Crashplan for Dummies, aka Step by Step :)

OK, I finally caved and went ahead with updating both Java and CrashPlan. I had a golden opportunity to test it out since I still have my old NAS around, now filled to the brim (96% full), as a backup in case anything and everything went wrong on the Pro 6.

For me things went exceptionally well, so therefore I thought I'd share my experiences and how I did it here in this thread. So if you followed this thread originally when you installed CrashPlan and if you have a setup similar to mine then here's how you can update. Of course, I'm not guaranteeing you won't run into problems. Bear in mind I'm a Linux novice and all that.


1. Stop the CrashPlan engine
- Go into /usr/local/crashplan/bin and run "./CrashPlanEngine stop"

2. Prepare the new CrashPlan version
- Delete the old CrashPlan-install folder in /root (the folder you end up in when logging in) with "rm -r CrashPlan-install".
- Downloaded the new version with "wget http://download.crashplan.com/installs/linux/install/CrashPlan/CrashPlan_3.5.2_Linux.tgz".
- Extract with "tar -xvf CrashPlan_3.5.2_Linux.tgz".

3. Uninstall old CrashPlan version
- Go into /root/CrashPlan-install and run "./uninstall.sh -i /usr/local/crashplan". It says something about you losing all settings, but not backups. Don't worry, read on...

4. Update Java
- Here's where I made things REALLY easy for myself by following this procedure I found before: http://minimserver.com/ejre-installer.html. I'm not gonna reiterate everything because it's well written there.
- Just use the links provided on that site to get the latest Java package intended for this type of system, for me it was "ejre-7u10-fcs-b18-linux-i586-headless-28_nov_2012.tar.gz", i.e. Java 7 Update 10 was the latest version. I think it's 32-bit (I think that's all we get as embedded).
- Place it in /c/backup.
- Get the add-on and just install it via FrontView.
- Check the Java version by running "java -version". Mine returns:

java version "1.7.0_10"
Java(TM) SE Embedded Runtime Environment (build 1.7.0_10-b18, headless)
Java HotSpot(TM) Embedded Client VM (build 23.6-b04, mixed mode)

5. Install new CrashPlan version
- Run "./install.sh" and install like you did before.

6. Connect to the headless install
- All I needed to do now was select "existing user" and log in. CrashPlan had retained _all_ my settings, including the NAS's own GUID, the NAS's backup code, backup settings, inbound client computers, and the license key. I attribute this to not having to delete the /var/lib/crashplan folder. Towards CrashPlan Central it automatically started "Synchronizing block information", which didn't take that long and after that was done everything was back to normal.
- Double-click the CrashPlan logo to open the console and enter "version" to verify the engine is running version 3.5.2.


Good luck!


Note:
Between steps 4 and 5 I actually tried uninstalling the EJRE add-on it to see what would happen. You get a question if you want to keep your settings or not. I selected not to, trying to restore to how it was before. I reran "java -version", but didn't get anything. It might be that this way of installing Java breaks the old way that Java 6 was installed, so keep this in mind. I think you're supposed to be able to have multiple versions installed and switch between them though, but how I sure couldn't tell you. I don't care though since I'd much more prefer to just have one version even if there might be old crap left from the Java 6 install from before.