1.Diff between Active and passive FTP? 2.What is anacron? 3.Diff between yum update and yum install while doing for kernel? 4.root_squash and no_root_squash does what? 5.What are the commands will you execute to find a new hardware? 6.How will you find out a lun allocated from SAN? 7.What is the main diff in CaT5 and CAT6 cable, except the 1/100 and 1/1000? 8.What is stale NFS and How will you fix it? 9.What is kernel panic error? 10.How will you recover password and shadow file, in case both got deleted. Explain the steps? 11.Explain boot process 12.What is network bonding. Explain the steps? 13.What are the exit codes returned by FSCK? 14.What is LDOM? 15.Diff between block and character device?

2 Answers   Wipro,

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How to get microseconds of system time from Redhat Linux 4.0

2 Answers  

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what is the difference between user APIs and kernel system calls ?

1 Answers   NetApp,

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Port number is already in use .. how to fix for apache..?

1 Answers   Google,

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diff b/w spinlock, seamaphores and mutex and where to use it.

2 Answers   Intel,

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what happens when we do insmod & rmmod in Linux Device Drivers ?

2 Answers  

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what is iptabe on redhat linux?

3 Answers   CDAC,

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what kind of information the linux driver modules (.ko ) files has ?

2 Answers   NetApp,

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what are the backup utilites on red hat linux 4.0?

4 Answers   Wipro,

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What will happen when we invoke a system call and say with an example of invoking a system call ?read? for a device?

3 Answers   NetApp,

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What are the signals we have in Linux

3 Answers   HCL, NetApp,

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How to create secured appeche web sever ?

1 Answers   HCL,

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