13
votes
Accepted
LVM: Creation difference between CentOS 7 and CentOS 6
The difference is mainly because you use two different filesystems:
CentOS 7: sudo lvcreate -v -n lvname -L 512M rootvg && sudo mkfs.xfs
-L "lvname" /dev/mapper/rootvg-lvnamee
...
5
votes
LVM: Creation difference between CentOS 7 and CentOS 6
The file systems used in those commands are different, one is ext4 the other one is XFS.
See also How to Choose Your Red Hat Enterprise Linux File System
The ext4 file system is reserving 5% of disk ...
2
votes
Accepted
Network traffic detected on nethogs but not netstat
If there's nothing listening on your server's port (443), linux will still respond to incoming TCP SYN packet with a RST,ACK to say "nothing on this port, bugger off". That TCP response is ...
1
vote
How to remove package from rpm database
For anyone who wants to actually just remove the rpm from the rpm database, such as in the case of incorrect dependency mappings, you can use the following command:
rpm -e --justdb packagename
NB: ...
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