3.Java和hadoop的安装
先创建目录
[hadoop@node1 opt]$ cd /opt
[hadoop@node1 opt]$ sudo mkdir /opt/softwares
[hadoop@node1 opt]$ sudo mkdir /opt/modules
[hadoop@node1 opt]$ sudo mkdir /opt/tools
[hadoop@node1 opt]$ sudo mkdir /opt/datas
[hadoop@node1 opt]$ sudo rm -rh rh
rm: invalid option -- 'h'
Try 'rm --help' for more information.
[hadoop@node1 opt]$ sudo rm -rf rh
[hadoop@node1 opt]$ ll
total
drwxr-xr-x. root root May : datas
drwxr-xr-x. root root May : modules
drwxr-xr-x. root root May : softwares
drwxr-xr-x. root root May : tool
给目录赋予权限
[hadoop@node1 opt]$ sudo chown -R hadoop:hadoop /opt/*
[hadoop@node1 opt]$ ll
total 0
drwxr-xr-x. 2 hadoop hadoop 6 May 9 17:19 datas
drwxr-xr-x. 2 hadoop hadoop 6 May 9 17:18 modules
drwxr-xr-x. 2 hadoop hadoop 6 May 9 17:18 softwares
drwxr-xr-x. 2 hadoop hadoop 6 May 9 17:19 tools
其他3台机器也是一样的操作！！
上传java安装包和hadoop安装包
解压jdk
配置jdk环境变量
#java
export JAVA_HOME=/opt/modules/jdk1..0_65
export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$PATH:$JAVA_HOME/bin
使环境变量生效
接下来配置给每台机器配置免密码登录
添加以下语句。
另外三台机器也这样操作！！！！
同时配置虚拟机与本地电脑的地址映射关系
添加以下语句
每台机器的各自本身的无密码访问
node1
[hadoop@node1 ~]$ cd
[hadoop@node1 ~]$ cd .ssh
-bash: cd: .ssh: No such file or directory
[hadoop@node1 ~]$ mkdir .ssh
[hadoop@node1 ~]$ cd .ssh
[hadoop@node1 .ssh]$ ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/hadoop/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/hadoop/.ssh/id_rsa.
Your public key has been saved in /home/hadoop/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:Q2csL/LvcBf6qs29dZyjW0ZVKnqkqx+4DK4QHRJUEHo hadoop@node1
The key's randomart image is:
+---[RSA ]----+
| .=+. .|
| . . . ..|
|. E . o + o . .|
| . o . . = + . .|
| . . . S + o . |
| . o + + ....|
| . . + = . .=o|
| . . o O = .+..|
| ... =+B.++. |
+----[SHA256]-----+
[hadoop@node1 .ssh]$
[hadoop@node1 .ssh]$ ls
id_rsa id_rsa.pub
[hadoop@node1 .ssh]$ cat id_rsa.pub >> authorized_keys
[hadoop@node1 .ssh]$ ls
authorized_keys id_rsa id_rsa.pub
[hadoop@node1 .ssh]$ cd ..
[hadoop@node1 ~]$ chmod .ssh
[hadoop@node1 ~]$ chmod .ssh/*
[hadoop@node1 ~]$ ssh node1
The authenticity of host 'node1 (fe80::eb1a:bdfe:4746:d86e%ens33)' can't be established.
ECDSA key fingerprint is SHA256:MgPYAE+6wpwD4f0o7rxojIbSEO1/6CWDDwebvR+m/NA.
ECDSA key fingerprint is MD5:9d:2a:c6:e4:c4:a1:73:42:92:47:a5:f1:9a:eb:2c:58.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'node1,fe80::eb1a:bdfe:4746:d86e%ens33' (ECDSA) to the list of known hosts.
