chapter05作业

1、为主机新增两块30GBSCSI硬盘

[root@localhost ~]# fdisk -l

磁盘 /dev/sdb32.2 GB, 32212254720 字节,62914560 个扇区

Units = 扇区 of 1 * 512 = 512 bytes

扇区大小(逻辑/物理)512 字节 / 512 字节

I/O 大小(最小/最佳)512 字节 / 512 字节

 

磁盘 /dev/sdc32.2 GB, 32212254720 字节,62914560 个扇区

Units = 扇区 of 1 * 512 = 512 bytes

扇区大小(逻辑/物理)512 字节 / 512 字节

I/O 大小(最小/最佳)512 字节 / 512 字节

2、划分3个主分区,各5GB,剩余空间作为扩展分区

   设备 Boot      Start         End      Blocks   Id  System

/dev/sdb1            2048    10487807     5242880   83  Linux

/dev/sdb2        10487808    20973567     5242880   83  Linux

/dev/sdb3        20973568    31459327     5242880   83  Linux

/dev/sdb4        31459328    62914559    15727616    5  Extended

3、在扩展分区中建立2个逻辑分区,容量分别为2GB10GB

   设备 Boot      Start         End      Blocks   Id  System

/dev/sdb1            2048    10487807     5242880   83  Linux

/dev/sdb2        10487808    20973567     5242880   83  Linux

/dev/sdb3        20973568    31459327     5242880   83  Linux

/dev/sdb4        31459328    62914559    15727616    5  Extended

/dev/sdb5        31461376    35655679     2097152   83  Linux

/dev/sdb6        35657728    56629247    10485760   83  Linux

4、将第一个逻辑分区的类型改为swap

  设备 Boot      Start         End      Blocks   Id  System

/dev/sdb1            2048    10487807     5242880   83  Linux

/dev/sdb2        10487808    20973567     5242880   83  Linux

/dev/sdb3        20973568    31459327     5242880   83  Linux

/dev/sdb4        31459328    62914559    15727616    5  Extended

/dev/sdb5        31461376    35655679     2097152   82  Linux swap / Solaris

/dev/sdb6        35657728    56629247    10485760   83  Linux

5、将第一个主分区格式化为ext4

[root@localhost ~]# mkfs.ext4 /dev/sdb1 

mke2fs 1.42.9 (28-Dec-2013)

文件系统标签=

OS type: Linux

块大小=4096 (log=2)

分块大小=4096 (log=2)

Stride=0 blocks, Stripe width=0 blocks

327680 inodes, 1310720 blocks

65536 blocks (5.00%) reserved for the super user

第一个数据块=0

Maximum filesystem blocks=1342177280

40 block groups

32768 blocks per group, 32768 fragments per group

8192 inodes per group

Superblock backups stored on blocks:

32768, 98304, 163840, 229376, 294912, 819200, 884736

 

Allocating group tables: 完成                            

正在写入inode: 完成                            

Creating journal (32768 blocks): 完成

Writing superblocks and filesystem accounting information: 完成

6、将第二个主分区格式化为xfs

[root@localhost ~]# mkfs.xfs /dev/sdb2

meta-data=/dev/sdb2              isize=256    agcount=4, agsize=327680 blks

         =                       sectsz=512   attr=2, projid32bit=1

         =                       crc=0        finobt=0

data     =                       bsize=4096   blocks=1310720, imaxpct=25

         =                       sunit=0      swidth=0 blks

naming   =version 2              bsize=4096   ascii-ci=0 ftype=0

log      =internal log           bsize=4096   blocks=2560, version=2

         =                       sectsz=512   sunit=0 blks, lazy-count=1

realtime =none                   extsz=4096   blocks=0, rtextents=0

7、将第三个主分区格式化为FAT32

[root@localhost ~]# mkfs -t vfat -F 32 /dev/sdb3

mkfs.fat 3.0.20 (12 Jun 2013)

8、创建 /data1 /data2 /data3

[root@localhost ~]# mkdir /data1 /data2 /data3 && ls / | grep "^data"

data1

data2

data3

9、将第一个主分区挂载到/data1,在目录中创建文件测试,并实现 /etc/fstab

[root@localhost ~]# mount /dev/sdb1 /data1/ && touch  /data1/1.txt && echo "/dev/sdb1           /data1     ext4    auto  1 2" >> /etc/fstab &&ls /data1/ && tail -1 /etc/fstab  

1.txt  lost+found

/dev/sdb1           /data1     ext4    auto  1 2

10、将第二个主分区挂载到/data2,在目录中创建文件测试,并实现 /etc/fstab

[root@localhost ~]# mount /dev/sdb2 /data2/ && touch  /data2/1.txt && echo "/dev/sdb2           /data2     xfs    auto  1 2" >> /etc/fstab &&ls /data1/ && tail -1 /etc/fstab  

