如何搭建本地和網(wǎng)絡yum源？-創(chuàng)新互聯(lián)

1、自建yum倉庫，分別為網(wǎng)絡源和本地源

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1）掛載光盤鏡像

[root@centos7 ~]# mount /dev/sr0 /mnt/

[root@centos7 ~]# df -h

Filesystem Size Used Avail Use% Mounted on

/dev/mapper/centos-root 60G 5.2G 55G 9% /

devtmpfs 983M 0 983M 0% /dev

tmpfs 1000M 0 1000M 0% /dev/shm

tmpfs 1000M 75M 926M 8% /run

tmpfs 1000M 0 1000M 0% /sys/fs/cgroup

/dev/sda1 1014M 166M 849M 17% /boot

tmpfs 200M 52K 200M 1% /run/user/1008

/dev/sr0 11G 11G 0 100% /mnt

tmpfs 200M 0 200M 0% /run/user/0

2)搭建本地源

[root@centos7 yum.repos.d]# cat > local.repo <<EOF

> [local]

> name=centos7.6

> baseurl=file:///mnt

> enabled=1

> gpgcheck=0

> EOF

3）安裝httpd并搭建網(wǎng)絡yum源

[root@centos7 yum.repos.d]# yum install httpd -y #安裝成功代表本地源生效

[root@centos7 html]# cd /var/www/html

[root@centos7 html]# ln -s /mnt centos7.6

[root@centos7 html]# ls centos7.6/

CentOS_BuildTag GPL LiveOS RPM-GPG-KEY-CentOS-7

EFI images Packages RPM-GPG-KEY-CentOS-Testing-7

EULA isolinux repodata TRANS.TBL

4）驗證網(wǎng)絡yum源（在另外一臺centos7上驗證）

配置使用網(wǎng)絡yum源：

[root@jumpserver yum.repos.d]# cat local.repo

[local]

name=centos7.6

baseurl=http://網(wǎng)絡yum源的ip/centos7.6

enabled=1

gpgcheck=0

[root@jumpserver yum.repos.d]#

安裝httpd成功代表網(wǎng)絡yum源可用

[root@jumpserver yum.repos.d]# yum install httpd -y
2、編譯安裝http2.4，實現(xiàn)可以正常訪問，并將編譯步驟和結果提交。

1）解壓

[root@centos7 bin]# rpm -qi httpd

package httpd is not installed

[root@centos7 src]# tar -xf httpd-2.4.41.tar.gz

2）Configure

[root@centos7 src]# cd httpd-2.4.41/

[root@centos7 httpd-2.4.41]# ./configure

checking for chosen layout... Apache

checking for working mkdir -p... yes

checking for grep that handles long lines and -e... /usr/bin/grep

checking for egrep... /usr/bin/grep -E

checking build system type... x86_64-pc-linux-gnu

checking host system type... x86_64-pc-linux-gnu

checking target system type... x86_64-pc-linux-gnu

configure:

configure: Configuring Apache Portable Runtime library...

configure:

checking for APR... no

configure: error: APR not found. Please read the documentation.

安裝缺少的依賴包：

[root@centos7 httpd-2.4.41]# yum install apr* pcre* -y

[root@centos7 src]# cd httpd-2.4.41/

3）編譯

[root@centos7 httpd-2.4.41]# make

4）安裝

[root@centos7 httpd-2.4.41]# make install

5）啟動并驗證

[root@centos7 bin]# pwd

/usr/local/apache2/bin

[root@centos7 bin]# ./apachectl -k start

[root@centos7 bin]# ps aux |grep apache

root 14751 0.0 0.1 103732 2728 ? Ss 18:34 0:00 /usr/local/apache2/bin/httpd -k start

daemon 14754 0.0 0.1 392644 2416 ? Sl 18:34 0:00 /usr/local/apache2/bin/httpd -k start

daemon 14755 0.0 0.1 392644 2424 ? Sl 18:34 0:00 /usr/local/apache2/bin/httpd -k start

daemon 14756 0.0 0.1 458180 2424 ? Sl 18:34 0:00 /usr/local/apache2/bin/httpd -k start

