Running sshd in cygwin: “/var/empty must be owned by root…” Announcing the arrival of Valued Associate #679: Cesar Manara Planned maintenance scheduled April 23, 2019 at 00:00UTC (8:00pm US/Eastern) 2019 Community Moderator Election Results Why I closed the “Why is Kali so hard” questionI killed sshd but it's still running?How can I tell if sshd is running with ClientAliveInterval > 0?ssh daemon error: sshd must be ownSeparate SSHD Authpriv logs into /var/log/sshd, all other authpriv logging goes to messagesError when running TMUX under CYGWINRunning script in cygwin enviromentRunning Docker under Windows/cygwin environmentRunning JAVA in Cygwin through bash scriptHave bash script running every min in CygwinCan't chown 0 (root) in Cygwin
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Running sshd in cygwin: “/var/empty must be owned by root…”
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 23, 2019 at 00:00UTC (8:00pm US/Eastern)
2019 Community Moderator Election Results
Why I closed the “Why is Kali so hard” questionI killed sshd but it's still running?How can I tell if sshd is running with ClientAliveInterval > 0?ssh daemon error: sshd must be ownSeparate SSHD Authpriv logs into /var/log/sshd, all other authpriv logging goes to messagesError when running TMUX under CYGWINRunning script in cygwin enviromentRunning Docker under Windows/cygwin environmentRunning JAVA in Cygwin through bash scriptHave bash script running every min in CygwinCan't chown 0 (root) in Cygwin
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
I installed OpenSSH on my Windows 7 system so I could tunnel my VNC into it from my Arch machine. However, when I run /usr/sbin/sshd -D on the W7 machine, I get the error: /var/empty must be owned by root and not group or world-writable.
This is the output of the ls -All /var:
$ ls -All /var
total 0
drwxr-xr-x+ 1 my_usrnm None 0 Jul 15 21:39 cache
drw-------+ 1 cyg_server Administrators 0 Jul 15 21:43 empty
drwxr-xr-x+ 1 my_usrnm None 0 Jul 15 21:39 lib
drwxrwxrwt+ 1 my_usrnm None 0 Jul 15 21:45 log
drwxrwxrwt+ 1 my_usrnm None 0 Jul 15 23:36 run
drwxrwxrwt+ 1 my_usrnm None 0 Jul 15 21:39 tmp
I've tried a few of the permissions fixes and rebooted and reinstalled OpenSSH (by running ssh-host-config) at least 10 times, but nothing had fixed it.
How do I fix this error? Thanks!
ssh sshd cygwin
asked Jul 16 '16 at 6:43
ZuluDeltaNinerZuluDeltaNiner
191128
|
show 9 more comments
I installed OpenSSH on my Windows 7 system so I could tunnel my VNC into it from my Arch machine. However, when I run /usr/sbin/sshd -D on the W7 machine, I get the error: /var/empty must be owned by root and not group or world-writable.
This is the output of the ls -All /var:
$ ls -All /var
total 0
drwxr-xr-x+ 1 my_usrnm None 0 Jul 15 21:39 cache
drw-------+ 1 cyg_server Administrators 0 Jul 15 21:43 empty
drwxr-xr-x+ 1 my_usrnm None 0 Jul 15 21:39 lib
drwxrwxrwt+ 1 my_usrnm None 0 Jul 15 21:45 log
drwxrwxrwt+ 1 my_usrnm None 0 Jul 15 23:36 run
drwxrwxrwt+ 1 my_usrnm None 0 Jul 15 21:39 tmp
I've tried a few of the permissions fixes and rebooted and reinstalled OpenSSH (by running ssh-host-config) at least 10 times, but nothing had fixed it.
How do I fix this error? Thanks!
ssh sshd cygwin
asked Jul 16 '16 at 6:43
ZuluDeltaNinerZuluDeltaNiner
191128
Did you installsshdthrough thecygwininstaller?
– Julie Pelletier
Jul 16 '16 at 6:47
yes @JuliePelletier
– ZuluDeltaNiner
Jul 16 '16 at 6:49
1
it says owned bycyg_servershouldn't it sayroot? trychown root /var/empty
– Jasen
Jul 16 '16 at 6:51
other sites I looked at (including this: stackoverflow.com/a/20473488/1184062), show the owner as cyg_server @JuliePelletier
– ZuluDeltaNiner
Jul 16 '16 at 6:53
It depends on the user the service runs as, and you need to run thecygwinshell as an administrator. If you're already running it as an administrator, I guess your service could be running as theSYSTEMuser.