Last login: Fri May 10 17:40:50 2019 from 192.168.86.1
[hadoop@node1 ~]$ sudo yum -y install openssh-clients
Loaded plugins: fastestmirror, langpacks
Repository base is listed more than once in the configuration
Repository updates is listed more than once in the configuration
Repository extras is listed more than once in the configuration
Repository centosplus is listed more than once in the configuration
Loading mirror speeds from cached hostfile
* base: mirrors.cn99.com
* extras: mirrors.cn99.com
* updates: mirrors.njupt.edu.cn
base | 3.6 kB 00:00:00
extras | 3.4 kB 00:00:00
updates | 3.4 kB 00:00:00
updates/7/x86_64/primary_db | 4.2 MB 00:00:05
Package openssh-clients-7.4p1-16.el7.x86_64 already installed and latest version
Nothing to do
[hadoop@node1 ~]$ ssh node1
Last login: Fri May 10 17:51:08 2019 from fe80::eb1a:bdfe:4746:d86e%ens33
[hadoop@node1 ~]$ exit
logout
Connection to node1 closed.
[hadoop@node1 ~]$
node2
[hadoop@node2 ~]$ mkdir .ssh
[hadoop@node2 ~]$ cd .ssh
[hadoop@node2 .ssh]$ ls
[hadoop@node2 .ssh]$ cd ..
[hadoop@node2 ~]$ cd .ssh
[hadoop@node2 .ssh]$ ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/hadoop/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/hadoop/.ssh/id_rsa.
Your public key has been saved in /home/hadoop/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:ldG4RCbi5P1vf6McCO6XHm0OMW4ncKdQBrJn53uzyFw hadoop@node2
The key's randomart image is:
+---[RSA ]----+
| o..o+o |
| + ooo+o. |
| o..+o= |
| oo* |
| S+.= . |
| . *.O |
| . X+E |
| . ++%.+..|
| .o= =o..|
+----[SHA256]-----+
[hadoop@node2 .ssh]$ ls
id_rsa id_rsa.pub
[hadoop@node2 .ssh]$
[hadoop@node2 .ssh]$ cat id_rsa.pub >> authorized_keys
[hadoop@node2 .ssh]$ ls
authorized_keys id_rsa id_rsa.pub
[hadoop@node2 .ssh]$ cd ..
[hadoop@node2 ~]$ chmod .ssh
[hadoop@node2 ~]$ chmod .ssh/*
[hadoop@node2 ~]$ sudo yum -y install openssh-clients
Loaded plugins: fastestmirror, langpacks
base | 3.6 kB 00:00:00
extras | 3.4 kB 00:00:00
updates | 3.4 kB 00:00:00
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
Resolving Dependencies
--> Running transaction check
---> Package openssh-clients.x86_64 0:7.4p1-11.el7 will be updated
---> Package openssh-clients.x86_64 0:7.4p1-16.el7 will be an update
--> Processing Dependency: openssh = 7.4p1-16.el7 for package: openssh-clients-7.4p1-16.el7.x86_64
--> Running transaction check
---> Package openssh.x86_64 0:7.4p1-11.el7 will be updated
--> Processing Dependency: openssh = 7.4p1-11.el7 for package: openssh-server-7.4p1-11.el7.x86_64
---> Package openssh.x86_64 0:7.4p1-16.el7 will be an update
--> Running transaction check
---> Package openssh-server.x86_64 0:7.4p1-11.el7 will be updated
---> Package openssh-server.x86_64 0:7.4p1-16.el7 will be an update
--> Finished Dependency Resolution Dependencies Resolved =============================================================================================================================================
Package Arch Version Repository Size
