Category Archives: HOWTO’s

NextCloud: installing server on Debian behind NGINX with PHP-FPM and client on Arch Linux
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17 March 2019

After the news that Dropbox adds a new limitation for users by the three devices only – I’m finally ready to install my own NextCloud to store and synchronize data. The sad thing is not exactly the three devices limit (and it will be applied for a new users only – old user who already… Read More: NextCloud: installing server on Debian behind NGINX with PHP-FPM and… »

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What is: YAML – its overview, basic data types, YAML vs JSON, and PyYAML
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14 March 2019

YAML – is one of the most popular formats of the… Well, actually, they don’t know the format of what… Originally it was the «Yet Another Markup Language», later it became «YAML Ain’t Markup Language»: Originally YAML was said to mean Yet Another Markup Language,[12] referencing its purpose as a markup languagewith the yet another construct, but it was then… Read More: What is: YAML – its overview, basic data types, YAML… »

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Ansible: check if a package is installed on a remote system
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10 March 2019

Have a self-written letsencrypt role (see the Prometheus: RTFM blog monitoring set up with Ansible – Grafana, Loki, and promtail post). Before running the Let’s Encrypt client to obtain a new certificate – need to check if NGINX is installed on a remote host. Let’s use the package_facts module: … – name: “Check if NGINX is… Read More: Ansible: check if a package is installed on a remote… »

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Prometheus: RTFM blog monitoring set up with Ansible – Grafana, Loki, and promtail
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10 March 2019

After implementing the Loki system on my job’s project – I decided to add it for myself, so see my RTFM blog server’s logs. Also – want to add the node_exporter and alertmanager, to be notified about high disk usage. In this post, I’ll describe the Prometheus, node_exporter, Grafana, Loki, and promtail set up process… Read More: Prometheus: RTFM blog monitoring set up with Ansible – Grafana,… »

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OpenVPN – auto-start on Linux
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8 March 2019

I have an OpenVPN AS server running on EC2 in AWS and the openvnp client on my Arch Linux (см.OpenVPN: настройка OpenVPN Access Server и AWS VPC peering). Need to have it started and connection established after OS start. Will use the systemd, documentation is here>>>, will work with any other Linux-system. Client’s configs have… Read More: OpenVPN – auto-start on Linux0 (0) »

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AWS: RDS logs, export to the CloudWatch Logs and CloudFormation template
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7 March 2019

We have a bunch of the AWS RDS with MariaDB. Backend-developers asked me to enable slow requests logs so they can debug their application. So the task is: enable AWS RDS logging and configure export to the CloudWatch Logs for further analysis. As everything else – our RDS instances are configured via CloudFormation templates, so… Read More: AWS: RDS logs, export to the CloudWatch Logs and CloudFormation… »

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Prometheus: blackbox-exporter probe_http_status_code == 0 and its debug
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6 March 2019

Today I decided to upgrade Grafana to already released version 6.0 and all other Docker images as well. Upgrade was successful – Loki eventually started displaying previously missed log-file names and other tags, just – immediately I got a bunch of CRITICAL alerts in our Slack from the blackbox-exporter which is used to check every… Read More: Prometheus: blackbox-exporter probe_http_status_code == 0 and its debug0 (0) »

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Arch Linux: Steam installation
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6 March 2019

Got a new PC and want to play games here. World of Tanks already works – check the World of Tanks: installing and running on Arch Linux, and now I want to install Steam. It worked with no issues on Ubuntu a few years ago and I could play Civilization V there – so now… Read More: Arch Linux: Steam installation0 (0) »

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Arch Linux: installation, troubleshooting and playing EVE Online
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4 March 2019

After the successful installation of WoT on my new Arch Linux setup (see the World of Tanks: installing and running on Arch Linux post) I decided to “achieve the next milestone” – install EVE Online. On a Google search by the “EVE Online Linux” request, I found the wiki.eveuniversity.org guide and tried to use it… Read More: Arch Linux: installation, troubleshooting and playing EVE Online0 (0) »

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