Re: [gentoo-user] [OT] Being Facebook member: How to anon?

On 10/24 03:58, tuxic@××××××.de wrote:
> On 10/24 02:12, tuxic@××××××.de wrote:
> > On 10/24 02:04, tuxic@××××××.de wrote:
> > > On 10/23 09:33, Róbert Čerňanský wrote:
> > > > On Mon, 23 Oct 2017 17:56:40 +0200
> > > > tuxic@××××××.de wrote:
> > > >
> > > > > On 10/23 09:56, Stroller wrote:
> > > > > >
> > > > > > > On 22 Oct 2017, at 16:50, tuxic@××××××.de wrote:
> > > > > > >
> > > > > > > for its invasive nature and its data gathering I really dont like
> > > > > > > facebook.
> > > > > > >
> > > > > > > And now it seems that I cant with out it:
> > > > > > > There is a HUGE user group for the Creality CR-10 3D printer there
> > > > > > > and veryone and everything is referencing it.
> > > > > > >
> > > > > > > My question is:
> > > > > > > Are there ways (and which ones) to become member of facebook
> > > > > > > just to read and write to this user grout (like a mailinglist)
> > > > > > > and keep the impact on privacy an personal fingerprinting as
> > > > > > > small as ever possible?
> > > > > >
> > > > > > I joined Facebook for the first time this week, for similar reasons
> > > > > > as, and with similar reservations to, you.
> > > > > >
> > > > > > When people upload a photo of you, it performs facial recognition
> > > > > > and they can "tag" you as being in the photo. You don't have to
> > > > > > upload a photo of yourself (I'm thinking of trying one in
> > > > > > sunglasses) and in the privacy settings you're also able to forbid
> > > > > > people from tagging you.
> > > > > >
> > > > > > There are quite granular settings to allow anyone but friends to
> > > > > > see or post on your timeline - I was quite impressed by how much
> > > > > > privacy appears to be available to users. I suspect this allows you
> > > > > > more privacy from you family and colleagues than it does from
> > > > > > Facebook, though.
> > > > > >
> > > > > > Stroller.
> > > > > >
> > > > > >
> > > > >
> > > > > Hi,
> > > > >
> > > > > thanks a lot for all the input...it seems not only my problem which I
> > > > > have with facehook.
> > > > >
> > > > > I will try th docker-way at first.
> > > > > But: I am a total (in words: "total") newbie when it comes to docker.
> > > > > And as I want "only" to encapsulate my inner self from the faces in
> > > > > that book (and for the first dont need to explore the huge planet of
> > > > > docker)...does one know of a good documentation for that
> > > > > purpose...something like: "Facebook for Dummies: How to use docker
> > > > > for anon access to facebook" ...or something like that ... ;)
> > > >
> > > > Well, here is very compressed "how to start" (partly from top of my
> > > > head):
> > > >
> > > > 1. emerge app-emulation/docker and /etc/init.d/docker start
> > > > 2. Add yourself to docker group; re-login
> > > > 3. Choose docker image that you like on hub.docker.com; for example:
> > > > https://hub.docker.com/r/openhs/firefox-ubuntu/ as I have mentioned in
> > > > previous mail.  It's what I've made for myself and published.
> > > > 4. Follow instructions for your chosen image how to run it.  For the
> > > > openhs/firefox-ubuntu image above, the following command should start
> > > > Firefox:
> > > >
> > > > $ docker run --name firefox -e DISPLAY=$DISPLAY --device /dev/snd \
> > > > -v /tmp/.X11-unix:/tmp/.X11-unix \
> > > > -v $XAUTHORITY:/tmp/.host_Xauthority:ro -dti openhs/firefox-ubuntu
> > > >
> > > > What it does is: from image openhs/firefox-ubuntu it creates container
> > > > named 'firefox' and starts it.  (The image is downloaded automatically.)
> > > >
> > > > This long command is needed only for the first time.  Next time you can
> > > > start it with:
> > > >
> > > > $ docker start firefox
> > > >
> > > > Some basic docker commands:
> > > >
> > > > $ docker ps [-a] - lists running containers [or all containers]
> > > > $ docker images - lists images
> > > > $ docker rm [container_name] - removes container
> > > > $ docker rmi [image_name] - removes image
> > > >
> > > > The official documentation is pretty good:
> > > > https://docs.docker.com/get-started/
> > > >
> > > > Regards,
> > > > Robert
> > > >
> > > >
> > > > --
> > > > Róbert Čerňanský
> > > > E-mail: openhs@×××××××××.com
> > > > Jabber: hs@××××××.sk
> > > >
> > >
> > > Hi Robert,
> > >
> > > oh YEAH!
> > > Thanks a lot for that quick start!
> > >
> > > I didi it, but...
> > > #>eix -I docker
> > > [I] app-emulation/docker
> > >      Available versions:  17.03.2^si (~)17.06.2^si (~)17.09.0^si **9999^si {apparmor aufs btrfs +container-init +device-mapper hardened overlay pkcs11 seccomp}
> > >      Installed versions:  17.09.0^si(05:48:14 PM 10/23/2017)(container-init device-mapper seccomp -apparmor -aufs -btrfs -hardened -overlay -pkcs11)
> > >      Homepage:            https://dockerproject.org
> > >      Description:         The core functions you need to create Docker images and run Docker containers
> > >
> > > [I] app-emulation/docker-proxy
> > >      Available versions:  0.8.0_p20161111 (~)0.8.0_p20170917^t **9999
> > >      Installed versions:  0.8.0_p20170917^t(05:46:10 PM 10/23/2017)
> > >      Homepage:            https://github.com/docker/libnetwork
> > >      Description:         Docker container networking
> > >
> > > [I] app-emulation/docker-runc
> > >      Available versions:  1.0.0_rc2_p20170308^t (~)1.0.0_rc3_p20170706^t (~)1.0.0_rc4_p20170917^t {+ambient apparmor hardened +seccomp}
> > >      Installed versions:  1.0.0_rc4_p20170917^t(05:46:07 PM 10/23/2017)(ambient seccomp -apparmor -hardened)
> > >      Homepage:            http://runc.io
> > >      Description:         runc container cli tools (docker fork)
> > >
> > >
> > > #>groups
> > > wheel mail uucp audio cdrom video games cdrw usb users docker wireshark vboxusers vlock realtime
> > >                                                        ^----^
> > >
> > > (as root)
> > > #>/etc/init.d/docker start
> > >  * WARNING: docker has already been started
> > > (so it is runnig)
> > >
> > > (as user again)
> > > #>docker run --name firefox -e DISPLAY=$DISPLAY --device /dev/snd -v /tmp/.X11-unix:/tmp/.X11-unix -v $XAUTHORITY:/tmp/.host_Xauthority:ro -dti openhs/firefox-ubuntu
> > >
> > > docker: Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?.
> > > See 'docker run --help'.
> > > [1]    10401 exit 125   docker run --name firefox -e DISPLAY=$DISPLAY --device /dev/snd -v  -v  -dti
> > >
> > > Hmmmm...seems I missed something...
> > >
> > > Cheers
> > > Meino
> > >
> > >
> > >
> > >
> >
> > Found this in dmesg
> >
> > [ 1587.391861] device-mapper: table: 254:0: thin-pool: unknown target type
> > [ 1587.391863] device-mapper: ioctl: error adding target to table
> >
> > these two lines are added when I try to start /etc/ini.d/docker as root.
> >
> > Cheers
> > Meino
> >
> >
> >
>
> I could this problem by defining
>
> CONFIG_DM_THIN_PROVISIONING=y
>
> in the kernel, recompile it and the message disappears.
> BUT:
> still docker does not start...
>
> How can I fix that?
>
> Cheers
> Meino
>
>

