如何搭建本地和网络yum源?-创新互联

1、自建yum仓库,分别为网络源和本地源

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1)挂载光盘镜像

[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 <

> [local]

> name=centos7.6

> baseurl=file:///mnt

> enabled=1

> gpgcheck=0

> EOF

3)安装httpd并搭建网络yum源

[root@centos7 yum.repos.d]# yum install httpd -y   #安装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)验证网络yum源(在另外一台centos7上验证)

配置使用网络yum源:

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

[local]

name=centos7.6

baseurl=http://网络yum源的ip/centos7.6

enabled=1

gpgcheck=0

[root@jumpserver yum.repos.d]#

安装httpd成功代表网络yum源可用

[root@jumpserver yum.repos.d]# yum install httpd -y
2、编译安装http2.4,实现可以正常访问,并将编译步骤和结果提交。

1)解压

[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.

安装缺少的依赖包:

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

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

3)编译

[root@centos7 httpd-2.4.41]# make

4)安装

[root@centos7 httpd-2.4.41]# make install

5)启动并验证

[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

It works!

[root@centos7 bin]#

3、创建一个2G的文件系统,块大小为2048byte,预留1%可用空间,文件系统 ext4,卷标为TEST,要求此分区开机后自动挂载至/test目录,且默认有acl挂载选项

1)为虚拟机添加一块硬盘并让系统马上识别硬盘

[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)创建一个2G的分区

[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)按要求创建分区并挂载

[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
、创建一个至少有两个PV组成的大小为20G的名为testvg的VG;要求PE大小为16MB, 而后在卷组中创建大小为5G的逻辑卷testlv;挂载至/users目录1) 创建2个10G大小的分区

[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)创建pv

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

 Physical volume "/dev/sdb2" successfully created.

 Physical volume "/dev/sdb3" successfully created.

[root@centos7 ~]#

3)创建逻辑卷组

[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)创建大小为5G的逻辑卷testlv;挂载至/users目录

[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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