#12427 NORM Future : ping only works as root

Zarro Boogs per Child bugtracker at laptop.org
Sun Dec 30 20:27:36 EST 2012

#12427: ping only works as root
           Reporter:  godiard   |       Owner:                
               Type:  defect    |      Status:  new           
           Priority:  normal    |   Milestone:  Future Release
          Component:  distro    |     Version:  not specified 
         Resolution:            |    Keywords:  regression    
        Next_action:  diagnose  |    Verified:  0             
Deployment_affected:            |   Blockedby:                
           Blocking:            |  

Comment(by greenfeld):

 There likely is a reasonably straightforward solution (*), but not one we
 may be willing to take on this date.

 We just need to tell tar, rsync, and cp in our build & upgrade scripts to
 preserve extended attributes.  Our kernel/filesystem configs (at least on
 XO-1 & 1.5) seem to already have the necessary support in place.

 For example, tar has the --acls, --selinux, and --xattrs flags, and rsync
 has --acls & --xattrs.

 This presumes the OS preparing & rsync-serving servers are also configured
 in Linux to support these flags.  Unfortunately requesting preservation
 and/or restoration of extended attributes on filesystems/OS's which do not
 support them tends just to lead to warnings.

 (*) Besides adding "/usr/sbin/setcap cap_net_raw=p /bin/ping" to olpc-
 configure; that would work too.

Ticket URL: <http://dev.laptop.org/ticket/12427#comment:7>
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