2011年8月红帽考试题及答案.doc

CHSCA 题外： 1.开机更改密码 Esc e [进入1模式] enter b[boot启动] setenforce 0 {置于宽容模式修改密码} passwd reboot 2.service NetworkManager stop ; chkconfig NetworkManager off 3.service iptables stop ;chkconfig iptables off #网络设置 Hostname: station.domainX0. IP:192.168.0.X NETMASK: GATEWAY:54 1’ vim /etc/sysconfig/network 2’vim /etc/sysconfig/network-scripts/ifcfg-eth0 3’vim /etc/resolv.conf [ DNS] 4’vim /etc/hosts #配置yum 源 指定到 HYPERLINK 54/pub/rhel6/dvd/Server 54/pub/rhel6/dvd/Server 1’cd /etc/yum.repos.d/ 若有其他，mv dvd.repo gls.repo ../ 2’vim exam.repo[ 编辑yum源] [Server] name=Server baseurl= HYPERLINK 54/pub/rhel6/dvd/Server 54/pub/rhel6/dvd/Server enable=1 gpgcheck=0 3’yum list {yum clean all 清除缓存} #lvm 扩容 Will “/home lv” extend to 300 M (no more than 30 M error) 1’lvdisplay 2’lvextend -L 300M /dev/vol0/home[ 要扩容的目标路径] 3’resize2fs /dev/vol0/home 4’lvdisplay #lvm缩容 reduce to 200M 1’lvdisplay 2’umount /home 3’fsck -f /dev/vol0/home 4’resize2fs /dev/vol0/home 200M 5’lvreduce -L 200M /home/vol0/home 6’mount /home #组管理 Add a group named “admin” 1’groupadd -g 2000 admin 2’grep admin /etc/group #用户管理 Add user “tom”, ask its home directory is /home/tommy Add user “mike”, ask its uid is 800, its affiliated groups is “admin “ Add user “selina”,can’t land shell Passwd :redhat 1’useradd -d /home/tommy tom 2’useradd -u 800 –G admin mike usermod –aG admin 添加新组 3’useradd -s /sbin/nologin selina 4’for UNAME in tom mike do echo “redhat”| passwd --stdin $UNAME done #文件权限 Copy file /etc/passwd to /var/tmp owners is root , group ：admin,the members of admin can write in it Others without any access 1’cp /etc/passwd /var/tmp 2’chgrp admin passwd chown root:admin passwd 3’chmod 660 passwd #目录权限 Create directory /admin/sales /admin/devel /admin/training /admin/sales owner is root ,group is admin ,all users in the directory can create documents, but the files and directorys you