I want to set CMSClassUnloadingEnabled and UseConcMarkSweepGC for my Ruby on Rails application running on CloudBees. I'm struggling to find the syntax for setting these using the bees SDK or can I set them in warble.rb?
thanks!
-max
Yes you can set options via the CLI/SDK, for example:
bees app:deploy app.war -R JAVA_OPTS="-verbose:class"
The -R JAVA_OPTS will pass along the parameters you want.
Related
I am running a virtual environment on CentOS with podman.
When I used the --net option of the podman run command, I get an error.
[user#server ~]$ podman run --net slirp4netns:port_handler=slirp4netns -p 1080:80 -d --name web nginx
Error: cannot join CNI networks if running rootless: invalid argument
Is this option unavailable?
Or is there a problem with the way the options are specified?
Please tell me solution.
I used this site as a reference for the command.
This is the configuration of the server.
[user#server ~]$ cat /etc/redhat-release
CentOS Linux release 8.2.2004 (Core)
[user#server ~]$ podman -v
podman version 2.0.6
The port_handler option requires Podman >= 2.1.0, which isn't released at this moment: https://github.com/containers/podman/commit/d86bae2a01cb855d5964a2a3fbdd41afe68d62c8
You can use that option if you compile Podman from its master branch.
I find this link quite helpful to see rootless communication :
https://www.redhat.com/sysadmin/container-networking-podman
https://podman.io/getting-started/network
I am not sure if you have seen this link before or even if it is helpful to you at this instance. But, in view of helping others out, I think the blog post quotes the following helpful statements:
Note: All podman network commands are for rootfull containers only.
Technically, the container itself does not have an IP address, because without root privileges, network device association cannot be achieved
When using Podman as a rootless user, the network is setup automatically. The container itself does not have an IP Address, because without root privileges, network association is not allowed. You will also see some other limitations.
I am using oh-my-zsh for my terminal. I have set IntelliJ to use /bin/zsh as the shell path. However no environment variable in my .zshrc file ever seems to get picked up. I'm defining environment variables like this (for instance):
export GOOGLE_APPLICATION_CREDENTIALS="$HOME/mailcreds.json"
But if I run:
echo $GOOGLE_APPLICATION_CREDENTIALS
Nothing comes up.
Set environment variables in ~/.profile instead of ~/.bashrc or ~/.zshrc, see this issue for details.
For me, the issue was that I load tmux automatically using .zshrc.
I followed the solution here: https://youtrack.jetbrains.com/articles/IDEA-A-19/Shell-Environment-Loading
Wrapped just the export ZSH_TMUX_AUTOSTART=true like this:
if [ -z "$INTELLIJ_ENVIRONMENT_READER" ]; then
export ZSH_TMUX_AUTOSTART=true
fi
For Ubuntu, I edited my IDE desktop launcher to run zsh with login interactive:
Go to /usr/share/applications (where the desktop entry usually located).
Edit jetbrains-idea.desktop(might be named differently).
Change Exec field to include /bin/zsh -l -i -c "/opt/intellij/bin/idea.sh".
The final result of the file:
[Desktop Entry]
Version=1.0
Type=Application
Name=IntelliJ IDEA Ultimate Edition
Icon=/opt/intellij/bin/idea.svg
Exec=/bin/zsh -l -i -c "/opt/intellij/bin/idea.sh" %f
Comment=Capable and Ergonomic IDE for JVM
Categories=Development;IDE;
Terminal=false
StartupWMClass=jetbrains-idea
StartupNotify=true
Shared the same wrong behavior with Intellij in Manjaro (Arch), which uses zsh by default.
The issue comes with Flatpak, switching to Snap or downloading binaries directly from vendor's page got this solved.
Is similar to this issue (PyCharm): https://github.com/flathub/com.jetbrains.IntelliJ-IDEA-Ultimate/issues/23.
Is the "Startup File" option on the docker web app options for docker-compose files? or shell commands? I cannot find any documentation for it...
Basically I'd like my Web App to run a docker-compose.yml instead of executing docker run [options] when I push an image to it.
This is documented now, see below or click here.
What are the expected values for the Startup File section when I
configure the runtime stack?
For Node.js, you specify the PM2 configuration file or your script
file. For .NET Core, specify your compiled DLL name as dotnet <myapp>.dll. For Ruby, you can specify the Ruby script that you want
to initialize your app with.
Not sure if this is still a problem but I just noticed it appends whatever you put in there to the default startup command.
2019-09-02 05:03:04.493 INFO - docker run -d -p 55721:80 --name xxxxxx -e WEBSITES_ENABLE_APP_SERVICE_STORAGE=false -e WEBSITE_SITE_NAME=xxxxx -e WEBSITE_AUTH_ENABLED=False -e PORT=80 -e WEBSITE_ROLE_INSTANCE_ID=0 -e WEBSITE_HOSTNAME=xxxxxx.azurewebsites.net -e WEBSITE_INSTANCE_ID=xxxxxxxxx -e HTTP_LOGGING_ENABLED=1 xxxxxx.azurecr.io/xxxxxxx:latest -p 80:4000 -p 443:8000
I put the -p 80:4000 -p 443:8000 into the textbox in the portal config
Azure Web Apps for Containers does not support multi-container apps (with docker-compose) at the time of writing.
