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How does mdadm decide which disk to read from in mirrored arrays?

What exactly is the logic used to decide which block to read from diskA vs diskB in a mirrored array? Thanks
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Create init.d Apache service for multiple instances on debian

I am trying to install a second instance of apache on debian. I used the multiple instance script. during the installation it says: [email protected]:/usr/share/doc/apache2/examples# sudo sh setup-...
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How to increase available disk space in thinly provisioned VM?

I created a thinly provisioned CentOS VM on an ESXi instance. To use nice numbers, let's say I configured a max disk space of 500 GB. After installing the OS and booting, when I open File Manager and ...
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0answers
10 views

Runtime invalid argument

Im following this info to setup my cloud platform https://github.com/Jaycar-Electronics/Motherload-Datalogger I keep getting this error for Node.js 8 runtime The request contains invalid arguments ...
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1answer
7 views

Symlink with execution permission and… arguments?

I am using Linux Mint 20.1, which is based on Ubuntu 20.04. My kernel is 5.4.0-60-generic. All the commands below are runned in GNU bash, version 5.0.17(1)-release (x86_64-pc-linux-gnu) I have seen ...
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1answer
7 views

Implementing Reverse DNS in a Live Environment

I've been tasked with implementing reverse DNS internally in our Windows environment. What are some risks I should watch out for, and what is the best way to setup a test environment for changes like ...
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0answers
12 views

AWS Cloud Front, how to request origin using correct url

I'm trying to cache a website on an EC2 using the URL xyz.com, so i created an Cloud Front with the origin pointed to xyz.com, But all information returned by the server (like button urls) are not ...
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0answers
9 views

Create GRUB Entry for Booting into CentOS Installation Media

Normally when installing CentOS 7, you download the ISO, write it to a thumb drive and boot it. However, I have a unique scenario where I'd like to be able to place the CentOS 7 installation files on ...
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0answers
7 views

How does btrfs distribute chunks of large files when writing

If I have 8 drives in raid1 configuration for a btrfs volume. I know it parities the data by blocks/chunks, so that any one chunk always has 2 copies. But when I copy a large file, say 50GB, does it ...
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0answers
14 views

SSH closes on yum update and breaks update. Need to update multiple machines via ansible while bypassing this issue

I'm trying to run yum update -y on multiple machines via ansible. Currently I am in testing mode, where I spin up machines solely to test how it'll work. Here's the code: - name: Run yum updates ...
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0answers
11 views

Using winexe on linux to start notepad on windows server

This question is related to running notepad on a remote machine. Server A: Windows Server 2019(user is administrator) Client B: Calling notepad.exe on server A and running it on the server A Window's ...
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0answers
8 views

How to monitor datadog-agent's certificates expiration?

I have an nginx-pod which redirects traffic into Kubernetes services and stores related certificates insides its volume. I want to monitor these certificates - mainly their expiration. I found out ...
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3answers
25 views

Pointing My Domain Name to my VPS

I have purchased a domain name and I asked them how to bind to my VPS. They answered, I should either use a control panel or create my own DNS server. So following guidelines about how to install BIND ...
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0answers
22 views

Cheap and easy way to deploy a web application

Me and my fried have been developing our first web application. While we are almost done with the development side of things, we are still not sure how we should deploy the application. Here are some ...
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0answers
10 views

Reduce daemon mailer information

I want to reduce the info that the Mailer Daemon Postfix contribute when my server can't delivery an email because don't exist an account. I have my template "bounce.cf.default" but below ...

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