Hossam Mostafa hossamdash

## y700.md

      
              2 files
            
          
              0 forks
            
          
              24 comments
            
          
              11 stars
            
          
                BXZ
                / y700.md
            
            
              Last active
              August 17, 2023 11:53
            
              
                Configuring and unmuting subwoofer/LFE on Lenovo Ideapad Y700
              
          
    Good news, everyone!
There exists a predefined quirk in the linux kernel that we can as of version 5.15 apply to our laptops that will automatically manage the muting and unmuting of the LFE properly.
For older kernel versions you'll have to use the old solution below (or patch and build the kernel driver yourself).
We just have to create/edit the following files:
/lib/firmware/hda-jack-retask.fw
/etc/modprobe.d/hda-jack-retask.conf

first off the hda-jack-retask.fw file should contain the following:


## mount_qcow2.md

      
              1 file
            
          
              113 forks
            
          
              33 comments
            
          
              527 stars
            
          
                shamil
                / mount_qcow2.md
            
            
              Last active
              May 21, 2024 09:52
            
              
                How to mount a qcow2 disk image
              
          
    How to mount a qcow2 disk image

This is a quick guide to mounting a qcow2 disk images on your host server. This is useful to reset passwords,
edit files, or recover something without the virtual machine running.
Step 1 - Enable NBD on the Host
modprobe nbd max_part=8