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 ...
Romeo Ninov's user avatar
  • 5,932
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 ...
Mircea Vutcovici's user avatar
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 ...
JeffT's user avatar
  • 36
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: ...
dodexahedron's user avatar

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