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实验2 linux命令深入学习 tar 压缩和解压缩命令 压缩: tar –cf abc.tar file1 file2 file3 ... 将 file1,file2,file3 等文件,打包生成 abc.tar 压缩文件。 2 )解压缩 tar -xf abc.tar -C hadoop 把 abc.tar 解压缩到 hadoop 目录下。 2. ifconfig # 查看本机 IP 地址信息 ifconfig –a 查看详细网络配置 , 记下物理网卡对应的名称,如 eth0 ifconfig eth0 10.176.9.* netmask 255.255.240.0 配置 IP 地址和子网掩码 route add default gw 10.176.9.254 配置网关 3.ping 测试网络状况 格式: ping ip 地址 ping 域名 4. useradd 添加新用户 5. passwd 新用户名 为新用户设置登录密码 6. 通过修改配置文件,配置网络: /etc/network/interfaces 文件 sudo vim /etc/network/interfaces 按 I 进入插入状态,输入以下内容 iface eth0 inet static address 10.176.9.100 netmask 255.255.240.0 gateway 10.176.9. 254 按 ESC 退回,: wq 保存退出。 7. 使用sudo vim /etc/resolvconf/resolv.conf.d/base 修改DNS 输入: nameserver 桌面上的 DNS1 地址 nameserver 桌面上的 DNS2 地址 保存退出 执行 resolvconf –u 然后执行以下命令: service networking restar sudo /etc/init.d/networking restart 重启网卡,使配置生效。 再次用 ifconfig –a 查看网络参数,看有何变化。 8. traceroute ip 或域名 路由跟踪命令 使用 traceroute 淘宝或百度,看数据包需要几次转发,才到达目的主机(注:淘宝和百度都使用 hadoop 集群的 HDFS 分布式文件系统)。 exit # 退出并关闭 Linux 终端 9. 按 PPT 里提供的资源地址,试着下载 ubuntu 和 HADOOP 的镜像文件。 实验总结:(实验心得体会、遇到的问题及解决过程)
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举一反三
【单选题】三 Mike is a 12⁃year⁃old boy. He 21 from New York. He is in Class 3, Grade 7. Mr Black is his class teacher. He is a good teacher. All the students of 22 class like him very much. There are for...
A.
gets
B.
comes
C.
leaves
D.
goes
【单选题】三 Mike is a 12⁃year⁃old boy. He 21 from New York. He is in Class 3, Grade 7. Mr Black is his class teacher. He is a good teacher. All the students of 22 class like him very much. There are for...
A.
for
B.
on
C.
from
D.
at
【单选题】三 Mike is a 12⁃year⁃old boy. He 21 from New York. He is in Class 3, Grade 7. Mr Black is his class teacher. He is a good teacher. All the students of 22 class like him very much. There are for...
A.
happy
B.
busy
C.
careful
D.
strange
【单选题】下列哪一组力度记号是由弱到强按顺序排列的?
A.
mp-p-pp
B.
pp-mp-mf
C.
mp-f-mf
D.
pp-f-mp
【单选题】个人银行结算账户用于办理个人转账收付和现金支取,储蓄账户用于办理现金存取业务,也可以办理转账业务。
A.
正确
B.
错误
【单选题】下列哪一组力度记号是由弱到强按照顺序排列的?( )
A.
mp—p—pp
B.
pp—mp—nlf
C.
mp—f—mf
D.
pp—f—mp
【单选题】三 Mike is a 12⁃year⁃old boy. He 21 from New York. He is in Class 3, Grade 7. Mr Black is his class teacher. He is a good teacher. All the students of 22 class like him very much. There are for...
A.
tells
B.
talks
C.
says
D.
speaks
【简答题】个人银行结算账户用于办理个人转账收付和现金支取,储蓄账户用于办理现金存取业务.也可以办理转账业务。( )
【单选题】三 Mike is a 12⁃year⁃old boy. He 21 from New York. He is in Class 3, Grade 7. Mr Black is his class teacher. He is a good teacher. All the students of 22 class like him very much. There are for...
A.
my
B.
their
C.
his
D.
her
【简答题】个人银行结算账户用于办理个人转账收付和现金支取,储蓄账户用于办理现金存取业务,也可以办理转账业务。( )
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