busybox | BusyBox for Android
kandi X-RAY | busybox Summary
kandi X-RAY | busybox Summary
Copyright (C) 2015-2022 Anton Skshidlevsky, GPLv2. This application is an BusyBox installer for Android. BusyBox combines tiny versions of many common UNIX utilities into a single small executable. It provides replacements for most of the utilities you usually find in GNU fileutils, shellutils, etc. The utilities in BusyBox generally have fewer options than their full-featured GNU cousins; however, the options that are included provide the expected functionality and behave very much like their GNU counterparts. BusyBox provides a fairly complete environment for any small or embedded system. The app is available for download in Google Play and GitHub.
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Top functions reviewed by kandi - BETA
- Extracts and exits the env directory
- Extract file to env directory
- Extract path to env directory
- Get hardware architecture
- Invoked when menu items are selected
- Append log
- Execute a shell
- Show a zip archive dialog
- Initializes the app preferences
- Initialize summaries
- Override this method to be called when creating the preferences
- Called when the activity is created
- Gets the language code
- Set the locale
- Create a zip archive
- Adds a file to a zip archive
- Get the maximum number of lines to be shown in the app
- Initializes the shell
- Get font size
busybox Key Features
busybox Examples and Code Snippets
Community Discussions
Trending Discussions on busybox
QUESTION
I have this docker-compose.yaml
ANSWER
Answered 2022-Mar-12 at 23:44When you run foo=mandatory docker-compose up && docker-compose down
, you are running foo=mandatory docker-compose up
and then docker-compose down
, which means the docker-compose down
is not receiving that variable, and thus giving you that error when trying to read the template.
If you run foo=mandatory docker-compose up && foo=mandatory docker-compose down
, it will work. You may also export the variable so you don't need to pass it twice:
QUESTION
How do I get -e
/ errexit to work in bash functions, so that the first failed command* within a function causes the function to return with an error code (just as -e
works at top-level).
* not part of boolean expression, if/elif/while/etc etc etc
I ran the following test-script, and I expect any function containing f
in its name (i.e. a false
line in its source) to return error-code, but they don't if there's another command after. Even when I put the function body in a subshell with set -e
specified again, it just blindly steamrolls on through the function after a command fails instead of exiting the subshell/function with the nonzero status code.
I get the same result in all of these envs/shells, which is to be expected I guess unless one was buggy.
Arch:
bash test.sh
(bash 5.1)zsh test.sh
(zsh 5.8)sh test.sh
(just a symlink to bash)
Alpine:
docker run -v /test.sh:/test.sh alpine:latest sh /test.sh
(BusyBox 1.34)
Ubuntu:
docker run -v /test.sh:/test.sh ubuntu:21.04 sh /test.sh
docker run -v /test.sh:/test.sh ubuntu:21.04 bash /test.sh
(bash 5.1)docker run -v /test.sh:/test.sh ubuntu:21.04 dash /test.sh
(bash 5.1)
ANSWER
Answered 2022-Feb-04 at 21:32How to make errexit behaviour work in bash functions
Call the function not inside if
.
I expect any function containing f in its name (i.e. a false line in its source) to return error-code
Weeeeeell, your expectancy does not match reality. It is not how it is implemented. And flag errexit
will exit your script, not return error-code.
Desired output
You can:
Download Bash or other shell sources or write your own and implement the behavior that you want to have.
- consider extending the behavior with like
shopt -s errexit_but_return_nonzero_in_if_contexts
or something shorter
- consider extending the behavior with like
Run it in a separate shell.
QUESTION
I have the following Dockerfile
:
ANSWER
Answered 2021-Dec-05 at 23:05Does it make sense to iterate through layers like this and keep adding files (to some target, does not matter for now) and deleting the added files in case they are found with a .wh prefix? Or am I totally off and is there a much better way?
There is a much better way, you do not want to reimplement (with worse performances) what Docker already does. The main reason is that Docker uses a mount filesystem called overlay2
by default that allows the creation of images and containers leveraging the concepts of a Union Filesystem: lowerdir
, upperdir
, workdir
and mergeddir
.
What you might not expect is that you can reproduce an image or container building process using the mount
command available in almost any Unix-like machine.
I found a very interesting article that explains how the overlay storage system works and how Docker internally uses it, I highly recommend the reading.
