- dpkg -l | grep -i nvidia
It's not always recommended but you can use this command to remove it all in one shot:
- sudo apt-get autoremove nvidia*
This blog was intended for personal use only. I'm very happy if you manage to find some kind of inspiration, but I am not responsible for any damage you can cause by following my tips.
Linux - get rid of all NVIDIA drivers from pc
You can see which NVIDIA packages are installed on your pc, typing
It's not always recommended but you can use this command to remove it all in one shot:
It's not always recommended but you can use this command to remove it all in one shot:
Linux - Mint doesn't wake up after screen is locked and blank
Be careful, this is only a work around.
This feature is a part of usbcore which is compiled in the kernel.
From https://unix.stackexchange.com/a/175035.
Now, if you check the autosuspend value with
This feature is a part of usbcore which is compiled in the kernel.
From https://unix.stackexchange.com/a/175035.
- Edit
- /etc/default/grub
- Change
- GRUB_CMDLINE_LINUX_DEFAULT
- Add this option at the end
- usbcore.autosuspend=-1
- That's the result
- GRUB_CMDLINE_LINUX_DEFAULT="quiet splash usbcore.autosuspend=-1"
- Save the file and update grub
- sudo update-grub
- Reboot
Now, if you check the autosuspend value with
- cat /sys/module/usbcore/parameters/autosuspend
Linux - set display resolution via terminal
xrandr --output VGA-0 --mode 1024x768 --pos 1680x0 --rotate normal --output LVDS --mode 1680x1050 --pos 0x0 --rotate normal --output S-video --off --output DV
Linux - work on PDF files via terminal
To reduce a huge PDF
gs -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook -sOutputFile=reductedNewFile.pdf hugeOldFile.pdf
To convert to grey scale
convert -colorspace GRAY color.pdf gray.pdfconvert -colorspace GRAY-density 400 -quality 100 color.pdf gray.pdf convert -colorspace GRAY-density 200 -quality 100 color.pdf gray.pdf
convert -colorspace GRAY-density 100 -quality 100 color.pdf gray.pdf
To concatenate jpg in one pdf
convert *.jpg pictures.pdf convert -quality 100 -sharpen 0x1.0 *.JPG pdfFile.pdf
To concatenate pdfs in one pdf
pdftk pdf1.pdf pdf2.pdf pdfN.pdf output newconcatenated.pdf
To split pages
pdftk myoldfile.pdf cat 1 2 4 5 output mynewfile.pdf
To rotate the first PDF page to 90 degrees clockwise
pdftk in.pdf cat 1east 2-end output out.pdf
Rotate an entire PDF document to 180 degrees
pdftk in.pdf cat 1-endsouth output out.pdf
gs -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook -sOutputFile=reductedNewFile.pdf hugeOldFile.pdf
To convert to grey scale
convert -colorspace GRAY color.pdf gray.pdfconvert -colorspace GRAY-density 400 -quality 100 color.pdf gray.pdf convert -colorspace GRAY-density 200 -quality 100 color.pdf gray.pdf
convert -colorspace GRAY-density 100 -quality 100 color.pdf gray.pdf
To concatenate jpg in one pdf
convert *.jpg pictures.pdf convert -quality 100 -sharpen 0x1.0 *.JPG pdfFile.pdf
To concatenate pdfs in one pdf
pdftk pdf1.pdf pdf2.pdf pdfN.pdf output newconcatenated.pdf
To split pages
pdftk myoldfile.pdf cat 1 2 4 5 output mynewfile.pdf
To rotate the first PDF page to 90 degrees clockwise
pdftk in.pdf cat 1east 2-end output out.pdf
Rotate an entire PDF document to 180 degrees
pdftk in.pdf cat 1-endsouth output out.pdf
Linux - to enable a RSync server
1. Enable the rsync (RSYNC_ENABLE=true) in target server (Debian)
nano /etc/default/rsync
change the RSYNC_ENABLE=false to RSYNC_ENABLE=true
2. Create the file /etc/rsyncd.conf
nano /etc/rsyncd.conf
append the following text, then save
append the following text, then save
pid file = /var/run/rsyncd.pid
lock file = /var/run/rsync.lock
log file = /var/log/rsync.log
[rsync]
path = /rsync [path to the destination directory]
uid = root
gid = root
read only = no
list = yes
auth users = root
secrets file = /etc/rsyncd.secrets
lock file = /var/run/rsync.lock
log file = /var/log/rsync.log
[rsync]
path = /rsync [path to the destination directory]
uid = root
gid = root
read only = no
list = yes
auth users = root
secrets file = /etc/rsyncd.secrets
3. Create the rsync share
mkdir /rsync [path to the destination directory]
Create the /etc/rsyncd.secrets
Create the /etc/rsyncd.secrets
nano /etc/rsyncd.secrets
- append root:password, which is in the form username:password
Limit access to file owner
- chmod 600 /etc/rsyncd.secrets
- append root:password, which is in the form username:password
Limit access to file owner
- chmod 600 /etc/rsyncd.secrets
4. Restart rsync
/etc/init.d/rsync restart
Linux - need for a disk's checking
Requisite: after the boot, press [ESC] to enter in Grub
Grub doesn't have a specific command to check the disk, but automatically the disk will be checked at the next startup if you exit with the embedded reboot command.
Grub doesn't have a specific command to check the disk, but automatically the disk will be checked at the next startup if you exit with the embedded reboot command.
- press [ESC] early at the boot
- wait for the Grub menu
- press [c] for the console
- type reboot and press [enter]
- wait for the normal reboot of the machine, that will take a little longer because of the the drive's check
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