cp -r <destination dir>/* <where to copy>

cp -r /apps/share/jdk1.5.0_21/* /opt/JAVA

-r : copy recursively

2. How to get sudo access

user@myserver:~$ sudo su -

sudo: unable to resolve host myserver

[sudo] password for user:<type pw>

root@ myserver:~# ls

3. How to set environment variables

Edit following lines to ‘profile’ file in ‘etc’ folder. (Also can edit these lines in bash.bashrc file in the same folder)

export JAVA_HOME=/opt/JAVA/jdk1.5.0_21

export PATH=$PATH:$JAVA_HOME/bin

export JBOSS_HOME=/apps/share/jboss/jboss-5.1.0.GA

We can check the environment variables with following command

echo $JAVA_HOME

echo $PATH

echo $JBOSS_HOME

4. To copy files/folders from one server to another – both servers are linux

scp <user>@<server name or ip>:/<path with files to be copy> .

scp jboss@app31:/app/jboss .

scp -r miguel@10.1.2.2:/home/miguel/ miguel@10.1.2.3:/home/miguel/

I am trying to start something … But still I dont know what.

But trying to do something good …. I hope …..