Chromium in Docker throws "Failed to create shared context for virtualization" - docker

I have a debian-based Docker container (the host machine is on Windows 10). It has Chromium installed via apt-get install -y --no-install-recommends chromium.
When I run a test command:
/usr/bin/chromium --headless --disable-gpu --no-sandbox --hide-scrollbars --window-size="1920,1080" --default-background-color=00000000 --hide-scrollbars --disable-features=NetworkService --virtual-time-budget=20000 --screenshot=/tmp/screenshot.png https://www.google.com
it complains saying:
[0916/202547.786718:ERROR:gpu_channel_manager.cc(398)] ContextResult::kFatalFailure: Failed to create shared context for virtualization.
I'm getting the correct screenshot despite the error, but I'd want to get rid of this alert anyway.
Googling didn't help.

I'm sorry, my answer isn't for chromium directly. But for cef (CefGlue), which based on it. I run on linux without gpu (server).
I got exactly same error on cef version 76.1.13.
Thanks to https://github.com/Zenika/alpine-chrome/issues/36#issuecomment-534392761
The reason is flag "--disable-software-rasterizer".
I used it with old version of cef. But for now it cause error.
I see, that you doesn't use this flag, but may be you skip it when ask question?

Related

./prereqs-ubuntu.sh Error: Ubuntu focal is not supported

I'm trying to use composer and for the same I'm using the below command for installation.
curl -O https://hyperledger.github.io/composer/latest/prereqs-ubuntu.sh
chmod u+x prereqs-ubuntu.sh
These above commands successfully executed.
But when I executed this command (./prereqs-ubuntu.sh) then I'm getting below error
Terminal Throws Error ///Ubuntu focal is not supported
Please help
Hyperledger Composer Installation
I also find this kind of error during Hyperledger Composer installation this problem mainly depends on the Ubuntu version.
Steps to overcome this problem.
upgrade ubuntu version as per your ubuntu versoin please follow:
https://www.fosslinux.com/38303/how-to-upgrade-to-ubuntu-20-04-lts-focal-fossa.htm
open file prereqs-ubuntu.sh with your compatible editor
update line:
#Array of supported versions
declare -a versions=('trusty' 'xenial' 'yakkety', 'bionic');
with
# Array of supported versions
declare -a versions=('trusty' 'xenial' 'yakkety', 'bionic', 'focal');
After saving this file
Run command: ./prereqs-ubuntu.sh
I hope this problem will resolve if anything please feel free to write.

How do I solve "Hash Sum Mismatch" on "apt-get install docker-ce"?

I hope you're all well!
This is my first question ever on stack overflow, so if i'm missing anything, just tell me and it'll be my pleasure to update my question.
So, to summarize my problem, I am trying to install Docker-ce on an Ubuntu 18.04 VM by following the official steps at Docker-Engine Installation and I am getting the error "Hash Sum Mismatch" when running the command "sudo apt-get install docker-ce docker-ce-cli containerd.io".
I went through the official steps a few times and I've tried the following things so far :
1) The following commands, followed by the official installation steps
apt-get clean
rm -rf /var/lib/apt/lists/*
apt-get clean
apt-get update
apt-get upgrade
2) Creation of a file with the following lines, placed at "/etc/apt/apt.conf.d/99fixbadproxy", followed by the official installation steps
Acquire::http::Pipeline-Depth 0;
Acquire::http::No-Cache true;
Acquire::BrokenProxy true;
3) Installation of other versions of docker-ce with the following commands
sudo apt-get install docker-ce 5:19.03.8~3-0~ubuntu-bionic
sudo apt-get install docker-ce 5:19.03.6~3-0~ubuntu-bionic
sudo apt-get install docker-ce 5:18.09.9~3-0~ubuntu-bionic
4) I tried installing different repositories (i think they're called repositories) by adding "nightly" or "test" or both after the word "stable" of the following command
sudo add-apt-repository \
"deb [arch=amd64] https://download.docker.com/linux/ubuntu \
$(lsb_release -cs) \
stable"
And I think that is pretty much it. I did tried other things but unfortunately i don't remember them because I've been working on this issue for quite some time now.
I did not try on a fresh new installation of Ubuntu 18.04 though.
If I'm missing anything in my question, please let me know!
Take care everybody!
EXPLANATION and Solution: Quick Fix
This issue is caused by the Windows Hypervisor Platform. This issue cannot be resolved for now (asfar as I know).
A partial fix is at hand though. And I say"partial" because it involves disabling the platform (also known as"Hyper-V") which will probably break other virtualization solutions you have installed since this is enabled manually. Anyway, here's how to disable it and get your VM running again,
Shut down the Virtual Machine.
Press Windows logo key + X, then hit A to run Command Prompt(powershell) as administrator.
Type
bcdedit /set hypervisorlaunchtype off
When you see"The operation completed succesfully", reboot your windows. After reboot, boot your VM and update/upgrade.
For anyone still having issues with this, I managed to get it working by disabling HyperV (as most people have already suggested). However, on my setup, disabling HyperV using the mentioned approaches didnt actually disable HyperV since my windows machine used HyperV for both CredentialGuard and Secure Boot, both of which needed to be disabled before HyperV was actually fully disabled
If running systeminfo.exe in an elevated terminal shows A hypervisor has been detected. Features required for Hyper-V will not be displayed, then HyperV is not fully disabled. Disabling credential guard and secure boot coupled with a few restarts (after running all the commands to disable HyperV that have already been mentioned) solved all issues for me.
Just for reference, if HyperV is fully disabled, you should see
Hyper-V Requirements: VM Monitor Mode Extensions: Yes
Virtualization Enabled In Firmware: Yes
Second Level Address Translation: Yes
Data Execution Prevention Available: Yes
when running systeminfo.exe

