xiaoqing jameBoy

## mac java多版本
# Mac下同时安装多个版本的JDK

Mac自带了的JDK6，安装在目录：`/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/`下。

JDK7，JDK8则需要自己到Oracle官网下载安装对应的版本。自己安装的JDK默认路径为：`/Library/Java/JavaVirtualMachines/jdk1.8.0.jdk`

### 1. 在用户目录下的bash配置文件.bashrc中配置JAVA_HOME的路径：

```
export JAVA_6_HOME=/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home

## grafana 条件选择联动
How can I make a Grafana template with a variable reference another variable using Prometheus as a datasource?


With InfluxDB backend you can write e.g.:

SHOW TAG VALUES WITH KEY = "cpu" WHERE service =~ /$service/
where $service is another template variable.


## mongoDao
package dao

import (
	"gopkg.in/mgo.v2/bson"
	"time"
	"gopkg.in/mgo.v2"
	"strings"

	"log"
)

## git拉取远程分支到本地分支或者创建本地新分支
git fetch origin branchname:branchname

可以把远程某各分支拉去到本地的branchname下，如果没有branchname，则会在本地新建branchname


git checkout origin/remoteName -b localName

获取远程分支remoteName 到本地新分支localName，并跳到localName分支

## install_go_tools.sh
#!/usr/bin/env bash
# 免翻墙安装Go tools
branch="release-branch.go1.4"
mkdir -p $GOPATH/src/golang.org/x

git clone -b $branch git@github.com:golang/tools.git $GOPATH/src/golang.org/x/tools
git clone git@github.com:golang/net.git $GOPATH/src/golang.org/x/net

cd $GOPATH
go install golang.org/x/tools/cmd/goimports

## install scala
# 从这里下载scala
http://www.scala-lang.org/download/2.10.4.html
#解压到安装目录，这里我选择安装在/opt下
sudo tar -zxvf scala-2.10.4.tgz
#配置环境变量
sudo vim /etc/profile
#setting scala
export SCALA_HOME=/opt/scala-2.10.4
export PATH=${SCALA_HOME}/bin:$PATH
source /etc/profile

## install kafka
载kafka官网编译好的二进制文件

wget http://apache.fayea.com/kafka/0.8.2.1/kafka_2.10-0.8.2.1.tgz
tar -xzvf kafka_2.10-0.8.2.1.tgz
cd kafka_2.10-0.8.2.1

启动zookeeper

bin/zookeeper-server-start.sh config/zookeeper.properties
启动kafka server

## install zookeeper
获取ZooKeeper安装包
```
下载地址：http://apache.dataguru.cn/zookeeper

选择一个稳定版本进行下载，我这里下载的是zookeeper-3.4.6版本。
wget http://mirrors.sonic.net/apache/zookeeper/zookeeper-3.4.6/zookeeper-3.4.6.tar.gz
```
ZooKeeper伪分布式集群安装

伪分布式集群：在一台Server中，启动多个ZooKeeper的实例。

## awsome-source

      
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## install rar centos7
wget http://www.rarlab.com/rar/rarlinux-3.8.0.tar.gz
tar -zxvf rarlinux-3.8.0.tar.gz
cd rar
su root
make
make install
exit
	# Mac下同时安装多个版本的JDK

	Mac自带了的JDK6，安装在目录：`/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/`下。

	JDK7，JDK8则需要自己到Oracle官网下载安装对应的版本。自己安装的JDK默认路径为：`/Library/Java/JavaVirtualMachines/jdk1.8.0.jdk`

	### 1. 在用户目录下的bash配置文件.bashrc中配置JAVA_HOME的路径：

	```
	export JAVA_6_HOME=/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
	How can I make a Grafana template with a variable reference another variable using Prometheus as a datasource?



	With InfluxDB backend you can write e.g.:

	SHOW TAG VALUES WITH KEY = "cpu" WHERE service =~ /$service/
	where $service is another template variable.
	package dao

	import (
	"gopkg.in/mgo.v2/bson"
	"time"
	"gopkg.in/mgo.v2"
	"strings"

	"log"
	)
	git fetch origin branchname:branchname

	可以把远程某各分支拉去到本地的branchname下，如果没有branchname，则会在本地新建branchname



	git checkout origin/remoteName -b localName

	获取远程分支remoteName 到本地新分支localName，并跳到localName分支
	#!/usr/bin/env bash
	# 免翻墙安装Go tools
	branch="release-branch.go1.4"
	mkdir -p $GOPATH/src/golang.org/x

	git clone -b $branch git@github.com:golang/tools.git $GOPATH/src/golang.org/x/tools
	git clone git@github.com:golang/net.git $GOPATH/src/golang.org/x/net

	cd $GOPATH
	go install golang.org/x/tools/cmd/goimports
	# 从这里下载scala
	http://www.scala-lang.org/download/2.10.4.html
	#解压到安装目录，这里我选择安装在/opt下
	sudo tar -zxvf scala-2.10.4.tgz
	#配置环境变量
	sudo vim /etc/profile
	#setting scala
	export SCALA_HOME=/opt/scala-2.10.4
	export PATH=${SCALA_HOME}/bin:$PATH
	source /etc/profile
	载kafka官网编译好的二进制文件

	wget http://apache.fayea.com/kafka/0.8.2.1/kafka_2.10-0.8.2.1.tgz
	tar -xzvf kafka_2.10-0.8.2.1.tgz
	cd kafka_2.10-0.8.2.1

	启动zookeeper

	bin/zookeeper-server-start.sh config/zookeeper.properties
	启动kafka server
	获取ZooKeeper安装包
	```
	下载地址：http://apache.dataguru.cn/zookeeper

	选择一个稳定版本进行下载，我这里下载的是zookeeper-3.4.6版本。
	wget http://mirrors.sonic.net/apache/zookeeper/zookeeper-3.4.6/zookeeper-3.4.6.tar.gz
	```
	ZooKeeper伪分布式集群安装

	伪分布式集群：在一台Server中，启动多个ZooKeeper的实例。
	wget http://www.rarlab.com/rar/rarlinux-3.8.0.tar.gz
	tar -zxvf rarlinux-3.8.0.tar.gz
	cd rar
	su root
	make
	make install
	exit