=============================================================================================================================================
Updating:
openssh-clients x86_64 7.4p1-16.el7 base 655 k
Updating for dependencies:
openssh x86_64 7.4p1-16.el7 base 510 k
openssh-server x86_64 7.4p1-16.el7 base 458 k Transaction Summary
=============================================================================================================================================
Upgrade 1 Package (+2 Dependent packages) Total download size: 1.6 M
Downloading packages:
No Presto metadata available for base
(1/3): openssh-clients-7.4p1-16.el7.x86_64.rpm | 655 kB 00:00:00
(2/3): openssh-server-7.4p1-16.el7.x86_64.rpm | 458 kB 00:00:00
(3/3): openssh-7.4p1-16.el7.x86_64.rpm | 510 kB 00:00:00
---------------------------------------------------------------------------------------------------------------------------------------------
Total 2.2 MB/s | 1.6 MB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Updating : openssh-7.4p1-16.el7.x86_64 1/6
Updating : openssh-clients-7.4p1-16.el7.x86_64 2/6
Updating : openssh-server-7.4p1-16.el7.x86_64 3/6
Cleanup : openssh-server-7.4p1-11.el7.x86_64 4/6
Cleanup : openssh-clients-7.4p1-11.el7.x86_64 5/6
Cleanup : openssh-7.4p1-11.el7.x86_64 6/6
Verifying : openssh-7.4p1-16.el7.x86_64 1/6
Verifying : openssh-clients-7.4p1-16.el7.x86_64 2/6
Verifying : openssh-server-7.4p1-16.el7.x86_64 3/6
Verifying : openssh-clients-7.4p1-11.el7.x86_64 4/6
Verifying : openssh-7.4p1-11.el7.x86_64 5/6
Verifying : openssh-server-7.4p1-11.el7.x86_64 6/6 Updated:
openssh-clients.x86_64 0:7.4p1-16.el7 Dependency Updated:
openssh.x86_64 0:7.4p1-16.el7 openssh-server.x86_64 0:7.4p1-16.el7 Complete!
[hadoop@node2 ~]$ ssh node2
The authenticity of host 'node2 (fe80::2b74:214b:f03a:9f89%ens33)' can't be established.
ECDSA key fingerprint is SHA256:6mgGUMwozj0Cl6LzCNi250qZGSruWJA7bAktWIEAkDo.
ECDSA key fingerprint is MD5:cc:17:8e:2c:8f:9d:6f:1d:1a:da:ef:20:05:da:1f:2a.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'node2,fe80::2b74:214b:f03a:9f89%ens33' (ECDSA) to the list of known hosts.
Last login: Fri May 10 17:40:59 2019 from 192.168.86.1
[hadoop@node2 ~]$ exit
logout
Connection to node2 closed.
[hadoop@node2 ~]$
node3
[hadoop@node3 ~]$ mkdir .ssh
[hadoop@node3 ~]$ ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/hadoop/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/hadoop/.ssh/id_rsa.
Your public key has been saved in /home/hadoop/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:0aMi9W78aCoXPqtkQ6Jv6HnKec9BqyKjdbaY6tcFEmQ hadoop@node3
The key's randomart image is:
+---[RSA ]----+
| .E |
| .. . |
| . . . o |
| . o . o . |
| . +.o S |
| . o..o= |
|... B+..+ |
|=++@++=..o |
|B@X.+*o=. . |
+----[SHA256]-----+
[hadoop@node3 ~]$
[hadoop@node3 .ssh]$ cat id_rsa.pub >> authorized_keys
[hadoop@node3 .ssh]$ ls
authorized_keys id_rsa id_rsa.pub
[hadoop@node3 .ssh]$ cd ..
