kali扩展root根分区
1、添加新磁盘
2、fdisk -l查看磁盘被识别的名称
3、如果输入fdisk -l命令没有找到新的磁盘,需要扫描:
root@kali:~# echo “- – -” > /sys/class/scsi_host/host1/scan
root@kali:~# echo “- – -” > /sys/class/scsi_host/host2/scan
root@kali:~# echo “- – -” > /sys/class/scsi_host/host3/scan
4、创建物理卷
root@kali:~# pvcreate /dev/sdb
Physical volume “/dev/sdb” successfully created.
root@kali:~# pvs
PV VG Fmt Attr PSize PFree
/dev/sda5 kali-vg lvm2 a– <19.76g 0
/dev/sdb lvm2 — 10.00g 10.00g
5、扩展VG卷组
root@kali:~# vgextend kali-vg /dev/sdb
Volume group “kali-vg” successfully extended
root@kali:~# vgs
VG #PV #LV #SN Attr VSize VFree
kali-vg 2 2 0 wz–n- 29.75g <10.00g
6、扩展逻辑卷LVS
root@kali:~# lvextend -L +9G /dev/kali-vg/root
Size of logical volume kali-vg/root changed from <19.26 GiB (4930 extents) to <28.26 GiB (7234 extents).
Logical volume kali-vg/root successfully resized.
root@kali:~# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
root kali-vg -wi-ao—- <28.26g
swap_1 kali-vg -wi-ao—- 512.00m
root@kali:~# df -h
文件系统 容量 已用 可用 已用% 挂载点
udev 1.5G 0 1.5G 0% /dev
tmpfs 295M 9.0M 286M 4% /run
/dev/mapper/kali–vg-root 19G 18G 140M 100% /
tmpfs 1.5G 0 1.5G 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 1.5G 0 1.5G 0% /sys/fs/cgroup
/dev/sda1 236M 54M 171M 24% /boot
tmpfs 295M 16K 295M 1% /run/user/135
tmpfs 295M 40K 295M 1% /run/user/0
/dev/sr0 56M 56M 0 100% /media/cdrom0
7、同步文件系统
root@kali:~# resize2fs /dev/mapper/kali–vg-root
resize2fs 1.44.3 (10-July-2018)
Filesystem at /dev/mapper/kali–vg-root is mounted on /; on-line resizing required
old_desc_blocks = 3, new_desc_blocks = 4
The filesystem on /dev/mapper/kali–vg-root is now 7407616 (4k) blocks long.
root@kali:~# df -h
文件系统 容量 已用 可用 已用% 挂载点
udev 1.5G 0 1.5G 0% /dev
tmpfs 295M 9.0M 286M 4% /run
/dev/mapper/kali–vg-root 28G 18G 8.7G 68% /
tmpfs 1.5G 0 1.5G 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 1.5G 0 1.5G 0% /sys/fs/cgroup
/dev/sda1 236M 54M 171M 24% /boot
tmpfs 295M 16K 295M 1% /run/user/135
tmpfs 295M 40K 295M 1% /run/user/0
/dev/sr0 56M 56M 0 100% /media/cdrom0
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