Linux操作系统上安装的注意事项。
在安装JDK (Java Development Kit)或JRE (Java Runtime Environment)时,
这个Redhat package文件的默认安装路径是/usr/java。
如果你要安装在其它路径下,例如要放到/usr/local/home 目录下,安装时
要敲的指令就是:
rpm -i --badreloc --relocate /usr/java=/usr/local/home j2sdkj2sdk-
1_4_0-beta3-linux-i386.rpm
如果安装在默认路径要敲的指令就是:
rpm -ivh j2sdk-1_4_0-beta3-linux-i386.rpm
然后设置/etc/profile
# /etc/profile
# System wide environment and startup programs, for login setup
# Functions and aliases go in /etc/bashrc
# Path manipulation
JAVA_HOME=/usr/java/j2sdk1.4.0
CLASSPATH=/usr/java/j2sdk1.4.0/lib/tools.jar:/usr/java/j2sdk1.4.0
/lib/dt.jar:.:/root/myjava:/home/captain/myjava:/home/ocean/myjava
PATH=$PATH:$HOME/bin:.:/usr/java/j2sdk1.4.0/binif [ `id -u` = 0 ] && ! echo $PATH | /bin/grep -q "/sbin" ; then
PATH=/sbin:$PATH
fiif [ `id -u` = 0 ] && ! echo $PATH | /bin/grep -q "/usr/sbin" ; then
PATH=/usr/sbin:$PATH
fiif [ `id -u` = 0 ] && ! echo $PATH | /bin/grep -q "/usr/local/sbin"
; then
PATH=/usr/local/sbin:$PATH
fiif ! echo $PATH | /bin/grep -q "/usr/X11R6/bin" ; then
PATH="$PATH:/usr/X11R6/bin"
fi# No core files by default
ulimit -S -c 0 > /dev/null 2>&1USER=`id -un`
LOGNAME=$USER
MAIL="/var/spool/mail/$USER"HOSTNAME=`/bin/hostname`
HISTSIZE=1000if [ -z "$INPUTRC" -a ! -f "$HOME/.inputrc" ]; then
INPUTRC=/etc/inputrc
fiexport PATH USER LOGNAME MAIL HOSTNAME HISTSIZE INPUTRC
export JAVA_HOME CLASSPATHfor i in /etc/profile.d/*.sh ; do
if [ -r $i ]; then
. $i
fi
doneunset i
Export QT_XFT=1
在安装JDK (Java Development Kit)或JRE (Java Runtime Environment)时,
这个Redhat package文件的默认安装路径是/usr/java。
如果你要安装在其它路径下,例如要放到/usr/local/home 目录下,安装时
要敲的指令就是:
rpm -i --badreloc --relocate /usr/java=/usr/local/home j2sdkj2sdk-
1_4_0-beta3-linux-i386.rpm
如果安装在默认路径要敲的指令就是:
rpm -ivh j2sdk-1_4_0-beta3-linux-i386.rpm
然后设置/etc/profile
# /etc/profile
# System wide environment and startup programs, for login setup
# Functions and aliases go in /etc/bashrc
# Path manipulation
JAVA_HOME=/usr/java/j2sdk1.4.0
CLASSPATH=/usr/java/j2sdk1.4.0/lib/tools.jar:/usr/java/j2sdk1.4.0
/lib/dt.jar:.:/root/myjava:/home/captain/myjava:/home/ocean/myjava
PATH=$PATH:$HOME/bin:.:/usr/java/j2sdk1.4.0/binif [ `id -u` = 0 ] && ! echo $PATH | /bin/grep -q "/sbin" ; then
PATH=/sbin:$PATH
fiif [ `id -u` = 0 ] && ! echo $PATH | /bin/grep -q "/usr/sbin" ; then
PATH=/usr/sbin:$PATH
fiif [ `id -u` = 0 ] && ! echo $PATH | /bin/grep -q "/usr/local/sbin"
; then
PATH=/usr/local/sbin:$PATH
fiif ! echo $PATH | /bin/grep -q "/usr/X11R6/bin" ; then
PATH="$PATH:/usr/X11R6/bin"
fi# No core files by default
ulimit -S -c 0 > /dev/null 2>&1USER=`id -un`
LOGNAME=$USER
MAIL="/var/spool/mail/$USER"HOSTNAME=`/bin/hostname`
HISTSIZE=1000if [ -z "$INPUTRC" -a ! -f "$HOME/.inputrc" ]; then
INPUTRC=/etc/inputrc
fiexport PATH USER LOGNAME MAIL HOSTNAME HISTSIZE INPUTRC
export JAVA_HOME CLASSPATHfor i in /etc/profile.d/*.sh ; do
if [ -r $i ]; then
. $i
fi
doneunset i
Export QT_XFT=1
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