kafka 配置 kerberos

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jowvid 2024-09-06 00:00:36

文章标签 kafka 配置 kerberos linux hadoop centos zookeeper 文章分类 架构后端开发

1.清理垃圾

[root@hadoop201 ~]# rm -rf anaconda-ks.cfg install.log install.log.syslog

2.选中“克隆虚拟机”：“右键→管理→克隆”
弹窗：
（1）下一步
（2）克隆自：虚拟机中的当前状态
（3）创建完整克隆
（4）虚拟机命名，选择存储位置
（5）完成

3.配置IP

（1）获取地址：vi /etc/udev/rules.d/70-persistent-net.rules
 删除第一个eth0，改第二个eth0为eth1
 SUBSYSTEM==“net”, ACTION==“add”, DRIVERS=="?", ATTR{address}“00:0c:29:2e:99:a1”, ATTR{type}“1”, KERNEL=="eth", NAME==“eth0”
 ~
 208：“00:0c:29:2e:99:a1”
 209：“00:0c:29:78:4f:3f”
 （2）修改本机IP：vi /etc/sysconfig/network-scripts/ifcfg-eth0
 DEVICE=eth0
 HWADDR=00:0c:29:b9:4d:21
 TYPE=Ethernet
 UUID=73c15477-5d31-4956-8be7-2809e1d204db
 ONBOOT=yes
 NM_CONTROLLED=yes
 BOOTPROTO=staticIPADDR=192.168.1.208
 GATEWAY=192.168.1.3
 DNS1=192.168.1.3
 （3）配置主机名
 |- 当前主机名：hostname
 hadoop206.cevent.com
 |- 修改网络主机配置：vi /etc/sysconfig/network
 NETWORKING=yes
 HOSTNAME=hadoop208.cevent.com
 |- 修改主机配置：vi /etc/hosts
 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
 192.168.1.201 hadoop201.cevent.com
 192.168.1.202 hadoop202.cevent.com
 192.168.1.203 hadoop203.cevent.com
 192.168.1.204 hadoop204.cevent.com
 192.168.1.205 hadoop205.cevent.com
 192.168.1.206 hadoop206.cevent.com
 192.168.1.207 hadoop207.cevent.com
 192.168.1.208 hadoop208.cevent.com
 192.168.1.209 hadoop209.cevent.com

