How to load the old kernel without rebooting server
1. User gaves df -h and the system get hanged. why ? 2. what is the hardlink and softlink mount ? 3. why is portmape should be started ? 4. what is nologin option 5. how to restrict users from accessing nfs ? 6. what is the difference between cpio and tar 7. what are the kernel parameters ? how to find out it ? 8. why we use sysctl.conf ? 9. if we gives init1 from multiuser runlevel, will it affect other users who already logged in to the system ? 10. what will be the available space to use after configuering raid5 with 5 disks each having 5gb spce ?
How to sort a file of size 2N bytes, if I have N bytes of memory?
there are many IPC mechanisms available in Linux ? Which one is best to use and when ?
how u use the iptable firewall to restrict ssh,telnet,ftp
in linux gui desktop icon was lost how con u back this icons
This question is belong to linux support. "one of my customer told to me, my application is getting slow response". how to resolve the issue. what are the steps you will follow to resolve the issue.
What is the other method of installing Linux O.S other than Text, GUI mode? Why we prefer that for installation of Linux in Real time?
Through ssh whole directory structure from / is shared regardless the user we have connected with ....... how do i prevent sharing ??
what is kernel panic error ? how will you fix it if you have face it after rebooting without the the help of rescue disk ?
what is the difference between unix and linux...
How to recover a deleted file in linux ?
In how many ways linux can be installed n explain th steps involved in installation in any of the method..?