Next fix:
Need to activate the complete cgroup features.

Now I get this error message in /var/log/docker.log

time="2017-10-24T04:42:39.358339658+02:00" level=info msg="Loading containers: start." 
time="2017-10-24T04:42:39.869600530+02:00" level=error msg="could not get initial namespace: no such file or directory" 
time="2017-10-24T04:42:39.884438663+02:00" level=error msg="failed to set to initial namespace, readlink /proc/4588/task/4588/ns/net: no such file or directory, initns fd -1: bad file descriptor" 
time="2017-10-24T04:42:39.885161875+02:00" level=info msg="Default bridge (docker0) is assigned with an IP address 172.17.0.0/16. Daemon option --bip can be used to set a preferred IP address" 
time="2017-10-24T04:42:39.885339857+02:00" level=error msg="failed to set to initial namespace, readlink /proc/4588/task/4588/ns/net: no such file or directory, initns fd -1: bad file descriptor" 
Error starting daemon: Error initializing network controller: Error creating default "bridge" network: Failed to program NAT chain: Failed to inject DOCKER in PREROUTING chain: iptables failed: iptables --wait -t nat -A PREROUTING -m addrtype --dst-type LOCAL -j DOCKER: iptables: No chain/target/match by that name.

...and now I really did not know how to hack further...

Any help is very appreciated...

Cheers
Meino