diff --git a/pym/cl_fill.py b/pym/cl_fill.py
index 9068caf..68cf24d 100644
--- a/pym/cl_fill.py
+++ b/pym/cl_fill.py
@@ -558,19 +558,7 @@ class fillVars(varsShare):
 
     def get_cl_kernel_uid(self):
         """Get UID of symlink kernel, initramfs and System.map"""
-        uuidpath = '/dev/disk/by-uuid'
-        if not os.access(uuidpath,os.R_OK):
-            return ""
-        uuidDevs = filter(path.islink,map(lambda x: path.join(uuidpath,x),
-                                          os.listdir(uuidpath)))
-        mapDevUuid = dict(map(lambda x:(path.normpath(path.join(uuidpath,
-                                                      os.readlink(x))),
-                                        path.basename(x)),
-                          uuidDevs))
-        if self.Get('os_root_dev') in mapDevUuid:
-            return mapDevUuid[self.Get('os_root_dev')][:8]
-        else:
-            return ""
+        return self.getKernelUid(self.Get('os_root_dev'))
 
     def get_cl_chroot_status(self):
         """Detect chroot mode by mtab content"""
diff --git a/pym/cl_utils.py b/pym/cl_utils.py
index 0d72762..7d2e281 100644
--- a/pym/cl_utils.py
+++ b/pym/cl_utils.py
@@ -221,7 +221,10 @@ class process:
             else:
                 stdin=kwarg["stdin"].getStdout
         self.stdout = kwarg.get("stdout",PIPE)
-        self.envdict = kwarg.get("envdict",None)
+        self.envdict = kwarg.get("envdict",{})
+        if "lang" in kwarg:
+            self.envdict["LANG"] = kwarg.get('lang')
+        self.langc = "langc" in kwarg
 
         self.stderr = kwarg.get("stderr",PIPE)
         self.command = [command] + list(params)
@@ -364,7 +367,7 @@ class processProgress(process):
         pass
 
 def runOsCommand(cmd,in_str=None, env_dict=None):
-    """Выполняет внешнюю программу
+    """Run system command
 
     Параметры:
     cmd            внешняя программа
@@ -392,30 +395,17 @@ def runOsCommand(cmd,in_str=None, env_dict=None):
     return retcode, res
 
 def genpassword(passlen=9):
-    '''Вернуть случайный набор символов указанной длины
-
-    Параметры:
-    passlen     длина пароля который нужно сгенерировать
-
-    Возвращаемые параметры:
-    Сгенерированный пароль указанной длины
-    '''
-    res=''.join([choice(string.ascii_letters+string.digits)\
-        for i in xrange(passlen)])
-    return res
+    """Return random charset specified lenght (passlen)"""
+    return ''.join(map(lambda x:choice(string.ascii_letters+string.digits),
+                   xrange(0,passlen)))
 
 def getpathenv():
-    """Вернуть пути для запуска утилит"""
-    bindir=['/sbin','/bin','/usr/sbin','/usr/bin']
+    """Return path for run utilities"""
+    bindir=set(filter(path.exists,
+               ['/sbin','/bin','/usr/sbin','/usr/bin']))
     env=os.environ
-    if env and env.has_key('PATH'):
-        lpath=env['PATH'].split(":")
-        npath=[]
-        for dirname in bindir:
-            if path.exists(dirname) and dirname not in lpath:
-                npath.append(dirname)
-        lpath=npath+lpath
-        return ":".join(lpath)
+    envPath = set(env.get('PATH','').split(":")) | bindir
+    return ":".join(envPath)
 
 class MultiReplace:
     """MultiReplace function object
@@ -627,7 +617,6 @@ def isFstabMount(pathname,mapDevUuid={},listFstab=[]):
         absPath = "swap"
     else:
         absPath = path.abspath(pathname)
-    devuuid = '/dev/disk/by-uuid'
     if not mapDevUuid:
         mapDevUuid.update(getUUIDDict())
     # convert fstab to
@@ -844,8 +833,7 @@ def readFile(filename):
             return open(filename,'r').read()
     except (OSError,IOError):
         pass
-    finally:
-        return ""
+    return ""
 
 def getUUIDDict(revers=False):
     """Get dict UUID -> dev"""
@@ -893,7 +881,7 @@ def getProgPath(progname):
         return False
 
 def checkUtils(*utils):
-    """Check utils and exit if it not found"""
+    """Check utils, exit if it not found and return fullpath"""
     retval = []
     for util in utils:
         utilPath = getProgPath(util)
diff --git a/pym/cl_vars_share.py b/pym/cl_vars_share.py
index 71cadd8..29274c5 100644
--- a/pym/cl_vars_share.py
+++ b/pym/cl_vars_share.py
@@ -16,7 +16,7 @@
 
 import os
 import sys
-from cl_utils import getpathenv, runOsCommand, typeFile
+from cl_utils import getpathenv, runOsCommand, typeFile,process
 import re
 from os import path, R_OK
 try:
@@ -528,6 +528,16 @@ class varsShare:
                 if reRes:
                     return reRes[0]
 
+    def selectVar(self,selField,where="",eq=""):
+        """Select value from matrix variables
+
+        Example:
+        selectVar("os_disk_dev",where="os_disk_mount",eq="/")"""
+        res = filter(lambda x:x[1] == eq,
+              zip(self.Get(selField),
+                  self.Get(where))) or [("","")]
+        return res[0][0]
+
     def getVersionFromGentooFiles(self,systemroot):
         """Get version from gentoo files"""
         gentooFile = path.join(systemroot,"etc/gentoo-release")
@@ -607,3 +617,13 @@ class varsShare:
             return defaultDriver[hr_video]
         else:
             return "vesa"
+
+    def getKernelUid(self,device):
+        """Get Kernel UID by UUID of device"""
+        blkidProcess = process('/sbin/blkid','-c','/dev/null','-s','UUID',
+                                '-o','value',device)
+        res = blkidProcess.read().strip()
+        if res:
+            return res[:8]
+        else:
+            return "no_uid"