之前用这个命令装过一次，成功了。
这次装就报错了，求大佬们给看看。
[email protected]:~ # wget -O- ‘https://mirror.joodle.nl/WS8.1-Joodle-Template.gz’ | gunzip | dd of=/dev/sda
dd: /dev/sda: Operation not supported
–2019-10-04 09:31:49– https://mirror.joodle.nl/WS8.1-Joodle-Template.gz
Resolving mirror.joodle.nl (mirror.joodle.nl)… 51.15.134.130
Connecting to mirror.joodle.nl (mirror.joodle.nl)|51.15.134.130|:443… connected.
HTTP request sent, awaiting response… 200 OK
Length: 4019814471 (3.7G) [application/octet-stream]
Saving to: ‘STDOUT’
– 0%[ ] 31.66K –.-KB/s in 0.003s
Cannot write to ‘-‘ (No error: 0).
[email protected]:~ # df -h
Filesystem Size Used Avail Capacity Mounted on
91.121.111.111:/home/pub/freebsd10-amd64-rescue 1.7T 384G 1.3T 23% /
devfs 1.0K 1.0K 0B 100% /dev
/dev/md0 29M 2.9M 24M 11% /etc
/dev/md1 7.0M 8.0K 6.4M 0% /mnt
/dev/md2 234M 316K 215M 0% /opt
/dev/md3 7.0M 80K 6.3M 1% /root
procfs 4.0K 4.0K 0B 100% /proc
<above>:/opt/local 1.7T 1.7T 215M 100% /usr/local
<above>:/opt/var 1.7T 1.7T 215M 100% /var
/dev/md4 62M 28K 57M 0% /tmp
/var/empty 1.7T 1.7T 215M 100% /opt/ovh