Questions tagged [bash]
Most common system shell in Unix/Linux environments. Integrates very well with other softwares having a command line interface. Widely used in CI scripts and buildscripts.
0
votes
1answer
19 views
Add mapping ip and host into /etc/hosts with docker
I am using docker to scale my service.
I know there's a command called --add--host for adding host into /etc/host
However, I have a bunch of hosts need to be added. It's just too long to launch a ...
1
vote
0answers
10 views
How to launch a docker container from within a GitLab Shell runner?
Situation
My CI pipeline needs to do the following:
log into a VM and have access to a bash terminal
run a bash script that launches a Docker container with parameters (e.g. -it mode or providing ...
1
vote
2answers
28 views
Automatically write new bash history to change-log file
Every time I ssh into a server I might issue some bash commands and then sign off (hup signal?). Is there a way to write the shell commands that I issued on the server to some changelog file?
I want ...
0
votes
0answers
20 views
Environment variables inside the container during use “exec”
I want to run a command outside the container through "exec", which would be executed respectively inside the container. The command runs cmake, which uses environment variables that are already ...
0
votes
2answers
47 views
replacing values in shell script using sed [closed]
My shell script looks like this:
FAILED_REQUEST_DIRECTORY=/bla/bla2 \
java -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=1234 \
-jar /xyz/abc-service-1.0-SNAPSHOT.jar \
--...
1
vote
4answers
92 views
shell script to pass values properties file in java
I have a properties file that looks like this:
mysql.username=USERNAME
mysql.pass=PASS
I need to change USERNAME and PASS with variable values passed to shell script. I cannot use sed since that ...
1
vote
1answer
36 views
Bash Tokenization Errors on Jenkins JNLP Slave
Why might the below bash commands give me an error on a Jenkins JNLP slave in Kubernetes cluster? Each work on a local machine.
Error: Syntax error: redirection unexpected
IFS='/' read -r -a branch ...
1
vote
0answers
16 views
echo colon to file in cloud-init
So, I have this part in my cloud-init:
runcmd:
- echo : RSA 'node.crt' >> /etc/ipsec.secrets
I literally can't make it to work.
I tried these variations:
runcmd:
- echo : RSA 'node.crt' ...
0
votes
0answers
61 views
What is the best method to start and stop an application?
I have some scripts to start and stop a java application which using jenkins.
First option
Check the port and kill pid if java is running. And then start the application.
Second Option
Write the ...
2
votes
1answer
177 views
Automating the creation of an Apache virtual-host file specifically
When I create new web applications on my up-2-date Ubuntu-LAMP with Apache 2.4.x environment, I create their virtual-host files this way:
s_a="/etc/apache2/sites-available/"
s_e="/etc/apache2/sites-...
2
votes
1answer
72 views
Running consul in the background using Chef
I am trying to create a Chef cookbook that will run Hashicorp Consul in the background and will continue with the rest of the recipe and not get hung on starting Consul.
I have tried the & method ...
1
vote
1answer
24 views
How can I diagnose php cli command execution time inside a docker container
I've recently migrated an event subscription service called by a bash script from Ubuntu, into a Dockerised container.
The Docker image I am using is: FROM php:7.1-apache
The script itself is pretty ...
2
votes
1answer
84 views
How to make the Jenkins agent build then start the server?
I want the Jenkins agent to build and start the server.
I do this by specifying how to build and start the server in the Build step of the project configuration in Bash
echo "Installing dependencies"...
6
votes
1answer
457 views
How to keep configuration files automatically during apt-get upgrade or install?
When performing and apt-get update; apt-get upgrade -y on a server I encountered the message:
Setting up sudo (1.8.16-0ubuntu1.5) ...
Configuration file '/etc/sudoers'
==> Modified (by you or by ...
0
votes
0answers
29 views
Valid use case for environment variable with length of zero?
Are there any valid use cases for allowing an environment variable to have a length of 0?
$ FOO="" # why would anyone do this?
The use case is that I'm writing a utility that parses environment ...
1
vote
1answer
619 views
Docker exec environment different to container shell
I have a docker image that looks something like this:
FROM ubuntu:16.04
# Install packages for building ruby
RUN apt-get update && \
apt-get -y install build-essential git curl wget net-...
0
votes
3answers
3k views
Access vault secret from bash script
I am looking for help on a direction on where to go from here. I have a Hasicorp Vault server running and accessible over DNS (local). I need to have a script get a secret from it then use that secret....
3
votes
1answer
257 views
Jenkins hangs on Windows CMD build that has GUI
I am attempting to automate imports and exports of Oracle's PeopleSoft Application Designer. It is a GUI program but it can operate in the windows command line for certain tasks. This project has ...
0
votes
1answer
81 views
The right way to Ansiblically deploy environments directly from Github:
Can one deploy an environment for some Linux OS (say, Ubuntu) from a raw Github playbook in a way similar to this (I wonder if it's the correct syntax)?
bash <(curl -s https://raw....
5
votes
2answers
2k views
Interference of Docker CMD with su: works with su-exec but not with su?
In this bash script under Linux Alpine they have (line 8):
exec su-exec "$ZOO_USER" "$0" "$@"
As far as I know, su-exec is however an Apache httpd dependecy - can I avoid it installing it under ...
