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Andrey Arapov

Andrey Arapov

"If you want to live a happy life, tie it to a goal, not to people or things." - Albert Einstein

13 posts •
time lock and HODL
bitcoin

time lock and HODL

Cannot HODL when the market is falling? Here is a solution for you.

  • Andrey Arapov
    Andrey Arapov
4 min read
Booting VM off raw disks in Windows
virtualbox

Booting VM off raw disks in Windows

Goal is simple - boot a VM off the raw disks in Windows. I will use VirtualBox as hypervisor and one 512 GB (disk 4) + two 4 TB disks (disk 1 & disk

  • Andrey Arapov
    Andrey Arapov
4 min read
Removing LUKS encryption from a root device in-place
luks

Removing LUKS encryption from a root device in-place

How to remove LUKS encryption from a root device in-place

  • Andrey Arapov
    Andrey Arapov
1 min read
Docker Swarm and health check
docker

Docker Swarm and health check

This example shows how health check works in Docker Swarm and how it heals the service.

  • Andrey Arapov
    Andrey Arapov
1 min read
Redeploying Kubernetes master server
kubernetes

Redeploying Kubernetes master server

Redeploying Kubernetes master server with minimum impact and no client/consumer action required.

  • Andrey Arapov
    Andrey Arapov
3 min read
Linux on mid-2017 MacBookPro
linux

Linux on mid-2017 MacBookPro

Last updated on 30 December 2019. Intro This article describes how to install Ubuntu Linux on your MacBookPro. Hardware Apple MacBook Pro "Core i7 2.9 15" Touch/Mid-2017 with AMD

  • Andrey Arapov
    Andrey Arapov
13 min read
Servers froze as Openstack lost free space
openstack

Servers froze as Openstack lost free space

I am running this website along with plenty of other, mostly personal, services in Kubernetes on top of Openstack Pike deployed in Docker using kolla project 5.0.1. The VMs are running

  • Andrey Arapov
    Andrey Arapov
26 min read
Block ads with Pi-hole
pihole

Block ads with Pi-hole

Block ads with Pi-hole It has been a wonder to find Pi-hole - a black hole for Internet advertisements. Relatively easy to spin it up, I have been able to do so on

  • Andrey Arapov
    Andrey Arapov
1 min read
Moved to Ghost
News

Moved to Ghost

Dear visitor, This site has been switched to the new blogging platform Ghost. The previous site is available at this address. All 70 links to the old blog should automatically redirect you there

  • Andrey Arapov
    Andrey Arapov
1 min read
Using GPG inside a Docker container
gpg

Using GPG inside a Docker container

One day you may need to run a GPG 2.x inside a Docker container. In Ubuntu Artful the gpg-agent creates its agent-socket under /run/user, instead of $GNUPGHOME/ which by default is

  • Andrey Arapov
    Andrey Arapov
1 min read
HiDPI display on Ubuntu 17.10 and font size
ubuntu

HiDPI display on Ubuntu 17.10 and font size

I have noticed the fonts are way too small in Ubuntu 17.10 on my laptop with 2560x1440 screen size. I found that people "solve" this by enabling fractional scaling in

  • Andrey Arapov
    Andrey Arapov
2 min read
Disable Zeitgeist in Ubuntu 16, 17
privacy

Disable Zeitgeist in Ubuntu 16, 17

Zeitgeist is a service which logs the user's activities and events (files opened, websites visited, conversations hold with other people, etc.) and makes the information available to other applications. Below are the steps

  • Andrey Arapov
    Andrey Arapov
1 min read
Deploying Kubernetes cluster from scratch
kubernetes

Deploying Kubernetes cluster from scratch

Deploying Kubernetes cluster from scratch Kubernetes is a production-grade container orchestrator. I wrote this guide in a way that you should be able to get your Kubernetes cluster running as simple as going

  • Andrey Arapov
    Andrey Arapov
23 min read
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