1.虚拟机安装linux CentOS6.5以上 ~~~~~~~~~~~~~~~~~~~~~~~~~~略 参考: 如何在virtualbox安装CentOS6并配置桥接网络以及静态ip https:/
1.虚拟机安装linux CentOS6.5以上
~~~~~~~~~~~~~~~~~~~~~~~~~~略
参考:
如何在virtualbox安装CentOS6并配置桥接网络以及静态ip
https://my.oschina.net/linqunxuan/blog/879642
2.在虚拟机配置桥接网络模式
~~~~~~~~~~~~~~~~~~~~~~~~~~略
3.配置2台机子的静态ip地址_网关_DNS
# Master
[root@master ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0DEVICE=eth0HWADDR=08:00:27:88:21:CATYPE=EthernetUUID=fd5e0998-1170-4959-92c6-9bb186a4515dONBOOT=yesNM_CONTROLLED=yesBOOTPROTO=staticIPADDR=192.168.1.60NETMASK=255.255.255.0GATEWAY=192.168.1.1DNS1=223.5.5.5DNS2=223.6.6.6#Slave1
[root@slave1 ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0DEVICE=eth0TYPE=EthernetUUID=799c10b3-1014-4ad4-87b0-b05227e29de0ONBOOT=yesNM_CONTROLLED=yesBOOTPROTO=staticHWADDR=08:00:27:0C:F0:E8IPADDR=192.168.1.61GATEWAY=192.168.1.1NETMASK=255.255.255.0DEFROUTE=yesDNS1=233.5.5.5DNS2=233.6.6.6
4.关闭2台机子的iptables以及禁用selinux
[root@master ~]# /etc/init.d/iptables stopiptables：将链设置为政策 ACCEPT：filter [确定]iptables：清除防火墙规则： [确定]iptables：正在卸载模块： [确定]5.修改2台机子的hostname
一台为master,一台为slave1
[root@master ~]# cat /etc/hosts127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4::1 localhost localhost.localdomain localhost6 localhost6.localdomain6192.168.1.60 master192.168.1.61 slave1[root@slave1 ~]# cat /etc/hosts127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4::1 localhost localhost.localdomain localhost6 localhost6.localdomain6192.168.1.60 master192.168.1.61 slave16.测试2台机子是否能互相ping通
[root@master ~]# ping slave1PING slave1 (192.168.1.61) 56(84) bytes of data.64 bytes from slave1 (192.168.1.61): icmp_seq=1 ttl=64 time=0.735 ms64 bytes from slave1 (192.168.1.61): icmp_seq=2 ttl=64 time=0.263 ms[root@slave1 ~]# ping masterPING master (192.168.1.60) 56(84) bytes of data.64 bytes from master (192.168.1.60): icmp_seq=1 ttl=64 time=0.384 ms7.配置2台机子之间免密码ssh登陆
#Master 生成ssh公钥和私钥
# 使用ssh-keygen 生成公钥和私钥 一路回车 不用设置密码[root@master ~]# ssh-keygen Generating public/private rsa key pair.Enter file in which to save the key (/root/.ssh/id_rsa):Enter passphrase (empty for no passphrase):Enter same passphrase again:Your identification has been saved in /root/.ssh/id_rsa.Your public key has been saved in /root/.ssh/id_rsa.pub.The key fingerprint is:4c:e7:fe:6d:a0:73:0a:2b:6d:7e:e2:91:90:bf:16:90 root@masterThe key's randomart image is:+--[ RSA 2048]----+| || || .. . || E+ o || o.S . || o.o . || .=... . || . ==+.... || *=o.+... |+-----------------+[root@master ~]# cd ./.ssh/id_rsa id_rsa.pub known_hosts[root@master ~]# cd ./.ssh/[root@master .ssh]# ll总用量 12-rw------- 1 root root 1675 4月 18 16:24 id_rsa-rw-r--r-- 1 root root 393 4月 18 16:24 id_rsa.pub-rw-r--r-- 1 root root 394 4月 17 14:16 known_hosts# 将id_rsa.pub内容复制到authorized_keys文件[root@master .ssh]# cat id_rsa.pub > authorized_keys[root@master .ssh]# ll总用量 16-rw-r--r-- 1 root root 393 4月 18 16:30 authorized_keys-rw------- 1 root root 1675 4月 18 16:24 id_rsa-rw-r--r-- 1 root root 393 4月 18 16:24 id_rsa.pub-rw-r--r-- 1 root root 394 4月 17 14:16 known_hosts#Slave1 生成ssh公钥和私钥
[root@slave1 ~]# ssh-keygenGenerating public/private rsa key pair.Enter file in which to save the key (/root/.ssh/id_rsa):Created directory '/root/.ssh'.Enter passphrase (empty for no passphrase):Enter same passphrase again:Your identification has been saved in /root/.ssh/id_rsa.Your public key has been saved in /root/.ssh/id_rsa.pub.The key fingerprint is:91:88:71:4d:f2:6a:58:a4:e9:50:0c:29:d2:6e:15:d1 root@slave1The key's randomart image is:+--[ RSA 2048]----+| ..