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On Tue, Sep 18, 2012 at 9:27 AM, Joseph <syscon780@×××××.com> wrote: |
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> On 09/18/12 15:12, Alex Schuster wrote: |
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>> |
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>> J. Roeleveld writes: |
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>> |
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>>> Joseph <syscon780@×××××.com> wrote: |
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>> |
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>> |
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>>>> ls -l /dev/ttyS0 crw-rw---- 1 root tty 4, 64 Sep 17 20:56 |
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>>>> /dev/ttyS0 |
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>>>> |
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>>>> Is the above correct permission? |
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>> |
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>> |
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>>> Those are default permissions. However those normally won't give a |
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>>> normal user access. You can change the permissions of that |
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>>> file/device to enable your user to have access. |
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>>> |
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>>> I am typing this on my mobile and can't quickly tell you how to do |
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>>> that on a permanent basis. But for a quick change you can use 'chown' |
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>>> to change the owner to your own user. |
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>> |
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>> |
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>> What about 'gpasswd -a <user> tty' to add the tty group to the user? |
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>> Needs a re-login to make use of the changes. |
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>> |
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>> Wonko |
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> |
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> |
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> Yes, I'm tty group: |
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> tty lp wheel mail cron audio cdrom postgres cdrw usb users scanner vboxusers |
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> |
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> in addition I have try to change the permission to: |
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> chmod 0666 /dev/ttyS0 |
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> |
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> but it makes no difference, when starting virtualbox xp I'm still getting |
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> the error: |
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> NamedPipe#0 failed to connect to local socket /dev/ttyS0 |
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> (VERR_NET_CONNECTION_REFUSED). |
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|
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Sounds like policykit, then. Someone with policykit experience might |
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be able to tell us how to ask the system which privileges are required |
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to access that file, and then how to ask the system to give those |
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privileges to a given user. |
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|
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(Not knowing much about policykit, but knowing some of what it's |
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capable of, this would be something I'd like to hear.) |
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-- |
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:wq |
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