[hadoop@node3 ~]$ chmod .ssh
[hadoop@node3 ~]$ chmod .ssh/*
[hadoop@node3 ~]$ sudo yum -y install openssh-clients
Loaded plugins: fastestmirror, langpacks
Repository base is listed more than once in the configuration
Repository updates is listed more than once in the configuration
Repository extras is listed more than once in the configuration
Repository centosplus is listed more than once in the configuration
base | 3.6 kB 00:00:00
extras | 3.4 kB 00:00:00
updates | 3.4 kB 00:00:00
updates/7/x86_64/primary_db | 4.2 MB 00:00:01
Loading mirror speeds from cached hostfile
* base: centos.ustc.edu.cn
* extras: mirrors.nju.edu.cn
* updates: centos.ustc.edu.cn
Resolving Dependencies
--> Running transaction check
---> Package openssh-clients.x86_64 0:7.4p1-11.el7 will be updated
---> Package openssh-clients.x86_64 0:7.4p1-16.el7 will be an update
--> Processing Dependency: openssh = 7.4p1-16.el7 for package: openssh-clients-7.4p1-16.el7.x86_64
--> Running transaction check
---> Package openssh.x86_64 0:7.4p1-11.el7 will be updated
--> Processing Dependency: openssh = 7.4p1-11.el7 for package: openssh-server-7.4p1-11.el7.x86_64
---> Package openssh.x86_64 0:7.4p1-16.el7 will be an update
--> Running transaction check
---> Package openssh-server.x86_64 0:7.4p1-11.el7 will be updated
---> Package openssh-server.x86_64 0:7.4p1-16.el7 will be an update
--> Finished Dependency Resolution Dependencies Resolved =============================================================================================================================================
Package Arch Version Repository Size
=============================================================================================================================================
Updating:
openssh-clients x86_64 7.4p1-16.el7 base 655 k
Updating for dependencies:
openssh x86_64 7.4p1-16.el7 base 510 k
openssh-server x86_64 7.4p1-16.el7 base 458 k Transaction Summary
=============================================================================================================================================
Upgrade 1 Package (+2 Dependent packages) Total download size: 1.6 M
Downloading packages:
No Presto metadata available for base
warning: /var/cache/yum/x86_64/7/base/packages/openssh-7.4p1-16.el7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID f4a80eb5: NOKEY-- ETA
Public key for openssh-7.4p1-16.el7.x86_64.rpm is not installed
(1/3): openssh-7.4p1-16.el7.x86_64.rpm | 510 kB 00:00:00
(2/3): openssh-clients-7.4p1-16.el7.x86_64.rpm | 655 kB 00:00:00
(3/3): openssh-server-7.4p1-16.el7.x86_64.rpm | 458 kB 00:00:01
---------------------------------------------------------------------------------------------------------------------------------------------
Total 935 kB/s | 1.6 MB 00:00:01
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
Importing GPG key 0xF4A80EB5:
Userid : "CentOS-7 Key (CentOS 7 Official Signing Key) <security@centos.org>"
Fingerprint: 6341 ab27 53d7 8a78 a7c2 7bb1 24c6 a8a7 f4a8 0eb5
Package : centos-release-7-4.1708.el7.centos.x86_64 (@anaconda)
From : /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Updating : openssh-7.4p1-16.el7.x86_64 1/6
Updating : openssh-clients-7.4p1-16.el7.x86_64 2/6
Updating : openssh-server-7.4p1-16.el7.x86_64 3/6
Cleanup : openssh-server-7.4p1-11.el7.x86_64 4/6
Cleanup : openssh-clients-7.4p1-11.el7.x86_64 5/6
Cleanup : openssh-7.4p1-11.el7.x86_64 6/6
Verifying : openssh-7.4p1-16.el7.x86_64 1/6
Verifying : openssh-clients-7.4p1-16.el7.x86_64 2/6
Verifying : openssh-server-7.4p1-16.el7.x86_64 3/6
Verifying : openssh-clients-7.4p1-11.el7.x86_64 4/6
Verifying : openssh-7.4p1-11.el7.x86_64 5/6
Verifying : openssh-server-7.4p1-11.el7.x86_64 6/6 Updated:
openssh-clients.x86_64 0:7.4p1-16.el7 Dependency Updated:
openssh.x86_64 0:7.4p1-16.el7 openssh-server.x86_64 0:7.4p1-16.el7 Complete!
[hadoop@node3 ~]$ ssh node3
The authenticity of host 'node3 (fe80::bfbd:a651:53ba:e59d%ens33)' can't be established.
ECDSA key fingerprint is SHA256:+l31dPuaqq6XYXQvR7qWBn186HGwB9t+3lh0i+7vDWo.