[root@centos7 bin]# curl localhost

<html><body><h2>It works!</h2></body></html>

[root@centos7 bin]#

3、創(chuàng)建一個2G的文件系統(tǒng)，塊大小為2048byte，預留1%可用空間,文件系統(tǒng) ext4，卷標為TEST，要求此分區(qū)開機后自動掛載至/test目錄，且默認有acl掛載選項

1)為虛擬機添加一塊硬盤并讓系統(tǒng)馬上識別硬盤

[root@centos7 ~]# echo "- - -" > /sys/class/scsi_host/host0/scan

[root@centos7 ~]# fdisk -l

Disk /dev/sda: 107.4 GB, 107374182400 bytes, 209715200 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk label type: dos

Disk identifier: 0x0003e74f

Device Boot Start End Blocks Id System

/dev/sda1 * 2048 2099199 1048576 83 Linux

/dev/sda2 2099200 136333311 67117056 8e Linux LVM

Disk /dev/mapper/centos-root: 64.4 GB, 64424509440 bytes, 125829120 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/mapper/centos-swap: 4294 MB, 4294967296 bytes, 8388608 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/sdb: 53.7 GB, 53687091200 bytes, 104857600 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

2）創(chuàng)建一個2G的分區(qū)

[root@centos7 ~]# fdisk /dev/sdb

Welcome to fdisk (util-linux 2.23.2).

Changes will remain in memory only, until you decide to write them.

Be careful before using the write command.

Device does not contain a recognized partition table

Building a new DOS disklabel with disk identifier 0xfbaa7750.

Command (m for help): n

Partition type:

p primary (0 primary, 0 extended, 4 free)

e extended

Select (default p): p

Partition number (1-4, default 1): 1

First sector (2048-104857599, default 2048):

Using default value 2048

Last sector, +sectors or +size{K,M,G} (2048-104857599, default 104857599): +2G

Partition 1 of type Linux and of size 2 GiB is set

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

3)按要求創(chuàng)建分區(qū)并掛載

[root@centos7 ~]# mke2fs -t ext4 -b 2048 -L 'TEST' -m 1 /dev/sdb1

[root@centos7 ~]# echo "/dev/sdb1 /test ext4 acl 0 0" >> /etc/fstab

[root@centos7 ~]#mkdir /test

[root@centos7 ~]#mount -a
4、創(chuàng)建一個至少有兩個PV組成的大小為20G的名為testvg的VG;要求PE大小為16MB, 而后在卷組中創(chuàng)建大小為5G的邏輯卷testlv;掛載至/users目錄1) 創(chuàng)建2個10G大小的分區(qū)

[root@centos7 ~]# fdisk /dev/sdb

Welcome to fdisk (util-linux 2.23.2).

Changes will remain in memory only, until you decide to write them.

Be careful before using the write command.

Command (m for help): p

Disk /dev/sdb: 53.7 GB, 53687091200 bytes, 104857600 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk label type: dos

Disk identifier: 0xfbaa7750

Device Boot Start End Blocks Id System

/dev/sdb1 2048 4196351 2097152 83 Linux

Command (m for help): n

Partition type:

p primary (1 primary, 0 extended, 3 free)

e extended

Select (default p): p

Partition number (2-4, default 2):

First sector (4196352-104857599, default 4196352):

Using default value 4196352

Last sector, +sectors or +size{K,M,G} (4196352-104857599, default 104857599): +10G

Partition 2 of type Linux and of size 10 GiB is set

Command (m for help): p

Disk /dev/sdb: 53.7 GB, 53687091200 bytes, 104857600 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk label type: dos

