cloud-lab | Docker based Cloud Lab Center , with noVNC and Gateone | Continuous Deployment library
kandi X-RAY | cloud-lab Summary
kandi X-RAY | cloud-lab Summary
Cloud Lab is a Docker based online lab center, it integrates many popular computer science courses and provides a Docker based experiment environment as-is. Cloud Lab is open source with no warranty – use at your own risk.
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QUESTION
I have a tag list that has mostly tags that start with a hyphen. I want to remove or hide all tags that DO NOT have this character. Because of limited access to code, it has to be done with jQuery/javascript. My attempt doesn't work, how to fix?
Here is my HTML:
...ANSWER
Answered 2020-Mar-12 at 23:08$('.label-size').each((element) => {
element.textContent.indexOf('-') >= 0 ? element.remove() : null;
});
QUESTION
I have a div element inside of it I have some links. I want the colour of the div to change on mouse hover not to full length of width but only 25% of the div.
When I use the hover properties, it changes the colour of the entire div. Also please suggest which tag I should put my hover properties- span tag or a tag.
How can I get a smooth transition animation during the colour change?
...ANSWER
Answered 2019-Sep-28 at 16:13not to full length of width but only 25% of the div
You can use linear-gradient
for this.
Also please suggest which tag I should put my hover properties- span tag or a tag
In principle, this does not require additional tags
How can I get a smooth transition animation during the colour change?
When hovering, you need to change the property background-position
from one to other side (for example, from left to right).
QUESTION
I was following along with the guide located here trying to make a GUI with PowerShell, and it all goes well except I have a DataGrid that needs to be populated in my GUI.
In my XML grid I have:
...ANSWER
Answered 2018-Sep-20 at 04:40Before we get too far into it, you can't use a DataGridView in WPF (which is what I'll be showing you here). You can, however, use a DataGrid instead which is pretty much the same thing (and wayyyy shorter and easier in PowerShell than Windows Forms, which is what POSHGUI uses (awesome tool though it is).
If you're still interested though, here's a super basic walkthrough of how you could do this. First, to define the XAML
QUESTION
I have created kops cluster and elasticsearch logging as below.
...ANSWER
Answered 2019-Mar-21 at 09:17This is happening because it takes some time to find optimal setup of ELK.
If you check log of kibana-logging
container, you will see these output:
QUESTION
I am creating a cluster using the following command:
kops create cluster --zones us-west-1c --master-size=m4.large --node-size=m5.large ${NAME} --associate-public-ip=false --topology private --api-loadbalancer-type internal --networking calico --vpc vpc-xxxxxxxx --cloud-labels="Creator=revor,Description=YM k8 cluster,ENV=int,Name=SMV_INT_YMK8,Requestor=Rey Reymond,code=5483"
The cluster gets created in aws. So far so good. But the problem is, when I run kops validate cluster
I get:
Validating cluster xxx.xxx.xx unexpected error during validation: error listing nodes: Get https://api. xxx.xxx.xx/api/v1/nodes: dial tcp 172.30.xx.xx:443: getsockopt: connection refused
and when I run kubectl get nodes
I get:
Unable to connect to the server: dial tcp 172.30.xx.xx:443: i/o timeout
Also when I run ssh -i ~/.ssh/id_rsa admin@api.xxx.xxx.xx
I get:
sh: connect to host api. xxx.xxx.xx port 22: Connection refused
My question is why I cannot connect to my cluster and why I'm getting the above errors?
As the above command shows, my cluster is defined to have a private topology and no public IP addresses and an internal loadbalancer. I'm wondering if that mean I should not be able to connect to my cluster and the above errors are expected?
...ANSWER
Answered 2018-Jun-11 at 08:30If all your instances are private, that is expected. I bet your xxx.xxx.xx
is in some private IP range like 172.x.x.x
. The usual approach to this is to create an EC2 instance with public IP address in a public network, connect to this instance and then connect to your private instances from this public instance. Such instance is generally referred to as bastion host. You will, of course, have to modify VPC security groups to allow access from your public subnet to your private subnet.
Take a look at https://docs.aws.amazon.com/quickstart/latest/linux-bastion/welcome.html for AWS-provided guides.
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