– Julie Pelletier
Jul 16 '16 at 6:55
|
show 9 more comments
I installed OpenSSH on my Windows 7 system so I could tunnel my VNC into it from my Arch machine. However, when I run /usr/sbin/sshd -D on the W7 machine, I get the error: /var/empty must be owned by root and not group or world-writable.
This is the output of the ls -All /var:
$ ls -All /var
total 0
drwxr-xr-x+ 1 my_usrnm None 0 Jul 15 21:39 cache
drw-------+ 1 cyg_server Administrators 0 Jul 15 21:43 empty
drwxr-xr-x+ 1 my_usrnm None 0 Jul 15 21:39 lib
drwxrwxrwt+ 1 my_usrnm None 0 Jul 15 21:45 log
drwxrwxrwt+ 1 my_usrnm None 0 Jul 15 23:36 run
drwxrwxrwt+ 1 my_usrnm None 0 Jul 15 21:39 tmp
I've tried a few of the permissions fixes and rebooted and reinstalled OpenSSH (by running ssh-host-config) at least 10 times, but nothing had fixed it.
How do I fix this error? Thanks!
ssh sshd cygwin
asked Jul 16 '16 at 6:43
ZuluDeltaNinerZuluDeltaNiner
191128
I installed OpenSSH on my Windows 7 system so I could tunnel my VNC into it from my Arch machine. However, when I run /usr/sbin/sshd -D on the W7 machine, I get the error: /var/empty must be owned by root and not group or world-writable.
This is the output of the ls -All /var:
$ ls -All /var
total 0
drwxr-xr-x+ 1 my_usrnm None 0 Jul 15 21:39 cache
drw-------+ 1 cyg_server Administrators 0 Jul 15 21:43 empty
drwxr-xr-x+ 1 my_usrnm None 0 Jul 15 21:39 lib
drwxrwxrwt+ 1 my_usrnm None 0 Jul 15 21:45 log
drwxrwxrwt+ 1 my_usrnm None 0 Jul 15 23:36 run
drwxrwxrwt+ 1 my_usrnm None 0 Jul 15 21:39 tmp
I've tried a few of the permissions fixes and rebooted and reinstalled OpenSSH (by running ssh-host-config) at least 10 times, but nothing had fixed it.
How do I fix this error? Thanks!
ssh sshd cygwin
ssh sshd cygwin
asked Jul 16 '16 at 6:43
ZuluDeltaNinerZuluDeltaNiner
191128
asked Jul 16 '16 at 6:43
ZuluDeltaNinerZuluDeltaNiner
191128
asked Jul 16 '16 at 6:43
ZuluDeltaNinerZuluDeltaNiner
191128
asked Jul 16 '16 at 6:43
ZuluDeltaNinerZuluDeltaNiner
191128
asked Jul 16 '16 at 6:43
ZuluDeltaNinerZuluDeltaNiner
191128
191128
Did you installsshdthrough thecygwininstaller?
– Julie Pelletier
Jul 16 '16 at 6:47
yes @JuliePelletier
– ZuluDeltaNiner
Jul 16 '16 at 6:49
1
it says owned bycyg_servershouldn't it sayroot? trychown root /var/empty
– Jasen
Jul 16 '16 at 6:51
other sites I looked at (including this: stackoverflow.com/a/20473488/1184062), show the owner as cyg_server @JuliePelletier
– ZuluDeltaNiner
Jul 16 '16 at 6:53
It depends on the user the service runs as, and you need to run thecygwinshell as an administrator. If you're already running it as an administrator, I guess your service could be running as theSYSTEMuser.
– Julie Pelletier
Jul 16 '16 at 6:55
|
show 9 more comments
Did you installsshdthrough thecygwininstaller?
– Julie Pelletier
Jul 16 '16 at 6:47
yes @JuliePelletier
– ZuluDeltaNiner
Jul 16 '16 at 6:49
1
it says owned bycyg_servershouldn't it sayroot? trychown root /var/empty
– Jasen
Jul 16 '16 at 6:51
other sites I looked at (including this: stackoverflow.com/a/20473488/1184062), show the owner as cyg_server @JuliePelletier
– ZuluDeltaNiner
Jul 16 '16 at 6:53
It depends on the user the service runs as, and you need to run thecygwinshell as an administrator. If you're already running it as an administrator, I guess your service could be running as theSYSTEMuser.
