sh-scripts | 一些常用shell脚本收集
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一些常用shell脚本收集
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QUESTION
I need the ability to back up and then later use (both to read and print and to pass to another command as arguments) all input args to a bash program, but can't figure it out. Here is my attempt:
back_up_all_input_args.sh:
...ANSWER
Answered 2022-Jan-04 at 03:28Add parentheses and store them in an array. This will preserve each of the arguments as separate words and avoids all the backslash escaping complexities.
QUESTION
There are obviously similar questions a lot, but I have to ask this same thing again since I can not find a solution (which works) from the other questions (nor anywhere else with reasonable search).
Also note that I have just started with Python.
Also I feel it's needed to explain all that I currently have. So ... sorry for the long post
The Main problem
I have a legacy Python project that I would need to get to work locally (on Ubuntu 20.04). This project has environment.yml and requirements.txt files.
A virtual environment is created with:
...ANSWER
Answered 2021-Nov-04 at 11:06Although suggestion by @razimbres was not actually correct, it gave me an idea to think for reasons why the libraries are not found from the virtual environment. (Could there be something that directs the app to look for libraries outside the env)
I had installed the green unicorn by apt since the absence of it was the first error when originally starting the app.
QUESTION
I want to achieve the following build process:
- decide the value of
environment
var depending on the build branch - persist this value through diff build steps
- use this var to pass it as
build-arg
todocker build
Here is some of the cloudbuild config I've got:
...ANSWER
Answered 2021-Jun-01 at 14:51You can change the default entrypoint by adding entrypoint:
parameter
QUESTION
I am trying to rewrite several sh-scripts into kotlin scripts. How can I run shell commands or execute binaries accessible in the PATH variable from a kotlin script?
...ANSWER
Answered 2021-Mar-17 at 07:25A shell script is using the JVM (java virtual machine) to execute. Which means you can access the inner workings of this by using Runtime.getRuntime()
.
The most notable af the return is the exec
-method
This class has been present since java version 1.0, but here is the javadocs for java 11: https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runtime.html
QUESTION
If deploy with filename on GKE, Supported builder images provided by Cloud Build can be found from official.
Also can found full list.
But both gke-deploy
or kubectl
can't suite my requirement. I want to run a command like
ANSWER
Answered 2021-Jan-28 at 04:02One approach would be to install kustomize on the machine that has kubectl installed. Another option is to run kustomize outside the cluster and and then store the resulting yaml somewhere in an object store like S3 in case of AWS and then in the machine download the yaml files from the object store and run kubectl apply.
QUESTION
I am trying to convert this bash/zsh function into fish. I want to use rga-fzf which is a function for zsh/bash using fzf together with ripgrep-all.
(my default shell is fish)
Here's the zsh/fish function:
...ANSWER
Answered 2020-Dec-07 at 18:26function fif
set -x RG_PREFIX rga --files-with-matches
set -l file
set file (
FZF_DEFAULT_COMMAND="$RG_PREFIX '$argv'" \
fzf --sort --preview="[ ! -z {} ] && rga --pretty --context 5 {q} {}" \
--phony -q "$argv" \
--bind "change:reload:$RG_PREFIX {q}" \
--preview-window="70%:wrap"
) &&
open "$file"
end
QUESTION
I am trying to run the below job/stage in .gitlab-ci.yml
...ANSWER
Answered 2020-Sep-14 at 11:34The docker image you choose to run your ci-stage uses an entrypoint that doesn't allow to run scripts with CMD, as is expected for the Docker executor from gitlab. You have to build your own image or you override the entrypoint in the .gitlab-ci.yml
QUESTION
I want to write a .sh-script that sends a message to my ejabberd-account. (the script is "called" by the apache2 standard-user "www-data").
The script should execute the following command: ejabberdctl send_message chat admin@my-domain user@my-domain "title" "my message"
However, I can't run any ejabberdctl command without "being" root. So sudo ejabberdctl
is not working (in terminal or any .sh-script). I can only do sudo -s
followed by ejabberdctl my-command
, which doesn't work in .sh-scripts (or am I wrong?).
(I've installed ejabberd 20.07 on ubuntu 20.04 with the help of this tutorial: Install Ejabberd...)
Is there a way to run a command in a .sh-script as "real root" or to create a root-session and run the command there (like I do manually with sudo -s ...
)?
Is there any solution to my problem or should I install ejabberd the "normal way"?
...ANSWER
Answered 2020-Sep-11 at 21:31When ejabberd is compiled and installed from source code, it's possible to prepare it with something like
QUESTION
I'm trying to set up a startup lifecycle configuration for a SageMaker sketchbook (which just ends up being a .sh file), and it seems like, regardless of what I do, my notebooks timeout on startup. I simplified everything as much as possible, to the point of commenting out all but #!/bin/bash
, and I still get a timeout. Checking cloudwatch this shows up in the log:
ANSWER
Answered 2020-Aug-11 at 16:55This is, indeed, to do with special character representation in different os' based on this you can use notepad++ to easily convert the dos representation a unix representation, then just "paste as plain text", and it works fine
- copy to notepad++ view
- show symbol
- show all symbols
- replace "/r" with nothing CRLF should become LF which is valid in unix
- copy and paste as plain text
Doing this fixed the problem
QUESTION
I found it on this thread: Best way to parse command line args in Bash?
And I'm trying to use it in this code: https://github.com/flyingfishfuse/bash-scripts/blob/master/debootstrap-ubuntu-18-04.sh
And this is the part I don't understand, specifically the third line.
...ANSWER
Answered 2020-Jan-20 at 13:08bash(1)
isn’t all that “magic,” though it certainly makes its users feel like wizards! The key to deciphering it is to know which manpages to look at. Or, if you are a language person (like me), to realize that bash is one little glue language; a bunch of other little languages are sprinkled on top of it in the form of little tools like grep(1)
, sed(1)
, awk(1)
, cut(1)
, etc.
So, let’s dig in:
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