AFS

AFS is a distributed networked file system.

Documentation

Useful commands

  • kinit - obtain kerberos ticket
  • fs listacl
  • fs setacl
  • kpasswd

Resources

Global for TOTEM

  • /afs/cern.ch/exp/totem/soft (has daily backup)

Personal

  • ex. /afs/cern.ch/user/l/lgrzanka AFS home directories (backup, quota 50MB)
  • ex. /afs/cern.ch/exp/totem/scratch/hubert (without backup, personal scratch space - not for all users)

Permissions

Examples:

Remove unauthorized access

To protect the directory from eyes of unauthorized users you can always use the command:

fs setacl . -acl system:anyuser none

You can run it for every subdirectory:

find . -type d -exec fs setacl {} -acl system:anyuser none \;

List members of group:

All groups should have prefix cern: . To display members of zj group, type:

pts membership cern:zj

You can setup group ACLs using command:

find . -type d -exec fs setacl {} -acl cern:zj read \;

-- LeszekGrzanka - 14 Aug 2008

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Topic revision: r3 - 2008-08-14 - LeszekGrzanka
 
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