Real users (users with a valid login shell)
Clash Royale CLAN TAG#URR8PPP
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How can I print the real users(in a script if possible)? I know that the real users have a valid login shell and i know that the valid login shell can be found in /etc/shells. But I don't know how to take the users (from /etc/passwd) that have the respective shell.
shell-script
asked Nov 22 at 16:43
A.C.JKH
61
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up vote
1
down vote
favorite
How can I print the real users(in a script if possible)? I know that the real users have a valid login shell and i know that the valid login shell can be found in /etc/shells. But I don't know how to take the users (from /etc/passwd) that have the respective shell.
shell-script
asked Nov 22 at 16:43
A.C.JKH
61
Is this an isolated system or do you need to consider users in LDAP, NIS, Active Directory, etc.?
– roaima
Nov 22 at 18:09
It's an isolated system
– A.C.JKH
Nov 22 at 18:13
grep -F "$(grep -v '^#' /etc/shells)" /etc/passwd
– mosvy
Nov 22 at 19:44
add a comment |
up vote
1
down vote
favorite
up vote
1
down vote
favorite
How can I print the real users(in a script if possible)? I know that the real users have a valid login shell and i know that the valid login shell can be found in /etc/shells. But I don't know how to take the users (from /etc/passwd) that have the respective shell.
shell-script
asked Nov 22 at 16:43
A.C.JKH
61
How can I print the real users(in a script if possible)? I know that the real users have a valid login shell and i know that the valid login shell can be found in /etc/shells. But I don't know how to take the users (from /etc/passwd) that have the respective shell.
shell-script
shell-script
asked Nov 22 at 16:43
A.C.JKH
61
asked Nov 22 at 16:43
A.C.JKH
61
asked Nov 22 at 16:43
A.C.JKH
61
asked Nov 22 at 16:43
A.C.JKH
61
asked Nov 22 at 16:43
A.C.JKH
61
61
Is this an isolated system or do you need to consider users in LDAP, NIS, Active Directory, etc.?
– roaima
Nov 22 at 18:09
It's an isolated system
– A.C.JKH
Nov 22 at 18:13
grep -F "$(grep -v '^#' /etc/shells)" /etc/passwd
– mosvy
Nov 22 at 19:44
add a comment |
Is this an isolated system or do you need to consider users in LDAP, NIS, Active Directory, etc.?
– roaima
Nov 22 at 18:09
It's an isolated system
– A.C.JKH
Nov 22 at 18:13
grep -F "$(grep -v '^#' /etc/shells)" /etc/passwd
– mosvy
Nov 22 at 19:44
Is this an isolated system or do you need to consider users in LDAP, NIS, Active Directory, etc.?
– roaima
Nov 22 at 18:09
Is this an isolated system or do you need to consider users in LDAP, NIS, Active Directory, etc.?
– roaima
Nov 22 at 18:09
It's an isolated system
– A.C.JKH
Nov 22 at 18:13
It's an isolated system
– A.C.JKH
Nov 22 at 18:13
grep -F "$(grep -v '^#' /etc/shells)" /etc/passwd– mosvy
Nov 22 at 19:44
grep -F "$(grep -v '^#' /etc/shells)" /etc/passwd– mosvy
Nov 22 at 19:44
add a comment |
1 Answer
1
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up vote
0
down vote
awk -F: 'NR == FNR shells[$0]; next $NF in shells' /etc/shells,passwd
or, grep but it's less precise
grep -Ff /etc/shells /etc/passwd
answered Nov 22 at 19:07
glenn jackman
49.5k469106
add a comment |
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
0
down vote
awk -F: 'NR == FNR shells[$0]; next $NF in shells' /etc/shells,passwd
or, grep but it's less precise
grep -Ff /etc/shells /etc/passwd
answered Nov 22 at 19:07
glenn jackman
49.5k469106
add a comment |
up vote
0
down vote
awk -F: 'NR == FNR shells[$0]; next $NF in shells' /etc/shells,passwd
or, grep but it's less precise
grep -Ff /etc/shells /etc/passwd
answered Nov 22 at 19:07
glenn jackman
49.5k469106
add a comment |
up vote
0
down vote
up vote
0
down vote
awk -F: 'NR == FNR shells[$0]; next $NF in shells' /etc/shells,passwd
or, grep but it's less precise
grep -Ff /etc/shells /etc/passwd
answered Nov 22 at 19:07
glenn jackman
49.5k469106
awk -F: 'NR == FNR shells[$0]; next $NF in shells' /etc/shells,passwd
or, grep but it's less precise
grep -Ff /etc/shells /etc/passwd
answered Nov 22 at 19:07
glenn jackman
49.5k469106
answered Nov 22 at 19:07
glenn jackman
49.5k469106
answered Nov 22 at 19:07
glenn jackman
49.5k469106
answered Nov 22 at 19:07
glenn jackman
49.5k469106
49.5k469106
add a comment |
add a comment |
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Is this an isolated system or do you need to consider users in LDAP, NIS, Active Directory, etc.?
– roaima
Nov 22 at 18:09
It's an isolated system
– A.C.JKH
Nov 22 at 18:13
grep -F "$(grep -v '^#' /etc/shells)" /etc/passwd– mosvy
Nov 22 at 19:44