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authorMario Preksavec <mario@slackware.hr>2017-11-23 23:10:29 +0100
committerWilly Sudiarto Raharjo <willysr@slackbuilds.org>2017-11-25 06:06:39 +0700
commitdd6d695126ab869ee03108f6add89c9d7a8db071 (patch)
tree3077b333c60c04fe2170d30edf82d54ce0b738ec /network/skype/README.SLACKWARE
parenta40a8abc8b4a65716bd32361d3f2f74b77eb661a (diff)
downloadslackbuilds-dd6d695126ab869ee03108f6add89c9d7a8db071.tar.gz
network/skype: Removed (replaced by skypeforlinux).
Signed-off-by: Mario Preksavec <mario@slackware.hr>
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-Skype and camera issues
------------------------
-It has been pointed out by a lot of users that Skype has problems with
-some cameras, in most cases this leads to green screen or no video at
-all. This happens because V4L API (legacy) has been dropped from newer
-kernels, and pixel format decoding has been pushed to user space.
-Moreover, V4L2 does not support kernel space decoding. Since Skype
-supports only V4L, easiest way to get it working is to preload it with
-V4L compatibility library, and call Skype like this:
-
- LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so /usr/bin/skype
-
-If you are still having problems, try adding the following as well:
-
- XLIB_SKIP_ARGB_VISUALS=1
-
-Included with this package is an alternative desktop file modified to
-include those variables. For easy use, just copy it to your home
-directory:
-
- cp /usr/doc/skype-4.3.0.37/skype-alternative.desktop \
- ~/.local/share/applications
-
-Skype and pulseaudio dependencies
----------------------------------
-With the introduction of Skype 4.3 series, all built-in ALSA support
-has been completely removed. What this means is that we now have one
-more dependency to deal with, and for 64bit Slackware users this makes
-things even more complex, because they have to build 32bit counterparts
-and use convertpkg script to make them installable on their systems.
-At the time of writing this, pulseaudio also requires json-c and speex
-dependencies, so if you are on a 32bit system, it should be enough to
-build these and installpkg them.
-For a 64bit setup, you will have to build all three dependencies, and
-in the end you will end up with a total of six packages, three for each
-platform. To do this, you will obviously need multilib packages from
-Eric Hameleers, so make sure you check README that comes with them.
-After 32bit packages are built, convert them like this:
-
- convertpkg-compat32 -i json-c-0.11-i486-1_SBo.tgz -e tgz
- convertpkg-compat32 -i speex-1.2rc1-i486-3_SBo.tgz -e tgz
- convertpkg-compat32 -i pulseaudio-5.0-i486-1_SBo.tgz -e tgz
-
-And installpkg resulting packages as usual.
-
-Skype and pulseaudio dependencies (addendum)
---------------------------------------------
-It turns out, all of the above can be skipped by using apulse to wrap
-around Skype binary. Naturally, for 64bit users this makes things a bit
-harder, and a 32bit apulse compat32 package is required instead. In any
-case, it's still a bit cleaner then having a whole pulseaudio installed
-and interfering with the rest of the system, and only to serve Skype.
-Find apulse SlackBuild at the usual awesome place, the slackbuilds.org
-Website. Thanks goes to Andrzej Telszewski for pointing it out!
-
-Skype with a grain of salt
---------------------------
-Running binary-only applications might give open source literate people
-a certain dose of unease. Even more so when this application runs at
-computer start up, has constant outbound network access, becomes a
-super node when open ports from the internet are detected, effectively
-accepting random connections from other users on the internet. If you
-are not scared enough already, think about access to your sound card,
-camera, and precious files after reading the above!
-Sure, some will argue that privacy is a thing of the past, and not to
-run such applications if you don't want to, but sometimes you simply
-don't have a choice. Whether it's your long distance family members or
-coworkers and friends, price is the same, you are left with an ugly
-written app (just look at that 64bit support) that is probably full of
-horrible holes, intentional or not (really :^)
-While safest thing, of course, is to avoid using it, and probably turn
-off your computer for good, right before you put on that tin foil hat
-or bury your head in a hole somewhere, we wont be exploring those
-options in this awesome README!
-Instead, we will start from the obvious, firewall unused ports on your
-computer, in most cases it's fine to close them all down. Next in line
-are also obvious things, if you do not trust that little light on your
-camera, unplug it when your haircut is not presentable to the world.
-Same goes for your microphone, and if it's an integrated one, take it
-from the pro's in the police department that use adhesive tape to cover
-it up :-)
-Now that manual labor is out the way, we come to a much more fun part,
-protecting your precious files in $HOME. For this we take advantage of
-multi-user environment, and simply run Skype under another user with
-basic access. Without further ado, create another user and group with:
-
- groupadd -g 666 spyke
- useradd -u 666 -d /home/spyke -m -s /bin/bash -g spyke spyke
-
-Optionally give this user access to hardware:
-
- usermod -G audio,video,pulse -a spyke
-
-If you previously had Skype set-up that you wish to keep, move it with:
-
- cp -a $HOME/.Skype /home/spyke
- chown -R spyke:spyke /home/spyke/.Skype
-
-Allow group execution:
-
- echo "%spyke ALL=(spyke) NOPASSWD: /usr/bin/skype" \
- >> /etc/sudoers.d/66_spyke
-
-Add your user to this new group:
-
- usermod -G spyke -a USERNAME
-
-Finally, run it like this:
-
- xhost +local: \
- && sudo -u spyke /usr/bin/skype
-
-Attention, due to lack of goofiness in this README, anagrams were used
-to fill that void. Together with some number crafting, level of Slack
-has peaked, and the trumpets were blown.