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3 - 퓨즈허용_기타

tag-icon • tag-icon ubuntu sshfs autofs fuse
3 - 퓨즈허용_기타

방금 Ubuntu 12.04에서 12.10으로 업그레이드했습니다. 이 작업을 수행하기 전에 autofs 구성을 백업했는데 제대로 작동했습니다. /etc/auto.master새 행에 이전 행을 추가합니다 .

+dir:/etc/auto.master.d
+auto.master
/mnt /etc/auto.sshfs uid=1000,gid=1000,--timeout=30,--ghost,--verbose

내 /etc/auto.sshfs모습은 다음과 같습니다.

mymount -fstype=fuse,rw,nodev,nonempty,noatime,allow_other,max_read=65536 :sshfs\#myuser@mydomain:/mnt/mymount

수동으로 시도했기 Connetion reset by peer때문에 옵션을 추가했습니다 IdentityFile=/home/myuser/.ssh/id_rsa. 이제 /mnt(manual 및 autofs를 사용하여) 액세스하려고 하면 이런 일이 발생합니다.

myuser@laptop /mnt % la
ls: cannot access mymount: No such file or directory
total 4
drwxr-xr-x  3 root root    0 Oct 19 10:34 ./
drwxr-xr-x 25 root root 4096 Oct 18 23:17 ../
d?????????  ? ?    ?       ?            ? mymount/

내 관련 항목은 /var/log/syslog다음과 같습니다.

Oct 19 00:17:56 laptop automount[1250]: attempting to mount entry /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: lookup(program): lookup for mymount failed
Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: attempting to mount entry /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: attempting to mount entry /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: attempting to mount entry /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: attempting to mount entry /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: attempting to mount entry /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
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Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: attempting to mount entry /mnt/mymount
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Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
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Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
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Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: attempting to mount entry /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: attempting to mount entry /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: attempting to mount entry /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: attempting to mount entry /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: attempting to mount entry /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: attempting to mount entry /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: attempting to mount entry /mnt/mymount
Oct 19 00:17:56 laptop automount[1250]: failed to mount /mnt/mymount
Oct 19 00:18:01 laptop automount[1250]: attempting to mount entry /mnt/.hidden
Oct 19 00:18:01 laptop automount[1250]: lookup(program): lookup for .hidden failed
Oct 19 00:18:01 laptop automount[1250]: failed to mount /mnt/.hidden
Oct 19 00:18:03 laptop automount[1250]: attempting to mount entry /mnt/.hidden
Oct 19 00:18:03 laptop automount[1250]: failed to mount /mnt/.hidden
Oct 19 00:18:03 laptop automount[1250]: attempting to mount entry /mnt/.hidden
Oct 19 00:18:03 laptop automount[1250]: failed to mount /mnt/.hidden
Oct 19 00:18:24 laptop automount[1250]: attempting to mount entry /mnt/.hidden
Oct 19 00:18:24 laptop automount[1250]: failed to mount /mnt/.hidden
Oct 19 00:21:57 laptop automount[1250]: umount_autofs_indirect: ask umount returned busy /mnt
Oct 19 00:21:59 laptop automount[1250]: shut down path /mnt
Oct 19 00:21:59 laptop automount[3436]: mounted indirect on /mnt with timeout 30, freq 8 seconds
Oct 19 00:21:59 laptop automount[3436]: ghosting enabled

UID와 GID를 확인한 결과 내 사용자와 일치합니다. 내 사용자의 SSH 키가 제자리에 있습니다. 또한 수동으로 생성하려고 시도했지만 /mnt/mymount이상하게도 autofs가 실행되는 동안에는 "Permission Denied"(제 생각에는 그래야 한다고 생각합니다)가 반환됩니다.

어떤 아이디어가 잘못되었을 수 있습니까? 이전에 잊어버린 구성 단계가 있어야 합니다.

답변1

디버그 옵션을 사용하여 autofs를 실행해 보셨나요?

sudo automount --debug -f /etc/auto.master실행 중인 터미널의 디버그 출력을 제공합니다.

퓨즈 그룹에 루트와 사용자를 추가하셨나요?

sudo gpasswd -a $USER fuse

답변2

문제를 일으킬 수 있는 몇 가지 문제가 있습니다. 이 답변을 작성하는 시점에서 귀하는 이미 문제 중 하나를 해결했지만 모든 문제를 해결하겠습니다(현재 문제는 #3으로 인해 발생함).

1 - 신분증

이것이 당신이 해결하는 문제입니다. sshfsautofs 마운트에서 실행하는 경우 sshfs루트로 실행되므로 루트의 SSH 키가 기본적으로 사용됩니다. IdentityFile=/home/user/.ssh/id_rsa다른 키를 사용하려면 지정해야 합니다 .

2 - 알려진 호스트

또한 평소와 다른 사용자로 실행 중이기 때문에 sshfs설치하려는 원격 호스트가 해당 파일에 있는지 확인해야 합니다 known_hosts. 이 문제를 해결하는 방법에는 여러 가지가 있습니다.

  1. 원격 호스트에 루트로 한 번 SSH를 통해 접속하고 원격 호스트의 키를 수락합니다.
  2. 매개변수를 추가합니다 StrictHostKeyChecking=no. 이렇게 하면 ssh가 보이는 모든 키를 허용하게 됩니다(따라서 약간의 불안감이 발생함).
  3. 매개변수를 추가합니다 UserKnownHostsFile=/home/user/.ssh/known_hosts. 이렇게 하면 known_hosts일반 사용자의 파일을 사용하게 됩니다 .

3 - 퓨즈허용_기타

기본적으로 퓨즈 파일 시스템(예: sshfs)은 파일 시스템을 마운트한 사용자 이외의 사용자가 액세스하는 것을 허용하지 않습니다. autofs는 루트로 실행되므로 기본적으로 루트만 액세스할 수 있습니다. 실제 파일 권한이 허용해야 함을 나타내는 경우에도 다른 누구도 권한을 갖지 않습니다(루트 권한이 있는 루트가 아닌 사용자가 설치한 사용자도 포함). 이 문제를 해결하려면 마운트 옵션을 추가해야 합니다 allow_other. 이렇게 하면 이를 설치한 사용자 이외의 사용자가 설치에 액세스할 수 있습니다. 그러나 액세스는 여전히 마운트된 파일의 파일 수준 권한을 따릅니다.

관련 정보