标签:bin 202 top002 JavaJDK1.8 export usr fi PATH
一、上传已解压的jdk
#文件操作命令 - 移动文件
mkdir -p /usr/local/java/jdk1.8.0_202 && mv -fi /opt/jdk/jdk1.8.0_202 /usr/local/java
#补上执行权限
chmod +x /usr/local/java/jdk1.8.0_202/*/**
二、配置java全局环境变量
[root@hadoop01 ~]# vi /etc/profile
[root@hadoop01 ~]# source /etc/profile
[root@hadoop01 ~]# java -version
java version "1.8.0_202"
Java(TM) SE Runtime Environment (build 1.8.0_202-b08)
Java HotSpot(TM) 64-Bit Server VM (build 25.202-b08, mixed mode)
[root@hadoop03 ~]# javac -version
javac 1.8.0_202
export JAVA_HOME=/usr/local/java/jdk1.8.0_202
export PATH=$PATH:$JAVA_HOME/bin
export CLASSPATH=$CLASSPATH:.:$JAVA_HOME/lib
# /etc/profile
# System wide environment and startup programs, for login setup
# Functions and aliases go in /etc/bashrc
# It's NOT a good idea to change this file unless you know what you
# are doing. It's much better to create a custom.sh shell script in
# /etc/profile.d/ to make custom changes to your environment, as this
# will prevent the need for merging in future updates.
pathmunge () {
case ":${PATH}:" in
*:"$1":*)
;;
*)
if [ "$2" = "after" ] ; then
PATH=$PATH:$1
else
PATH=$1:$PATH
fi
esac
}
if [ -x /usr/bin/id ]; then
if [ -z "$EUID" ]; then
# ksh workaround
EUID=`/usr/bin/id -u`
UID=`/usr/bin/id -ru`
fi
USER="`/usr/bin/id -un`"
LOGNAME=$USER
MAIL="/var/spool/mail/$USER"
fi
# Path manipulation
if [ "$EUID" = "0" ]; then
pathmunge /usr/sbin
pathmunge /usr/local/sbin
else
pathmunge /usr/local/sbin after
pathmunge /usr/sbin after
fi
HOSTNAME=`/usr/bin/hostname 2>/dev/null`
HISTSIZE=1000
if [ "$HISTCONTROL" = "ignorespace" ] ; then
export HISTCONTROL=ignoreboth
else
export HISTCONTROL=ignoredups
fi
export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE HISTCONTROL
# By default, we want umask to get set. This sets it for login shell
# Current threshold for system reserved uid/gids is 200
# You could check uidgid reservation validity in
# /usr/share/doc/setup-*/uidgid file
if [ $UID -gt 199 ] && [ "`/usr/bin/id -gn`" = "`/usr/bin/id -un`" ]; then
umask 002
else
umask 022
fi
for i in /etc/profile.d/*.sh /etc/profile.d/sh.local ; do
if [ -r "$i" ]; then
if [ "${-#*i}" != "$-" ]; then
. "$i"
else
. "$i" >/dev/null
fi
fi
done
export JAVA_HOME=/usr/local/java/jdk1.8.0_202
export PATH=$PATH:$JAVA_HOME/bin
export CLASSPATH=$CLASSPATH:.:$JAVA_HOME/lib
unset i
unset -f pathmunge
标签:bin,202,top002,JavaJDK1.8,export,usr,fi,PATH 来源: https://blog.csdn.net/qq2045249276/article/details/122754315
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