Unix-style tools on Windows?

At work (a mostly Unix development shop), I've had an OS X box for the past 1.5 years and a Linux box before that. Due to various circumstances, I'll be getting a Windows XP laptop in the next few...

What is the simplest way of parallelization over a cluster with SSH and NFS?

I have a lot of trivially parallelizable computations and a lot (100s) of cores distributed overs SSH + NFS network. What is the simplest way of parallelization. The problem is that I don't know...

How to open port 8000 on Ubuntu 12.04?

On my Ubuntu 12.04 VM an app (Tryton) is running correctly on port 8000, when used locally. However, from outside I cannot connect to port 8000 via Internet. (Beforehand, I was using Windows Azure...

Xamarin, Windows 10 Parallels and connecting to a MAC based Android Emulator

I am trying to get my Parallels Visual Studio install to talk to the Android Studio Emulators on my MAC (for whatever reason I am struggling to start the windows ones such as Android Player /...

Failed to execute goal org.apache.maven.plugins: maven-assembly-plugin (GroupId cannot be empty)

I am very much new to maven and Oozie, when i am using the command, ./mkdistro.sh -DskipTests -Dmaven.javadoc.skip=true to build oozie from Oozie-3.3.2 bin folder, i am getting some error...

How to avoid <defunct> processes?

I do ZFS remote replication from a master host to a slave host, where I have a Perl script that runs on the master host. For each filesystem it ssh to the remote host and start mbuffer in...

Jsoup executing concurrently throws UnknownHostException

I try to run Jsoup (version 1.11.2) in parallel with this code: public class JsoupParallelRunner { private static String[] urls = { ... some URLs ...} public static void main(String... args)...

How to execute 'su' command using parallel-ssh

I want to log in to two hosts using parallel-ssh and execute su command. Then I want to confirm that I am the root user by printing out whoami Code: hosts = ['myHost1', 'myHost2'] client =...

.gitlab-ci.yml Gitlab Deploy SFTP Not Working

deploy: stage: deploy script: - apt-get update -qq && apt-get install -y -qq lftp #- lftp -u $DEPLOY_USER,$SFTP_PASSWORD $DEPLOY_HOST -e "mirror -e -R -p ./dist/ new/ ; quit" -...

Timeout on sshClient.RunCommand C#

I have a C# code in which I am executing on Visual Studio 2017. My aim is to start multiple threads in parallel and connect to different IPs via SSH, execute a command on these devices and return...

pq: could not resize shared memory segment. No space left on device

I have on a dashboard, a number of panels (numbering around 6)to display data points chart making queries to dockerised instance of PostgreSQL database. Panels were working fine until very...

Jenkins unable to create directory '/var/lib/jenkins/.ssh' when ssh into EC2

Problem: During my Jenkins process I am able to establish a connection with the EC2 instance I want to copy files to but I keep getting the following errors: Could not create directory...

GitLab Runner Parallels Executor & Windows 10 VM - Stuck "Creating new VM..."

Summary Hi, I originally posted an issue of what I believe to be a bug with GitLab Runner, but have sadly received no response on the GitLab-Runner repository. I'm using Parallels Executor in...

Jenkins : java.lang.NoSuchMethodError: No such DSL method '$' found among steps

I am trying to read a file inside jenkins pipeline. #!groovy // pipeline config def javaAgent = 'build && java' def environment = "test" def machineName =...

How to run remote script on multiple host simultaneously

I have a great amount of Linux servers to maintain. Frequently I need to run a script (script.sh) on all of them to get the health status, this script usually takes about 30-40 seconds to give an...

Getting error after Jenkins update: java.lang.NoSuchMethodError: No such DSL method 'pipeline' found among steps

My Jenkins pipeline is failing after I updated by Jenkins version from 2.224 to 2.234 along with all the plugins to the latest version. Below is my pipeline script which was working fine with...

Windows: rsync working in msys but not cygwin (git bash)

I'm connecting from a Windows 10 box to a Linux system. I'm using msys and git bash in parallel. I want to sync files on the Linux machine using rsync. Currently it is working in msys but not in...

How can I publish a blazor client/server app to a linux web server? Don't have access to ssh and dotnet publish doesn't give an index.html

I've built a blazor app that has no issues at the moment. When I call "dotnet publish -c Release" I get a published project, except the output is an executable file that ubuntu picks up as an...

java.lang.NoSuchMethodError: No such DSL method 'ci' found among steps when using jenkins shared library

I am using jenkins shared library to build my project, this is my shared library directory structure: this is my ci.groovy call method: #!groovy def call(String type,Map map) { if (type ==...

Failed building wheel for ssh-python

When I try to install parallel ssh I get this error in red for some reason.I think the problem is with open ssl and with building wheel for ssh2-python Building wheels for collected packages:...

Multithread request handling in node.js (deployed in Kubernetes and behind Nginx)

I have a single-threaded, web-based, CPU intensive workload implemented as a Node.js server (express) and being deployed on Kubernetes with no CPU requests/limits (best effort). This workload, on...

Dokku: failed to push some refs

I have a asp.net core 3.1 application that I am trying to deploy using dokku to my Ubuntu 20 VM on digital ocean. I have installed Dokku on my Droplet and and I am failing at the git push...

Jenkins-pipeline fail : No such DSL method 'androidLint' found among steps

I get a failure for the stage 'Static analysis' during my jenkins-pipeline. Here is my Jenkinsfile : pipeline { agent any stages { stage('Compile') { steps { // Compile the...

How to send passphrase for ssh-add with GitHub Actions?

My goal is to store private key with passphrase in GitHub secrets, but I don't know how to enter the passphrase through GitHub actions. What I've tried: I created a private key without passphrase...

Python subprocess.Popen + ffmpeg breaks terminal input

I was writing a module to create random screenshots from a video and used subprocess.Popen to run multiple commands in parallel but this leads to terminal refusing from showing any input once the...

Run multiple commands in different SSH servers in parallel using Python Paramiko

I have an SSH.py with the goal of connecting to many servers over SSH to run a Python script (worker.py). I am using Paramiko, but am very new to it and learning as I go. On each server I ssh over...

ssh and scp through jenkins pipeline

I am new to jenkins, i was trying to establish a ssh connection using withcredentials, with pipeline. when i use the plugins like ssh, easy2 ssh, I am able to connect to remote host and execute...

How to run ssh connection in parallel while running multiple commands Linux

I am trying to understand best way to run multiple command on a remote host with ssh in a parallel way and Display the output on the screen while squeezing the warning and errors on the...

Cocoapods push to private repo fails validation with unclear error - xcodebuild: Returned an unsuccessful exit code

I am trying to update a rather old cocoapod we use at my current employer. The cocoapod was in a GitHub repo that we removed and we are trying to move it to the new repo. I have updated the...

Cypress - Timed out retrying after 4000ms: Expected to find element - only in Jenkins

I have a grouping of Cypress tests that are failing, only in my Jenkins environment. An entire describe block is failing to find an element. Every test in the block starts with the same...