shell一键安装jdk

在root用户下

1
2
3
4
5
6
7
8
9
10
11
1#!/bin/bash

2tar -zxvf jdk*

3cd jdk1*

4home=`pwd`

5echo $home

6echo "export JAVA_HOME=${home}" >> /etc/profile

7echo "export CLASSPATH=\$JAVA_HOME/lib" >> /etc/profile

8echo "export PATH=\$PATH:\$JAVA_HOME/bin" >> /etc/profile

9source /etc/profile

10

11

在普通用户下

1.登录root创建普通用户并修改参数

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
1#!/bin/bash

2user=haha

3groupadd ${user}

4useradd -g ${user} ${user} -m

5passwd ${user}

6chmod +w /etc/sudoers

7echo "${user} ALL=(ALL:ALL)  NOPASSWD:ALL" >> /etc/sudoers

8chmod -w /etc/sudoers

9echo "*   soft noproc   65535" >> /etc/security/limits.conf

10echo "*   hard noproc   65535" >> /etc/security/limits.conf

11echo "*   soft nofile   1000000" >> /etc/security/limits.conf

12echo "*   hard nofile   1000000" >> /etc/security/limits.conf

13echo "sysctl -w fs.file-max =65536" >> /etc/security/limits.conf

14echo "ulimit -u 10000" >> /etc/profile

15source  /etc/profile

16

17

2.登录创建的用户

1
2
3
1su 用户名

2

3

3.安装jdk脚本文件

1
2
3
4
5
6
7
8
9
10
11
12
13
14
1#!/bin/bash

2tar -zxvf jdk*

3cd jdk1*

4home=`pwd`

5echo $home

6sudo sh -c "echo 'export JAVA_HOME=${home}' >> /etc/profile"

7sudo sh -c "echo 'export CLASSPATH=\$JAVA_HOME/lib' >> /etc/profile"

8sudo sh -c "echo 'export PATH=\$PATH:\$JAVA_HOME/bin' >> /etc/profile"

9 

10source /etc/profile

11

12

13

14