From: ShaoHe Feng <shaohef(a)linux.vnet.ibm.com&gt; an instance just refresh packagekit once. for example: $ sudo PYTHONPATH=src python -c ' > from yum import YumBase > YumBase().doPackageLists("updates") > _yb = YumBase() > _yb.doPackageLists("updates") > _yb.doPackageLists("updates") > ' Loaded plugins: langpacks, refresh-packagekit Loaded plugins: langpacks, refresh-packagekit you can seen the second _yb.doPackageLists will not refresh packagekit. The apt manager may also has the same problem. But not test it on ubuntu, will send a patch later after I have check. Signed-off-by: Aline Manera <alinefm(a)br.ibm.com&gt; Signed-off-by: ShaoHe Feng <shaohef(a)linux.vnet.ibm.com&gt; --- src/kimchi/swupdate.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/kimchi/swupdate.py b/src/kimchi/swupdate.py index 45f7920..3238e44 100644 --- a/src/kimchi/swupdate.py +++ b/src/kimchi/swupdate.py @@ -137,13 +137,13 @@ class YumUpdate(object): """ def __init__(self): self._pkgs = {} - self._yb = getattr(__import__('yum'), 'YumBase')() self.update_cmd = ["yum", "-y", "update"] def _refreshUpdateList(self): """ Update the list of packages to be updated in the system. """ + self._yb = getattr(__import__('yum'), 'YumBase')() self._pkgs = self._yb.doPackageLists('updates') def getPackagesList(self):