Fix cygwin's GNU screen /tmp/uscreens permission errors

Note: The latest Cygwin release of screen works fine now.

The current (e.g., 4.3.1) GNU screen command generally fails to work correctly on cygwin due to directory permission checks - for example, on /tmp/uscreens. To remedy this problem, you can run mkpasswd / mkgroup for every Windows user that runs cygwin. But this isn't foolproof because /tmp can easily become unusable by screen. Or you can modify screen and avoid the checks entirely. Here's how.

1. Run cygwin's setup program and install:

Source for the screen package
gcc
libncurses-devel

2. After installing, run the cygwin prompt
3. cd /usr/src
4. tar -xzf screen*.gz
5. cd screen-*
6. ./configure
7. Edit Makefile

change the line ETCSCREENRC = to ETCSCREENRC = /etc/screenrc

8. Edit screen.c. See [1] for more details. Remove the statements that start with:

if (((int)st.st_mode & 0777) != n) ...
if ((st.st_mode & 0777) != 0700) ...
if ((int)st.st_uid != real_uid)
if ((int)st.st_uid != multi_uid)

9. make

10. cp screen /bin

[1] https://gist.github.com/pasela/3401354

Comments

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Terris' Easy Spicy Vegan Lentil "Soup"

Lentils

This a recipe for cooking raw lentils with Indian flavors.

Most of the liquid will be absorbed by the lentils so this dish will be more of a cassole than a soup. This recipe yields 10-12 large bowls. Great for leftovers and lunch-at-work!
Credits: I started with this recipe
Estimates: Prep time: 30-45 mins, depending on whether you have help chopping or drinking Cook time: 20 mins Ingredients 1 bay leaf3 tsp salt2 tsp cumin1 tsp curry powder2 tsp roasted paprika1/2 tsp garam masala1 tsp cayenne pepper1 tsp chipotle powder1 large potato6 oz crimini mushrooms, sliced2 cups dry lentils1 fresh jalapeño1 large yellow onion1 pound cherry tomatoes1 large whole tomato3 carrots, chopped1 lb cauliflower, chopped1 lb broccoli florets, chopped6 oz tomato paste2 Tbsp olive oil1lemon, juiced (about 2 tablespoons)3 cups vegetable broth2 cups water InstructionsSautee the oil, garlic, and onions for 5 minutes in medium-low heat in pressure cooker (no pressure yet!)While that's happening, …

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