How to turn off INFO logging in Spark?

I installed Spark using the AWS EC2 guide and I can launch the program fine using the bin/pyspark script to get to the spark prompt and can also do the Quick Start quide successfully. However, I...

enable to program FPGA

I'm trying to program the FPGA and boot over an SD card in xc7z020-clg400-1 zynq chip inside parallella, I can't figure out where is the problem, I have did vivado design , generate bitstream,...

Docker Volume not mounting any files

I'm trying to mount my source files to a directory in docker located at /var/dynamo. I'd like to be able to run Docker locally and use my local files as I am working. with the run command: docker...

What is the meaning of ImagePullBackOff status on a Kubernetes pod?

I'm trying to run my first kubernetes pod locally. I've run the following command (from here): export ARCH=amd64 docker run -d \ --volume=/:/rootfs:ro \ --volume=/sys:/sys:ro \ ...

Docker cannot resolve DNS on private network

My machine is on a private network with private DNS servers, and a private zone for DNS resolution. I can resolve hosts on this zone from my host machine, but I cannot resolve them from containers...

AWS CloudFormation 'UserData' Doesn't seem to work

I'm writing an AWS CloudFormation script to build an EC2 instance. I'd like to provision the instance by installing some packages, downloading some repos and running some scripts. Amazon tells me...

Refused to connect to virtual host on localhost

I have followed the following tutorial for setting up a localhost on macOS Yosemite. The tutorial does the following things: We set up Apache (with Homebrew) to run on boot on ports 8080 and 8443...

How to change docker daemon root directory in CentOS7

I am running docker in CentOS7. I'd like to change my basic directory from /var/lib/docker to /data/docker. I found this guide from official site, but do not know how to apply this to my case. I...

Connect consul agent to consul

I'm trying to setup the consul server and connect an agent to it for 2 or 3 days already. I'm using docker-compose. But after performing a join operation, agent gets a message "Agent not live or...

How to read SharePoint Online (Office365) Excel files in Python with Work or School Account?

I am a university student and I have registered as an Office 365 Education user via my university Email address. I usually log into https://www.office.com with my Email account: [email protected] The...

Vault TLS on Docker - cannot validate certificate for 127.0.0.1 because it doesn't contain any IP SANs

I'm trying to run TLS on Valut using docker. At first generate certificates and run docker container with Vault server mode. After that I run vault init command that returns error: Error...

Errors setting um WeaveNet in Kubernetes with "peer names collision"

i am setting up a Kubernetes-Cluser and can't get the weave network up properly. I have 3 nodes: rowlf (master), rizzo and fozzie. The pods are looking fine: NAMESPACE NAME ...

kubedns can not start with "Failed to list *v1.Endpoints: Unauthorized" and "Failed to list *v1.Service: Unauthorized"

I have a problem when I install the kube-dns add on. My OS is CentOS Linux release 7.0.1406 (Core) Kernel:Linux master 3.10.0-693.el7.x86_64 #1 SMP Tue Aug 22 21:09:27 UTC 2017 x86_64 x86_64...

Eureka Application starts up clean but browser gets 404 (Application is not being hosted at the expected address)?

Full log of startup is below. When I navigate to: http://localhost:8010/eureka there is no log output of the event so obviously the address is bad. ... ... My URL defined in POM...

Android Virtual Device closes immediately after opening

My current problem is as soon as I try running ANY Android Virtual Device, it closes shortly after it starts. It never gets to a start screen, just black then closes. I've tried switching from...

I can't seem to get Fail2ban to successfully ban IP addresses that are trying to authenticate against our email server

Recently, my manager installed fail2ban on our ubuntu 10.04 email server to ban ip addresses that failed to authenticate to our email server. As we monitor the system, we don't see the IPs that...

Traefik http shows text on page, but https shows "404 page not found"

I want to be able to visit the https of my site which just shows text but it shows a 404 error message. The error is 404 page not found I don't have tls set up but I was under the impression that...

Why spring application is not able to connect to couchbase when running using docker compose

I am trying to run my spring boot application using the docker-compose file but the service running inside the docker container is not able to connect to the database container. Below is the...

Proper sudoers user / session setup for xrdp and systemd-modules-load / auditd fails in a WSL2 openSUSE-Leap-15.2 environment

I've managed it to successfully run xrdp in an openSUSE-Leap-15.2 WSL 2 Linux subsystem on my Windows 10 64 PC. My Linux knowledge is not that great. I use KDE (startplasma-x11) as desktop for...

Why are there some warnings when cross compiling Apache (httpd-2.4.46)?

When I cross-compile httpd-2.4.46, follow this link and fix this issue1 and issue2 and issue3, then configure and compile. Note: my system is Debian. Step 1: install apr cd apr-1.6.5/ ./configure...

andorid emulator displays black screen after build aosp

I met a problem when I launched the android emulator after build aosp successfully, emulator showed a black screen. Have you met this problem before? this is my environment CPU: AMD Ryzen 7...

Jenkins helm chart not updating plugins

I am having a problem with jenkins kubernetes pod that stopped working after the last pod restart (done by kubernetes). So, I am having errors like this in my log: 2021-02-05 11:00:55.856+0000...

Kubernetes not initiallzing control plane on Fedora Server 33

EDIT: So I've been poking around with making sure that IP traffic can flow from docker to kubernetes (refered to https://fedoramagazine.org/docker-and-fedora-32/) and after that I have a change in...

Unable to put Vault UI in https

I try to run Vault with a CRC OpenShift 4.7 and helm3 but I've some problems when I try to enable the UI in https. Add hashicorp repo : helm repo add hashicorp...

Pods can't ping each other in a kubernetes cluster spawned over nodes from two different subnets

I am trying to bring up an on-prem k8 cluster using kubespray with 3 master and 5 worker nodes. The node IPs are from 2 different subnets. Ansible inventory: hosts: saba-k8-vm-m1: ansible_host:...

Unable to build Docker images through Jenkins installed on Kubernetes

I used the following helm chart to install Jenkins https://artifacthub.io/packages/helm/jenkinsci/jenkins The problem is it does't build docker images, saying there's no docker. Docker was...

Video with angular

I am trying to run an example of video from the Internet but [vgMedia} is underlinde and the code wont run. I couldn't find a solution but I think I miss something but don't know what. Ther error...

Api Gateway websocket $connect gets a 400 from the http integration point but it works for other routes

I have a problem with my HTTP integration for an AWS API Gateway that uses WEBSOCKET These are the main characteristics of my configuration (it can be viewed in detail in the cloud formation...

Applying the macvlan static ip to pod

I'm currently testing macvlan configurations with multus and calico and have 2 questions. First question is that I created a macvlan network as below: apiVersion: "k8s.cni.cncf.io/v1" kind:...

How to expose traefik v2 dashboard in k3d/k3s via configuration?

*Cross-posted to k3d github discussions, to a thread in Rancher forums, and to traefik's community discussion board Tutorials from 2020 refer to editing the traefik configmap. Where did it go? The...