Linux: LVM – pvcreate Device /dev/sdb4 excluded by a filter.
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9 March 2019

During new Linux set up – suddenly got a weird message. It happen just because of my carelessness and haste. Let’s create new partition: [simterm] [root@archiso ~]# pvcreate /dev/sdb4 Device /dev/sdb4 excluded by a filter. [/simterm] Check new partition size: [simterm] [root@archiso ~]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT loop0 7:0 0 476.7M… Read More »

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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 »

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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 »

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Linux: The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with /dev/vboxdrv
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5 March 2019

After each new VirtualBox installation – I’m stepping on the same rake again and again and have to go to Google to ask: The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with /dev/vboxdrv Attempt to load vboxdrv manually also provides the error: [simterm] $ sudo modprobe vboxdrv… Read More »

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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 »

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Android Studio: adb – INSTALL_FAILED_INSUFFICIENT_STORAGE
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4 March 2019

Proceeding fighting with our UI auto-tests 🙂 Two previous posts were really useful this time – Android Studio: установка на Linux и работа с Android Virtual Devices and Appium: Android Virtual Device, Original error: Condition unmet after 60159 ms и костыль. In general – tests works fine but sometimes gives me interesting issues. This time… Read More »

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