October 2025
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2025-10-04 LinuxDebian 13 "trixie" sysctl tutorial
Create or edit a custom config file in /etc/sysctl.d/ sudo nano /etc/sysctl.d/99-custom.conf Add your settings, e.g.: net.ipv4.ip_forward = 1 vm.swappiness = 10 Apply the changes: sudo sysctl --system Verify: sysctl net.ipv4.ip_forward sysctl vm.swappiness