ECDSA key fingerprint is MD5:92:e4:1f:2f:95:c7:65:a9:10:a5:16:9c:0d:d7:9c:15.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'node3,fe80::bfbd:a651:53ba:e59d%ens33' (ECDSA) to the list of known hosts.
Last login: Fri May 10 17:40:47 2019 from 192.168.86.1
[hadoop@node3 ~]$
node4
[hadoop@node4 ~]$ mkdir .ssh
[hadoop@node4 ~]$ ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/hadoop/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/hadoop/.ssh/id_rsa.
Your public key has been saved in /home/hadoop/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:P4007EgHcn03gI4wdXr9x6ohEAQTG7CCNZEqNAvDEtw hadoop@node4
The key's randomart image is:
+---[RSA ]----+
|+.=o..=+o ... |
|+B.E .o= +.. . |
|=o+ . oo=oo o o |
|o. . o.=.. o o |
|. S = . o|
| . B + o |
| . * o . |
| o o |
| . |
+----[SHA256]-----+
[hadoop@node4 ~]$
[hadoop@node4 .ssh]$ cat id_rsa.pub >> authorized_keys
[hadoop@node4 .ssh]$ ls
authorized_keys id_rsa id_rsa.pub
[hadoop@node4 .ssh]$ cd ..
[hadoop@node4 ~]$ chmod .ssh
[hadoop@node4 ~]$ chmod .ssh/*
[hadoop@node4 ~]$ sudo yum -y install openssh-clients
Loaded plugins: fastestmirror, langpacks
Repository base is listed more than once in the configuration
Repository updates is listed more than once in the configuration
Repository extras is listed more than once in the configuration
Repository centosplus is listed more than once in the configuration
base | 3.6 kB 00:00:00
extras | 3.4 kB 00:00:00
updates | 3.4 kB 00:00:00
updates/7/x86_64/primary_db | 4.2 MB 00:00:01
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* extras: centos.ustc.edu.cn
* updates: centos.ustc.edu.cn
Resolving Dependencies
--> Running transaction check
---> Package openssh-clients.x86_64 0:7.4p1-11.el7 will be updated
---> Package openssh-clients.x86_64 0:7.4p1-16.el7 will be an update
--> Processing Dependency: openssh = 7.4p1-16.el7 for package: openssh-clients-7.4p1-16.el7.x86_64
--> Running transaction check
---> Package openssh.x86_64 0:7.4p1-11.el7 will be updated
--> Processing Dependency: openssh = 7.4p1-11.el7 for package: openssh-server-7.4p1-11.el7.x86_64
---> Package openssh.x86_64 0:7.4p1-16.el7 will be an update
--> Running transaction check
---> Package openssh-server.x86_64 0:7.4p1-11.el7 will be updated
---> Package openssh-server.x86_64 0:7.4p1-16.el7 will be an update
--> Finished Dependency Resolution Dependencies Resolved ================================================================================================================================
Package Arch Version Repository Size
================================================================================================================================
Updating:
openssh-clients x86_64 7.4p1-16.el7 base 655 k
Updating for dependencies:
openssh x86_64 7.4p1-16.el7 base 510 k
openssh-server x86_64 7.4p1-16.el7 base 458 k Transaction Summary
================================================================================================================================
Upgrade 1 Package (+2 Dependent packages) Total size: 1.6 M
Downloading packages:
warning: /var/cache/yum/x86_64/7/base/packages/openssh-7.4p1-16.el7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID f4a80eb5: NOKEY
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
Importing GPG key 0xF4A80EB5:
Userid : "CentOS-7 Key (CentOS 7 Official Signing Key) <security@centos.org>"
Fingerprint: 6341 ab27 53d7 8a78 a7c2 7bb1 24c6 a8a7 f4a8 0eb5
Package : centos-release-7-4.1708.el7.centos.x86_64 (@anaconda)
From : /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Updating : openssh-7.4p1-16.el7.x86_64 1/6
Updating : openssh-clients-7.4p1-16.el7.x86_64 2/6
Updating : openssh-server-7.4p1-16.el7.x86_64 3/6
Cleanup : openssh-server-7.4p1-11.el7.x86_64 4/6
Cleanup : openssh-clients-7.4p1-11.el7.x86_64 5/6
Cleanup : openssh-7.4p1-11.el7.x86_64 6/6
Verifying : openssh-7.4p1-16.el7.x86_64 1/6
Verifying : openssh-clients-7.4p1-16.el7.x86_64 2/6
Verifying : openssh-server-7.4p1-16.el7.x86_64 3/6
Verifying : openssh-clients-7.4p1-11.el7.x86_64 4/6
Verifying : openssh-7.4p1-11.el7.x86_64 5/6
Verifying : openssh-server-7.4p1-11.el7.x86_64 6/6 Updated:
openssh-clients.x86_64 0:7.4p1-16.el7 Dependency Updated:
openssh.x86_64 0:7.4p1-16.el7 openssh-server.x86_64 0:7.4p1-16.el7 Complete!
