNLOAD-URL]

Example: download JDK 8u66 for Mac OS X

wget --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u66-b17/jdk-8u66-macosx-x64.dmg

Websockets behind AWS ELB

Nginx

See Configuring NGINX to accept the PROXY Protocol - NGINX

upstream wsserver {
    server 127.0.0.1:9000;
}

Manage SSL Certificates for Mono with Certificate Manager

For more details, see certmgr.

Note for commands to work, certificate must be in DER format.

Valid certificate store names are:

Trust (ROOT CA)
CA (Intermediate CA)

##Desired file hierarchy

Run mvn clean package expects the following layouts:

target folder layout

target
├── ${project.artifactId}-${project.version}
│   ├── lib

│ │ ├── jersey-bean-validation-2.22.1.jar

aws elasticbeanstalk update-environment \
    --environment-name [environment-name] \

--option-settings \ Namespace=aws:elb:policies,OptionName=ConnectionSettingIdleTimeout,Value=[timeout-seconds]

Add shell scripts

Add the following scripts under /etc/ppp/ (requires root privilege):

common

#!/bin/sh

# add/delete route only if device is in a specific intranet IP address block,

Installing and running shadowsocks on Ubuntu Server

16.10 yakkety and above

Install the the shadowsocks-libev package from apt repository.
```
 sudo apt update
 sudo apt install shadowsocks-libev
```
Save ss.json as /etc/shadowsocks-libev/config.json.

	#pragma mark - GameKit related stuff

	// See documentation:
	// https://developer.apple.com/library/ios/documentation/NetworkingInternet/Conceptual/GameKit_Guide/Users/Users.html#//apple_ref/doc/uid/TP40008304-CH8-SW17

	// Call this method in (void)viewDidAppear:(BOOL)animated
	- (void) authenticateLocalPlayer {
	[GKLocalPlayer localPlayer].authenticateHandler = ^(UIViewController viewController, NSError error) {
	if (viewController != nil) {
	[self showAuthenticationDialog: viewController];