The quick and easy solution is to kill any/all processes which may have a lock, so…
As per this serverfault answer, use the following syntax:
1. Run this:
2. Login to webmin at https://localhost:10000. Expand the group Webmin, then Webmin Users.
3. Create a group call “WebminRootUsers” or the like. Click through and allow that group access to as many Webmin modules as you like.
4. Create new webmin users, and add them to the newly created group.
5. Test that the new user accounts work.
6. sudo vim or sudo gedit /etc/webmin/miniserv.users, the line with root should look like “root:x:0″ (which is the default).
I was going to do a post about creating a rescue image of a Windows 7 install using OSS (Ubuntu 10.10 + PartImage) however I thought I’d post a warning about corrupted Live CDs instead.
Essentially, I tried unsuccessfully three times to install Ubuntu off a Live CD (it would always crash at the third step) before it occurred to me that I ought to check the CD for errors.
To do this you need to access the “hidden” boot menu on the Live CD, by pressing any key the following symbol comes up: 
My check told me that it “found errors in 1 files!”. So I threw this CD out, burnt another Live CD (slowly – at 8 speed), checked it (“Check finished no errors found”) and low-and-behold it worked properly first time.
Right…so if anybody else in the world is wondering, it appears as though the 32bit version of Ubuntu Desktop 10.04 will disable networking following a hibernate.
It does not matter whether the system actually manages to restore from the hibernate (mine actually crashed), nor how many times you power it down and restart it. $ sudo service networking start will not fix it either.
To fix it you have to use the mouse, right click on the network connection icon in the top left hand corner, and choose “Enable Networking”. WTF?