1.txt  lost+found

/dev/sdb2           /data2     xfs    auto  1 2

11、将第个主分区挂载到/data3,在目录中创建文件测试,并基于UUID实现 /etc/fstab

[root@localhost ~]# mount /dev/sdb3 /data3/ && touch  /data3/1.txt && echo "UUID=83D3-36C2           /data     vfat    auto  1 2" >> /etc/fstab &&ls /data3/ && tail -1 /etc/fstab  

1.txt

UUID=83D3-36C2           /data     vfat    auto  1 2

12、将第一个逻辑分区格式化swap格式,将swap分区扩展,测试查看

[root@localhost ~]# mkswap /dev/sdb5

正在设置交换空间版本 1,大小 = 2097148 KiB

无标签,UUID=fde91455-d522-48bb-92cc-801f0632250f

[root@localhost ~]# swapon /dev/sdb5

[root@localhost ~]# cat /proc/meminfo | grep -i "swaptotal"

SwapTotal:       4194296 kB

13、通过xftp等工具将linux.iso 传到linux虚拟机中,并挂载查看内容

[root@localhost ~]# mount /dev/sr0 /media/

mount: /dev/sr0 写保护,将以只读方式挂载

mount: /dev/sr0 已经挂载或 /media

       /dev/sr0 已经挂载到 /media

14、基于文件方式将SWAP扩大500M

[root@localhost ~]# dd if=/dev/zero of=/root/1 bs=1M count=500

记录了500+0 的读入

记录了500+0 的写出

524288000字节(524 MB)已复制,1.61545 秒,325 MB/

[root@localhost ~]# mkswap 1

正在设置交换空间版本 1,大小 = 511996 KiB

无标签,UUID=20b2cc61-0605-4d0e-8ded-25c6dbb871a8

[root@localhost ~]# swapon 1

swapon: /root/1:不安全的权限 0644,建议使用 0600

[root@localhost ~]# grep -i "swaptotal" /proc/meminfo

SwapTotal:       4706292 kB

15、利用dd命令将光盘内容制作成iso镜像文件

[root@localhost ~]# dd if=/dev/sr0 of=/root/linux.ios
记录了8419328+0 的读入
记录了8419328+0 的写出
4310695936字节(4.3 GB)已复制,201.359 秒,21.4 MB/秒

[root@localhost ~]# ls

anaconda-ks.cfg linux.ios partedsdb.sh

16、查看磁盘的使用情况

[root@localhost ~]# df -hT
文件系统 类型 容量 已用 可用 已用% 挂载点
/dev/mapper/centos-root xfs 38G 4.6G 33G 13% /
devtmpfs devtmpfs 481M 0 481M 0% /dev
tmpfs tmpfs 490M 92K 490M 1% /dev/shm
tmpfs tmpfs 490M 7.1M 483M 2% /run
tmpfs tmpfs 490M 0 490M 0% /sys/fs/cgroup
/dev/sda1 xfs 497M 107M 391M 22% /boot
/dev/sr0 iso9660 4.1G 4.1G 0 100% /run/media/tianyuan/CentOS 7 x86_64
/dev/sdb1 ext4 4.5G 19M 4.2G 1% /data1
/dev/sdb2 xfs 4.7G 33M 4.7G 1% /data2
/dev/sdb3 vfat 4.7G 4.0K 4.7G 1% /data3

17、利用parted命令将上述分区过程对另一个硬盘重做一遍

#!/bin/bash

if [ -d "/data1" ];then
rm -fr /data1
fi

if [ -d "/data2" ];then
rm -fr /data2
fi

if [ -d "/data3" ];then
rm -fr /data3
fi


echo "mklabel
gpt
mkpart
sdb1
ext4
1
5G
mkpart
sdb2
ext4
5G
10G
mkpart
sdb3
ext4
10G
15G
p
q
" | parted /dev/sdb

mkfs.xfs /dev/sdb2
mkfs.ext4 /dev/sdb1
mkfs.vfat -F 32 /dev/sdb3

mkdir /data{1..3}


mount /dev/sdb1 /data1
touch /data1/1.txt
echo "/dev/sdb1 /data1 ext4 defaults 1 0" >> /etc/fstab
mount /dev/sdb2 /data2
touch /data2/2.txt
echo "/dev/sdb2 /data2 xfs defaults 1 0" >> /etc/fstab
mount /dev/sdb3 /data3
touch /data3/3.txt
echo "dev/sdb3 /data3 vfat defaults 1 0" >> /etc/fstab

if [ -f "/data1/1.txt" ];then
echo "sdb1挂载成功!"
else
echo "挂载失败!"
fi

if [ -f "/data2/2.txt" ];then
echo "sdb2挂载成功!"
else
echo "挂载失败!"
fi

if [ -f "/data3/3.txt" ];then
echo "sdb3挂载成功!"
else
echo "挂载失败!"
fi

tail -3 /etc/fstab
mount | tail -3

=====================================================

GNU Parted 3.1
使用 /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) mklabel
新的磁盘标签类型? gpt
警告: The existing disk label on /dev/sdb will be destroyed and all data on this disk will be lost. Do you want to continue?
(parted) mkpart
分区名称? []? sdb1
文件系统类型? [ext2]? ext4
起始点? 1
结束点? 5G
(parted) mkpart
分区名称? []? sdb2
文件系统类型? [ext2]? ext4
起始点? 5G
结束点? 10G
(parted) mkpart
分区名称? []? sdb3
文件系统类型? [ext2]? ext4
起始点? 10G
结束点? 15G
(parted) p
Model: VMware, VMware Virtual S (scsi)
Disk /dev/sdb: 32.2GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:

Number Start End Size File system Name 标志
1 1049kB 5000MB 4999MB ext4 sdb1
2 5000MB 10.0GB 5001MB xfs sdb2
3 10.0GB 15.0GB 5000MB fat32 sdb3

(parted) q
信息: You may need to update /etc/fstab.

mkfs.xfs: /dev/sdb2 appears to contain an existing filesystem (xfs).
mkfs.xfs: Use the -f option to force overwrite.
mke2fs 1.42.9 (28-Dec-2013)
文件系统标签=
OS type: Linux
块大小=4096 (log=2)
分块大小=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
305216 inodes, 1220352 blocks
61017 blocks (5.00%) reserved for the super user
第一个数据块=0
Maximum filesystem blocks=1249902592
38 block groups
32768 blocks per group, 32768 fragments per group
8032 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736

Allocating group tables: 完成
正在写入inode表: 完成
Creating journal (32768 blocks): 完成
Writing superblocks and filesystem accounting information: 完成

mkfs.fat 3.0.20 (12 Jun 2013)
sdb1挂载成功!
sdb2挂载成功!
sdb3挂载成功!
/dev/sdb1 /data1 ext4 defaults 1 0
/dev/sdb2 /data2 xfs defaults 1 0
dev/sdb3 /data3 vfat defaults 1 0
/dev/sdb1 on /data1 type ext4 (rw,relatime,seclabel,data=ordered)
/dev/sdb2 on /data2 type xfs (rw,relatime,seclabel,attr2,inode64,noquota)
/dev/sdb3 on /data3 type vfat (rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=ascii,shortname=mixed,errors=remount-ro)

18、尝试利用shell脚本配置yum仓库

delyum.sh

#!/bin/bash

a="/etc/yum.repos.d/a"

l="/etc/yum.repos.d/local.repo"

m="/media/Packages"

cd /etc/yum.r*

if [ -d "$a" ]; then

    mv a/C* ./

    rm -fr a

    echo "以剪切复制"

else

    echo "不存在a目录"

fi

 

if [ -f "$l" ]; then

   rm -f local.repo

   echo "已删除文件"

else

    echo "不存在local.repo"

fi

 

if [ -d "$m" ]; then

    umount /media

    echo "已取消挂载"

else

    echo "media未挂载"

fi

 

echo "全部清除可以重新建立yum仓库"

yum.sh

#!/bin/bash

a="/root/delyum.sh"

if [ ! -x "$a" ]; then

    chmod u+x /root/delyum.sh

    sh delyum.sh

else

    sh delyum.sh

fi

 

umount /media

mount /dev/sr0 /media

 

cd /etc/yum.r*

mkdir ./a

mv C* ./a/

echo -e "[cdrom] name=cdrom baseurl=file:///media enabled=1 gpgcheck=0" >> ./local.repo

yum -y clean all

yum makecache

19、尝试利用shell脚本配置httpd服务

delyuan.sh

#!/bin/bash

 

a="/usr/src/httpd-2.2.17"

b="/usr/local/apache"

 

/usr/local/apache/bin/apachectl stop

 

if [ -d "$a" ]; then

      rm -fr /usr/src/httpd*

      echo "文件夹删除成功"

else

      echo " 没有httpd的文件夹"

fi

 

if [ -d "$b" ]; then

      rm -fr /usr/local/apache

      echo "文件夹删除成功"

else

      echo " 没有apache的文件夹"

fi

 

echo "清理完成可以创建源码安装"

yuanmahttpd.sh

#!/bin/bash

h="/root/httpd-2.2.17.tar.gz"

rmyuan="/root/delyuan.sh"

 

 

sh /root/delyum.sh

sh /root/yum.sh

yum -y install gcc gcc-c++ make lynx

 

if [ ! -x "$rmyuan" ]; then

    chmod u+x /root/delyuan.sh

    sh delyuan.sh

else

    sh delyuan.sh

fi

 

if [ -e "$h" ]; then

   tar -xf httpd* -C /usr/src/

   echo "解压源码包"

else

   echo "源码包不存在,退出程序 "

   exit

fi

cd /usr/src/httpd*/

./configure --prefix=/usr/local/apache

make

make install

cd /usr/local/apache/conf

cp httpd.conf httpd.conf.brb

sed -i "s/#ServerName www/ServerName www/g" httpd.conf

/usr/local/apache/bin/apachectl start

lynx 127.0.0.1

echo "完成安装"

20、尝试利用shell脚本将2~12题实现

原文地址:https://www.cnblogs.com/fengling1998/p/11276548.html