4.重启生效
（1）sync
（2）reboot

5.登录报错，修改hosts
路径：C:\Windows\System32\drivers\etc\hosts

Copyright © 1993-2009 Microsoft Corp.
This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
This file contains the mappings of IP addresses to host names. Each
entry should be kept on an individual line. The IP address should
be placed in the first column followed by the corresponding host name.
The IP address and the host name should be separated by at least one
space.
Additionally, comments (such as these) may be inserted on individual
lines or following the machine name denoted by a ‘#’ symbol.
For example:
102.54.94.97 rhino.acme.com # source server
38.25.63.10 x.acme.com # x client host
localhost name resolution is handled within DNS itself.
127.0.0.1 localhost
::1 localhost
127.0.0.1 www.vmix.com
 192.30.253.112 github.com
 151.101.88.249 github.global.ssl.fastly.net
 127.0.0.1 www.xmind.net
 192.168.1.201 hadoop201.cevent.com
 192.168.1.202 hadoop202.cevent.com
 192.168.1.203 hadoop203.cevent.com
 192.168.1.204 hadoop204.cevent.com
 192.168.1.205 hadoop205.cevent.com
 192.168.1.206 hadoop206.cevent.com
 192.168.1.207 hadoop207.cevent.com
 192.168.1.208 hadoop208.cevent.com
 192.168.1.209 hadoop209.cevent.com
 192.168.1.1 windows10.microdone.cn6.ssh登录报错：
 [cevent@hadoop207 ~]$ sudo ssh hadoop209.cevent.com
 [sudo] password for cevent:
 ssh: Could not resolve hostname hadoop209.cevent.com: Name or service not known修改hosts： vi /etc/hosts
 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
 192.168.1.201 hadoop201.cevent.com
 192.168.1.202 hadoop202.cevent.com
 192.168.1.203 hadoop203.cevent.com
 192.168.1.204 hadoop204.cevent.com
 192.168.1.205 hadoop205.cevent.com
 192.168.1.206 hadoop206.cevent.com
 192.168.1.207 hadoop207.cevent.com
 192.168.1.208 hadoop208.cevent.com
 192.168.1.209 hadoop209.cevent.com7.无秘钥登录
 （1）ssh登录A
 [cevent@hadoop207 .ssh]$ ssh hadoop208.cevent.com
 The authenticity of host ‘hadoop208.cevent.com (192.168.1.208)’ can’t be established.
 RSA key fingerprint is fe:07:91:9c:00:5d:09:2c:48:bb:d5:53:9f:09:6c:34.
 Are you sure you want to continue connecting (yes/no)? yes
 Warning: Permanently added ‘hadoop208.cevent.com,192.168.1.208’ (RSA) to the list of known hosts.
 cevent@hadoop208.cevent.com’s password:
 Last login: Mon Jun 15 16:06:58 2020 from 192.168.1.1
 [cevent@hadoop208 ~]$ exit
 logout
 （2）ssh登录B
 [cevent@hadoop207 ~]$ ssh hadoop209.cevent.com
 The authenticity of host ‘hadoop209.cevent.com (192.168.1.209)’ can’t be established.
 RSA key fingerprint is fe:07:91:9c:00:5d:09:2c:48:bb:d5:53:9f:09:6c:34.
 Are you sure you want to continue connecting (yes/no)? yes
 Warning: Permanently added ‘hadoop209.cevent.com,192.168.1.209’ (RSA) to the list of known hosts.
 cevent@hadoop209.cevent.com’s password:
 Last login: Mon Jun 15 17:01:11 2020 from 192.168.1.1
 [cevent@hadoop209 ~]$ exit
 logout
 （3）查看登录记录
 [cevent@hadoop207 ~]$ cd
 [cevent@hadoop207 ~]$ ls -al
 总用量 188
 drwx------. 26 cevent cevent 4096 6月 15 17:03 .
 drwxr-xr-x. 3 root root 4096 4月 30 09:15 …
 drwxrwxr-x. 2 cevent cevent 4096 5月 7 10:43 .abrt
 -rw-------. 1 cevent cevent 17232 6月 15 17:05 .bash_history
