Saturday, January 7, 2012

some necessary note

[root@localhost named]vim  /etc/sysconfig/network-scripts/ifcfg-eth0
if not shows IP till  you assign IP address on lAN setup the you input IP here manually 
[root@localhost named]ifup  eth0
[root@localhost named]ifdown eth0  ( now you gets IP  )
[root@localhost named]top  ( to see recent process )
[root@localhost named]vim /etc/inittab
we can select run level by default here.
to link a file to another file. 
[root@localhost named]ln  filename   filename ( hard link)
[root@localhost named]ln  -il  filename ( to see inode )
[root@localhost named]ln  -s  filename  filename  ( to soft link)  
[root@localhost named]tail  /etc/group  ( to query a group)
[root@localhost named]passwd  -d username  ( change password)
[root@localhost named]fdisk  -l   ( to see windows disk both)
[root@localhost named]shutdown  -h 10 ( to shutdown pc after 10 minutes )

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