– Julie Pelletier
Jul 16 '16 at 6:55
Did you install
sshd through the cygwin installer?– Julie Pelletier
Jul 16 '16 at 6:47
Did you install
sshd through the cygwin installer?– Julie Pelletier
Jul 16 '16 at 6:47
yes @JuliePelletier
– ZuluDeltaNiner
Jul 16 '16 at 6:49
yes @JuliePelletier
– ZuluDeltaNiner
Jul 16 '16 at 6:49
1
1
it says owned by
cyg_server shouldn't it say root ? try chown root /var/empty– Jasen
Jul 16 '16 at 6:51
it says owned by
cyg_server shouldn't it say root ? try chown root /var/empty– Jasen
Jul 16 '16 at 6:51
other sites I looked at (including this: stackoverflow.com/a/20473488/1184062), show the owner as cyg_server @JuliePelletier
– ZuluDeltaNiner
Jul 16 '16 at 6:53
other sites I looked at (including this: stackoverflow.com/a/20473488/1184062), show the owner as cyg_server @JuliePelletier
– ZuluDeltaNiner
Jul 16 '16 at 6:53
It depends on the user the service runs as, and you need to run the
cygwin shell as an administrator. If you're already running it as an administrator, I guess your service could be running as the SYSTEM user.– Julie Pelletier
Jul 16 '16 at 6:55
It depends on the user the service runs as, and you need to run the
cygwin shell as an administrator. If you're already running it as an administrator, I guess your service could be running as the SYSTEM user.– Julie Pelletier
Jul 16 '16 at 6:55
|
show 9 more comments
1 Answer
1
active
oldest
votes
The directory owner and permission are correct.
During configuration use the PrivilegeSeparation option.
Start the demon as service
cygrunsrv -S sshd
Example of directory permission on a functional system
$ icacls $(cygpath -w /var/empty)
E:cygwin64varempty NULL SID:(DENY)(Rc,S,REA,X,DC)
MATZERIcyg_server:(F)
BUILTINAdministrators:(RX)
NT AUTHORITYSYSTEM:(RX)
BUILTINAdministrators:(RX)
Everyone:(RX)
CREATOR OWNER:(OI)(CI)(IO)(F)
CREATOR GROUP:(OI)(CI)(IO)(RX)
Everyone:(OI)(CI)(IO)(RX)
Successfully processed 1 files; Failed processing 0 files
They are reported in the cygwin way as
$ getfacl /var/empty
# file: /var/empty
# owner: cyg_server
# group: Administrators
user::rwx
group::r-x
group:SYSTEM:r-x
group:Administrators:r-x
mask:r-x
other:r-x
default:user::rwx
default:group::r-x
default:other:r-x
If there are spurious extra ACL permission the usage of setfacl -b /var/empty/ could be useful.
answered Jul 16 '16 at 14:46
matzerimatzeri
52135
I still get the /var/empty message in sshd.log. I can ssh into that computer from that computer (i.e. localhost), but I can't from my arch machine (it times out).
– ZuluDeltaNiner
Jul 16 '16 at 16:20
My permissions were not correct, so I ran$ setfacl -s "u::rwx,g::r-x,o::r-x" /var/empty, which gave me this output for getfacl (pastebin). However, I still get the /var/empty error.
– ZuluDeltaNiner
Jul 17 '16 at 16:19
what is the output oficacls $(cygpath -w /var/empty)?
– matzeri
Jul 17 '16 at 17:04
pastebin
– ZuluDeltaNiner
Jul 17 '16 at 17:24
add a comment |
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1 Answer
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oldest
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active
oldest
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active
oldest
votes
The directory owner and permission are correct.
During configuration use the PrivilegeSeparation option.
Start the demon as service
cygrunsrv -S sshd
Example of directory permission on a functional system
$ icacls $(cygpath -w /var/empty)
E:cygwin64varempty NULL SID:(DENY)(Rc,S,REA,X,DC)
MATZERIcyg_server:(F)
BUILTINAdministrators:(RX)
NT AUTHORITYSYSTEM:(RX)
BUILTINAdministrators:(RX)
Everyone:(RX)
CREATOR OWNER:(OI)(CI)(IO)(F)
CREATOR GROUP:(OI)(CI)(IO)(RX)
Everyone:(OI)(CI)(IO)(RX)
Successfully processed 1 files; Failed processing 0 files
They are reported in the cygwin way as
$ getfacl /var/empty
# file: /var/empty
# owner: cyg_server
# group: Administrators
user::rwx
group::r-x
group:SYSTEM:r-x
group:Administrators:r-x
mask:r-x
other:r-x
default:user::rwx
default:group::r-x
default:other:r-x
If there are spurious extra ACL permission the usage of setfacl -b /var/empty/ could be useful.
answered Jul 16 '16 at 14:46
matzerimatzeri
52135
I still get the /var/empty message in sshd.log. I can ssh into that computer from that computer (i.e. localhost), but I can't from my arch machine (it times out).
