Leo's questions

I just switched from Kubuntu 11.10 to 12.04 and noticed that the application launcher is not behaving exactly the same.

In 11.10 I open the launcher with a keybinding, write the first letters of something that I want to run, and then use the arrow keys to choose from the list of applications the system found.

In 12.04 the arrow keys do not seem to work. If I write a few letters so that I get a list of choices pressing the arrow keys does absolutely nothing. I noticed that I can get to the list by pressing ESC, but this seems pretty unnecessary compared to how it used to work.

Does anyone know how to enable the arrow keys directly in the application launcher?

EDIT:
The specific launcher is the default launcher when installing Kubuntu Desktop 11.10 and 12.04. The name is Kickoff and it is a plasma launcher.

I have been using Ubuntu's encrypted home folder system for some time now and have not really noticed any slowdowns except in two specific cases.

1. When I run du -s in my home folder, it takes several times longer than when doing it on the same data on an unencrypted partition.
2. When entering a folder containing >1000 images in Krusader, it takes 10-20 seconds before Krusader shows the files (it is completely unresponsive during that time).

Both seem to have to do with accessing several thousands of files without really reading any of their data, which seems to mean that the system will have to traverse lots and lots of inodes. I can't see why this would be slower on ecryptfs than when not using encryption though since this should still be IO-bound rather than CPU-bound even if the inodes are all encrypted.

Does anyone have any ideas?

Since Ubuntu 13.04 storage access to external devices via MTP is supposed to work out of the box via a GVFS-MTP module.

While this question is about the Galaxy Nexus, other Android devices as well as Windows Phones and MTP enabled media players are also supported.

For troubleshooting see this anwser.

I am having quite a bit of problems getting file-transfers working over MTP with the Galaxy Nexus. I am using Kubuntu 11.10 64-bit, and this is what I have done and the results I get:

1. Added rule for device in /etc/udev/rules.d/51-android.rules. The rule is the following and works for adb:

   SUBSYSTEMS=="usb", ATTRS{idVendor}=="04e8", ATTRS{idProduct}=="6860", MODE="0666", OWNER="leob" #Galaxy Nexus
   

2. Restarted udev (and computer just to make sure).

Adb works, and all methods for reading from the device via MTP seems to work (I have tried mounting with mtpfs, gmtp and using the mtp-tools package directly). When I try to write to the device however, nothing I have tried works.

As an example, running mtp-newfolder test_dir 0 0 gives the following output:

libmtp version: 1.1.0
Device 0 (VID=04e8 and PID=6860) is a Samsung GT-P7510/Galaxy Tab 10.1.
Folder creation failed.
ERROR: Could not close session!

If I run mtp-folders after a failed mtp-newfolder without re-plugging the device, I get the following output:

Attempting to connect device(s)
Device 0 (VID=04e8 and PID=6860) is a Samsung GT-P7510/Galaxy Tab 10.1.
PTP_ERROR_IO: failed to open session, trying again after resetting USB interface
LIBMTP libusb: Attempt to reset device
mtp-folders: Successfully connected
Friendly name: (NULL)
Error 1: Get Storage information failed.
Error 2: PTP Layer error 02fe: get_all_metadata_fast(): could not get proplist of all    objects.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02fe: get_handles_recursively(): could not get object handles.
Error 2: (Look this up in ptp.h for an explanation.)
LIBMTP_Get_Storage()
: Resource temporarily unavailable
OK.

Accompanied by the following in dmesg:

[ 1000.912082] usb 2-4: reset high speed USB device number 7 using ehci_hcd
[ 1001.045877] usb 2-4: usbfs: process 3166 (mtp-folders) did not claim interface 0 before use

Does anyone have any idea about what to do?

EDIT:

I also tried the PTP mode. Again, reading works fine, but I cannot write anything to the device.

I am having a bit of trouble understanding what the execute permission means for directories. Do I understand it correctly that anything in a directory for which a user does not have x-rights is inaccessible even if the things inside the directory gives specific rights to the user?

Or will the user still have direct access to the things in the directory, but simply cannot list what is in the directory?

(What I am really trying to understand is how safe a directory is from access from other users if they do not have x-permission for it.)

I am a bit unsure about how ubuntus encrypted home folder works compared to a truecrypt partition (which is what I have used before). When I am logged in, will other users on my computer be able to access the files in my encrypted home folder?

I just migrated from Ubuntu 10.10 to Kubuntu 11.04 and ran into some trouble when I tried adding the office printer to the new installation.

The printer is a Konica Minolta bizhub c253 network printer which requires an account number (account track in Windows) when printing.

What I have tried is the following:

1. Gone into System settings->Printer configurations, chosen New Printer
2. Tried adding the printer as LPD, socket and ipp (I was given an IP-adress to the printer, and an account number)
3. Supplied the ppd file downloaded from Konica Minolta and finished adding the printer

All this works, I have not been able to find any way to add the account number to the printer options though. This used to be possible to set below the Finishing options in the Printer options tab. Any suggestions? Am I adding the printer as the wrong type of printer, or why are there no account options below the Finishing options?

I have just recently switched from Ubuntu to Kubuntu. UI-wise I prefer KDE over Unity, I do however miss some of the Compiz plugins (especially the keyboard shortcuts). KWin seems to allow enormous amounts of keyboard shortcuts, but so far I haven't been able to find the correct ones. What I specifically miss is the Put/Grid plugins in Compiz that allowed placing and resizing of windows using different key combos plus the keypad. The closest I have come in KWin is the "Pack Window" and "Pack Grow Window" key shortcuts that behave roughly like the Put/Grig plugins except it lacks the finegrained control.

So in short:
Is there any way to get KWin key shortcuts to give the same finegrained control over size and placing of windows as Compiz Put/Grid (which had one place for each keypad key plus different sizes)?

Possible Duplicate:
What can replace system monitoring in the top Gnome Panel in Unity?

Hi!

I have just upgraded to the 11.04 Ubuntu beta and am trying to get used to Unity. Seems good so far, but I really miss having the Gnome process monitor at the top panel. (Really useful when running long compilations/testing since it is usually enough to glance at it to see if everything is going as it should.)

Is there any substitute in Unity?