Category Archives: GNU/Linux utils

Various GNU/Linux utilities and their usage examples

Linux: configuring KDE Connect and connection to an Android phone
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24 June 2020

A really nice Android phone and a Linux OS integration. Besides the KDE Connect, you can use gnome-shell-extension-gsconnect if you’d prefer the Gnome project. In this post, we will set up KDE COnnect between an Android HTC phone and Arch Linux. On Android install the KDE Connect from the Play Market. On Linux, install from… Read More »

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AWS Elastic Kubernetes Service: a cluster creation automation, part 2 – Ansible, eksctl
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1 May 2020

The first part – AWS Elastic Kubernetes Service: a cluster creation automation, part 1 – CloudFormation. To remind the whole idea is to create an automation process to create an EKS cluster: Ansible uses the cloudformation module to create an infrastructure by using an Outputs of the CloudFormation stack created – Ansible from a template will… Read More »

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AWS Elastic Kubernetes Service: a cluster creation automation, part 1 – CloudFormation
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24 April 2020

The task is: create automation to roll out an AWS Elastic Kubernetes Service cluster from scratch. Will use: Ansible: to automate CloudFormation stack creation and to execute eksctl with necessary parameters CloudFormation with NestedStacks: to create an infrastructure – VPC, subnets, SecurityGroups, IAM-roles, etc eksctl: to create a cluster itself using resources created by CloudFormation… Read More »

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Linux: processes core dumps, systemd-coredump and Debian
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14 March 2020

Need to get a dump from fro ma PHP process on Debian 9. In this post will take a Linux kernel mechanism to create and manage processes dumps. Kernel’s dumps are created in another way, check Kdump на Arch Wiki. Linux Core Dump The kernel will create a process dump if it performed an invalid… Read More »

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Linux: gnome-keyring setup as Freedesktop SecretService
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26 February 2020

Currently, I’m using KeePass as passwords, RSA-keys, and as the Freedesktop SecretService, see the KeePass: an MFA TOTP codes, a browser’s passwords, SSH keys passwords storage configuration and Secret Service integration post. The first issue I faced with during such a setup is the fact that KeePass’ database is synced between my computers (it’s database… Read More »

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KeePass: SSH keys passwords storage and decryption on Linux
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13 December 2019

As a follow-up to the SSH: RSA keys, and ssh-agent for SSH keys and their passwords management post. The idea now is to make simpler to work with password-protected SSH keys, to avoid the necessity to enter a password each time when you want to load a key to the ssh-agent. One of the possible… Read More »

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KeePass: an MFA TOTP codes, a browser’s passwords, SSH keys passwords storage configuration and Secret Service integration
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12 December 2019

So, this seems to be the last one post in the whole series about passwords and SSH management in Linux. The previous parts were about: Linux: the Nextcloud client, qtkeychain and the “The name org.freedesktop.secrets was not provided by any .service files” error – I found that a keyring service is able to store SSH… Read More »

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What is: Linux keyring, gnome-keyring, Secret Service, and D-Bus
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7 December 2019

It’s a really long-read post and I wast sure if it’s better to split it into three parts or put them together. On the one side, there are keyrings, from another – D-Bus, and finally, there is a Secret Service. Eventually, I decided to keep them here together as I googled all it in the… Read More »

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