– ZuluDeltaNiner
Jul 16 '16 at 16:20
My permissions were not correct, so I ran$ setfacl -s "u::rwx,g::r-x,o::r-x" /var/empty, which gave me this output for getfacl (pastebin). However, I still get the /var/empty error.
– ZuluDeltaNiner
Jul 17 '16 at 16:19
what is the output oficacls $(cygpath -w /var/empty)?
– matzeri
Jul 17 '16 at 17:04
pastebin
– ZuluDeltaNiner
Jul 17 '16 at 17:24
add a comment |
The directory owner and permission are correct.
During configuration use the PrivilegeSeparation option.
Start the demon as service
cygrunsrv -S sshd
Example of directory permission on a functional system
$ icacls $(cygpath -w /var/empty)
E:cygwin64varempty NULL SID:(DENY)(Rc,S,REA,X,DC)
MATZERIcyg_server:(F)
BUILTINAdministrators:(RX)
NT AUTHORITYSYSTEM:(RX)
BUILTINAdministrators:(RX)
Everyone:(RX)
CREATOR OWNER:(OI)(CI)(IO)(F)
CREATOR GROUP:(OI)(CI)(IO)(RX)
Everyone:(OI)(CI)(IO)(RX)
Successfully processed 1 files; Failed processing 0 files
They are reported in the cygwin way as
$ getfacl /var/empty
# file: /var/empty
# owner: cyg_server
# group: Administrators
user::rwx
group::r-x
group:SYSTEM:r-x
group:Administrators:r-x
mask:r-x
other:r-x
default:user::rwx
default:group::r-x
default:other:r-x
If there are spurious extra ACL permission the usage of setfacl -b /var/empty/ could be useful.
answered Jul 16 '16 at 14:46
matzerimatzeri
52135
I still get the /var/empty message in sshd.log. I can ssh into that computer from that computer (i.e. localhost), but I can't from my arch machine (it times out).
– ZuluDeltaNiner
Jul 16 '16 at 16:20
My permissions were not correct, so I ran$ setfacl -s "u::rwx,g::r-x,o::r-x" /var/empty, which gave me this output for getfacl (pastebin). However, I still get the /var/empty error.
– ZuluDeltaNiner
Jul 17 '16 at 16:19
what is the output oficacls $(cygpath -w /var/empty)?
– matzeri
Jul 17 '16 at 17:04
pastebin
– ZuluDeltaNiner
Jul 17 '16 at 17:24
add a comment |
The directory owner and permission are correct.
During configuration use the PrivilegeSeparation option.
Start the demon as service
cygrunsrv -S sshd
Example of directory permission on a functional system
$ icacls $(cygpath -w /var/empty)
E:cygwin64varempty NULL SID:(DENY)(Rc,S,REA,X,DC)
MATZERIcyg_server:(F)
BUILTINAdministrators:(RX)
NT AUTHORITYSYSTEM:(RX)
BUILTINAdministrators:(RX)
Everyone:(RX)
CREATOR OWNER:(OI)(CI)(IO)(F)
CREATOR GROUP:(OI)(CI)(IO)(RX)
Everyone:(OI)(CI)(IO)(RX)
Successfully processed 1 files; Failed processing 0 files
They are reported in the cygwin way as
$ getfacl /var/empty
# file: /var/empty
# owner: cyg_server
# group: Administrators
user::rwx
group::r-x
group:SYSTEM:r-x
group:Administrators:r-x
mask:r-x
other:r-x
default:user::rwx
default:group::r-x
default:other:r-x
If there are spurious extra ACL permission the usage of setfacl -b /var/empty/ could be useful.
answered Jul 16 '16 at 14:46
matzerimatzeri
52135
The directory owner and permission are correct.
During configuration use the PrivilegeSeparation option.
