daemontools管理fast-fail的zookeeper
daemontools项目：http://cr.yp.to/daemontools.html1.安装daemontools
mkdir /package
chmod 755 /package
cd /package
wget http://cr.yp.to/daemontools/daemontools-0.76.tar.gz
tar zxf daemontools-0.76.tar.gz
cd admin/daemontools-0.76
vim src/error.h 找到：extern int errno; 改成：#include <errno.h>
package/install
2.监控zookeeper
cd /service
mkdir zookeeper
cd zookeeper
vim run
chmod 755 run
run内容如下：
#!/bin/bash
exec 2>&1
exec/root/zookeeper/zookeeper-3.4.5/bin/zkServer.sh start
3.运行supervise
nohup supervise /service/zookeeper &
4.实验
kill 马上一个新的zookeeper进程就出现了，enjoy it
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