Disk identifier: 0xfbaa7750

Device Boot Start End Blocks Id System

/dev/sdb1 2048 4196351 2097152 83 Linux

/dev/sdb2 4196352 25167871 10485760 83 Linux

Command (m for help): n

Partition type:

p primary (2 primary, 0 extended, 2 free)

e extended

Select (default p): p

Partition number (3,4, default 3):

First sector (25167872-104857599, default 25167872):

Using default value 25167872

Last sector, +sectors or +size{K,M,G} (25167872-104857599, default 104857599): +10G

Partition 3 of type Linux and of size 10 GiB is set

Command (m for help): p

Disk /dev/sdb: 53.7 GB, 53687091200 bytes, 104857600 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk label type: dos

Disk identifier: 0xfbaa7750

Device Boot Start End Blocks Id System

/dev/sdb1 2048 4196351 2097152 83 Linux

/dev/sdb2 4196352 25167871 10485760 83 Linux

/dev/sdb3 25167872 46139391 10485760 83 Linux

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

[root@centos7 ~]#

2）創(chuàng)建pv

[root@centos7 ~]# pvcreate /dev/sdb2 /dev/sdb3

Physical volume "/dev/sdb2" successfully created.

Physical volume "/dev/sdb3" successfully created.

[root@centos7 ~]#

3）創(chuàng)建邏輯卷組

[root@centos7 ~]# vgcreate -s 16MB testvg /dev/sdb2 /dev/sdb3

Volume group "testvg" successfully created

[root@centos7 ~]# vgdisplay testvg

--- Volume group ---

VG Name testvg

System ID

Format lvm2

Metadata Areas 2

Metadata Sequence No 1

VG Access read/write

VG Status resizable

MAX LV 0

Cur LV 0

Open LV 0

Max PV 0

Cur PV 2

Act PV 2

VG Size <19.97 GiB

PE Size 16.00 MiB

Total PE 1278

Alloc PE / Size 0 / 0

Free PE / Size 1278 / <19.97 GiB

VG UUID 0fGU0o-XJGc-TKQD-2G2G-bL3I-bO7I-3sV4Y0

[root@centos7 ~]#

4）創(chuàng)建大小為5G的邏輯卷testlv；掛載至/users目錄

[root@centos7 ~]# lvcreate -L 5G -n testlv testvg

Logical volume "testlv" created.

[root@centos7 ~]# lvdisplay testvg

--- Logical volume ---

LV Path /dev/testvg/testlv

LV Name testlv

VG Name testvg

LV UUID Onl32p-WxHz-TcX3-EBzf-plNB-I01E-sPCuev

LV Write Access read/write

LV Creation host, time centos7.6, 2020-03-08 21:10:12 +0800

LV Status available

# open 0

LV Size 5.00 GiB

Current LE 320

Segments 1

Allocation inherit

Read ahead sectors auto

- currently set to 256

Block device 253:2

[root@centos7 ~]# mkdir /users

[root@centos7 ~]# mkfs.xfs /dev/mapper/testvg-testlv

meta-data=/dev/mapper/testvg-testlv isize=512 agcount=4, agsize=327680 blks

= sectsz=512 attr=2, projid32bit=1

= crc=1 finobt=0, sparse=0

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

= sunit=0 swidth=0 blks

naming =version 2 bsize=4096 ascii-ci=0 ftype=1

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

[root@centos7 ~]# mount /dev/mapper/testvg-testlv /users

[root@centos7 ~]# df -h

Filesystem Size Used Avail Use% Mounted on

/dev/mapper/centos-root 60G 5.4G 55G 9% /

devtmpfs 983M 0 983M 0% /dev

tmpfs 1000M 0 1000M 0% /dev/shm

tmpfs 1000M 74M 926M 8% /run

tmpfs 1000M 0 1000M 0% /sys/fs/cgroup

/dev/sda1 1014M 166M 849M 17% /boot

tmpfs 200M 0 200M 0% /run/user/0

/dev/sr0 11G 11G 0 100% /mnt

/dev/mapper/testvg-testlv 5.0G 33M 5.0G 1% /users

[root@centos7 ~]#

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