Whoami: cannot find name for user id 0
When I run whoami it says:
whoami: cannot find name for user id 0
My /etc/passwd file looks like this:
root::0:0:root:/root:/bin/bash
linux users
edited Jan 31 '13 at 15:14
Michael Mrozek♦
61.9k29193213
asked Jan 31 '13 at 2:01
gabemaigabemai
214148
|
show 2 more comments
When I run whoami it says:
whoami: cannot find name for user id 0
My /etc/passwd file looks like this:
root::0:0:root:/root:/bin/bash
linux users
edited Jan 31 '13 at 15:14
Michael Mrozek♦
61.9k29193213
asked Jan 31 '13 at 2:01
gabemaigabemai
214148
Your /etc/passwd is broken? Can you post the contents
– daisy
Jan 31 '13 at 2:06
What's yourid commandincurrent shellwhen you get whoami?.
– PersianGulf
Jan 31 '13 at 3:16
7
(1) Which linux distribution? (2) What is output ofpwckandgrpck? (3) Does file/etc/shadowexist?
– John Siu
Jan 31 '13 at 4:34
5
Also, have you set up (or attempted to) directory services of some sort (LDAP, NIS, etc.)? Have you touched/etc/nsswitch.conf?
– derobert
Jan 31 '13 at 17:09
1
I'm thinkingnsswitch.confas derobert mentioned. But I have seennscdcause weird crap like this before. If it's running, try stopping it. If it is not running, try starting it (though the starting it if it's not running thing was an old RHEL bug that should not around any more).
– Patrick
Feb 1 '13 at 3:35
|
show 2 more comments
When I run whoami it says:
whoami: cannot find name for user id 0
My /etc/passwd file looks like this:
root::0:0:root:/root:/bin/bash
linux users
edited Jan 31 '13 at 15:14
Michael Mrozek♦
61.9k29193213
asked Jan 31 '13 at 2:01
gabemaigabemai
214148
When I run whoami it says:
whoami: cannot find name for user id 0
My /etc/passwd file looks like this:
root::0:0:root:/root:/bin/bash
linux users
linux users
edited Jan 31 '13 at 15:14
Michael Mrozek♦
61.9k29193213
asked Jan 31 '13 at 2:01
gabemaigabemai
214148
edited Jan 31 '13 at 15:14
Michael Mrozek♦
61.9k29193213
asked Jan 31 '13 at 2:01
gabemaigabemai
214148
edited Jan 31 '13 at 15:14
Michael Mrozek♦
61.9k29193213
edited Jan 31 '13 at 15:14
Michael Mrozek♦
61.9k29193213
edited Jan 31 '13 at 15:14
Michael Mrozek♦
61.9k29193213
61.9k29193213
asked Jan 31 '13 at 2:01
gabemaigabemai
214148
asked Jan 31 '13 at 2:01
gabemaigabemai
214148
asked Jan 31 '13 at 2:01
gabemaigabemai
214148
214148
Your /etc/passwd is broken? Can you post the contents
– daisy
Jan 31 '13 at 2:06
What's yourid commandincurrent shellwhen you get whoami?.
– PersianGulf
Jan 31 '13 at 3:16
7
(1) Which linux distribution? (2) What is output ofpwckandgrpck? (3) Does file/etc/shadowexist?
– John Siu
Jan 31 '13 at 4:34
5
Also, have you set up (or attempted to) directory services of some sort (LDAP, NIS, etc.)? Have you touched/etc/nsswitch.conf?
– derobert
Jan 31 '13 at 17:09
1
I'm thinkingnsswitch.confas derobert mentioned. But I have seennscdcause weird crap like this before. If it's running, try stopping it. If it is not running, try starting it (though the starting it if it's not running thing was an old RHEL bug that should not around any more).
– Patrick
Feb 1 '13 at 3:35
|
show 2 more comments
Your /etc/passwd is broken? Can you post the contents
– daisy
Jan 31 '13 at 2:06
What's yourid commandincurrent shellwhen you get whoami?.
– PersianGulf
Jan 31 '13 at 3:16
7
(1) Which linux distribution? (2) What is output ofpwckandgrpck? (3) Does file/etc/shadowexist?
