网络工程Redhat习题.docVIP

1、/home分区LVM从190M缩小为100M #df#umount /home#e2fsck -f /dev/mapper/vgsrv-home.........验证所有文件系统数据结构是否都已得到清理。#resize2fs -p /dev/mapper/vgsrv-home 100M....调整文件系统的大小#lvreduce -L 100M /dev/maper/vgsrv-home#mount /dev/mapper/vgsrv-home /home# groupadd manager# useradd natasha# useradd harry# usermod -G manager natasha# usermod -G manager harry# useradd -s /sbin/nologin strlt 3、/etc/fstab复制到/var/tmp/fstab，设置harry可以读写，natasha不能做任何操作，其他用户可读，设置manager组为fstab所属组 # cp /etc/fstab /var/tmp/fstab# chmod 644? /var/tmp/fstab# setfacl -m u:harry:rw /var/tmp/fstab.........默认根分区支持acl?setfacl -m u:natasha:- /var/tmp/fstab# getfacl /var/tmp/fstabchgrp manager /var/tmp/fstab “file_world” # crontab -u natasha -e? 23 14 * * *? echo “file_world”# crontab -u natasha -l....................查看?? 23 14 * * *? echo “file_world”# su – nattasha$ crontab -l?? 23 14 * * *? echo “file_world”# rpm -ivh +新内核# vim /boot/grub/grub.conf? defaults=1.........默认新添加内核放在旧内核前面，defaults=1表示使用后面的，即旧内核# useradd -u 4000 susa 7、加入ldap服务器，dc=example,dc=com ldap://，用户认证方式ldap # system-config-authentication..........配置# service sssd restart# getent passwd ldauser1# vim /etc/auto.master? /home/guests?? ?/etc/auto.guests# vim /etc/auto.guests? * ?? ?-rw?? ??? ?54/home/guests/# service autofs reload# chkconfig autofs on# /etc/init.d/autofs restart# su - ldapuser1 8、自动挂载家目录/home/guests/ldapuser20挂载到/home/guests目录 vi?/etc/auto.master ??/home/guests?/etc/auto.home #?vi?/etc/auto.home ??Ldapuser20?:/home/guests/ldapuser20 #?/etc/init.d/autosf?stop #?/etc/init.d/autofs?start #?su?–?ldapuser20???? 9、NTP服务器设置指向54 # vim /etc/ntp.conf?? server 54# /etc/init.d/ntpd restart# chkconfig ntpd on 10、apache的web访问，从/pub/station.html下载到本地，可以访问本地http://serverX. # vim /var/www/html/index.html?? hello# vim /etc/httpd/conf/httpd.conf??? NameVirtualHost *:80??? VirtualHost *：80?????? DocumentRoot?? /var/www/html?????? ServerName??? ??? /VirtualHost# /etc/init.d/httpd restart# chkconfig? httpd? on# elinks