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02-15-2008, 05:18 PM
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 unix permissions I know a user can belong to more than 1 group by adding him to a list in /etc/group, but a Client of mine has users set up in 2 groups. We wants one of the groups to have rwx permissions, but the second only gets read. Is there a way to assign multiple groups to a directory? I thought I could use a symbolic link and give it a different group, but it wouldn't let me!      |
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02-15-2008, 05:19 PM
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| Re: unix permissions In article <xOnPe.773$Ld.318972@news20.bellglobal.com>, Ron Kirschner <ron@jedron.com> wrote: >I know a user can belong to more than 1 group by adding him to >a list in /etc/group, but a Client of mine has users set up in >2 groups. We wants one of the groups to have rwx permissions, >but the second only gets read. Is there a way to assign multiple >groups to a directory? I thought I could use a symbolic link and >give it a different group, but it wouldn't let me! That's normal. But for the second group you are going to have to set the group owner to the first group, and the second group can access that directory in read only mode by setting the 'other' flags If 'appl' owned the director, and you had group1 and group2 then the permissions would be 775 with the file group ownership being group2. Then for a file you wished group1 to have only read access to and group2 to have read write access change the mode to 757. Bill -- Bill Vermillion - bv @ wjv . com |
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02-15-2008, 05:19 PM
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| Re: unix permissions what do you mean by 'set the group owner to the 1st group' - also setting the other flags applies to ALL other users, not just the users in the 2nd group?? "Bill Vermillion" <bv@wjv.com> wrote in message news:ILsnJE.Es@wjv.com... > In article <xOnPe.773$Ld.318972@news20.bellglobal.com>, Ron > Kirschner <ron@jedron.com> wrote: > >>I know a user can belong to more than 1 group by adding him to >>a list in /etc/group, but a Client of mine has users set up in >>2 groups. We wants one of the groups to have rwx permissions, >>but the second only gets read. Is there a way to assign multiple >>groups to a directory? I thought I could use a symbolic link and >>give it a different group, but it wouldn't let me! > > That's normal. But for the second group you are going to have to > set the group owner to the first group, and the second group can > access that directory in read only mode by setting the 'other' > flags > > If 'appl' owned the director, and you had group1 and group2 > then the permissions would be 775 with the file group ownership > being group2. > > Then for a file you wished group1 to have only read access to > and group2 to have read write access change the mode to 757. > > Bill > > -- > Bill Vermillion - bv @ wjv . com |
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02-15-2008, 05:19 PM
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| Re: unix permissions In article <zSpPe.856$Ld.328062@news20.bellglobal.com>, Ron Kirschner <ron@jedron.com> wrote: >what do you mean by 'set the group owner to the 1st group' - also setting >the other flags applies to ALL other users, not just the users in the 2nd >group?? I replied to you in email, as I took the email to be just that - email. You may post my email reply to you so others may see it. Please don't email and post. Bill > >"Bill Vermillion" <bv@wjv.com> wrote in message news:ILsnJE.Es@wjv.com... >> In article <xOnPe.773$Ld.318972@news20.bellglobal.com>, Ron >> Kirschner <ron@jedron.com> wrote: >> >>>I know a user can belong to more than 1 group by adding him to >>>a list in /etc/group, but a Client of mine has users set up in >>>2 groups. We wants one of the groups to have rwx permissions, >>>but the second only gets read. Is there a way to assign multiple >>>groups to a directory? I thought I could use a symbolic link and >>>give it a different group, but it wouldn't let me! >> >> That's normal. But for the second group you are going to have to >> set the group owner to the first group, and the second group can >> access that directory in read only mode by setting the 'other' >> flags >> >> If 'appl' owned the director, and you had group1 and group2 >> then the permissions would be 775 with the file group ownership >> being group2. >> >> Then for a file you wished group1 to have only read access to >> and group2 to have read write access change the mode to 757. >> >> Bill >> >> -- >> Bill Vermillion - bv @ wjv . com > > -- Bill Vermillion - bv @ wjv . com |
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02-15-2008, 05:19 PM