– John Siu
Jan 31 '13 at 4:34
5
Also, have you set up (or attempted to) directory services of some sort (LDAP, NIS, etc.)? Have you touched/etc/nsswitch.conf?
– derobert
Jan 31 '13 at 17:09
1
I'm thinkingnsswitch.confas derobert mentioned. But I have seennscdcause weird crap like this before. If it's running, try stopping it. If it is not running, try starting it (though the starting it if it's not running thing was an old RHEL bug that should not around any more).
– Patrick
Feb 1 '13 at 3:35
Your /etc/passwd is broken? Can you post the contents
– daisy
Jan 31 '13 at 2:06
Your /etc/passwd is broken? Can you post the contents
– daisy
Jan 31 '13 at 2:06
What's your
id command in current shell when you get whoami?.– PersianGulf
Jan 31 '13 at 3:16
What's your
id command in current shell when you get whoami?.– PersianGulf
Jan 31 '13 at 3:16
7
7
(1) Which linux distribution? (2) What is output of
pwck and grpck? (3) Does file /etc/shadow exist?– John Siu
Jan 31 '13 at 4:34
(1) Which linux distribution? (2) What is output of
pwck and grpck? (3) Does file /etc/shadow exist?– John Siu
Jan 31 '13 at 4:34
5
5
Also, have you set up (or attempted to) directory services of some sort (LDAP, NIS, etc.)? Have you touched
/etc/nsswitch.conf?– derobert
Jan 31 '13 at 17:09
Also, have you set up (or attempted to) directory services of some sort (LDAP, NIS, etc.)? Have you touched
/etc/nsswitch.conf?– derobert
Jan 31 '13 at 17:09
1
1
I'm thinking
nsswitch.conf as derobert mentioned. But I have seen nscd cause weird crap like this before. If it's running, try stopping it. If it is not running, try starting it (though the starting it if it's not running thing was an old RHEL bug that should not around any more).– Patrick
Feb 1 '13 at 3:35
I'm thinking
nsswitch.conf as derobert mentioned. But I have seen nscd cause weird crap like this before. If it's running, try stopping it. If it is not running, try starting it (though the starting it if it's not running thing was an old RHEL bug that should not around any more).– Patrick
Feb 1 '13 at 3:35
|
show 2 more comments
5 Answers
5
active
oldest
votes
Notice there is a missing x
This is the content of mine on Linux Mint with kernel 3.8.0-35-generic
root:x:0:0:root:/root:/bin/zsh
The x means that the actual password information is being stored in a separate shadow password file, tipically /etc/shadow
https://en.wikipedia.org/wiki/Passwd
answered Feb 11 '14 at 1:27
Jaime AgudoJaime Agudo
26626
add a comment |
I would recommend checking the permissions on /etc/passwd and /etc/group. If they're not set to 644 (-rw-r--r--), then run:
chmod 644 /etc/passwd; chmod 644 /etc/group
answered Jan 31 '13 at 21:49
NateNate
57069
still says cannot find name for user id 0
– gabemai
Jan 31 '13 at 22:28
add a comment |
just say my experience
0. problem
on broken device:
cat /etc/passwd
root:x:0:0:root:/root:/bin/bash
and
whoami
whoami: cannot find name for user ID 0
on normal device:
whoami
root
1. research
try to find the reason:
strace whoami 2>&1 | grep -E '/etc|/lib'
...
open("/lib/arm-linux-gnueabi/libnss_compat.so.2", O_RDONLY) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/arm-linux-gnueabi/libnsl.so.1", O_RDONLY) = 3
open("/etc/ld.so.cache", O_RDONLY) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/arm-linux-gnueabi/libnss_nis.so.2", O_RDONLY) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/arm-linux-gnueabi/libnss_files.so.2", O_RDONLY) = 3
open("/etc/passwd", O_RDONLY|O_CLOEXEC) = 3
fount it need those *.so:
/lib/arm-linux-gnueabi/libnss_compat.so.2
/lib/arm-linux-gnueabi/libnsl.so.1
/lib/arm-linux-gnueabi/libnss_nis.so.2
/lib/arm-linux-gnueabi/libnss_files.so.2
//all come from libc6 package, i work with arm linux device.
