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Questions tagged [linux]

Linux is the generic term for a UNIX-like open source operating system based on the Linux kernel. Use this tag for questions about DevOps practices, processes and tools in Linux environments.

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3 votes
1 answer
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Is running linux container on windows aws instance possible?

what I'm trying to achieve is running a Linux(ubuntu LST) container inside a windows server 2019 OS. The problem is that the windows OS runs as an AWS instance. There have been problem for me trying ...
dor00012's user avatar
  • 131
3 votes
0 answers
1k views

Remote connection from Docker container by FTP

I built my docker image and run it: docker run --rm -P -d test:latest Then I entered the command and opened connection: ftp open XXX I successfully connected and entered user data. After that I ...
Leonid's user avatar
  • 91
2 votes
0 answers
22 views

Linux Cloud/Windows On Prem Deployments

I have sort of a unique problem where I have a cloud deployment (linux) that needs to be ported to an on-premise deployment (windows). The constraint is that this is medical software and hospitals ...
Gillespie's user avatar
  • 121
2 votes
1 answer
328 views

Docker performance when running on LVM

It seems that when using overlay2 storage driver, docker is much slower when using a LVM compared to without a LVM (ext4 filesystem in both cases, same machine). Questions: Is this intended/expected? ...
MRalwasser's user avatar
2 votes
0 answers
1k views

Ansible/AWS dynamic inventory -- How to create groups based on tags?

I am trying to create custom groups, based on tags. I am using this doc as a reference: https://docs.ansible.com/ansible/latest/plugins/inventory.html#inventory-plugins As a baseline, in my aws_ec2....
synth45's user avatar
  • 71
2 votes
0 answers
62 views

Issue building deb package using Docker/Windows

I am trying to create a way for our developers to be able to build deb packages from their Windows machines. We would like to reuse what we have for *nix so I've written a few batch scripts which are ...
joshk132's user avatar
  • 465
1 vote
1 answer
4k views

Unable to connect to the server: tls: failed to verify certificate: x509: certificate signed by unknown authority

I am facing issue when trying to import k8s cluster in Rancher. here are the logs of when trying to run the commands: Commnad: curl --insecure -sfL https://172.31.91.168/v3/import/...
Abdullah Manzoor's user avatar
0 votes
0 answers
9 views

Why aren't the iptables `pkts` and `bytes` count getting updated for Docker Containers, on receiving tcp packets?

I'm currently running NixOS-23.11, without any special configuration for docker, just the default install from nixpkgs. I have the following Dockerfile definition: FROM alpine:latest COPY ./index.html ...
Noel Kwan's user avatar
0 votes
1 answer
395 views

Ansible - 'loop' requires a list and got a list, but doesn't work

Minimal reproducible example: role/defaults/main.yaml: node_sysctl: kernel.shmall: 197951838 kernel.shmmax: 810810728448 kernel.shmmni: 4096 role/tasks/main.yaml: - name: Tune sysctl sysctl: ...
adoring_ellis's user avatar
0 votes
0 answers
95 views

Permission denied when mounting volume with podman in fedora

I use a docker-compose.yml file to boot my containers. My container mount to a external volume which targets a directory inside my user profile (postgres database files). However, after switching from ...
mesx's user avatar
  • 101
0 votes
0 answers
18 views

How to make master node and worker nodes before installing kubernetes on Ubuntu?

I am trying to install kubernetes on my Ubuntu 22.04 os. I found blogs and videos in Youtube but failed and deleted all. I had hard time when making master node and worker nodes because there was no ...
ekfqlc's user avatar
  • 1
0 votes
2 answers
101 views

Using docker as a substitute for VM for testing

I'm new to docker and I want to start using it in the following scenario. For example, I need to implement an Asp.Net Core Web API and deploy it to a linux system. The development is done on a Windows ...
Max's user avatar
  • 101
0 votes
1 answer
116 views

How to make a CI/CD of an ASP.net core app to Linux compute engine instance

I'm using Google cloud, I have a linux VM up and ready for use, I have an ASP.net core web app on Azure devops. I have configured the build pipeline for this webapp, now I want to automate its ...
Damien Doumer's user avatar
0 votes
0 answers
31 views

Implementing the right conditions for a yum command for centos5 in Ansible

I'm currently working with a centos5 host and I have to install some packages with yum. Unfortunately, as far as I know, centos5 doesn't support Ansible's yum module, since it requires python2 ...
Wander's user avatar
  • 9
0 votes
1 answer
546 views

Where is located mysqldump log file on Linux/Ubuntu

I am neither a DB administrator, nor a DevOps but I need to migrate a very large table (~500M rows) from one MySQL schema to another. For doing so, I use mysqldumpbackup tool. Also, since the DB is an ...
Armine's user avatar
  • 71