Centos7.2 Environment Readiness _ Configure local Yum source off Firewalld and SELinux

First, configure the local Yum source

#查看yum源目录
[Email protected] ~]# ll/etc/yum.repos.d/
Total Dosage 28
-rw-r--r--. 1 root root 1664 December 9 Centos-base.repo
-rw-r--r--. 1 root root 1309 December 9 Centos-cr.repo
-rw-r--r--. 1 root root 649 December 9 Centos-debuginfo.repo
-rw-r--r--. 1 root root 290 December 9 Centos-fasttrack.repo
-rw-r--r--. 1 root root 630 December 9 Centos-media.repo
-rw-r--r--. 1 root root 1331 December 9 Centos-sources.repo
-rw-r--r--. 1 root root 1952 December 9 Centos-vault.repo

#删除自带yum源
[Email protected] ~]# mv/etc/yum.repos.d/*/tmp

#创建挂载目录
[Email protected] etc]# Mkdir/mnt/cdrom

#设置为开机自动挂载
[Email protected] etc]# Vi/etc/fstab
#
#/etc/fstab
# Created by Anaconda on Mon Mar 20 21:34:44 2017
#
# Accessible filesystems, by reference, is maintained under '/dev/disk '
# See mans Pages Fstab (5), Findfs (8), mount (8) and/or Blkid (8) for more info
#
/DEV/MAPPER/CENTOS-ROOT/XFS Defaults 0 0
Uuid=1def7626-55d2-4d85-b2b1-2d82ae268045/boot XFS Defaults 0 0
/dev/mapper/centos-home/home XFS Defaults 0 0
/dev/mapper/centos-swap swap swap defaults 0 0
/dev/cdrom/mnt/cdrom iso9660 Defaults 0 0

#以只读方式挂载
[Email protected] etc]# mount-a
Mount:/dev/sr0 write protection, will be mounted as read-only

#查看挂载目录
[Email protected] etc]# ll/mnt/cdrom/
Total dosage 636
-r--r--r--. 1 root root 14 December Centos_buildtag
Dr-xr-xr-x. 3 root root 2048 December EFI
-r--r--r--. 1 root root 215 December EULA
-r--r--r--. 1 root root 18009 December GPL
Dr-xr-xr-x. 3 root root 2048 December images
Dr-xr-xr-x. 2 root root 2048 December Isolinux
Dr-xr-xr-x. 2 root root 2048 December LiveOS
Dr-xr-xr-x. 2 root root 612352 December Packages
Dr-xr-xr-x. 2 root root 4096 December Repodata
-r--r--r--. 1 root root 1690 December rpm-gpg-key-centos-7
-r--r--r--. 1 root root 1690 December rpm-gpg-key-centos-testing-7
-r--r--r--. 1 root root 2883 TRANS. December TBL

#创建新yum源
[Email protected] etc]# cd/etc/yum.repos.d/
[Email protected] yum.repos.d]# VI Ops.repo
[CDROM]
Name=local-vcd
Baseurl=file:///mnt/cdrom
Enabled=1
Gpgcheck=0

#清除缓存
[email protected] yum.repos.d]# Yum Clean all
Loaded plugins: Fastestmirror
Cleaning up software Source: CDROM
Cleaning up everything

#查看yum源
[email protected] yum.repos.d]# Yum repolist
Loaded plugins: Fastestmirror
CDROM | 3.6 KB 00:00:00
(a): Cdrom/group_gz | 155 KB 00:00:00
(2/2): cdrom/primary_db | 2.8 MB 00:00:00
Determining fastest Mirrors
Source Identity Source Name status
CDROM LOCAL-VCD 3,723
repolist:3,723

#建立缓存
[email protected] yum.repos.d]# Yum Makecache
Loaded plugins: Fastestmirror
CDROM | 3.6 KB 00:00:00
(a): cdrom/other_db | 1.2 MB 00:00:00
(2/2): cdrom/filelists_db | 2.9 MB 00:00:00
Loading mirror speeds from cached hostfile
Metadata cache has been established

#安装常用软件
[email protected] yum.repos.d]# Yum install wget net-tools vim lrzsz tree screen lsof tcpdump-y

Close Firewalld
[Email protected] ~]# Systemctl stop Firewalld
[Email protected] ~]# systemctl disable FIREWALLD

Close Network Manager (Web management tools)
[Email protected] ~]# Systemctl stop NetworkManager
[Email protected] ~]# systemctl disable NetworkManager
Removed Symlink/etc/systemd/system/multi-user.target.wants/networkmanager.service.
Removed Symlink/etc/systemd/system/dbus-org.freedesktop.networkmanager.service.
Removed Symlink/etc/systemd/system/dbus-org.freedesktop.nm-dispatcher.service.

Turn off SELinux
[Email protected] ~]# Vi/etc/selinux/config
Selinux=disabled

Centos7.2 Environment Readiness _ Configure local Yum source off Firewalld and SELinux