 -rw-r–r--. 1 cevent cevent 18 5月 11 2016 .bash_logout
 -rw-r–r--. 1 cevent cevent 176 5月 11 2016 .bash_profile
 -rw-r–r--. 1 cevent cevent 124 5月 11 2016 .bashrc
 drwxrwxr-x. 2 cevent cevent 4096 5月 7 17:32 .beeline
 drwxr-xr-x. 3 cevent cevent 4096 5月 7 10:43 .cache
 drwxr-xr-x. 5 cevent cevent 4096 5月 7 10:43 .config
 drwx------. 3 cevent cevent 4096 5月 7 10:43 .dbus
 -rw-------. 1 cevent cevent 16 5月 7 10:43 .esd_auth
 drwx------. 4 cevent cevent 4096 6月 14 22:13 .gconf
 drwx------. 2 cevent cevent 4096 6月 14 23:14 .gconfd
 drwxr-xr-x. 5 cevent cevent 4096 5月 7 10:43 .gnome2
 drwxrwxr-x. 3 cevent cevent 4096 5月 7 10:43 .gnote
 drwx------. 2 cevent cevent 4096 6月 14 22:13 .gnupg
 -rw-rw-r–. 1 cevent cevent 195 6月 14 22:13 .gtk-bookmarks
 drwx------. 2 cevent cevent 4096 5月 7 10:43 .gvfs
 -rw-rw-r–. 1 cevent cevent 589 6月 12 13:42 .hivehistory
 -rw-------. 1 cevent cevent 620 6月 14 22:13 .ICEauthority
 -rw-r–r--. 1 cevent cevent 874 6月 14 23:14 .imsettings.log
 drwxr-xr-x. 3 cevent cevent 4096 5月 7 10:43 .local
 drwxr-xr-x. 4 cevent cevent 4096 3月 13 01:51 .mozilla
 -rw-------. 1 cevent cevent 214 5月 7 13:37 .mysql_history
 drwxr-xr-x. 2 cevent cevent 4096 5月 7 10:43 .nautilus
 drwx------. 2 cevent cevent 4096 5月 7 10:43 .pulse
 -rw-------. 1 cevent cevent 256 5月 7 10:43 .pulse-cookie
 drwx------. 2 cevent cevent 4096 4月 30 15:20 .ssh
 …
 [cevent@hadoop207 ~]$ cd .ssh/
 [cevent@hadoop207 .ssh]$ ll
 总用量 16
 -rw-------. 1 cevent cevent 409 4月 30 15:20 authorized_keys
 -rw-------. 1 cevent cevent 1675 4月 30 15:20 id_rsa
 -rw-r–r--. 1 cevent cevent 409 4月 30 15:20 id_rsa.pub
 -rw-r–r--. 1 cevent cevent 832 6月 15 17:08 known_hosts
 查看登录记录
 [cevent@hadoop207 .ssh]$ vi known_hosts（5）生成ssh-key
 [cevent@hadoop207 .ssh]$ ssh-keygen -t rsa
 Generating public/private rsa key pair.
 Enter file in which to save the key (/home/cevent/.ssh/id_rsa): cevent
 Enter passphrase (empty for no passphrase):
 Enter same passphrase again:
 Your identification has been saved in cevent.
 Your public key has been saved in cevent.pub.
 The key fingerprint is:
 1c:5a:1a:d2:e4:3b:fe:36:39:df:95:b3:75:85:0f:af cevent@hadoop207.cevent.com
 The key’s randomart image is:
 ±-[ RSA 2048]----+
 | . |
 | + |
 | . + o |
 | . B . . |
 | = S o .|
 | . . =.|
 | . . + =|
 | .= . . =.|
 | …+. . E |
 ±----------------+
 （6）复制key-id
 [cevent@hadoop207 .ssh]$ ssh-copy-id hadoop208.cevent.com
 [cevent@hadoop207 .ssh]$ ssh-copy-id hadoop209.cevent.com
 （7）测试ssh
 [cevent@hadoop207 .ssh]$ ssh hadoop208.cevent.com
 Last login: Mon Jun 15 18:23:00 2020 from hadoop207.cevent.com
 [cevent@hadoop208 ~]$ exit
 logout
 Connection to hadoop208.cevent.com closed.
 [cevent@hadoop207 .ssh]$ ssh hadoop209.cevent.com
 Last login: Mon Jun 15 17:08:11 2020 from hadoop207.cevent.com
 [cevent@hadoop209 ~]$ exit
 logout8.查看其他虚拟机无秘钥登录
 [cevent@hadoop208 ~]$ cd
 [cevent@hadoop208 ~]$ ls -al
 [cevent@hadoop208 ~]$ cd .ssh/
 [cevent@hadoop208 .ssh]$ ll
 总用量 8
 -rw-------. 1 cevent cevent 818 6月 15 18:24 authorized_keys
 -rw-r–r--. 1 cevent cevent 1664 6月 16 17:56 known_hosts
 [cevent@hadoop208 .ssh]$ vi authorized_keys
 ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAyRWmouFLr4b6orfQrWqtlukJ1orkeYcqM6orH1JMOMo1BLYY/Bop2ZIAHahUxGgUdRlZ5mFkGHut1A7h/VdGLBdegyZXQwxwl6Cx67XIsQWRwUgZWXbujg+qV9irPE7WvxF5e3FvJGfbmh7boPk+q/Hsk6rgZ3k9qrEDx4vhv7eL+Ostt2D8tV4UbRReUNl3yI9bt4P/S7ARBpelFtB4p9drbGSxjtH0sNKBHiDAcAV+MOSLz21+WlYr2x58jAZc37UXi/qYfosgc+u5GJ88z/kEI+1YqXBX11FFiRWZcI2aiLweri5WtHH0hoEZGrTXBeShuWQzegx9/E0upPlsfw== cevent@hadoop202.cevent.com
 ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA0Fe9XV0baD7RPiGkIf+ZMoMPOaCF445aAvaJdGt8wuegkxJjqPMTAop79xcA7AY/vFS7PjpllM162t/lVoCozGHK1iOfElObiLo6+pxBcwfVYnEUlzAz/L0Ngpss54Eb48xOq068gcKcDAZrNbdtxDkTgzHFttcWpB7j++gRXrfB9O9HxKcRObu16sBM8tLmLF4M+tvxTC/Ko/amnrOvi3/AyCtxH1sRumqUiu9buDJAFAgV1Y+s7CR7GORGIkDkmHr9e3O5UMpNXTgnfIaCPdNzn6qRTUM/Sb5KAkkMBb3MY5NgbOPDvFwkPlG8xcFS5Ua8Arq58n8kwa2dyy94kQ== cevent@hadoop207.cevent.com9.rsync同步文件测试
 （1）新建文件
 [cevent@hadoop207 module]$ vim rsync.txt
 kakaxi
 （2）执行同步
 [cevent@hadoop207 module]$ rsync -rvl rsync.txt cevent@hadoop208.cevent.com:/opt/module/10.xsync同步任务文件
 （1）在/usr/local/bin目录下创建xsync文件，文件内容如下：
 #!/bin/bash
 #1 获取输入参数的个数，如果没有参数，直接退出,KaTeX parse error: Expected 'EOF', got '#' at position 1: #̲获取参数个数 pcount=#
 if((pcount==0)); then
 #如果没有参数，返回no args,退出,程序关闭
 echo no args;
 exit;
 fi#2 获取文件名称:$1获取第一个参数,basename+ 路径1/路径2，获取路径最后一个值名称
 p1=$1
 fname=basename $p1 echo fname=$fname#3 获取上级目录到:绝对路径
 #获取文件路径:$(dirname $p1)
 #cd -P 进入绝对路径 pwd获取路径
 pdir=cd -P $(dirname $p1); pwd echo pdir=$pdir#4 获取当前用户名称
 user=whoami#5 循环
 for((host=207; host<210; host++)); do
 #echo fname host:host.cevent.com ----------------
 #拼接路径用户
 rsync -rvl fname host.cevent.com:$pdir
 done（2）测试同步，默认同步在相同路径下
 [cevent@hadoop207 module]$ vim xsync.txt
 this is a xsync test![cevent@hadoop207 module]$ xsync xsync.txt
 fname=xsync.txt
 pdir=/opt/module
 --------------- hadoop207.cevent.com ----------------
 sending incremental file listsent 32 bytes received 12 bytes 29.33 bytes/sec
 total size is 23 speedup is 0.52
 --------------- hadoop208.cevent.com ----------------
 sending incremental file list
 xsync.txtsent 98 bytes received 31 bytes 258.00 bytes/sec
 total size is 23 speedup is 0.18
 --------------- hadoop209.cevent.com ----------------
 sending incremental file list
 xsync.txtsent 98 bytes received 31 bytes 258.00 bytes/sec
 total size is 23 speedup is 0.1811.xcall脚本，所有主机同时执行命令
 （1）在/usr/local/bin目录下创建xcall文件，文件内容如下：
 #!/bin/bash
 #KaTeX parse error: Expected 'EOF', got '#' at position 1: #̲获取参数个数 #@ 获取所有参数
 pcount=$#
 if((pcount==0));then
 echo no args;
 exit;
 fiecho -------------localhost.cevent.com----------
host.cevent.com---------
 ssh hadoop$host.cevent.com $@
 done（2）修改脚本 xcall 具有执行权限
 [cevent@hadoop207 bin]$ sudo chmod a+x xcall
 [cevent@hadoop207 bin]$ xcall rm -rf /opt/module/rsync.txt
 -------------localhost.cevent.com----------
 ----------hadoop207.cevent.com---------
 ----------hadoop208.cevent.com---------
 ----------hadoop209.cevent.com---------12.core-site.xml配置
[cevent@hadoop207 ~]$ cat /opt/module/hadoop-2.7.2/etc/hadoop/core-site.xml
 <?xml versinotallow="1.0" encoding="UTF-8"?> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?> 
 