2. resolution
i copy them to the broken device, then whoami worked right,
and bash prompt I have no name!@localhost fixed.
answered Nov 1 '17 at 17:28
yurenchenyurenchen
1536
add a comment |
Check that each and every line in /etc/passwd has exactly seven fields.
answered Feb 11 '14 at 8:56
FlupFlup
6,10912244
add a comment |
I know it's right on time, but the reason could be coreutils compiled without ACL support. Check it and rebuild the package if needed
answered Jan 4 '16 at 20:45
Alexander ZhakAlexander Zhak
1084
add a comment |
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5 Answers
5
active
oldest
votes
5 Answers
5
active
oldest
votes
active
oldest
votes
active
oldest
votes
Notice there is a missing x
This is the content of mine on Linux Mint with kernel 3.8.0-35-generic
root:x:0:0:root:/root:/bin/zsh
The x means that the actual password information is being stored in a separate shadow password file, tipically /etc/shadow
https://en.wikipedia.org/wiki/Passwd
answered Feb 11 '14 at 1:27
Jaime AgudoJaime Agudo
26626
add a comment |
Notice there is a missing x
This is the content of mine on Linux Mint with kernel 3.8.0-35-generic
root:x:0:0:root:/root:/bin/zsh
The x means that the actual password information is being stored in a separate shadow password file, tipically /etc/shadow
https://en.wikipedia.org/wiki/Passwd
answered Feb 11 '14 at 1:27
Jaime AgudoJaime Agudo
26626
add a comment |
Notice there is a missing x
This is the content of mine on Linux Mint with kernel 3.8.0-35-generic
root:x:0:0:root:/root:/bin/zsh
The x means that the actual password information is being stored in a separate shadow password file, tipically /etc/shadow
https://en.wikipedia.org/wiki/Passwd
answered Feb 11 '14 at 1:27
Jaime AgudoJaime Agudo
26626
Notice there is a missing x
This is the content of mine on Linux Mint with kernel 3.8.0-35-generic
root:x:0:0:root:/root:/bin/zsh
The x means that the actual password information is being stored in a separate shadow password file, tipically /etc/shadow
https://en.wikipedia.org/wiki/Passwd
answered Feb 11 '14 at 1:27
Jaime AgudoJaime Agudo
26626
answered Feb 11 '14 at 1:27
Jaime AgudoJaime Agudo
26626
answered Feb 11 '14 at 1:27
Jaime AgudoJaime Agudo
26626
answered Feb 11 '14 at 1:27
Jaime AgudoJaime Agudo
26626
26626
add a comment |
add a comment |
I would recommend checking the permissions on /etc/passwd and /etc/group. If they're not set to 644 (-rw-r--r--), then run:
chmod 644 /etc/passwd; chmod 644 /etc/group
answered Jan 31 '13 at 21:49
NateNate
57069
still says cannot find name for user id 0
– gabemai
Jan 31 '13 at 22:28
add a comment |
I would recommend checking the permissions on /etc/passwd and /etc/group. If they're not set to 644 (-rw-r--r--), then run:
chmod 644 /etc/passwd; chmod 644 /etc/group
answered Jan 31 '13 at 21:49
NateNate
57069
still says cannot find name for user id 0
– gabemai
Jan 31 '13 at 22:28
add a comment |
I would recommend checking the permissions on /etc/passwd and /etc/group. If they're not set to 644 (-rw-r--r--), then run:
chmod 644 /etc/passwd; chmod 644 /etc/group
answered Jan 31 '13 at 21:49
NateNate
57069
I would recommend checking the permissions on /etc/passwd and /etc/group. If they're not set to 644 (-rw-r--r--), then run:
chmod 644 /etc/passwd; chmod 644 /etc/group
answered Jan 31 '13 at 21:49
NateNate
57069
answered Jan 31 '13 at 21:49
NateNate
57069
answered Jan 31 '13 at 21:49
NateNate
57069
answered Jan 31 '13 at 21:49
NateNate
57069
57069
still says cannot find name for user id 0
– gabemai
Jan 31 '13 at 22:28
add a comment |
still says cannot find name for user id 0
– gabemai
Jan 31 '13 at 22:28
still says cannot find name for user id 0
– gabemai
Jan 31 '13 at 22:28
still says cannot find name for user id 0
– gabemai
Jan 31 '13 at 22:28
add a comment |
just say my experience
0. problem
on broken device:
cat /etc/passwd
root:x:0:0:root:/root:/bin/bash
and
whoami
whoami: cannot find name for user ID 0
on normal device:
whoami
root
1. research
try to find the reason:
strace whoami 2>&1 | grep -E '/etc|/lib'
...
