quotacheck: Something weird happened while scanning. Error 2133571361
## 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
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How to Remove Duplicate Rows from a Table
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
Why is Linux considered more safer than windows or any other OS ?
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
How to load modules from kernel during boot in Linux
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
How to monitor network bandwidth in Linux using netperf tool
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
How to downgrade HP Emluex CNA NIC card firmware version
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
How to configure TFTP server in Linux
About TFTP from [wiki](https://en.wikipedia.org/wiki/Trivial_File_Transfer_Protocol) 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
How to fix "mountd: refused mount request: unmatched host"
### 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
How to preserve symbolic link while copying a file in Linux
Below set of commands are executed on SuSE Linux Enterprise Server 11 SP 3 operating system, There can be many scenarios of copying symbolic links between different directories, let me
ORA-28002: the password will expire within 6 days (certain string)
I have been working in Sql developer for certain time, few days back found new notification/warning windows is popping up with the error message - ORA-28002: the password will expire