Install java and yumjava in yum

Install java and yumjava in yum

We recommend that you use yun to deploy the java environment when deploying the production system.

1. Enable epel Source

# Yum-y install epel-release

2. install java

# Yum-y install java-1.6 *

The epel source is currently installed in version 1.6.

3. Upgrade java

(1) Enable the epel test Source

Edit vi/etc/yum. repos. d/epel-testing.repo

[Epel-testing]
Name = Extra Packages for Enterprise Linux 6-Testing-$ basearch
# Baseurl = http://download.fedoraproject.org/pub/epel/testing/6/?basearch
Using list = https://mirrors.fedoraproject.org/metalink? Testing-epel6 & arch = $ basearch
Failovermethod = priority
Enabled = 1
Gpgcheck = 1
Gpgkey = file: // etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6

(2) Disable epel Normal Source

# Vi/etc/yum. repos. d/epel. repo

[Epel]
Name = Extra Packages for Enterprise Linux 6-$ basearch
# Baseurl = http://download.fedoraproject.org/pub/epel/6/?basearch
Using list = https://mirrors.fedoraproject.org/metalink? Epel-6 & arch = $ basearch
Failovermethod = priority
Enabled = 0
Gpgcheck = 1
Gpgkey = file: // etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6

(3). Upgrade java

# Yum-y install java-1.7 *

Note: During yum upgrade, you cannot upgrade java from 1.6 to 1.7.