133-Unit 3 Kernel Services and Configuration

kernel Modules:peripheral device drivers&supplementary filesystems

lsmod , modprobe <module name>

Kernel Module Configuration : /sbin/modinfo <module name>

/etc/modprobe.conf: aliases ,parameters ,actions

depmod -a ; insmod <module name>; rmmod <module name>

The /proc filesystem :system hardware ,networking settings and activity ,memory usage..

/proc/sys configuration with sysctl : sysctl -p

/etc/sysctl.conf in rc.sysinit

General Hardware Resource : dmesg or /var/log/dmesg

kudzu

System Bus Support

/sbin/lspci in/proc/bus/pci ISA in /proc/isapnp

Hotswappable Bus Support : USB and IEEE 1394  /sbin/hotplug

/sbin/lsusb

PCMCIA Bus /sbin/cardmgr

System Monitor and Process Control:

top 

gnome-system-monitor

vmstat

free

renice <priority> <PID>        

kill