在yum insatall 安装是报错
Failed connect to mirrors.cloud.aliyuncs.com:80; Connection refused
解决方法：
cd /etc/yum.repos.d/
[root@web /etc/yum.repos.d]# sed -i 's/gpgcheck=1/gpgcheck=0/g' /etc/yum.repos.d/CentOS-Base.repo
3)
[root@web /etc/yum.repos.d]# cat CentOS-Base.repo
CentOS-Base.repo
[base]
name=CentOS-$releasever - Base - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/os/$basearch/
http://mirrors.aliyuncs.com/centos/$releasever/os/$basearch/
http://mirrors.cloud.aliyuncs.com/centos/$releasever/os/$basearch/
gpgcheck=0
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
released updates
[updates]
name=CentOS-$releasever - Updates - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/updates/$basearch/
http://mirrors.aliyuncs.com/centos/$releasever/updates/$basearch/
http://mirrors.cloud.aliyuncs.com/centos/$releasever/updates/$basearch/
gpgcheck=0
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/extras/$basearch/
http://mirrors.aliyuncs.com/centos/$releasever/extras/$basearch/
http://mirrors.cloud.aliyuncs.com/centos/$releasever/extras/$basearch/
gpgcheck=0
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/centosplus/$basearch/
http://mirrors.aliyuncs.com/centos/$releasever/centosplus/$basearch/
http://mirrors.cloud.aliyuncs.com/centos/$releasever/centosplus/$basearch/
gpgcheck=0
enabled=0
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
contrib - packages by Centos Users
[contrib]
name=CentOS-$releasever - Contrib - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/contrib/$basearch/
http://mirrors.aliyuncs.com/centos/$releasever/contrib/$basearch/
http://mirrors.cloud.aliyuncs.com/centos/$releasever/contrib/$basearch/
gpgcheck=0
enabled=0
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
You have new mail in /var/spool/mail/root
运行 yum clean all
yum makecache
[root@web /etc/yum.repos.d]# yum clean all
Loaded plugins: fastestmirror
Cleaning repos: base epel extras remi-safe updates
Cleaning up list of fastest mirrors
[root@web /etc/yum.repos.d]# yum makecache
Loaded plugins: fastestmirror
Determining fastest mirrors
- base: mirrors.aliyun.com
- extras: mirrors.aliyun.com
- remi-safe: mirror.innosol.asia
- updates: mirrors.aliyun.com
base | 3.6 kB 00:00:00
epel | 4.7 kB 00:00:00
extras | 2.9 kB 00:00:00
remi-safe | 3.0 kB 00:00:00
updates | 2.9 kB 00:00:00
(1/19): base/7/x86_64/group_gz | 153 kB 00:00:00
(2/19): base/7/x86_64/filelists_db | 7.1 MB 00:00:02
(3/19): epel/x86_64/group_gz | 95 kB 00:00:00
(4/19): base/7/x86_64/other_db | 2.6 MB 00:00:01
(5/19): base/7/x86_64/primary_db | 6.1 MB 00:00:04
(6/19): epel/x86_64/filelists_db | 12 MB 00:00:04
(7/19): epel/x86_64/prestodelta | 542 B 00:00:00
(8/19): epel/x86_64/primary_db | 6.9 MB 00:00:01
(9/19): extras/7/x86_64/primary_db | 206 kB 00:00:00
(10/19): epel/x86_64/other_db | 3.3 MB 00:00:00
(11/19): extras/7/x86_64/other_db | 124 kB 00:00:00
(12/19): extras/7/x86_64/filelists_db | 217 kB 00:00:01
(13/19): updates/7/x86_64/filelists_db | 2.4 MB 00:00:00
(14/19): updates/7/x86_64/primary_db | 4.5 MB 00:00:01
(15/19): updates/7/x86_64/other_db | 318 kB 00:00:00
(16/19): remi-safe/primary_db | 1.8 MB 00:00:03
(17/19): remi-safe/other_db | 487 kB 00:00:03
(18/19): remi-safe/filelists_db | 1.4 MB 00:00:04
(19/19): epel/x86_64/updateinfo | 1.0 MB 00:00:15
Metadata Cache Created