shell | : maple_leaf : Centos运维常用工具 | Script Programming library
kandi X-RAY | shell Summary
kandi X-RAY | shell Summary
:maple_leaf: Centos运维常用工具
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of shell
shell Key Features
shell Examples and Code Snippets
def run_shell_cmd(args):
"""Executes shell commands and returns output.
Args:
args: String of shell commands to run.
Returns:
Tuple output (stdoutdata, stderrdata) from running the shell commands.
"""
proc = subprocess.Popen(
def run_shell(cmd, allow_non_zero=False, stderr=None):
if stderr is None:
stderr = sys.stdout
if allow_non_zero:
try:
output = subprocess.check_output(cmd, stderr=stderr)
except subprocess.CalledProcessError as e:
output =
Community Discussions
Trending Discussions on shell
QUESTION
I see that jq
can calculate addition as simply as jq 'map(.duration) | add'
but I've got a more complex command and I can't figure out how to perform this add
at the end of it.
I'm starting with data like this:
...ANSWER
Answered 2021-Jun-15 at 22:54If any of your output is going to be raw, you need to pass -r
; it'll just be ignored for data items that aren't strings.
Anyhow -- if you write (expr1, expr2)
, then your input will be passed through both expressions. Thus:
QUESTION
Or, more specifically, does it use the default shell, or actually running the actual file. Example: system("echo Hello, World!")
. Would this run using, lets say Bash, or would this run by telling to kernal to run a command? Also, is this on topic, or would this fit better somewhere else?
ANSWER
Answered 2021-Jun-15 at 21:28man system
is your friend here. This is what is says on my system:
The system() library function uses fork(2) to create a child process that executes the shell command specified in command using execl(3) as follows:
QUESTION
So I created a poll model in my Django app. I'm going thorugh the polling app tutorial posted on the Django website, however, I'm using a remote MySQL database rather than a SQLite database.
...ANSWER
Answered 2021-Jun-15 at 20:06I'm thinking the suspect is an unsuccessful migration. Let's undo it and try again
QUESTION
Ansible 2.11.0
I have a shell script that accepts 2 parameters that I want to run on a Windows host, but want to run it inside git-bash.exe
. I've tried this,
ANSWER
Answered 2021-Jun-15 at 17:47be aware I don't have a Windows machine against which to try this, so it's just "best effort"
As best I can tell, your problem is because you are trying to recreate the behavior of win_shell
by "manually" invoking that improperly quoted cmd.exe /c
business, ending up with cmd.exe /c "cmd.exe /c whatever"
; dialing up the ansible verbosity -vv
could confirm or deny that pattern
Also, the win_shell
docs say to use win_command:
unless you have a shell redirect need, which as written your task does not.
QUESTION
I create a Pentest tool for educational purposes, so the old version was written using python 2, then I convert it to python 3 and when I try to run the main file pxxtf.py
I got multiple errors, I correct most of them but for this one about Circular Import, I try multiple fixes from forums and StackOverFlow and nothing work with me.
When I try to run the main script :
...ANSWER
Answered 2021-Jun-15 at 14:05The error message is saying it all: "most likely due to a circular import".
pxxtf.py
QUESTION
Not able to assign variable under for loop in salt stack
...ANSWER
Answered 2021-Jun-15 at 12:27{% set prli = ['httpd','rhnsd'] %}
{% for usr in prli %}
{% set pro = salt['cmd.shell']('ps -eaf | grep -i' ~ usr ~ '| wc -l') %}
{{ usr }}:
cmd.run:
- name: echo "{{ usr }} {{ pro }}"
{% endfor %}
QUESTION
We are experimenting with Jetbrains Space as our code repo and CI/CD. We are trying to find a way to setup the .space.kts
file to deploy to AWS Lambda.
We want the develop
branch to publish to the Lambda $Latest
and when we merge to the main
branch from the develop
branch we want it to publish a new Lambda version and link that version to the alias pro
.
I've looked around but haven't found anything that would suggest there is a pre-built solution for controlling AWS Lambda so my current thinking is something like this:
...ANSWER
Answered 2021-Jun-15 at 11:09There is no built-in DSL for interacting with AWS.
If you want a solution that is more type-safe than plain shellScript
, and maybe reuse data between multiple calls etc, you can still use Kotlin code directly (in a kotlinScript
block instead of shellScript
).
You can specify maven dependencies for your .space.kts
script via the @DependsOn
annotation, which you can use for instance to add modules from the AWS Java SDK:
QUESTION
I am a member of my company organization. SSH keys associated with my account. Nothing works as expected. I am trying to push my branch
...ANSWER
Answered 2021-Jun-15 at 07:34First, make sure that https://github.com/mycomp/repo-pr does exist (meaning the case, uper or lower, of the URL is correct)
Second, check that you are correctly authenticated by GitHub through SSH:
QUESTION
I'm new to Django. I've defined 2 tables and have set a foreign key. So I want to link the column note from table Comment to the column id from table Note.
As I'm using PostgreSQL, when I check the psql shell, the name of the column note will be displayed as note_id.
So for using in template, if I use something like comment.note
, it prints the "quick_note" of the note table, which I don't want that. I want to get the "id" of the related post to the current comment, not the quick_note of the related post. But if I use something like comments.note_id
, it shows the id of the related post, which is what I expect to get.
Also in the admin panel, I see a field of note: that shows related quick_note not id. How can I fix it that admin panel show the related id? So here I want the id of related post to be shown in front of note:.
This is my model.py:
...ANSWER
Answered 2021-Jun-15 at 06:31This is the behavior of Django, the foreignKey field points to an object while field_id maps to primary key of the object, this important in case of assignment as if you try to save
QUESTION
I am able to do most things inside the dir, but I can't cd out of it, trying /bin/sh causes the shell to freeze.
...ANSWER
Answered 2021-Jun-14 at 22:06Because everytime you send a command a new shell is created in the original folder.
To set an other working directory you have to send cd /to/other/dir && yourcommand
You can try setting the root folder for the new shell terminal:
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