Download Oracle Java From The Terminal With wget

Download Oracle Java From The Terminal With wget

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java-logoOracle have a very restrictive license that applies to most of their software downloads which prohibits you from distributing the binaries yourself. What this means, for example, is that you could not download the Java binaries and upload them to your own APT repository for others to use.

There are a few workarounds that exist to help making this install easier, but here we’re going to look at downloading the Java runtime environment (JRE) binaries and installing them all from a command line.

Use wget to download the binaries, so make sure that’s available on your system. If it isn’t, simply apt-get install wget.

One of the important things to note is that the Java version changes over time and therefore the links and commands below may need to be changed to ensure you’re always getting the latest version. Check out the Java Download Page to make sure you have the latest.

I’m using an minimal version of Debian that doesn’t have the worlds Certificate Authorities installed and therefore wget gives me an error:

The fix is to either install the correct CA certificate on the machine or add the no-check-certificate switch to wget to avoid checking the certificate:

Once you have the Java archive downloaded you’ll need to create a target folder and extract the downloaded archive with tar:

The last couple of steps are to tell your OS to use the Java binaries you’ve just moved into place.

Running anything in Java, or using the -version switch should now use your newly installed binaries.




Setup Headless Dropbox Sync Client on Linux

Category : How-to

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dropbox-logoDropbox is a cloud based file storage service which makes your files available from almost any internet connected device. You simply synchronize a folder with the service on each device and Dropbox keeps them in sync, automatically updating each folder as files are added and removed on each machine.

You can register for a free account which gives you a limited amount of storage to use – no strings attached. To register, visit Dropbox (Please note, that is my affiliate link which gives me a bonus if you sign up. If you’re not happy with this, you can simply visit and sign up. I’d be most grateful if you’d use the link :) ).

Dropbox offers a client to use on Windows, Mac OSX, Linux, iPhone and Android which you can download for free. These are all graphical interfaces and do not work for deployment on a headless server.

Thankfully, the Dropbox team have created an easily deployable Dropbox client which works without a desktop installed and can be managed by a Python script. To get started, download the Python script to your home directory on your headless server with wget.

Give the script the permission to execute.

You can now use the Python script to download the Dropbox client. The client will be downloaded to your users home directory so make sure that you are logged in with the correct user.

The client binaries will now be downloaded and installed. The next step is to register your account with the Dropbox client so that synchronization can begin. Start Dropbox for the first time with the Python script and you will be presented with a link. Paste the link into a web browser and login to your Dropbox account to grant access to the client. As soon as this process completes, your Dropbox client will begin synchronization.

Once you have got all this working and the Dropbox client is synchronizing your first files, it’s time to add an init.d script so that the Dropbox client starts with your operating system. Things may differ here, depending on your Linux distribution. Add one of the below scripts to your init.d folder and substitute [USER] for the list of users who will use the client.

Ubuntu/ Debian

Then add the execute permission and add it to the startup routine.

RedHat/ Fedora/ CentOS

Change permissions and add to the startup routine.

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