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padoor
Advocate
Joined: 30 Dec 2005
Posts: 4185
Location: india
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 Posted: Mon Jun 27, 2011 5:04 am Post subject: root cannot open firefox ??? |
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| Code: | localhost ramaswamy # firefox-bin
g_dbus_connection_real_closed: Remote peer vanished with error: Underlying GIOStream returned 0 bytes on an async read (g-io-error-quark, 0). Exiting.
Terminated
localhost ramaswamy #
ramaswamy@localhost ~ $ firefox-bin
Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory
Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory
Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory
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| Code: | ramaswamy@localhost ~ $ firefox
Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory
Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory
Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory
localhost ramaswamy # firefox
g_dbus_connection_real_closed: Remote peer vanished with error: Underlying GIOStream returned 0 bytes on an async read (g-io-error-quark, 0). Exiting.
Terminated
localhost ramaswamy #
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| Code: |
both bin and compiled firefox behave the sameway
what is wrong? |
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audiodef
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Joined: 06 Jul 2005
Posts: 6640
Location: The soundosphere
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Hu
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Joined: 06 Mar 2007
Posts: 21867
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| Posted: Mon Jun 27, 2011 10:02 pm Post subject: |
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Given the extensive attack surface that Firefox represents, I would think that failure to start Firefox as root would constitute a security feature, not a bug. 
Why are you trying to run Firefox as root? |
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Jaglover
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Joined: 29 May 2005
Posts: 8291
Location: Saint Amant, Acadiana
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salahx
Guru
Joined: 12 Mar 2005
Posts: 534
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| Posted: Tue Jun 28, 2011 3:17 am Post subject: |
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Basically this error means B-bus abruptly dropped the connection - it'll do this if there a protocol violation (illegal UTF-8, malformed command, etc). In particular: No one except the user may connect to their session bus - not even root. Try clearing DBUS_SESSION_BUS_ADDRESS with
| Code: | | unset DBUS_SESSION_BUS_ADDRESS |
However as other as said - running Firefox (and especially Flash) as root is about as good idea and sampling the contents of unlabeled medicine bottle to see what each ones does so you can relabel them later.... |
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padoor
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Joined: 30 Dec 2005
Posts: 4185
Location: india
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| Posted: Tue Jun 28, 2011 4:22 am Post subject: |
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i understand the security part of the X vlc etc.
opera runs fine as root.
for managing my usb drive files i need to login as root
command line operation of moving /copying files to and from usb drives is difficult as they have windows files
at the time if i have to look in the email or something i use a browser.
apart from that the user invoked firefox also shows some errors
| Code: | | Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory |
from menu click the firefox icon firefox comes up without fail
as yet no trouble has been found in firefox operations.
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Hu
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Joined: 06 Mar 2007
Posts: 21867
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| Posted: Wed Jun 29, 2011 1:40 am Post subject: |
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| padoor wrote: | | opera runs fine as root. |
Many things run fine as root, but that does not mean you should run them as root!
| padoor wrote: | | for managing my usb drive files i need to login as root |
This is wrong in two senses. First, it is wrong in that there is no need for you to run every single process as root just because you want a root privileged shell to manipulate the USB drive. Second, it is wrong in that you could configure the system not to require root privilege to manipulate the USB drive. |
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salahx
Guru
Joined: 12 Mar 2005
Posts: 534
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| Posted: Wed Jun 29, 2011 3:44 pm Post subject: |
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| The "Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory" is actually from Flash player, not Firefox |
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