Composer Docker image won't run at all

I'm attempting to learn how to create a Laravel Docker image by following a tutorial on DigitalOcean using WSL. Following the instructions on the Docker Hub page, however, yields an error:
❯ docker run --rm --interactive --tty -v $(pwd):/app composer install
Loading composer repositories with package information
Updating dependencies (including require-dev)
Package operations: 94 installs, 0 updates, 0 removals
- Installing voku/portable-ascii (1.4.10): Failed to download voku/portable-ascii from dist: Could not delete /app/vendor/voku/portable-ascii/src/voku/helper:
Now trying to download from source
- Installing voku/portable-ascii (1.4.10):
[RuntimeException]
Could not delete /app/vendor/voku/portable-ascii/src/voku/helper:
install [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--no-custom-installers] [--no-autoloader] [--no-scripts] [--no-progress] [--no-suggest] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--apcu-autoloader] [--ignore-platform-reqs] [--] [<packages>]...
How can I diagnose what I'm doing wrong?
It turns out that the underlying problem had nothing to do with Docker at all. In fact, Composer was trying to tell me what the problem was all along, but I dismissed it as just a symptom of a deeper issue:
[RuntimeException]
Could not delete /app/vendor/voku/portable-ascii/src/voku/helper:
This message was the crux of it all. I noticed that the directory mentioned, [...]/helper, was empty, so I tried to remove it by hand with rmdir. Instead, I got a No such file or directory error message. I attempted many other was to kill this directory, the entire project directory with rm -rf ~/laravel-app from the home folder, etc. Nothing worked.
Some digging around on the internet suggested that it could be an NTFS corruption if I was running into this issue on Windows. Since I am, indeed, attempting this on WSL (Windows Subsystem for Linux), I gave their suggested fix a try: running chkdsk /F in CMD/PowerShell. A reboot was necessary to complete this task, but after getting everything back up and trying those first few tutorial steps again, I was able to get composer to install the Laravel dependencies without a hitch.
Bottom line: If you run into this sort of issue on WSL, please try running chkdsk /F and reboot. You might just have a similar file system corruption.
We have two possibilities for this error:
1 - You did not execute the command inside the directory :
cd ~/laravel-app
2 - I'm sure there is an internal proxy that is blocking the download of packages.

Raspbian docker: Error response from daemon: cgroups: memory cgroup not supported on this system: unknown

I am new to docker, I plug my PI3 to test some stuff and I'm already facing an error, I can't figured that out myself.
So I freshly install raspbian and docker.
That's my install log
Then I try the classic hello-word test
and there is the log
It looks 17.11.0 has the problem.
Could you try to install the old one as below ?
$ sudo apt install docker-ce=17.09.0~ce-0~raspbian
Or wait for the fix.
(2017.12.5)
It looks 2017-11-29-raspbian-stretch has same issue. To avoid upgrading by apt upgrade, Do: sudo apt-mark hold docker-ce.
And unhold when it fixes.
Another solution is to add cgroup_enable=memory cgroup_memory=1 in /boot/cmdline.txt at the end of the line and reboot.

Ejabberd installation strange issue

OS: Debian 8.1 X64
trying to install eJabberd Community server based on this tutorial
At the end of installation, it pops error message
Error: Error running Post Install Script.
The installation may have not completed correctly
What am I doing wrong?
It looks like /bin/sh is Dash on your system (apparently the default since Debian Squeeze). However, the postinstall.sh script inside the package uses brace expansion, which while widely supported in various shells is not required by the POSIX standard, and thus Dash is not in error by not supporting it. The postinstall.sh script should either specify /bin/bash instead of /bin/sh in its first line, or abstain from using Bash-specific features.
You should be able to get a functioning ejabberd install by explicitly running the postinstall script with Bash:
sudo bash /opt/ejabberd-15.07/bin/postinstall.sh

Resources