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| Solaris The Solaris Operating System, usually known simply as Solaris, is a Unix-based operating system introduced by Sun Microsystems. The Solaris OS is now owned by Oracle. |
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#1
10-14-2011
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Cannot change the permission of /etc/dfs/sharetab
I am using a Solaris 5.10 with patch level 10/08. Here /etc/dfs/sharetab is listed as a file system with "df -k" as below: Code:
#df -k /etc/dfs/sharetab Filesystem kbytes used avail capacity Mounted on sharefs 0 0 0 0% /etc/dfs/sharetab What is "sharefs"? This is not present in my other Solaris machines. I have logged in as root user. But I am not able to change the permission of /etc/dfs/sharetab file with chmod. It gives an error as "chmod: WARNING: can't change /etc/dfs/sharetab". Please let me know what should be done to change the permission of this file. Last edited by varunla; 10-14-2011 at 08:45 AM.. |
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#2
10-14-2011
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It seems that your Solaris machine is exposing the file /etc/dfs/sharetab this file determines which directories will be NFS-shared at boot time. Each line is a share command.
Sharefs is a file system like proc file system. In Solaris 10, there is a new filesystem called sharefs. |
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varunla (10-18-2011) | ||
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#4
10-14-2011
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Thanks a lot for your reply. Do you mean I cannot change the permission of this in-memory file? If yes, why not?
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#6
10-15-2011
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Permissions of this file can't be changed as the sharefs pseudo file system is read-only by design.
If you want to (indirectly) modify the content of this file, simply use one of the share, sharemgr, sharectl or zfs commands. |
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varunla (10-17-2011) | ||
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#7
10-17-2011
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The permissions on the file is 444. I want to remove read permission to group and others. I could change the permission of this file in the ealier patch levels of Solaris 10. I am facing this problem with patch level 10/08.
Could you please tell me, if this was introduced in the recent patch levels? If yes, why? |
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