+=++o. ||o o.oBE+.. ||.o..+ o + || oo o . . || . o o S || . || || || |+-----------------+[root@slave1 ~]# cat ~/.ssh/id_rsa.pubssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA66kI4WvbHsapzwPAYhf+2RGcE53m4PSfY2Qi/0us7ksv7oICBVusKoCh/LTF1ZdZ9JM6+0G/Fh8u/MVQJb4YTR1dWj+A27zjzEkvE+Wfgdah4/yu/aMq2tHt/2mfIF+t88d9kQUgTJZMVbXhSDhipd6BSXUV9p2EUSksEAVWxhWobT/fLbud3dosr2sQGfITc92HWttLruw2xD//1aCK52HtrWEQ+hnMijgodKrGnBgOFYZLgbcSUh9S5CYHY+N816coYvucY/6TrHz3Ymc3qQcdB7vSlcko1mtbhVT5zQ3CmLR9Q6JilfTL0XshBUqcZ2Ew7XmcVNqNQti3BI48nw== root@slave1# 将slave1的公钥内容 拷贝到master的~/.ssh/authorized_keys 文件中
[root@master .ssh]# cat ~/.ssh/authorized_keysssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA03V3FV9O3AtpCFXDSMZh9cQZ3vn2e7UYD6lQc9uY1E9crc6iS076t5pTggKsOwQu0KsFF5x/7oSSYLZ8gUPbpZrsIVBMlLyw3rBmEBjYAmp6aampJw0TUa3GvTqFRqyMNQvpSyaK2B7WdIIDui8bILuxWDfw41/t3o+pD6s+QPMgc1UbmGzKdI8YEKM9lK6+qH39FV/SaIm4/zmhbPd73WMm+EKZ353goRxGKanK59M2FWOQnaxVUwZrhDQ0U5017t9LGQeVQcBpFFfAyE90JaXrYUNY7Hfpod/i/+mXtwwfK6hP3+p9GCv5R2iS/XDLYe5fUjGkplf71zA+XP7ZAQ== root@masterssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA66kI4WvbHsapzwPAYhf+2RGcE53m4PSfY2Qi/0us7ksv7oICBVusKoCh/LTF1ZdZ9JM6+0G/Fh8u/MVQJb4YTR1dWj+A27zjzEkvE+Wfgdah4/yu/aMq2tHt/2mfIF+t88d9kQUgTJZMVbXhSDhipd6BSXUV9p2EUSksEAVWxhWobT/fLbud3dosr2sQGfITc92HWttLruw2xD//1aCK52HtrWEQ+hnMijgodKrGnBgOFYZLgbcSUh9S5CYHY+N816coYvucY/6TrHz3Ymc3qQcdB7vSlcko1mtbhVT5zQ3CmLR9Q6JilfTL0XshBUqcZ2Ew7XmcVNqNQti3BI48nw== root@slave1# master的~/.ssh/authorized_keys文件 通过scp传给slave1的~/.ssh/目录
[root@master .ssh]# scp -rp ~/.ssh/authorized_keys slave1:~/.ssh/The authenticity of host 'slave1 (192.168.1.61)' can't be established.RSA key fingerprint is b4:27:81:34:c0:c2:3d:98:61:be:62:69:68:85:8c:33.Are you sure you want to continue connecting (yes/no)? yesWarning: Permanently added 'slave1' (RSA) to the list of known hosts.root@slave1's password:authorized_keys 100% 786 0.8KB/s 00:00#测试master免密码ssh连接slave1
[root@master .ssh]# ssh slave1Last login: Mon Apr 17 14:09:45 2017 from 192.168.1.135[root@slave1 ~]# ll#测试slave1免密码ssh连接master
# 第一次ssh连接需要输入yes[root@slave1 ~]# ssh masterThe authenticity of host 'master (192.168.1.60)' can't be established.RSA key fingerprint is a4:f6:72:da:57:63:39:8b:80:59:d6:b9:ce:cb:58:a5.Are you sure you want to continue connecting (yes/no)? yesWarning: Permanently added 'master,192.168.1.60' (RSA) to the list of known hosts.Last login: Mon Apr 17 14:05:39 2017 from 192.168.1.135[root@master ~]# exitlogoutConnection to master closed.# 第二次直接免密码连接[root@slave1 ~]# ssh masterLast login: Tue Apr 18 16:40:42 2017 from slave1[root@master ~]#
#Game Over
