Category Archives: UNIX/Linux

Linux: telegram-desktop – no systray icon

13 March 2019

 Have the telegram-desktop installed via pacman on the Arch Linux. After starting – no systray’s icon present and thus can’t see new messages and even can’t exit in a normal way. This issue is not specific for the Arch Linux and happens on any Linux systems. Go to the Google and make search with “telegram linux… Read More »

VirtualBox: Nonexistent host networking interface, name ‘wlp13s0’

11 March 2019

 Have the ~/VirtualBox VMs directory copied from my old laptop to a new PC. Now during VM’s launch – VirtualBox says: Nonexistent host networking interface, name ‘wlp13s0’ (VERR_INTERNAL_ERROR). Result Code: NS_ERROR_FAILURE (0x80004005) Component: ConsoleWrap Interface: IConsole {872da645-4a9b-1727-bee2-5585105b9eed} Check interfaces on the new PC: Exit (!) from VirtualBox. Edit VM’s file directly. It will be the… Read More »

Ansible: check if a package is installed on a remote system

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 »

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

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: Check new partition size: sdb4 8:20 0 1K 0 part – Er… What? Okay – the simplest solution is just to drop it and re-create: 442.2G – looks good? Check again… Read More »

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

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: And looks like kernel version… Read More »

Arch Linux: installation, troubleshooting and playing EVE Online

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 guide and tried to use it… Read More »


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 »