After upgrading to Linux kernel 5.4.0-54-generic, I was unable to adjust my display brightness.
dmesg output shows i915 'Y' invalid for parameter 'enable_dpcd_backlight'
/etc/default/grub contains i915.enable_dpcd_backlight=Y for GRUB_CMDLINE_LINUX_DEFAULT.
Removing the i915.enable_dpcd_backlight=Y from GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub resolved the issue.
First, list the shares available from the server:
smbclient -L <server> -U <user>
Next, make sure cifs-utils is available (so we can pass in the credentials option):
sudo apt install cifs-utils
Finally, add the desired share to /etc/fstab:
//ip/share /mnt/point cifs vers=3,credentials=/path/to/credentials,noexec 0 0
Give your hand some relief from reaching for Ctrl and take advantage of the close proximity of Caps Lock.
# Note any previous values for xdb-options (most likely none)
gsettings get org.gnome.desktop.input-sources xkb-options
# Set our xkb-options (plus anything from our get, if needed)
gsettings set org.gnome.desktop.input-sources xkb-options "['ctrl:nocaps']"
Now …
$ VBoxManage modifyhd YOUR_HARD_DISK.vdi --resize SIZE_IN_MB
Source: http://askubuntu.com/questions/88647/how-do-i-increase-the-hard-disk-size-of-the-virtual-machine
I went to update my Ubuntu machine today and found out there wasn't enough space on /boot to perform the update. You can remove older kernels to free up space:
// Check which kernel you're using
$ uname -r
// List all installed kernels
# dpkg --list 'linux-image*'
// Remove …
Unable to boot after kernel (3.19) upgrade on Ubuntu. Here's the fix:
copy_modules_dir kernel/ubuntu/i915 to /usr/share/initramfs-tools/hooks/framebuffer.update-initramfs -k all -u.Fix found here: https://bugs.launchpad.net/ubuntu/+source/cryptsetup/+bug/1500751
Error:
The driver descriptor says the physical block size is 2048 bytes, but Linux says it is 512 bytes.
Solution:
# dd if=/dev/zero of=/dev/sdb bs=2048
Source: http://askubuntu.com/questions/675649/unable-to-delete-usb-drive-partitions-block-size-error
Use dmesg after plugging in your USB thumb drive to find the device name (/dev/sdb).
# umount /media/username/devicename
# dd bs=4M if=/path/to/filename.iso of=/dev/sdb
Note, do not output to a partition (e.g. /dev/sdb1). In the past this has created a loop device instead of copying the input file to the USB …
# apt-get install unattended-upgrades
# dpkg-reconfigure --priority=low unattended-upgrades
More at https://help.ubuntu.com/community/AutomaticSecurityUpdates
Every once and a while, I lose network connectivity to the point where my NFS share is unmounted and, when remounted, the Desktop fills up with everything in ~/.
The problem lies in the file ~/.config/user-dirs.dirs. It should be as follows (for my setup):
XDG_DESKTOP_DIR="$HOME/Desktop"
XDG_DOWNLOAD_DIR="$HOME/Downloads"
XDG_TEMPLATES_DIR="$HOME/Templates"
XDG_PUBLICSHARE_DIR="$HOME/Public" …