Category Archives: Linux Command Line

read disk info

#!/bin/sh
DISC=$1
PARTITION=`df -h |grep $DISC |awk ‘{print $1}’`
SIZE=`df -h|grep $DISC|awk ‘{print $2}’`
USED=`df -h|grep $DISC|awk ‘{print $3}’`
FREE=`df -h|grep $DISC|awk ‘{print $4}’`
echo “Partition: $PARTITION”
echo “Total size: $SIZE”
echo “Used space: $USED”
echo “Free space: $FREE”

credit: http://www.forevergeek.com/2005/10/check_disk_space_in_linux/

install java jdk on linux platform

Follow the simple steps:

1. To set the environment variables :

echo ‘export JAVA_HOME=/opt/jdk1.6.0_18′> /etc/profile.d/jdk.sh
echo ‘export PATH=$JAVA_HOME/bin:$PATH’ >> /etc/profile.d/jdk.sh

2. You have to source the file you just created by typing:
source /etc/profile.d/jdk.sh

3. Test if Java environment is successfully installed by typing in this in the shell:
java -version