[hadoop@node4 ~]$ ssh node4
The authenticity of host 'node4 (fe80::38af:ecce:cbe3:7f4b%ens32)' can't be established.
ECDSA key fingerprint is SHA256:CDJlRxM3LfysC51g+2RIesc/FI2OnTJRQi3w/WnK7jk.
ECDSA key fingerprint is MD5:74:5b:35:fa:fb:fe:31:d5:c4:a0:ff:d0:62:12:3e:d3.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'node4,fe80::38af:ecce:cbe3:7f4b%ens32' (ECDSA) to the list of known hosts.
Last login: Fri May 10 17:40:49 2019 from 192.168.86.1
[hadoop@node4 ~]$ exit
logout
Connection to node4 closed.
[hadoop@node4 ~]$
到此为止每台机器的各自本身的无密码访问已经成功设置好了。
每台机器之间的无密码访问的设置
完成node2与node1
[hadoop@node2 ~]$ cat ~/.ssh/id_rsa.pub | ssh hadoop@node1 'cat >> ~/.ssh/authorized_keys'
The authenticity of host 'node1 (192.168.86.131)' can't be established.
ECDSA key fingerprint is SHA256:MgPYAE+6wpwD4f0o7rxojIbSEO1/6CWDDwebvR+m/NA.
ECDSA key fingerprint is MD5:9d:2a:c6:e4:c4:a1:::::a5:f1:9a:eb:2c:.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'node1,192.168.86.131' (ECDSA) to the list of known hosts.
hadoop@node1's password:
[hadoop@node2 ~]$
完成node3与node1
[hadoop@node3 ~]$ cat ~/.ssh/id_rsa.pub | ssh hadoop@node1 'cat >> ~/.ssh/authorized_keys'
The authenticity of host 'node1 (192.168.86.131)' can't be established.
ECDSA key fingerprint is SHA256:MgPYAE+6wpwD4f0o7rxojIbSEO1/6CWDDwebvR+m/NA.
ECDSA key fingerprint is MD5:9d:2a:c6:e4:c4:a1:::::a5:f1:9a:eb:2c:.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'node1,192.168.86.131' (ECDSA) to the list of known hosts.
hadoop@node1's password:
[hadoop@node3 ~]$
完成node4与node1
[hadoop@node4 ~]$ cat ~/.ssh/id_rsa.pub | ssh hadoop@node1 'cat >> ~/.ssh/authorized_keys'
The authenticity of host 'node1 (192.168.86.131)' can't be established.
ECDSA key fingerprint is SHA256:MgPYAE+6wpwD4f0o7rxojIbSEO1/6CWDDwebvR+m/NA.
ECDSA key fingerprint is MD5:9d:2a:c6:e4:c4:a1:::::a5:f1:9a:eb:2c:.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'node1,192.168.86.131' (ECDSA) to the list of known hosts.
hadoop@node1's password:
[hadoop@node4 ~]$
将node1的authorized_keys分发给node2 node3 node4
[hadoop@node1 ~]$ cd .ssh
[hadoop@node1 .ssh]$ scp -r authorized_keys hadoop@node2:~/.ssh/
The authenticity of host 'node2 (192.168.86.132)' can't be established.
