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Explanation: Other day I was attempting to enable quota on one of my vms and I observed the quotacheck failed with above error. This error most likely means that quotacheck was unable to perform read
Use rowid pseudo column. All you have to do is to keep the latest data (i.e. highest ROWID) and remove other duplicated rows. SELECT * FROM table1 a WHERE rowid < (SELECT max(rowid) FROM table1
Now we hear many times from most of the people around us claiming that Linux is much more secure than Windows or Linux is very secure. But what are the things in Linux that makes
Recently I ran into a situation where my kernel was not loading vmxnet3 module during startup of the system hence I had to change the network card module from default vmxnet3 to E1000 on my
We have many tools available online which can help us monitor network bandwidth usage within a network between differnt Linux machines. In this article I will show how netperf can be used to monitor network
This article will guide you with steps used to perform upgrade as well as downgrade of Emulex Converged Network Adapters firmware version running on HP hardware For the demonstration of this article I will be
About TFTP from wiki page Trivial File Transfer Protocol (TFTP) is a simple, lockstep, File Transfer Protocol which allows a client to get a file from or put a file onto a remote host. One
Error: On Client (192.169.32.17) # mount 192.169.32.10:/export/home/deepak /mnt mount.nfs: access denied by server while mounting 192.169.32.10:/export/home/deepak On NFS Server (192.169.32.10) # tail -n 1 /var/log/messages Sep 13 00:00:32 cc01-nds-ins rpc.mountd[29613]: refused mount request from 192.169.32.17