open("/lib/arm-linux-gnueabi/libnss_compat.so.2", O_RDONLY) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/arm-linux-gnueabi/libnsl.so.1", O_RDONLY) = 3
open("/etc/ld.so.cache", O_RDONLY) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/arm-linux-gnueabi/libnss_nis.so.2", O_RDONLY) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/arm-linux-gnueabi/libnss_files.so.2", O_RDONLY) = 3
open("/etc/passwd", O_RDONLY|O_CLOEXEC) = 3
fount it need those *.so:
/lib/arm-linux-gnueabi/libnss_compat.so.2
/lib/arm-linux-gnueabi/libnsl.so.1
/lib/arm-linux-gnueabi/libnss_nis.so.2
/lib/arm-linux-gnueabi/libnss_files.so.2
//all come from libc6 package, i work with arm linux device.
2. resolution
i copy them to the broken device, then whoami worked right,
and bash prompt I have no name!@localhost fixed.
answered Nov 1 '17 at 17:28
yurenchenyurenchen
1536
add a comment |
just say my experience
0. problem
on broken device:
cat /etc/passwd
root:x:0:0:root:/root:/bin/bash
and
whoami
whoami: cannot find name for user ID 0
on normal device:
whoami
root
1. research
try to find the reason:
strace whoami 2>&1 | grep -E '/etc|/lib'
...
open("/lib/arm-linux-gnueabi/libnss_compat.so.2", O_RDONLY) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/arm-linux-gnueabi/libnsl.so.1", O_RDONLY) = 3
open("/etc/ld.so.cache", O_RDONLY) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/arm-linux-gnueabi/libnss_nis.so.2", O_RDONLY) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/arm-linux-gnueabi/libnss_files.so.2", O_RDONLY) = 3
open("/etc/passwd", O_RDONLY|O_CLOEXEC) = 3
fount it need those *.so:
/lib/arm-linux-gnueabi/libnss_compat.so.2
/lib/arm-linux-gnueabi/libnsl.so.1
/lib/arm-linux-gnueabi/libnss_nis.so.2
/lib/arm-linux-gnueabi/libnss_files.so.2
//all come from libc6 package, i work with arm linux device.
2. resolution
i copy them to the broken device, then whoami worked right,
and bash prompt I have no name!@localhost fixed.
answered Nov 1 '17 at 17:28
yurenchenyurenchen
1536
add a comment |
just say my experience
0. problem
on broken device:
cat /etc/passwd
root:x:0:0:root:/root:/bin/bash
and
whoami
whoami: cannot find name for user ID 0
on normal device:
whoami
root
1. research
try to find the reason:
strace whoami 2>&1 | grep -E '/etc|/lib'
...
open("/lib/arm-linux-gnueabi/libnss_compat.so.2", O_RDONLY) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/arm-linux-gnueabi/libnsl.so.1", O_RDONLY) = 3
open("/etc/ld.so.cache", O_RDONLY) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/arm-linux-gnueabi/libnss_nis.so.2", O_RDONLY) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/arm-linux-gnueabi/libnss_files.so.2", O_RDONLY) = 3
open("/etc/passwd", O_RDONLY|O_CLOEXEC) = 3
fount it need those *.so:
/lib/arm-linux-gnueabi/libnss_compat.so.2
/lib/arm-linux-gnueabi/libnsl.so.1
/lib/arm-linux-gnueabi/libnss_nis.so.2
/lib/arm-linux-gnueabi/libnss_files.so.2
//all come from libc6 package, i work with arm linux device.
