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=== Remove old kernels from GRUB === |
=== Remove old kernels from GRUB === |
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To remove old kernel entries in GRUB ([http://digitalpbk.blogspot.com/2008/11/ubuntu-remove-old-kernel-grub-list-long.html] and [http://www.linuxquestions.org/questions/ubuntu-63/need-to-remove-old-versions-of-ubuntu-kernel-466660/], or other sol [http://www.howtogeek.com/howto/ubuntu/clean-up-ubuntu-grub-boot-menu-after-upgrades/]) |
To remove old kernel entries in GRUB ([http://digitalpbk.blogspot.com/2008/11/ubuntu-remove-old-kernel-grub-list-long.html] and [http://www.linuxquestions.org/questions/ubuntu-63/need-to-remove-old-versions-of-ubuntu-kernel-466660/], or other sol [http://www.howtogeek.com/howto/ubuntu/clean-up-ubuntu-grub-boot-menu-after-upgrades/]) |
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<source lang="bash" enclose="prevalid"> |
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sudo apt-get remove --purge 2.6.28-11-* #to remove kernel 2.6.28-11 |
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sudo apt-get purge 2.6.28-11-* #equivalent |
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</source> |
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An even easier solution is to install '''[http://www.ubuntugeek.com/how-to-remove-the-old-kernel-versions-from-ubuntu-using-ubuntu-tweak.html Ubuntu Tweak]''', and select <tt>Package Cleaner</tt> → <tt>Clean Kernels</tt>. |
An even easier solution is to install '''[http://www.ubuntugeek.com/how-to-remove-the-old-kernel-versions-from-ubuntu-using-ubuntu-tweak.html Ubuntu Tweak]''', and select <tt>Package Cleaner</tt> → <tt>Clean Kernels</tt>. |
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Revision as of 09:53, 8 November 2010
This page is dedicated to the Ubuntu Linux distribution or derivatives
References
Install
Net boot install from Internet using GRUB
Reference: here
- Copy files initrd.gz and linux from one of the repository below to /boot
- Restart, and type in GRUB command-line (press c in GRUB menu):
root (hd0,6) # Select partition where /boot is. Type "root (hd0," and then TAB to get a list of partitions linux /boot/linux # ... or kernel /boot/linux for GRUB 1 initrd /boot/initrd.gz boot
Administration
Remove old kernels from GRUB
To remove old kernel entries in GRUB ([1] and [2], or other sol [3])
sudo apt-get remove --purge 2.6.28-11-* #to remove kernel 2.6.28-11
sudo apt-get purge 2.6.28-11-* #equivalent
An even easier solution is to install Ubuntu Tweak, and select Package Cleaner → Clean Kernels.
Devices
To see information on all connected input devices:
cat /proc/bus/input/devices
I: Bus=0003 Vendor=0c16 Product=0002 Version=0110 N: Name="Gyration Gyration RF Technology Receiver" P: Phys=usb-0000:00:06.1-1/input0 S: Sysfs=/devices/pci0000:00/0000:00:06.1/usb3/3-1/3-1:1.0/input/input7 U: Uniq= H: Handlers=kbd event7 B: EV=10001f B: KEY=837fff 2c3027 bf004444 0 0 1 c04 a27c000 267bfa d941dfed e09effdf 1cfffff ffffffff fffffffe B: REL=40 B: ABS=1 0 B: MSC=10
Medibuntu
To install the Medibuntu repositories (see Community or here)
sudo wget http://www.medibuntu.org/sources.list.d/$(lsb_release -cs).list --output-document=/etc/apt/sources.list.d/medibuntu.list
sudo apt-get -q update
sudo apt-get --yes -q --allow-unauthenticated install medibuntu-keyring
sudo apt-get -q update
Troubleshoot
When shutting down the PC with Samba (CIFS) shares mounted, the shutdown sequence hangs with the following error messages:
CIFS VFS: server not responding CIFS VFS: no response for cmd 50 mid xxx
This is apparently a bug that is creeping in Ubuntu since a long time ago. Basically there are 2 possible fixes (as in [4], [5], [6]):
The one I use, proposed by Daniel Ellis here [[7]]:
sudo mv /etc/rc0.d/S31umountnfs.sh /etc/rc0.d/K31umountnfs.sh
sudo mv /etc/rc0.d/S40umountfs /etc/rc0.d/K40umountfs
sudo mv /etc/rc6.d/S31umountnfs.sh /etc/rc6.d/K31umountnfs.sh
sudo mv /etc/rc6.d/S40umountfs /etc/rc6.d/K40umountfs
Another one (not tried yet):
sudo ln -s /etc/init.d/umountnfs.sh /etc/rc0.d/K15umountnfs.sh
sudo ln -s /etc/init.d/umountnfs.sh /etc/rc6.d/K15umountnfs.sh