RHCT+RHCE题库+答案Word格式.docx
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RHCT+RHCE题库+答案Word格式.docx
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2、#chown.staff/shared/staff
#ll-d/shared/staff
3、#chmod775/shared/staff
4、#setfacl-mu:
taliesin:
0/shared/staff
#getfacl/shared/staff
问题4:
1、#cp/etc/fstab/tmp/
#ll/tmp/fstab
2、#chmoda-x/tmp/fstab
3、#setfacl-mu:
naima:
rw/tmp/fstab
#getfacl/etc/fstab
问题5:
1、#vim/etc/sysctl.conf
Net.ipv4.ip_forward=1
wq
2、#sysctl–p
3、#lftp192.168.0.254(查看新kernel的名字,并复制)
4、#rpm-ivhftp:
//server1/pub/errata/kernel*
5、#vim/etc/grub.conf
修改default=num来更改默认启动,default=0,则默认启动菜单第1行的操作系统,default=1,则启动第2行的系统
问题6:
1、#system-config-printer
打印机名:
station15
选择连接为:
ipp,主机名:
192.168.0.254,打印机名:
选择打印机为:
Generic
型号:
text-onlyprinter
最后设置为默认打印机
2、#echo“”|lpr
#firefox
登陆地址检查打印情况
问题7:
1、#crontab-unaima-e
4520***/bin/echohello
2、#servicecrondrestart
#chekconfigcrondon
3、#crondtab-unaima-l
4、#vim/etc/ntp.conf
server
5、#servicentpdrestart
#chkconfigntpdon
6、#system-config-date进行检查
问题8:
1、#authconfig-tui
选中nis
域:
notexmple
服务器:
192.168.0.254
2、#showmount-e192.168.0.254
3、#vim/etc/auto.master
/home/guests/etc/nis.misc
4、#cp/etc/auto.misc/etc/nis.misc
5、#vim/etc/nis.misc
guest2015-fstype=nfs192.168.0.254:
/home/guests/guest2015
6、#serviceautofsrestart
#chkconfigautofson
7、#su-guest2015
查看是否进入家目录
问题9:
1、#fdisk-l
2、#fdisk/dev/sda
ne回车回车
n回车+300M回车
t583
w
3、#partprobe/dev/sda
4、#mkfs.ext3/dev/sda5
5、#mkdir/common
6、#mount/dev/sda5/common
7、#vim/etc/fstab
/dev/sdb1/commonext3defaults00
8、#mount-a
9、#ll/common
有lost+found文件,表示挂载成功
问题10:
1、#vim/etc/yum.repos.d/rhel-debuginfo.repo
[base]
name=rhelbase
baseurl=http:
//192.168.0.254/pub/Server
enable=1
gpgcheck=0
2、#yumlist
RHCE部分:
必做题:
1、#useradddisklog
2、#vim/etc/fstab
/dev/vol0/home/homeext3defaults,usrquota12
3、#mount-oremount/home
4、#quotacheck-cu/home
5、#quotaon-v/home
6、#edquota-udisklog
Safthard
4080
:
7、测试:
#su-disklog
#cd
#ddif=/dev/zeroof=file1bs=1kcount=50
是否有警告信息,有则正常
#ddif=/dev/zeroof=file1bs=1kcount=90
是否提示超出磁盘配额,有则配置成功
一、逻辑卷增大操作
1、#df-h
FilesystemSizeUsedAvailUse%Mountedon
/dev/mapper/vol0-root
7.8G2.7G4.7G37%/
/dev/mapper/vol0-home
496M19M452M4%/home
/dev/sda199M19M76M20%/boot
tmpfs252M0252M0%/dev/shm
2、#lvdisplay
---Logicalvolume---
LVName/dev/vol0/root
VGNamevol0
LVUUIDPkjym5-KYpl-ZxdH-6R0K-bguV-NwIz-I2bEBE
LVWriteAccessread/write
LVStatusavailable
#open1
LVSize8.00GB
CurrentLE256
Segments1
Allocationinherit
Readaheadsectors0
Blockdevice253:
LVName/dev/vol0/home
LVUUID8pxdRs-L3qm-41AK-NFpi-FDdv-sDwI-v2t5sL
LVSize512.00MB
CurrentLE16
Readaheadsectors0
1
3、#fdisk/dev/sda
n回车+200M
t68e
w
4、#partprobe/dev/sda
5、#mkfs.ext3/dev/sda6
6、#pvcreate/dev/sda6
7、#vgextendvol0/dev/sda6
8、#lvextend-L+200M/dev/vol0/home
9、#resize2fs/dev/vol0/home
10、#df-h
713M19M658M3%/home
11、[root@station15~]#lvdisplay
LVUUIDPkjym5-KYpl-ZxdH-6R0K-bguV-NwIz-I2bEBE
---Logicalvolume---
LVName/dev/vol0/home
VGNamevol0
LVSize736.00MB
CurrentLE23
二、逻辑卷压缩操作
2、#umount/home/
3、#df-h
4、#e2fsck-f/dev/vol0/home
e2fsck1.39(29-May-2006)
Pass1:
Checkinginodes,blocks,andsizes
Pass2:
Checkingdirectorystructure
Pass3:
Checkingdirectoryconnectivity
Pass4:
Checkingreferencecounts
Pass5:
Checkinggroupsummaryinformation
/dev/mapper/vol0-home:
19/188416files(5.3%non-contiguous),42802/753664blocks
5、#resize2fs-f/dev/vol0/home200M
resize2fs1.39(29-May-2006)
Resizingthefilesystemon/dev/mapper/vol0-hometo204800(1k)blocks.
