[Galaxy Tab 10.1 Android Development] mistersixt:
Ok, first small issue: I cannot get AdAway adjusting the hosts file, when trying to flash the AdAway systemless package in recovery it fails with error 4 or something (although I don't know whether the systemless is necessary here), and when running the AdAway App itself it fails with:

...
09-30 11:21:15.916 2081 2081 E linker : normalize_path - invalid input: "null", the input path should be absolute
09-30 11:21:15.916 2081 2081 W linker : Warning: unable to normalize "null"
09-30 11:21:15.917 2079 2079 D su : sending code
09-30 11:21:15.950 2083 2083 E linker : normalize_path - invalid input: "null", the input path should be absolute
09-30 11:21:15.950 2083 2083 W linker : Warning: unable to normalize "null"
09-30 11:21:16.014 2082 2082 D su : child exited
09-30 11:21:16.017 2083 2083 D su : client exited 0
09-30 11:21:16.036 2081 2081 D su : starting daemon client 10079 10079
09-30 11:21:16.067 2086 2086 E linker : normalize_path - invalid input: "null", the input path should be absolute
09-30 11:21:16.067 2086 2086 W linker : Warning: unable to normalize "null"
09-30 11:21:16.130 2086 2086 D su : connecting client 2080
09-30 11:21:16.171 2005 2005 D ICU : No timezone override file found: /data/misc/zoneinfo/current/icu/icu_tzdata.dat
09-30 11:21:16.173 2087 2087 D su : remote pid: 2080
09-30 11:21:16.222 2089 2089 D su : remote pts_slave:
09-30 11:21:16.276 2090 2090 D su : remote uid: 10079
09-30 11:21:16.336 2091 2091 D su : remote req pid: 1420
09-30 11:21:16.399 2092 2092 D su : remote args: 1
09-30 11:21:16.466 2096 2096 D su : su invoked.
09-30 11:21:16.486 2094 2094 D su : waiting for child exit
09-30 11:21:16.503 2097 2097 W su : hacks: Testing (com.keramidas.TitaniumBackup:0:10064)
09-30 11:21:16.552 2098 2098 D su : db allowed
09-30 11:21:16.617 2099 2099 W su : hacks: Testing (com.keramidas.TitaniumBackup:10079), 44451
09-30 11:21:16.652 2039 2039 D AndroidRuntime: >>>>>> START com.android.internal.os.RuntimeInit uid 0 <<<<<<
09-30 11:21:16.658 2039 2039 D AndroidRuntime: CheckJNI is OFF
09-30 11:21:16.709 2101 2101 D su : 10079 /sbin/su executing 0 /system/bin/sh using binary /system/bin/sh : sh
09-30 11:21:16.839 2039 2039 D ICU : No timezone override file found: /data/misc/zoneinfo/current/icu/icu_tzdata.dat
09-30 11:21:16.911 2039 2039 W art : Failed to stat, will retry: /data/dalvik-cache/arm/system@framework@am.jar@classes.dex.flock: No such file or directory
09-30 11:21:16.977 2005 2005 E memtrack: Couldn't load memtrack module (No such file or directory)
09-30 11:21:16.977 2005 2005 E android.os.Debug: failed to load memtrack module: -2
09-30 11:21:16.979 2005 2005 I Radio-JNI: register_android_hardware_Radio DONE
09-30 11:21:17.007 2039 2039 E memtrack: Couldn't load memtrack module (No such file or directory)
09-30 11:21:17.007 2039 2039 E android.os.Debug: failed to load memtrack module: -2
09-30 11:21:17.010 2039 2039 I Radio-JNI: register_android_hardware_Radio DONE
09-30 11:21:17.013 1420 1774 E AdAway : Exception:
09-30 11:21:17.013 1420 1774 E AdAway : org.adaway.util.CommandException
09-30 11:21:17.013 1420 1774 E AdAway : at org.adaway.util.ApplyUtils.copyHostsFile(ApplyUtils.java:186)
09-30 11:21:17.013 1420 1774 E AdAway : at org.adaway.service.ApplyService.apply(ApplyService.java:427)
09-30 11:21:17.013 1420 1774 E AdAway : at org.adaway.service.ApplyService.doWakefulWork(ApplyService.java:102)
09-30 11:21:17.013 1420 1774 E AdAway : at com.commonsware.cwac.wakeful.WakefulIntentService.onHandleIntent(WakefulIntentService.java:100)
09-30 11:21:17.013 1420 1774 E AdAway : at android.app.IntentService$ServiceHandler.handleMessage(IntentService.java:67)
09-30 11:21:17.013 1420 1774 E AdAway : at android.os.Handler.dispatchMessage(Handler.java:102)
09-30 11:21:17.013 1420 1774 E AdAway : at android.os.Looper.loop(Looper.java:154)
09-30 11:21:17.013 1420 1774 E AdAway : at android.os.HandlerThread.run(HandlerThread.java:61)
09-30 11:21:17.095 2117 2117 D su : sending code
09-30 11:21:17.105 2119 2119 E linker : normalize_path - invalid input: "null", the input path should be absolute
09-30 11:21:17.105 2119 2119 W linker : Warning: unable to normalize "null"
09-30 11:21:17.121 2119 2119 D su : client exited 0
09-30 11:21:17.134 2118 2118 D su : child exited

Regards, mistersixt