Monthly Archives: May 2014

Removing a LVM Volume Group in Linux

[root@host1Z1 ~]# vgdisplay

— Volume group —
VG Name               vol_grp1
System ID
Format                lvm2
Metadata Areas        1
Metadata Sequence No  165
VG Access             read/write
VG Status             resizable
MAX LV                0
Cur LV                10
Open LV               2
Max PV                0
Cur PV                1
Act PV                1
VG Size               839.84 GiB
PE Size               4.00 MiB
Total PE              214999
Alloc PE / Size       212480 / 830.00 GiB
Free  PE / Size       2519 / 9.84 GiB
VG UUID               FOtjrl-D7bL-WH71-Ls55-fDEu-7es3-mjkhAu

#   lvmdiskscan

/dev/ram0                [      16.00 MiB]
/dev/sda                 [     931.51 GiB]
/dev/ram1                [      16.00 MiB]
/dev/vol_grp1/vs1003     [     120.00 GiB]
/dev/ram2                [      16.00 MiB]
/dev/ram3                [      16.00 MiB]
/dev/vol_grp1/nteraabb9q [     120.00 GiB]
/dev/ram4                [      16.00 MiB]
/dev/vol_grp1/vs1013     [     120.00 GiB]
/dev/ram5                [      16.00 MiB]
/dev/ram6                [      16.00 MiB]
/dev/vol_grp1/vs1014     [      60.00 GiB]
/dev/ram7                [      16.00 MiB]
/dev/ram8                [      16.00 MiB]
/dev/vol_grp1/ntsrmdeedm [      60.00 GiB]
/dev/ram9                [      16.00 MiB]
/dev/vol_grp1/vs1015     [     210.00 GiB]
/dev/ram10               [      16.00 MiB]
/dev/ram11               [      16.00 MiB]
/dev/vol_grp1/vs1016     [     150.00 GiB]
/dev/ram12               [      16.00 MiB]
/dev/ram13               [      16.00 MiB]
/dev/ram14               [      16.00 MiB]
/dev/ram15               [      16.00 MiB]
/dev/vol_grp1/vs1017     [      70.00 GiB]
/dev/sdb1                [      78.12 GiB]
/dev/sdb2                [     839.84 GiB] LVM physical volume
/dev/sdb3                [       7.81 GiB]
3 disks
24 partitions
0 LVM physical volume whole disks
1 LVM physical volume

[root@host1AZ ~]# lvscan

ACTIVE   Original ‘/dev/vol_grp1/vs1003’ [120.00 GiB] inherit
ACTIVE            ‘/dev/vol_grp1/vs1013’ [120.00 GiB] inherit
ACTIVE   Original ‘/dev/vol_grp1/vs1014’ [60.00 GiB] inherit
ACTIVE            ‘/dev/vol_grp1/vs1015’ [210.00 GiB] inherit
inactive Original ‘/dev/vol_grp1/vs1016’ [150.00 GiB] inherit
ACTIVE   Snapshot ‘/dev/vol_grp1/ntsrmdeedm’ [25.00 GiB] inherit
ACTIVE   Snapshot ‘/dev/vol_grp1/nteraabb9q’ [25.00 GiB] inherit
ACTIVE            ‘/dev/vol_grp1/vs1017’ [70.00 GiB] inherit
inactive Snapshot ‘/dev/vol_grp1/ntdraalemj’ [25.00 GiB] inherit
inactive Snapshot ‘/dev/vol_grp1/nt0ymc1zi2’ [25.00 GiB] inherit

 

 

vgchange -ay

10 logical volume(s) in volume group “vol_grp1” now active

[root@host11Z ~]# lvchange -an /dev/vol_grp1/vs1015

[root@host144 ~]#  lvremove /dev/vol_grp1/vs1015

Logical volume “vs1015” successfully removed

 

[root@host12Z ~]# vgdisplay

— Volume group —
VG Name               vol_grp1
System ID
Format                lvm2
Metadata Areas        1
Metadata Sequence No  166
VG Access             read/write
VG Status             resizable
MAX LV                0

WordPress login brute force

Facing issues with bruteforce on wp-login page in wordpress ?

You can stop it using below method,

copy paste the below code in httpd.conf and restart httpd

xx.xx.xx.xx is the IP address where you can add your own IP address to be able to access wp-login

<FilesMatch wp-login.php>
Order Allow,Deny
Allow from xx.xx.xx.xx
Deny from all
</FilesMatch>