ECDSA key fingerprint is SHA256:6mgGUMwozj0Cl6LzCNi250qZGSruWJA7bAktWIEAkDo.
ECDSA key fingerprint is MD5:cc::8e:2c:8f:9d:6f:1d:1a:da:ef:::da:1f:2a.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'node2,192.168.86.132' (ECDSA) to the list of known hosts.
hadoop@node2's password:
authorized_keys % .5MB/s :
[hadoop@node1 .ssh]$ scp -r authorized_keys hadoop@node3:~/.ssh/
The authenticity of host 'node3 (192.168.86.133)' can't be established.
ECDSA key fingerprint is SHA256:+l31dPuaqq6XYXQvR7qWBn186HGwB9t+3lh0i+7vDWo.
ECDSA key fingerprint is MD5::e4:1f:2f::c7::a9::a5::9c:0d:d7:9c:.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'node3,192.168.86.133' (ECDSA) to the list of known hosts.
hadoop@node3's password:
authorized_keys % .6MB/s :
[hadoop@node1 .ssh]$ scp -r authorized_keys hadoop@node4:~/.ssh/
The authenticity of host 'node4 (192.168.86.134)' can't be established.
ECDSA key fingerprint is SHA256:CDJlRxM3LfysC51g+2RIesc/FI2OnTJRQi3w/WnK7jk.
ECDSA key fingerprint is MD5::5b::fa:fb:fe::d5:c4:a0:ff:d0:::3e:d3.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'node4,192.168.86.134' (ECDSA) to the list of known hosts.
hadoop@node4's password:
authorized_keys
因为我们配置了4台机器之间的免密码登录了，因此我们可以将node1安装好的jdk分发给其他3台机器
分别给3台机器配置环境变量（操作都一样）
#java
export JAVA_HOME=/opt/modules/jdk1..0_65
export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$PATH:$JAVA_HOME/bin
使环境变量生效
3台操作都一样所以就不赘述了！！！
hadoop的安装
解压hadoop
[hadoop@node1 softwares]$ tar -zxf hadoop-3.1..tar.gz -C /opt/modules/
[hadoop@node1 softwares]$ ls
hadoop-2.7..tar.gz hadoop-3.1..tar.gz jdk-8u65-linux-x64.tar.gz
[hadoop@node1 softwares]$ cd ../modules/
[hadoop@node1 modules]$ ls
hadoop-3.1. jdk1..0_65
[hadoop@node1 modules]$
给hadoop配置环境变量
#hadoop
export HADOOP_HOME=/opt/modules/hadoop-3.1.
export PATH=$PATH:$HADOOP_HOME/bin:$HADOOP_HOME/sbin
使其环境变量生效
[root@node1 hadoop-3.1.]# source /etc/profile
[root@node1 hadoop-3.1.]# hadoop version
Hadoop 3.1.
Source code repository https://github.com/apache/hadoop.git -r 1019dde65bcf12e05ef48ac71e84550d589e5d9a
Compiled by sunilg on --29T01:39Z
Compiled with protoc 2.5.
From source with checksum 64b8bdd4ca6e77cce75a93eb09ab2a9
This command was run using /opt/modules/hadoop-3.1./share/hadoop/common/hadoop-common-3.1..jar
[root@node1 hadoop-3.1.]#
3.Java和hadoop的安装的更多相关文章
- 2.2、CDH 搭建Hadoop在安装(安装Java Development Kit)
第2步:安装Java Development Kit 要安装Oracle JDK,您可以使用Cloudera Manager安装Cloudera提供的版本,也可以直接安装Oracle的其他版本. 继续 ...
- 【从零开始学习Hadoop】--1.Hadoop的安装
第1章 Hadoop的安装1. 操作系统2. Hadoop的版本3. 下载Hadoop4. 安装Java JDK5. 安装hadoop6. 安装rsync和ssh7. 启动hadoop8. 测试had ...
