1， 编辑虚拟机设置
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需要删除虚拟机快照才可以进行下一步操作
2， 进入到快照管理器删除快照
3，
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4， 点击扩展，等到扩展完成。
5, 开启linux主机，使用fdisk和resize2fs命令
root@test:~# fdisk /dev/sda
Welcome to fdisk (util-linux 2.34).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
GPT PMBR size mismatch (46555135 != 85983231) will be corrected by write.
The backup GPT table is not on the end of the device. This problem will be corrected by write.
Command (m for help): p
Disk /dev/sda: 41 GiB, 44023414784 bytes, 85983232 sectors
Disk model: VMware Virtual S
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 995D5226-4890-4236-AD8A-38173B823912
Device Start End Sectors Size Type
/dev/sda1 2048 4095 2048 1M BIOS boot
/dev/sda2 4096 46553087 46548992 22.2G Linux filesystem
Command (m for help): d
Partition number (1,2, default 2):
Partition 2 has been deleted.
Command (m for help): n
Partition number (2-128, default 2):
First sector (4096-85983198, default 4096):
Last sector, +/-sectors or +/-size{K,M,G,T,P} (4096-85983198, default 85983198):
Created a new partition 2 of type 'Linux filesystem' and of size 41 GiB.
Partition #2 contains a ext4 signature.
Do you want to remove the signature? [Y]es/[N]o: N
Command (m for help): w
The partition table has been altered.
Syncing disks.
root@test:~# df -h
Filesystem Size Used Avail Use% Mounted on
udev 3.9G 0 3.9G 0% /dev
tmpfs 794M 3.1M 791M 1% /run
/dev/sda2 22G 16G 5.3G 75% /
tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/loop0 100M 100M 0 100% /snap/core/10958
/dev/loop2 55M 55M 0 100% /snap/core18/1754
/dev/loop1 94M 94M 0 100% /snap/core/9066
/dev/loop3 56M 56M 0 100% /snap/core18/1997
/dev/loop4 132M 132M 0 100% /snap/docker/796
/dev/loop6 70M 70M 0 100% /snap/lxd/20211
/dev/loop5 121M 121M 0 100% /snap/docker/423
/dev/loop7 22M 22M 0 100% /snap/keepalived/1962
/dev/loop8 18M 18M 0 100% /snap/keepalived/799
/dev/loop9 209M 209M 0 100% /snap/microk8s/2094
/dev/loop10 28M 28M 0 100% /snap/snapd/7264
/dev/loop11 70M 70M 0 100% /snap/lxd/20222
/dev/loop12 33M 33M 0 100% /snap/snapd/11588
/dev/loop13 181M 181M 0 100% /snap/microk8s/2128
tmpfs 794M 0 794M 0% /run/user/1000
root@test:~# resize2fs /dev/sda2
resize2fs 1.45.5 (07-Jan-2020)
Filesystem at /dev/sda2 is mounted on /; on-line resizing required
old_desc_blocks = 3, new_desc_blocks = 6
The filesystem on /dev/sda2 is now 10747387 (4k) blocks long.
root@test:~# df -h
Filesystem Size Used Avail Use% Mounted on
udev 3.9G 0 3.9G 0% /dev
tmpfs 794M 3.1M 791M 1% /run
/dev/sda2 41G 16G 24G 41% /
tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/loop0 100M 100M 0 100% /snap/core/10958
/dev/loop2 55M 55M 0 100% /snap/core18/1754
/dev/loop1 94M 94M 0 100% /snap/core/9066
/dev/loop3 56M 56M 0 100% /snap/core18/1997
/dev/loop4 132M 132M 0 100% /snap/docker/796
/dev/loop6 70M 70M 0 100% /snap/lxd/20211
/dev/loop5 121M 121M 0 100% /snap/docker/423
/dev/loop7 22M 22M 0 100% /snap/keepalived/1962
/dev/loop8 18M 18M 0 100% /snap/keepalived/799
/dev/loop9 209M 209M 0 100% /snap/microk8s/2094
/dev/loop10 28M 28M 0 100% /snap/snapd/7264
/dev/loop11 70M 70M 0 100% /snap/lxd/20222
/dev/loop12 33M 33M 0 100% /snap/snapd/11588
/dev/loop13 181M 181M 0 100% /snap/microk8s/2128
tmpfs 794M 0 794M 0% /run/user/1000
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