 
 fs.defaultFS hdfs://hadoop207.cevent.com:8020 
<!-- 指定tmp数据存储位置 -->
    <property>
            <name>hadoop.tmp.dir</name>
            <value>/opt/module/hadoop-2.7.2/data/tmp</value>
    </property>13.hdfs-site.xml配置
[cevent@hadoop207 ~]$ cat /opt/module/hadoop-2.7.2/etc/hadoop/hdfs-site.xml
 <?xml version="1.0" encoding="UTF-8"?> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?> 
 
 
 dfs.replication 1 
<property>
            <name>dfs.namenode.secondary.http-address</name>
            <value>hadoop207.cevent.com:50090</value>
    </property>14.slaves配置
[cevent@hadoop207 ~]$ vim /opt/module/hadoop-2.7.2/etc/hadoop/slaves
 hadoop207.cevent.com
 hadoop208.cevent.com
 hadoop209.cevent.com15.yarn-site.xml
[cevent@hadoop207 ~]$ cat /opt/module/hadoop-2.7.2/etc/hadoop/yarn-site.xml
 <?xml version="1.0"?> 
 
<!-- Site specific YARN configuration properties --> 
 yarn.nodemanager.aux-services mapreduce_shuffle 
 yarn.resourcemanager.hostname hadoop207.cevent.com 
16.mapred-site.xml配置
[cevent@hadoop207 ~]$ cat /opt/module/hadoop-2.7.2/etc/hadoop/mapred-site.xml
 <?xml version="1.0"?> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?> 
 