- hadoop环境安装及简单Map-Reduce示例
说明:这篇博客来自我的csdn博客,http://blog.csdn.net/lxxgreat/article/details/7753511 一.参考书:<hadoop权威指南--第二版(中文 ...
- hadoop群集安装中碰到的问题
在hadoop群集安装结束后,进行格式测试出现问题如下 格式化 cd /data/hadoop/bin ./hdfs namenode -format 15/01/21 05:21:17 WARN f ...
- 从零开始学习Hadoop--第1章 Hadoop的安装
Hadoop的安装比较繁琐,有如下几个原因:其一,Hadoop有非常多的版本:其二,官方文档不尽详细,有时候更新脱节,Hadoop发展的太快了:其三,网上流传的各种文档,或者是根据某些需求定制,或者加 ...
- Hadoop学习---安装部署
hadoop框架 Hadoop使用主/从(Master/Slave)架构,主要角色有NameNode,DataNode,secondary NameNode,JobTracker,TaskTracke ...
- hadoop分布式安装教程（转）
from:http://www.cnblogs.com/xia520pi/archive/2012/05/16/2503949.html 1.集群部署介绍 1.1 Hadoop简介 Hadoop是Ap ...
- Hadoop的安装与配置说明
安装hadoop是一件非常容易的事情,读者可以在官网上下载到最近的几个hadoop版本.网址为http://apache.etoak.com//hadoop/core/. 目前,hadoop可以运 ...
- hadoop生态圈安装详解（hadoop+zookeeper+hbase+pig+hive）
-------------------------------------------------------------------* 目录 * I hadoop分布式安装 * II zoo ...
随机推荐
- MFC CTreeCtrl 递归遍历算法
递归遍历 void Traverse(HTREEITEM hTree) { if (!hTree) { return; } //Do Something. //Traverse Child Node ...
- 【Python之路】特别篇--Celery
Celery介绍和基本使用 Celery 是一个分布式异步消息队列,通过它可以轻松的实现任务的异步处理 举几个实例场景中可用的例子: 你想对100台机器执行一条批量命令,可能会花很长时间 ,但你不想让 ...
- 去除弹窗自带url提示
window.alert = function(name){ var iframe = document.createElement("IFRAME"); iframe.style ...
- JavaWeb_(Hibernate框架)Hibernate配置文件hibernate.cfg.xml
hibernate.cfg.xml配置文件——链接数据库 hibernate.cfg.xml一定要配置在/src文件目录下 --数据库驱动,url,用户名,密码 --方言org.hibernate.d ...
- cocos2dx热更新之后，闪退问题记录。
如果使用cocos2dx的3.17.2版本的官方热更新. 然后有玩家反馈说热更新之后游戏闪退,游戏内有部分资源没更到. 考虑如下几个方面调整. 1,在文件下载失败的时候,直接调用重新下载. 2,把下载 ...
- redis 持久化 RDB
https://blog.csdn.net/u010028869/article/details/51792197
- Jmeter函数 参数
1.time时间函数 ${__time(,)} 1450056496991 //无格式化参数,返回当前毫秒时间 ${__time(/1000,)} //返回当前时间为秒 ${__time(yyyyMM ...
- legend3---6、legend3爬坑杂记
legend3---6.legend3爬坑杂记 一.总结 一句话总结: 学东西不做项目也学不到深处,其实也就是学了没理解透, 1.lavarel中模型关联可以用的实质是? lavarel在数据库中插入 ...
- 爬取百度网盘资源报user is not authorized, hitcode:119
爬取百度网盘资源报user is not authorized, hitcode:119 一.总结 一句话总结: 可能是百度网盘禁止非客户端环境下载大文件,所以将请求头改为客户端:'User-Agen ...
- Thread 源码阅读
Thread 属性说明 /** * 程序中的执行线程 * @since 1.0 */ public class Thread implements Runnable { /* Make sure re ...