Start the demon as service
cygrunsrv -S sshd
Example of directory permission on a functional system
$ icacls $(cygpath -w /var/empty)
E:cygwin64varempty NULL SID:(DENY)(Rc,S,REA,X,DC)
MATZERIcyg_server:(F)
BUILTINAdministrators:(RX)
NT AUTHORITYSYSTEM:(RX)
BUILTINAdministrators:(RX)
Everyone:(RX)
CREATOR OWNER:(OI)(CI)(IO)(F)
CREATOR GROUP:(OI)(CI)(IO)(RX)
Everyone:(OI)(CI)(IO)(RX)
Successfully processed 1 files; Failed processing 0 files
They are reported in the cygwin way as
$ getfacl /var/empty
# file: /var/empty
# owner: cyg_server
# group: Administrators
user::rwx
group::r-x
group:SYSTEM:r-x
group:Administrators:r-x
mask:r-x
other:r-x
default:user::rwx
default:group::r-x
default:other:r-x
If there are spurious extra ACL permission the usage of setfacl -b /var/empty/ could be useful.
answered Jul 16 '16 at 14:46
matzerimatzeri
52135
edited Jul 17 '16 at 4:39
answered Jul 16 '16 at 14:46
matzerimatzeri
52135
answered Jul 16 '16 at 14:46
matzerimatzeri
52135
answered Jul 16 '16 at 14:46
matzerimatzeri
52135
52135
I still get the /var/empty message in sshd.log. I can ssh into that computer from that computer (i.e. localhost), but I can't from my arch machine (it times out).
– ZuluDeltaNiner
Jul 16 '16 at 16:20
My permissions were not correct, so I ran$ setfacl -s "u::rwx,g::r-x,o::r-x" /var/empty, which gave me this output for getfacl (pastebin). However, I still get the /var/empty error.
– ZuluDeltaNiner
Jul 17 '16 at 16:19
what is the output oficacls $(cygpath -w /var/empty)?
– matzeri
Jul 17 '16 at 17:04
pastebin
– ZuluDeltaNiner
Jul 17 '16 at 17:24
add a comment |
I still get the /var/empty message in sshd.log. I can ssh into that computer from that computer (i.e. localhost), but I can't from my arch machine (it times out).
– ZuluDeltaNiner
Jul 16 '16 at 16:20
My permissions were not correct, so I ran$ setfacl -s "u::rwx,g::r-x,o::r-x" /var/empty, which gave me this output for getfacl (pastebin). However, I still get the /var/empty error.
– ZuluDeltaNiner
Jul 17 '16 at 16:19
what is the output oficacls $(cygpath -w /var/empty)?
– matzeri
Jul 17 '16 at 17:04
pastebin
– ZuluDeltaNiner
Jul 17 '16 at 17:24
I still get the /var/empty message in sshd.log. I can ssh into that computer from that computer (i.e. localhost), but I can't from my arch machine (it times out).
– ZuluDeltaNiner
Jul 16 '16 at 16:20
I still get the /var/empty message in sshd.log. I can ssh into that computer from that computer (i.e. localhost), but I can't from my arch machine (it times out).
– ZuluDeltaNiner
Jul 16 '16 at 16:20
My permissions were not correct, so I ran
$ setfacl -s "u::rwx,g::r-x,o::r-x" /var/empty, which gave me this output for getfacl (pastebin). However, I still get the /var/empty error.– ZuluDeltaNiner
Jul 17 '16 at 16:19
My permissions were not correct, so I ran
$ setfacl -s "u::rwx,g::r-x,o::r-x" /var/empty, which gave me this output for getfacl (pastebin). However, I still get the /var/empty error.– ZuluDeltaNiner
Jul 17 '16 at 16:19
what is the output of
icacls $(cygpath -w /var/empty) ?– matzeri
Jul 17 '16 at 17:04
what is the output of
icacls $(cygpath -w /var/empty) ?– matzeri
Jul 17 '16 at 17:04
pastebin
– ZuluDeltaNiner
Jul 17 '16 at 17:24
pastebin
– ZuluDeltaNiner
Jul 17 '16 at 17:24
add a comment |
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Did you install
sshdthrough thecygwininstaller?– Julie Pelletier
Jul 16 '16 at 6:47
yes @JuliePelletier
– ZuluDeltaNiner
Jul 16 '16 at 6:49
1
it says owned by
cyg_servershouldn't it sayroot? trychown root /var/empty– Jasen
Jul 16 '16 at 6:51
other sites I looked at (including this: stackoverflow.com/a/20473488/1184062), show the owner as cyg_server @JuliePelletier
– ZuluDeltaNiner
Jul 16 '16 at 6:53
It depends on the user the service runs as, and you need to run the
cygwinshell as an administrator. If you're already running it as an administrator, I guess your service could be running as theSYSTEMuser.– Julie Pelletier
Jul 16 '16 at 6:55