Thefilesystemon/dev/mapper/vol0-homeisnow204800blockslong.
6、#e2fsck-f/dev/vol0/home
19/51200files(5.3%non-contiguous),24474/204800blocks
7、#lvresize-L200M/dev/vol0/home
Roundingupsizetofullphysicalextent224.00MB
WARNING:
Reducingactivelogicalvolumeto224.00MB
THISMAYDESTROYYOURDATA(filesystemetc.)
Doyoureallywanttoreducehome?
[y/n]:
y
Reducinglogicalvolumehometo224.00MB
Logicalvolumehomesuccessfullyresized
8、#mount/dev/vol0/home/home/
9、#df-h
194M18M169M10%/home
#iptables-AINPUT-ilo-jACCEPT
#iptables-AINPUT-picmp-jACCEPT
#iptables-AINPUT-s192.168.0.0/24-ptcp--dport22-jACCEPT
#iptables-AINPUT-mstate--stateESTABLISHED,RELATED-jACCEPT
#iptables-AINPUT-mstate--stateNEW-pudp--dport514-jACCEPT
#iptables-AINPUT-jDROP
#serviceiptablessave
#serviceiptablesrestart
#vim/etc/sysconfig/iptables
1、#yuminstallvsftpd
2、#chkconfigvsftpdon
3、#servicevsftpdrestart
4、#vim/etc/sysconfig/iptables-config
IPTABLES_MODULES=“ip_conntrack_netbios_nsip_conntrack_ftp”
5、#iptables-IINPUT-s192.168.0.0/24-ptcp--pdort21-jACCEPT
#iptables-IINPUT-s192.168.0.0/24-pudp--pdort21-jACCEPT
1、#yuminstallsamba*
2、#chkconfigsmbon
3、#servicesmbrestart
4、#vim/etc/samba/smb.conf
Workgroup=STAFF
[common]
comment=PublicStuff
path=/common
public=yes
browseable=yes
;
writable=yes
printable=no
writelist=+staff
#servicesmbrestart
5、#iptables-IINPUT-s192.168.0.0/24-ptcp--dport137:
139-jACCEPT
#iptables-IINPUT-s192.168.0.0/24-pudp--dport137:
#iptables-IINPUT-s192.168.0.0/24-ptcp--dport445-jACCEPT
#iptables-IINPUT-s192.168.0.0/24-pudp--dport445-jACCEPT
7、#chcon-tsamba_share_t/common
8、#smbpasswd-ataliesin
password
9、测试:
#smbclient-L192.168.0.15
#smbclient-L192.168.0.15-Utaliesin
passwd:
#smbclient//192.168.0.15/common-Utaliesin
显示正常则正确
问题6+选作问题3:
1、#yuminstallhttpd
2、#chkconfighttpdon
3、#servicehttpdrestart
4、#mkdir/var/www/virtual
5、#lftp
cdpub/rhce
getstation.html
getwww.html
6、#cpstation.html/var/www/html/index.html
#cpwww.html/var/www/virtual/index.html
7、#vim/etc/httpd/conf/httpd.conf
NameVirtualHost192.168.0.15:
80
<
VirtualHost192.168.0.15:
80>
ServerAdminwebmaster@
DocumentRoot/var/www/html
ServerName
ErrorLoglogs/-error_log
CustomLoglogs/-access_logcommon
/VirtualHost>
ServerAdminwebmaster@
DocumentRoot/var/www/virtual
CustomLoglogs/-access_logcommon
#servicehttpdrestart
8、#iptables-IINPUT-ptcp--dport80-jACCEPT
#iptables-IINPUT-pudp--dport80-jACCEPT
#elinks
显示正常则配置正确
1、#chkconfignfson
#chkconfigportmapon
2、#servicenfsrestart
#serviceportmaprestart
3、#vim/etc/exports
/share192.168.0.0/255.255.255.0(rw,sync)
4、#vim/etc/sysconfig/nfs
RQUOTAD_PORT=4001
LOCKD_TCPPORT=4002
LOCKD_UDPPORT=4002
MOUNTD_PORT=4003
STATD_PORT=4004
#servicenfsrestart
5、#rpcinfo–p
6、#iptables-IINPUT-s192.168.0.0/24-ptcp--dport4001:
4004-jACCEPT
#iptables-IINPUT-s192.168.0.0/24-pudp--dport4001:
#iptables-IINPUT-s192.
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