대형 패키지를 설치하면 "공간 없음" 오류가 발생합니다.

영구 Ubuntu Linuy에 unity3D를 설치하려고 하는데 스틱의 용량은 10GB 이상이고 영구 부분은 약 4GB입니다.

하지만 실행할 때마다 dpkg -i unity-editor-5.3.5f1+20160525_amd64.deb시간이 걸리고 다음 오류가 발생합니다.

(Reading database ... 192291 files and directories currently installed.)
Preparing to unpack unity-editor-5.3.5f1+20160525_amd64.deb ...
Unpacking unity-editor (5.3.5f1) over (5.3.5f1) ...
dpkg: error processing archive unity-editor-5.3.5f1+20160525_amd64.deb (--install):
 cannot copy extracted data for './opt/Unity/Editor/Data/PlaybackEngines/WindowsStandaloneSupport/Variations/win64_nondevelopment_mono/player_win_x64.pdb' to '/opt/Unity/Editor/Data/PlaybackEngines/WindowsStandaloneSupport/Variations/win64_nondevelopment_mono/player_win_x64.pdb.dpkg-new': failed to write (No space left on device)
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Errors were encountered while processing:
 unity-editor-5.3.5f1+20160525_amd64.deb

이 문제를 검색하고 캐시 지우기와 같은 답변을 읽었지만 불행히도 두 솔루션 모두 작동하지 않았습니다. df -a인쇄된 내용 은 다음과 같습니다 .

ubuntu@ubuntu:~/Downloads$ df -a
Filesystem     1K-blocks    Used Available Use% Mounted on
sysfs                  0       0         0    - /sys
proc                   0       0         0    - /proc
udev             4048568       0   4048568   0% /dev
devpts                 0       0         0    - /dev/pts
tmpfs             812644    9656    802988   2% /run
/dev/sdf1       15257600 5681272   9576328  38% /cdrom
/dev/loop1       1399936 1399936         0 100% /rofs
/cow             4062904 3439240    413952  90% /
securityfs             0       0         0    - /sys/kernel/security
tmpfs            4063216     144   4063072   1% /dev/shm
tmpfs               5120       4      5116   1% /run/lock
tmpfs            4063216       0   4063216   0% /sys/fs/cgroup
cgroup                 0       0         0    - /sys/fs/cgroup/systemd
pstore                 0       0         0    - /sys/fs/pstore
cgroup                 0       0         0    - /sys/fs/cgroup/perf_event
cgroup                 0       0         0    - /sys/fs/cgroup/net_cls,net_prio
cgroup                 0       0         0    - /sys/fs/cgroup/memory
cgroup                 0       0         0    - /sys/fs/cgroup/cpu,cpuacct
cgroup                 0       0         0    - /sys/fs/cgroup/devices
cgroup                 0       0         0    - /sys/fs/cgroup/cpuset
cgroup                 0       0         0    - /sys/fs/cgroup/blkio
cgroup                 0       0         0    - /sys/fs/cgroup/freezer
cgroup                 0       0         0    - /sys/fs/cgroup/hugetlb
cgroup                 0       0         0    - /sys/fs/cgroup/pids
systemd-1              0       0         0    - /proc/sys/fs/binfmt_misc
mqueue                 0       0         0    - /dev/mqueue
hugetlbfs              0       0         0    - /dev/hugepages
debugfs                0       0         0    - /sys/kernel/debug
tracefs                -       -         -    - /sys/kernel/debug/tracing
fusectl                0       0         0    - /sys/fs/fuse/connections
tmpfs            4063216     132   4063084   1% /tmp
tmpfs             812644      48    812596   1% /run/user/999
gvfsd-fuse             0       0         0    - /run/user/999/gvfs

편집: Unity .deb 파일은 다음에 따라 1.2G입니다.du -sh unity-editor-5.3.5f1+20160525_amd64.deb