Linux Ask! is a Q & A web site specific for Linux related questions. Questions are collected, answered and audited by experienced Linux users.
Install Google Chrome in Ubuntu
Answer:
To install Google Chrome in Ubuntu, the simplest way is to us PPA
E.g.
1. Add the key and URL
# wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
# sudo sh -c 'echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list'
2. Install it
# sudo apt-get update
# sudo apt-get install google-chrome-stableDone.
Revert uncommitted change in Git
Answer:
To revert the changes of a uncommitted file in Git, you need to use the following command:
# git checkout file
Auto create complete directory structure when copying files in Linux
Answer:
Assume you are copying file using the command below:
# cp foo/bar/test.txt /tmp/
The result is test.txt will be placed inside the folder /tmp/.
In order to let the cp command auto create the foo/bar/ directory structure under /tmp, you can try the command:
# cp --parent foo/bar/test.txt /tmp/
Download a complete directory on FTP server with wget
Answer:
You can try the command below in order to download all the files/sub-directories under the directory "dir"
# wget -r ftp://user:[email protected]/dir/*
Changing the default Java environment in Ubuntu
Answer:
If you have more than one JVM (Java Virtual Machine) installed in your Ubuntu server, e.g. OpenJDK and the Oracle JDK, you can easily select them using the following command:
# sudo update-alternatives --config java
Following the instruction and you can easily set them as you want.
