3 posts tagged with "linux"

Install patchelf​

sudo apt install -y patchelf # Ubuntu/Debian
sudo yum install -y patchelf # CentOS/Fedora

Modify rpath​

patchelf --set-rpath /path/to/libraries /path/to/binary

Check current rpath​

patchelf --print-rpath /path/to/binary

disable nvidia driver​

1. open terminal

2. check the current driver

   lspci -k | grep -A 2 -E "(VGA|3D)"
   

   see the output like this:

   Kernel driver in use: nvidia

3. switch to text mode

   sudo systemctl set-default multi-user.target
   sudo reboot
   

4. remove nvidia driver one by one

   sudo modprobe -r nvidia*
   

How to Clear Cache in Linux?​

1. Clear PageCache only.

sync; echo 1 > /proc/sys/vm/drop_caches

2. Clear dentries and inodes.

sync; echo 2 > /proc/sys/vm/drop_caches

3. Clear pagecache, dentries, and inodes.

sync; echo 3 > /proc/sys/vm/drop_caches

• references:
  • Documentation for /proc/sys/vm/drop_caches