paste #12 :: linux kernel notes

useful: - /proc/[pid]/maps :: process memory map - /proc/[pid]/status :: human-readable status - /sys/class/net/[iface]/statistics :: interface stats - /sys/devices/system/cpu/cpu0/cpufreq :: cpu freq info - /proc/sys/net/ipv4/ip_forward :: enable/disable ip forward debug: - dmesg | tail - journalctl -u sshd -n 50 - strace -p [pid] - ftrace, when you really hate yourself