TLDR Search

Enter a command. For example: isosize, lnav, backlight_control.

sysctl

List and change kernel runtime variables. More information: https://manned.org/sysctl.8.

• Show all available variables and their values:
   
  sysctl -a
   
• Set a changeable kernel state variable:
   
  sysctl -w {{section.tunable}}={{value}}
   
• Get currently open file handlers:
   
  sysctl fs.file-nr
   
• Get limit for simultaneous open files:
   
  sysctl fs.file-max
   
• Apply changes from /etc/sysctl.conf:
   
  sysctl -p