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| Re: unix permissions Ron Kirschner wrote: > I know a user can belong to more than 1 group by adding him to a list in > /etc/group, but a Client of mine has users set up in 2 groups. We wants one > of the groups to have rwx permissions, but the second only gets read. Is > there a way to assign multiple groups to a directory? I thought I could use > a symbolic link and give it a different group, but it wouldn't let me! > Depends. If the OS supports extended permissions (acl's), then yes, you may be able to set that kind of access restriction. I have yet to even look at OpenServer 6, so I don't know if that sort of thing has been added. See http://aplawrence.com/Basics/perms.html -- Tony Lawrence Unix/Linux/Mac OS X resources: http://aplawrence.com Geek Yard Sale: http://geekyardsale.com |
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02-15-2008, 05:19 PM
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| Re: unix permissions Tony Lawrence wrote: > Ron Kirschner wrote: > >> I know a user can belong to more than 1 group by adding him to a list >> in /etc/group, but a Client of mine has users set up in 2 groups. We >> wants one of the groups to have rwx permissions, but the second only >> gets read. Is there a way to assign multiple groups to a directory? >> I thought I could use a symbolic link and give it a different group, >> but it wouldn't let me! >> > > Depends. If the OS supports extended permissions (acl's), then yes, you > may be able to set that kind of access restriction. I have yet to even > look at OpenServer 6, so I don't know if that sort of thing has been added. > > See http://aplawrence.com/Basics/perms.html > > > Os 6 does have acl's: http://osr600doc.sco.com/en/SEC_admin/ssC.dac.acls.html -- Tony Lawrence Unix/Linux/Mac OS X resources: http://aplawrence.com Geek Yard Sale: http://geekyardsale.com |
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02-15-2008, 05:19 PM
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| Re: unix permissions Tony Lawrence wrote: > Tony Lawrence wrote: > > Ron Kirschner wrote: > > > >> I know a user can belong to more than 1 group by adding him to a list > >> in /etc/group, but a Client of mine has users set up in 2 groups. We > >> wants one of the groups to have rwx permissions, but the second only > >> gets read. Is there a way to assign multiple groups to a directory? > >> I thought I could use a symbolic link and give it a different group, > >> but it wouldn't let me! > >> > > > > Depends. If the OS supports extended permissions (acl's), then yes, you > > may be able to set that kind of access restriction. I have yet to even > > look at OpenServer 6, so I don't know if that sort of thing has been added. > > > > See http://aplawrence.com/Basics/perms.html > > > > > > > > Os 6 does have acl's: > http://osr600doc.sco.com/en/SEC_admin/ssC.dac.acls.html When I attempt to use setacl on a file on a vxfs file system, I get the error "UX: setacl: ERROR: system service not installed". |
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02-15-2008, 05:19 PM
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| Re: unix permissions Tony Lawrence schrieb: > Tony Lawrence wrote: > >> Ron Kirschner wrote: >> >>> I know a user can belong to more than 1 group by adding him to a list >>> in /etc/group, but a Client of mine has users set up in 2 groups. We >>> wants one of the groups to have rwx permissions, but the second only >>> gets read. Is there a way to assign multiple groups to a directory? >>> I thought I could use a symbolic link and give it a different group, >>> but it wouldn't let me! >>> >> >> Depends. If the OS supports extended permissions (acl's), then yes, >> you may be able to set that kind of access restriction. I have yet to >> even look at OpenServer 6, so I don't know if that sort of thing has >> been added. >> >> See http://aplawrence.com/Basics/perms.html >> >> >> > > Os 6 does have acl's: > http://osr600doc.sco.com/en/SEC_admin/ssC.dac.acls.html > it should be available with osr6 MP1 Andreas Kohl |
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02-15-2008, 05:19 PM
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| Re: unix permissions Andreas Kohl wrote: > Tony Lawrence schrieb: > > Tony Lawrence wrote: > > > >> Ron Kirschner wrote: > >> > >>> I know a user can belong to more than 1 group by adding him to a list > >>> in /etc/group, but a Client of mine has users set up in 2 groups. We > >>> wants one of the groups to have rwx permissions, but the second only > >>> gets read. Is there a way to assign multiple groups to a directory? > >>> I thought I could use a symbolic link and give it a different group, > >>> but it wouldn't let me! > >>> > >> > >> Depends. If the OS supports extended permissions (acl's), then yes, > >> you may be able to set that kind of access restriction. I have yet to > >> even look at OpenServer 6, so I don't know if that sort of thing has > >> been added. > >> > >> See http://aplawrence.com/Basics/perms.html > >> > >> > >> > > > > Os 6 does have acl's: > > http://osr600doc.sco.com/en/SEC_admin/ssC.dac.acls.html > > > it should be available with osr6 MP1 MP1 is installed and it's not available here. |
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