Re: [Libguestfs] Does anybody know how to use the getxattr/setxattr commmands in guestfish?

On Thu, Apr 08, 2010 at 09:01:31AM +0100, Richard W.M. Jones wrote: > On Thu, Apr 08, 2010 at 09:49:26AM +0800, Pengzhen Cao wrote: > >> Hi All, >> >> Does anybody know how to use the getxattr/setxattr commands in guestfish? >> It seems not working for ext2/3 filesystem. I did not find the >> corresponding commands in bash either. >> So is it for xfs only? >> > Not just for xfs, this should work for ext2/3 as well. > > The problem is you cannot just create any xattr. The kernel will only > recognize certain xattrs on files, so it's probably best to read the > attr(5) manual page first. > In particular in order to set user.* attributes, you have to mount the filesystem with the user_xattr option. The example guestfish script below shows how to do it. $ /tmp/test.fish Extended attributes before setting Extended attributes after setting [0] = { attrname: user.test attrval: hello } Rich.