I have several old CDs that have scratches and won't play anymore. The same with a scratched video DVD. Is there any chance to recover the data using Ubuntu?
There are several open questions regarding older Ubuntu versions but none provide a working answer. Here are the steps I tried:
- I disabled discovery in cups-browsed configuration
- I disabled the whole service
- I removed the service
- I completely disabled avahi.
The last step worked but as I'm using avahi for other network discovery services, I don't want to remove it. Steps 1-3 work in CUPS itself, somehow Gnome is adding the printers, though. So what I'm looking for is the Gnome setting to disable printer discovery.
On a typical installation several apt GPG keys are added, be it for PPAs or other sources, and later go unused.
It is hard to identify in the GUI (software-properties) which keys are actually used for which repositories.
Is there an easy way to identify which keys are used at all, so that all the other keys can be removed?
In my opinion this has some security implications. If a repository owner loses their private key and updates the repository to use a new key, lots of people still have the old (non trustworthy) key installed, right?
In Ubuntu versions before Gnome Shell, I could set what I wanted to happen when I close the laptop lid depending on whether the laptop is connected to power or not.
Now the default is standby which I can disable in Gnome Tweak Tool. My preferred setting is to only go to standby when on battery and stay on when connected to AC.
Using systemd I only know of options to completely enable or disable lid-actions alltogether. How did Unity solve this in Ubuntu 17.04?
I used the upgrade manager to upgrade from 17.04 to 17.10. When I start the machine, I only get a black flickering screen now. I was using the nvidia binary drivers before the upgrade.
NOTE: This question (and answer) relate to a specific issue when upgrading from 17.04 to 17.10 while using Nvidia or AMD binary drivers. You might experience a completely different issue. For that please see the more general question My computer boots to a black screen, what options do I have to fix it?.
I'm primarily using Gnome Calendar (on Ubuntu 17.04). Some more complex Calendars cannot be set up in Gnome Calendar, so I installed Evolution, set up my calendars there and now they show up fine in Gnome Calendar as well.
My problem is, that I get all calendar notifications twice. Once from Evolution and once from Gnome Calendar. I only want the Gnome Calendar notifications.
How do I prevent Evolution from showing the notifications?
The libimobiledevice shipped with 17.04 is actually compatible with the latest iOS. When you connect a device, two virtual devices show up. However, the one with the documents works but the one for the camera just shows an empty folder.
There is no obvious way to access the camera pictures on the iOS device.
How do I access them? I don't want to compile libimobiledevice from source.
I have a Mac with Ubuntu, OSX and Windows (booting with rEFIt). I need a way to select which OS to boot on the next reboot. I can do that from within OSX and Windows (through Bootcamp) but I also need a way to tell my machine to boot OSX on the next reboot.
I can't hold ALT on boot to select the OS in the visual EFI screen, because my video card doesn't support that (upgraded my Mac).
PS: I tried efibootmgr but that doesn't show me the actual EFI boot options, only the options available in Grub (e.g. rEFIt does not appear as an option).
I often work with git and loved iTerm2 for the ability to set keyboard shortcuts for commands. For example, I set CTRL+ENTER to git status.
Is this possible with gnome-terminal or can you recommend another option to achieve this?
I have some kiosk PCs that pretty much work like the Ubuntu guest session. The kiosk users home has a union filesystem mounted on top of it so the can't change anything but can still save files while working at the machine (and take them with them using a USB key).
Users sometimes leave the stations with private stuff still on the desktop. Because of that I want them logged out after - say - 10 minutes of inactivity (the union file system will be emptied on logout).
Any ideas if there is an existing solution (autolog only logs the user out of active terminal sessions).
Wine automatically adds certain mimetypes and file associations (e.g. notepad.exe for .ini files). There already is an answer that explains how to remove these associations.
But how can one prevent Wine from adding them again and again?
Lets say I want to start Teamviewer on my home-desktop which I currently only have SSH access to. How would I do that?