Category Archives: HOWTO’s

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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Linux: woeusb – creating Windows USB boot flash drive
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4 March 2019

Well – sometimes have to do a bit weird things… Need to create bootable USB flash drive with WIndows 10 using console on Linux. There are various solutions but today I found the woeusb utility and it works pretty well plus it can format a drive to a necessary filesystem. Intsall on Arch Linux from… Read More: Linux: woeusb – creating Windows USB boot flash drive0 (0) »

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MySQL/MariaDB: most used commands with examples
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3 March 2019

Please note – this is absolutely not a complete guide about all MySQL commands usage – but just examples of the most commonly used ones. mysql> at the begin of the line means it’s executed from the MySQL console. Symbols # or $ means it’s executed from the Linux shell. UPD 03.03.2019 This post originally… Read More: MySQL/MariaDB: most used commands with examples0 (0) »

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Arch Linux: OpenVPN – resolv.conf is not updated
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2 March 2019

On an Arch Linux setup – local resolv.conf not updated after connection to OpenVPN AS. As far as I know – the problem is specific to Arch Linux and its “child’s” like Manjaro Linux installations. Local openvpn installed via pacman – see the OpenVPN: OpenVPN Access Server set up and AWS VPC peering configuration post for… Read More: Arch Linux: OpenVPN – resolv.conf is not updated0 (0) »

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Linux: systemd-unit files edit, restart on failure and email notifications
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1 March 2019

We have a RabbitMQ service which sometimes can go down. So need to: restart it if is exited with the failure send an email notification Let’s do it via RabbitMQ’s systemd service (though there are various options, e.g. using the monit, check the Monit: мониторинг и перезапуск NGINX post). Will use two options here: RestartSec=: delay… Read More: Linux: systemd-unit files edit, restart on failure and email notifications0… »

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OpenVPN: SSL and hostname configuration
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26 February 2019

We already have our OpenVPN AS running in Production, so a few more posts about last steps in its configuration. For now – need to configure SSL to avoid alerts in clients browsers. OpenVPN AS documentation for SSL setup – here>>>. Let’s Encrypt Install Let’s Encrypt client: [simterm] root@openvpnas2:~# git clone https://github.com/letsencrypt/letsencrypt /opt/letsencrypt [/simterm] Open… Read More: OpenVPN: SSL and hostname configuration0 (0) »

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World of Tanks: installing and running on Arch Linux
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25 February 2019

Didn’t think it will work, but it did 🙂 Used guide of the 2017 year from here>>>, and after everything was done – found another one here>>>. Not sure if it will work on the nouveau drivers – I did with nvidia. Enable the Multilib repo. Update packages: [simterm] [setevoy@setevoy-arch-pc ~]$ sudo pacman -Syu [/simterm]… Read More: World of Tanks: installing and running on Arch Linux0 (0) »

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Arch Linux: installing with EFI and Windows dual-boot
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24 February 2019

The goal is to set up a new Arch Linux and Windows (just for some games) on my new PC and use dual-boot using GRUB. Disks Currently disks layout is next: [simterm] [root@archiso ~]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT loop0 7:0 0 476.7M 1 loop /run/archiso/sfs/airootfs sda 8:0 0 223.6G 0 disk… Read More: Arch Linux: installing with EFI and Windows dual-boot0 (0) »

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