| Task | File / Command |
| Startup script | /etc/rc.d/rc |
| Kernel | /boot/vmlinuz |
| Kernel Parameters | sysctl -a |
| Reconfigure the kernel | cd /usr/src/linux make mrproper make menuconfig make dep make clean make bzImage make install make modules make modules_install cp arch/i386/boot/bzImage /boot/vmlinuz-2.2.16 mkinitrd /boot/initrd-2.2.16.img 2.2.16 vi /etc/lilo.conf lilo |
| List modules | lsmod |
| Load module | insmod |
| Unload module | rmmod |
| Initialize system | netconf |
| Physical RAM | free -m |
| Kernel Bits | getconf LONG_BIT |
| Crash utility | lcrash |
| Trace System Calls | strace |
| Machine model | uname -m |
| OS Level | uname -r |
| Run Level | runlevel |
| Hardware Information | dmidecode |
| Timezone Management | /etc/sysconfig/clock |
| NTP Daemon | /etc/ntp.conf /etc/rc.d/init.d/xntpd |
Thursday, April 21, 2011
Useful Linux Tips
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