 
 mapreduce.framework.name yarn 
17.同步xsync+xcall测试
 [cevent@hadoop207 module]$ xsync hadoop-2.7.2/
 [cevent@hadoop207 module]$ xcall cat /opt/module/hadoop-2.7.2/etc/hadoop/slaves
 -------------localhost.cevent.com----------
 hadoop207.cevent.com
 hadoop208.cevent.com
 hadoop209.cevent.com
 ----------hadoop207.cevent.com---------
 hadoop207.cevent.com
 hadoop208.cevent.com
 hadoop209.cevent.com
 ----------hadoop208.cevent.com---------
 hadoop207.cevent.com
 hadoop208.cevent.com
 hadoop209.cevent.com
 ----------hadoop209.cevent.com---------
 hadoop207.cevent.com
 hadoop208.cevent.com
 hadoop209.cevent.com18.zookeeper安装
 （1）解压
 [cevent@hadoop207 zookeeper-3.4.10]$ tar -zxvf zookeeper-3.4.10.tar.gz -C /opt/module/[cevent@hadoop207 soft]$ cd /opt/module/
 [cevent@hadoop207 zookeeper-3.4.10]$ ll
 总用量 1592
 drwxr-xr-x. 2 cevent cevent 4096 3月 23 2017 bin
 -rw-rw-r–. 1 cevent cevent 84725 3月 23 2017 build.xml
 drwxr-xr-x. 2 cevent cevent 4096 6月 16 22:38 conf
 drwxr-xr-x. 10 cevent cevent 4096 3月 23 2017 contrib
 drwxrwxr-x. 3 cevent cevent 4096 6月 16 22:34 data
 drwxr-xr-x. 2 cevent cevent 4096 3月 23 2017 dist-maven
 drwxr-xr-x. 6 cevent cevent 4096 3月 23 2017 docs
 -rw-rw-r–. 1 cevent cevent 1709 3月 23 2017 ivysettings.xml
 -rw-rw-r–. 1 cevent cevent 5691 3月 23 2017 ivy.xml
 drwxr-xr-x. 4 cevent cevent 4096 3月 23 2017 lib
 -rw-rw-r–. 1 cevent cevent 11938 3月 23 2017 LICENSE.txt
 -rw-rw-r–. 1 cevent cevent 3132 3月 23 2017 NOTICE.txt
 -rw-rw-r–. 1 cevent cevent 1770 3月 23 2017 README_packaging.txt
 -rw-rw-r–. 1 cevent cevent 1585 3月 23 2017 README.txt
 drwxr-xr-x. 5 cevent cevent 4096 3月 23 2017 recipes
 drwxr-xr-x. 8 cevent cevent 4096 3月 23 2017 src
 -rw-rw-r–. 1 cevent cevent 1456729 3月 23 2017 zookeeper-3.4.10.jar
 -rw-rw-r–. 1 cevent cevent 819 3月 23 2017 zookeeper-3.4.10.jar.asc
 -rw-rw-r–. 1 cevent cevent 33 3月 23 2017 zookeeper-3.4.10.jar.md5
 -rw-rw-r–. 1 cevent cevent 41 3月 23 2017 zookeeper-3.4.10.jar.sha1
 （2）将/opt/module/zookeeper-3.4.10/conf这个路径下的zoo_sample.cfg修改为zoo.cfg
 [cevent@hadoop207 zookeeper-3.4.10]$ mv conf/zoo_sample.cfg zoo.cfg
 [cevent@hadoop207 zookeeper-3.4.10]$ mv zoo.cfg conf/（3）创建zkData
 [cevent@hadoop207 zookeeper-3.4.10]$ mkdir -p data/zkData
 /opt/module/zookeeper-3.4.5/data/zkData（4）编辑zoo.cfg
 [cevent@hadoop207 zookeeper-3.4.10]$ vim conf/zoo.cfgThe number of snapshots to retain in dataDir
#autopurge.snapRetainCount=3
Purge task interval in hours
Set to “0” to disable auto purge feature
The number of milliseconds of each tick
tickTime=2000
The number of ticks that the initial
synchronization phase can take
initLimit=10
The number of ticks that can pass between
sending a request and getting an acknowledgement
syncLimit=5
the directory where the snapshot is stored.
do not use /tmp for storage, /tmp here is just
example sakes.
dataDir=/opt/module/zookeeper-3.4.10/data/zkData
the port at which the clients will connect
clientPort=2181
the maximum number of client connections.
increase this if you need to handle more clients
#maxClientCnxns=60
Be sure to read the maintenance section of the
administrator guide before turning on autopurge.