I know intellij has a docker container plugin, however it doesn't seem to allow me to develop inside the container itself. The idea is simple, I don't want to configure my host to have the correct environment tools. I'd rather just a docker container setup and then use intellij to find libs, functionality and such with in the container itself.
This would be incredibly helpful for c++, java, and scala dev. Also it would be useful debugging as well.
So is it possible to develop within a docker container with intellij?
So you just want to work within a container just as you would within a full-blown VM, right? Then you should just run a container, attach a display (to run IDEA) and start configuring your development environment.
For the display part I'd test some answers given in Can you run GUI apps in a docker container?. There are some very cool answers in this topic showing various approaches to running GUI apps within a container.
Shouldn't the approach be rather:
Have local repository and local IDE. In the repository have docker file and eventually docker-compose.yml, which spins up environment required to run project.
Mount your local drive with sources into docker (volumes), so changes done in your local folder are reflected in docker, similar in other direction.
Please look at this example for Intellij IDEA CI and JDK8 based on Alpine Linux (taken here
https://raw.githubusercontent.com/shaharv/docker/master/alpine/dev/Dockerfile)
# Alpine 3.8 C++/Java Developer Image
#
# For IntelliJ and GUI (X11), run the image with:
# $ XSOCK=/tmp/.X11-unix && sudo docker run -i -v $XSOCK:$XSOCK -e DISPLAY -u developer -t [image-name]
#
# Then run IntelliJ with:
# /idea-IC-191.6707.61/bin/idea.sh
FROM alpine:3.8
ENV LANG C.UTF-8
RUN set -ex && \
apk add --no-cache --update \
# basic packages
bash bash-completion coreutils file grep openssl openssh nano sudo tar xz \
# debug tools
gdb musl-dbg strace \
# docs and man
bash-doc man man-pages less less-doc \
# GUI fonts
font-noto \
# user utils
shadow
RUN set -ex && \
apk add --no-cache --update \
# C++ build tools
cmake g++ git linux-headers libpthread-stubs make
RUN set -ex && \
apk add --no-cache --update \
# Java tools
gradle openjdk8 openjdk8-dbg
# Install IntelliJ Community
RUN set -ex && \
wget https://download-cf.jetbrains.com/idea/ideaIC-2019.1.1-no-jbr.tar.gz && \
tar -xf ideaIC-2019.1.1-no-jbr.tar.gz && \
rm ideaIC-2019.1.1-no-jbr.tar.gz
# Create a new user with no password
ENV USERNAME developer
RUN set -ex && \
useradd --create-home --key MAIL_DIR=/dev/null --shell /bin/bash $USERNAME && \
passwd -d $USERNAME
# Set additional environment variables
ENV JAVA_HOME /usr/lib/jvm/java-1.8-openjdk
ENV JDK_HOME /usr/lib/jvm/java-1.8-openjdk
ENV JAVA_EXE /usr/lib/jvm/java-1.8-openjdk/bin/java
There is a better way to do this now with Jetbrains Gateway. Just make sure you have OpenSSH server installed (latest Ubuntu containers have this already installed) in the container that you initially ran with exposed ports, i.e. -p 220:22 (I like 220) and the SSH service running, i.e. service ssh start, after modifying the /etc/ssh/sshd_config to enable root login and password authentication then service ssh restart. Make sure you set a password for the root user, i.e. passwd root, (or go through other steps to setup a new user). Then all you need to do is open Jetbrains Gateway, and SSH to the container with the fields set thus: user=root, host=localhost, and port=220 (or whatever you chose); note, you will also need to specify a project location, which in my use case is a Java application repository root directory -- this means you will need to have Java and Maven or whatever other tools installed in the container at some point, but doesn't affect ability to connect. Assuming you connect with no issues you will see activity whereby Gateway installs an IDE backend inside the container (takes about 10 minutes) and then starts up a IDE client which is a light version of IntelliJ (or whatever other IDE version you selected) that is honestly a bit buggy at time of writing. But it works and has unblocked some of my colleagues stuck with Windows machines and not many options to upgrade to Macs in the current chip shortage environment. Note that any time you restart the container you also need to restart the SSH service unless you script it to automatically start up when the container does.
I have recently setup a Rstudio application on Google compute container engine using Docker and the Rocker/rstudio package. Now I want to start my saved container with a name using the following ssh command line:
sudo docker -d -p 8787:8787 --name samplename user/laatste
which returns the following error
flag provided but not defined: --name
I have tried with and without quotes, equal signs, double and single hyphens, before, between and after the other flags and arguments, but the same error keeps returning.
version information:
Client version: 1.5.0
Client API version: 1.17
Go version (client): go1.4.1
Git commit (client): a8a31ef
OS/Arch (client): linux/amd64
Server version: 1.5.0
Server API version: 1.17
Go version (server): go1.4.1
Git commit (server): a8a31ef
The reason I want to name the container is that I want to run standard (static) startup and shutdown scripts with the Google compute instance to automatically save and load changes made in R. The container name is used for identifying the container to be saved. Any other solution for this is also very welcome.
I guess you wanted to do:
sudo docker run -d -p 8787:8787 --name samplename user/laatste
You forgot to specify command (run) here.