[Q] update nexus 4 from android 4.2.2 to 5.0.1 manually topic

how can i update my nexus 4 from android 4.2.2 (JDQ39) to 5.0.1 (LRX22C) directly?

[Q] manually install scripts topic

hello everyone!

i think this should be somewhere else, but i don't really know..
anyway, my question is: how do you install a script manually?
so, you have a script that you would flash in a recovery like cwm, but you want to do it yourself.
it seems logical to me that whatever is in the system should be in the map it says(i.e: *.zip/system/etc/init.d means the files should go into init.d)
but what about the things that are in the META-INF?

any help would be greatly appriciated.

PS: i'm asking because cwm says it installs a script, but nothing actually happens.(the script works and so does the sd card)

Manually rooting the Tab Pro 8.4 topic

Curious to see if it's possible to root the Tab Pro 8.4 in a similar way I did the Galaxy S5 without tripping Knox and other flags.
On the Galaxy S5, I used Odin to flash an older kernel that had the TowelRoot exploit to root, once I got root, I just flashsed the original kernel back and everything is good (No flags tripped).
Is there a similar way to do this with the Tab Pro 8.4?