2. resolution
i copy them to the broken device, then whoami worked right,
and bash prompt I have no name!@localhost fixed.
answered Nov 1 '17 at 17:28
yurenchenyurenchen
1536
just say my experience
0. problem
on broken device:
cat /etc/passwd
root:x:0:0:root:/root:/bin/bash
and
whoami
whoami: cannot find name for user ID 0
on normal device:
whoami
root
1. research
try to find the reason:
strace whoami 2>&1 | grep -E '/etc|/lib'
...
open("/lib/arm-linux-gnueabi/libnss_compat.so.2", O_RDONLY) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/arm-linux-gnueabi/libnsl.so.1", O_RDONLY) = 3
open("/etc/ld.so.cache", O_RDONLY) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/arm-linux-gnueabi/libnss_nis.so.2", O_RDONLY) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/arm-linux-gnueabi/libnss_files.so.2", O_RDONLY) = 3
open("/etc/passwd", O_RDONLY|O_CLOEXEC) = 3
fount it need those *.so:
/lib/arm-linux-gnueabi/libnss_compat.so.2
/lib/arm-linux-gnueabi/libnsl.so.1
/lib/arm-linux-gnueabi/libnss_nis.so.2
/lib/arm-linux-gnueabi/libnss_files.so.2
//all come from libc6 package, i work with arm linux device.
2. resolution
i copy them to the broken device, then whoami worked right,
and bash prompt I have no name!@localhost fixed.
answered Nov 1 '17 at 17:28
yurenchenyurenchen
1536
edited Nov 4 '17 at 7:45
answered Nov 1 '17 at 17:28
yurenchenyurenchen
1536
answered Nov 1 '17 at 17:28
yurenchenyurenchen
1536
answered Nov 1 '17 at 17:28
yurenchenyurenchen
1536
1536
add a comment |
add a comment |
Check that each and every line in /etc/passwd has exactly seven fields.
answered Feb 11 '14 at 8:56
FlupFlup
6,10912244
add a comment |
Check that each and every line in /etc/passwd has exactly seven fields.
answered Feb 11 '14 at 8:56
FlupFlup
6,10912244
add a comment |
Check that each and every line in /etc/passwd has exactly seven fields.
answered Feb 11 '14 at 8:56
FlupFlup
6,10912244
Check that each and every line in /etc/passwd has exactly seven fields.
answered Feb 11 '14 at 8:56
FlupFlup
6,10912244
answered Feb 11 '14 at 8:56
FlupFlup
6,10912244
answered Feb 11 '14 at 8:56
FlupFlup
6,10912244
answered Feb 11 '14 at 8:56
FlupFlup
6,10912244
6,10912244
add a comment |
add a comment |
I know it's right on time, but the reason could be coreutils compiled without ACL support. Check it and rebuild the package if needed
answered Jan 4 '16 at 20:45
Alexander ZhakAlexander Zhak
1084
add a comment |
I know it's right on time, but the reason could be coreutils compiled without ACL support. Check it and rebuild the package if needed
answered Jan 4 '16 at 20:45
Alexander ZhakAlexander Zhak
1084
add a comment |
I know it's right on time, but the reason could be coreutils compiled without ACL support. Check it and rebuild the package if needed
answered Jan 4 '16 at 20:45
Alexander ZhakAlexander Zhak
1084
I know it's right on time, but the reason could be coreutils compiled without ACL support. Check it and rebuild the package if needed
answered Jan 4 '16 at 20:45
Alexander ZhakAlexander Zhak
1084
answered Jan 4 '16 at 20:45
Alexander ZhakAlexander Zhak
1084
answered Jan 4 '16 at 20:45
Alexander ZhakAlexander Zhak
1084
answered Jan 4 '16 at 20:45
Alexander ZhakAlexander Zhak
1084
1084
add a comment |
add a comment |
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Your /etc/passwd is broken? Can you post the contents
– daisy
Jan 31 '13 at 2:06
What's your
id commandincurrent shellwhen you get whoami?.– PersianGulf
Jan 31 '13 at 3:16
7
(1) Which linux distribution? (2) What is output of
pwckandgrpck? (3) Does file/etc/shadowexist?– John Siu
Jan 31 '13 at 4:34
5
Also, have you set up (or attempted to) directory services of some sort (LDAP, NIS, etc.)? Have you touched
/etc/nsswitch.conf?– derobert
Jan 31 '13 at 17:09
1
I'm thinking
nsswitch.confas derobert mentioned. But I have seennscdcause weird crap like this before. If it's running, try stopping it. If it is not running, try starting it (though the starting it if it's not running thing was an old RHEL bug that should not around any more).– Patrick
Feb 1 '13 at 3:35