http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
The number of snapshots to retain in dataDir
#autopurge.snapRetainCount=3
Purge task interval in hours
Set to “0” to disable auto purge feature
#autopurge.purgeInterval=1
（5）启动zookeeper服务器和客户端（需先编辑myid）
 [cevent@hadoop207/208/209分别配置相应id zookeeper-3.4.10]$ vim data/zkData/myid
 207
 208
 209
 [cevent@hadoop207 zookeeper-3.4.10]$ bin/zkServer.sh start
 ZooKeeper JMX enabled by default
 Using config: /opt/module/zookeeper-3.4.10/bin/…/conf/zoo.cfg
 Starting zookeeper … STARTED
 [cevent@hadoop207 zookeeper-3.4.10]$ jps
 6134 QuorumPeerMain
 6157 Jps
 [cevent@hadoop207 zookeeper-3.4.10]$ bin/zkCli.sh
 Connecting to localhost:2181（6）Cli.sh启动失败
 【报错】
 [cevent@hadoop207 zookeeper-3.4.10]$ bin/zkServer.sh status
 ZooKeeper JMX enabled by default
 Using config: /opt/module/zookeeper-3.4.10/bin/…/conf/zoo.cfg
 Error contacting service. It is probably not running.【解决】
 |-关闭防火墙
 暂时关闭防火墙:(立即生效，开机重启,会重新打开)
 service iptables stop
 永久关闭防火墙（关机重启才会生效）
 chkconfig iptables off
 重新解压zookeeper，在data/zkData下新建zookeeper_server.pid=进程ID[cevent@hadoop207 zookeeper-3.4.10]$ jps
 5449 QuorumPeerMain
 5763 Jps
 [cevent@hadoop207 zookeeper-3.4.10]$ cd data/zkData/
 [cevent@hadoop207 zkData]$ ll
 总用量 4
 drwxrwxr-x. 2 cevent cevent 4096 6月 17 11:54 version-2
 [cevent@hadoop207 zkData]$ vim zookeeper_server.pid
 5449
 【启动成功】
 [cevent@hadoop207 zookeeper-3.4.10]$ bin/zkServer.sh status
 ZooKeeper JMX enabled by default
 Using config: /opt/module/zookeeper-3.4.10/bin/…/conf/zoo.cfg
 Mode: standalone[zk: localhost:2181(CONNECTED) 1] ll
 ZooKeeper -server host:port cmd args
 connect host:port
 get path [watch]
           ls path [watch]
 set path data [version]
 rmr path
 delquota [-n|-b] path
 quit
 printwatches on|off
 create [-s] [-e] path data acl
 stat path [watch]
 close
 ls2 path [watch]
 history
 listquota path
 setAcl path acl
 getAcl path
 sync path
 redo cmdno
 addauth scheme auth
 delete path [version]
 setquota -n|-b val path
 [zk: localhost:2181(CONNECTED) 2] quit
 Quitting…
 2020-06-17 12:00:36,210 [myid:] - INFO [main:ZooKeeper@684] - Session: 0x172c06c50490000 closed
 2020-06-17 12:00:36,211 [myid:] - INFO [main-EventThread:ClientCnxn$EventThread@519] - EventThread shut down for session: 0x172c06c50490000（7）配置zookeeper集群zoo.cfg
 [cevent@hadoop207 zookeeper-3.4.10]$ vim conf/zoo.cfg
 __>最后一行添加如下：##################cluster#################
 server.207=hadoop207.cevent.com:2888:3888
 server.208=hadoop208.cevent.com:2888:3888
 server.209=hadoop209.cevent.com:2888:3888（8）启动hadoop：dfs和yarn（不启动hadoop也可以实现，最少启动2个zk）
 [cevent@hadoop207 hadoop-2.7.2]$ sbin/start-dfs.sh
 [cevent@hadoop207 hadoop-2.7.2]$ sbin/start-yarn.sh
 （9）依次启动zookeeper，全部启动查看zkServer.sh status
 [cevent@hadoop207 zookeeper-3.4.10]$ bin/zkServer.sh status
 ZooKeeper JMX enabled by default
 Using config: /opt/module/zookeeper-3.4.10/bin/…/conf/zoo.cfg
 Mode: follower
 [cevent@hadoop208 zookeeper-3.4.10]$ bin/zkServer.sh status
 ZooKeeper JMX enabled by default
 Using config: /opt/module/zookeeper-3.4.10/bin/…/conf/zoo.cfg
 Mode: leader

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