Actually, if you have read the article, the solution is there: you can mount
the image data you have by docker inspect
ing its LowerDir
, UpperDir
, WorkDir
and by setting the merged dir to a custom path. To make the process simpler, you can run a script like:
QUESTION
I'm planning to move away from Docker to Podman. I use docker-compose a lot so am planning to switch to podman-compose as well.
However I'm stuck at the simplest of podman examples, I can't seem to mount a volume onto my container? Obviously I'm doing something wrong however I cant figure out what it is.
My source file definitely exists on my (hardware) host (so not the podman machine). but I keep getting the error 'no such file or directory'.
Funny thing is if I manually create the same file locally on the podman machine (podman machine ssh --> touch /tmp/test.txt) it works perfectly fine.
Question is;
- should I (manually?) mount all my local files onto the Fedora VM (podman machine) so that in turn this Fedora mount can be used in my actual container? and if so, how do I do this?
- The
podman run
cmd below should work and there is something else I'm doing wrong?
ANSWER
Answered 2021-Dec-20 at 07:31As mentioned by @ErikSjölund there has been an active treat on https://github.com/containers/podman. Apparantely Centos (Podman Machine) does not (yet) support different types of volume creation on the machine.
It's not perse Podman lacking this feature it's waiting for CentOS to support this feature as well.
However, should you want to mount a local directory onto the machine I recommend have a look at https://github.com/containers/podman/issues/8016#issuecomment-995242552. It describes how to do a read-only mount on CoreOS (or break compatibility with local version).
Info:
https://github.com/containers/podman/pull/11454 https://github.com/containers/podman/pull/12584
QUESTION
I am using Azure Kubernetes Services with K8S version 1.20.9 and have following K8S deployment
Version 1:
...ANSWER
Answered 2021-Dec-02 at 13:25This is a known problem with rollout undo
, reported here #94698, here #25236, and here #22512.
In layman terms - kubectl
incorrectly calculates differences and merges changes, becacuse undo
does not properly load previous configuration.
More about how K8s calculates differences can be found in the docs.
Workaround is to update manually last-applied-configuration before re-applying another deployment from config file
QUESTION
I am trying to build image for linux/arm64/v8
on linux/amd64
Gitlab runner. I run it with this command:
ANSWER
Answered 2021-Nov-16 at 11:01There were three problems with my approach:
- I needed to install buildx extension
QUESTION
We want to use Paketo.io / CloudNativeBuildpacks (CNB) GitLab CI in the most simple way. Our GitLab setup uses an AWS EKS cluster with unprivileged GitLab CI Runners leveraging the Kubernetes executor. We also don't want to introduce security risks by using Docker in our builds. So we don't have our host’s /var/run/docker.sock
exposed nor want to use docker:dind
.
We found some guides on how to use Paketo with GitLab CI like this https://tanzu.vmware.com/developer/guides/gitlab-ci-cd-cnb/ . But as described beneath the headline Use Cloud Native Buildpacks with GitLab in GitLab Build Job WITHOUT Using the GitLab Build Template
, the approach relies on Docker and pack CLI. We tried to resemble this in our .gitlab-ci.yml
which looks like this:
ANSWER
Answered 2021-Nov-15 at 14:04Use the Buildpack's lifecycle directly inside your .gitlab-ci.yml
here's a fully working example):
QUESTION
I had a project that wanted to update the DNS configuration of Pod with Operator,
...ANSWER
Answered 2021-Nov-01 at 14:40Like the message says you cannot update a DNS config of a pod: Forbidden: pod updates may not change fields other than spec.containers[*].image, spec.initContainers[*].image
.
If you want to inject a DNS config into all pods you need to add the configuration before the pod is created. Look into MutatingAdmissionWebhook as an approach for this.
QUESTION
I've setup container images builds in kubernetes using kaniko (version v1.6.0-debug
), but I ended up in the following problem when the cache is enabled (/kaniko/executor --cache --cache-repo $CI_REGISTRY_IMAGE/cache
).
This is a simplified Dockerfile that explains the issue (the real one has a PHP package.json
and package.lock
files where new requirements have been added).
ANSWER
Answered 2021-Oct-25 at 08:36Upgrading to Kaniko 1.7.0 might solve your problem: https://github.com/GoogleContainerTools/kaniko/pull/1735
QUESTION
I have a Dockerfile
...ANSWER
Answered 2021-Oct-23 at 00:31Oh, just found the solution in the wiki page at https://github.com/hadolint/hadolint/wiki/DL4006
Here is my fixed version:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install busybox
You can use busybox like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the busybox component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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