Category Archives: HOWTO’s

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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OpenVPN: DNS and dnsmasq configuration
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22 February 2019

In addition to the OpenVPN: настройка OpenVPN Access Server и AWS VPC peering post – DNS settings example. We have the ci.example.com domain, which has to be resolved to its Public IP (of the AWS EC2 instance) if it’s requested from thу Internet – or to its Private IP – if requested via a VPN… Read More: OpenVPN: DNS and dnsmasq configuration0 (0) »

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OpenVPN: OpenVPN Access Server set up and AWS VPC peering configuration
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21 February 2019

OpenVPN Access Server is ready to use OpenVPN server which requires minimal configuration. The free version allows you to have two clients. If you need more – you can buy additional licenses. Infrastructure description Currently to access our resources such as Jenkins, Nexus etc we are using Allow Rules in AWS Security Groups where each user… Read More: OpenVPN: OpenVPN Access Server set up and AWS VPC peering… »

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Grafana Labs: Loki – using AWS S3 as a data storage and AWS DynamoDB for indexes
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13 February 2019

Let’s proceed with the Loki system. First post of this series – Grafana Labs: Loki – logs collecting and monitoring system and the second one – Grafana Labs: Loki – distributed system, labels and filters. There is the Grafana’s Slack community with the dedicated #loki channel where you can ask for some assist (and it’s really helpful).… Read More: Grafana Labs: Loki – using AWS S3 as a data… »

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