linux

Решить проблему с /dev/kvm permission denied для Ubuntu

Apt is a command line utility for install, update, remove and other operations. It manage dep packages in Ubuntu, Debian and distributions that based on it. It consists of most used commands apt-get and apt-cache but differs the default options. Apt was created for interactive use. Most of the commands of apt utility should be executed with sudo premissions.

In the last (at that moment) version of Lubuntu 19.04 desktop environment was moved to LXQT. In looks fine, but the role of screensaver still occupied by xscreensaver application with it's awful window to enter the credentials. I've already have a post about theming this window https://16rom.com/ru/blog/temizaciya-xsreensaver .

You should delete it immediately after OS installation: 

Seems like it's a trivial task but NO. You can't use Samba because of OS compatibility, FTP is too hard to understand and install and other things.

But there is a simple way to do this - use nodejs http-server!
If you're using your PC for development you've already should hav nodejs and npm.

Install the http-server package globally:

npm install -g http-server

Goto the folder which you want to share and type in Terminal:

The information about new PS2 emulator for a bit list of operation systems was dicovered in world wide web. Offical website of Play! emulator is https://purei.org/ . I thought it could be a good idea to test the pre-compiled build for Linux. But errors were found:

If Vagrant shows the message on vm start this means that virtual machine can't boot. And there is no case to connect through SSH.

There are much and more manuals in net about this stuff. But noone of them help me with this problem. I can't boot from usb flash on table.
First of all, you must enable usb boot. To enter “System Restore” you need to hold Shift key and click on Reboot option.
“Diag” → “Advanced options” → “UEFI Firmware Settings”.

Clip2net fucks you up

It was weird, when Iceweasel got 100-170% CPU usage and geting stuck !!

I've installed great plugin “Tab Data”, which show amount of used RAM by every tab.

Installed “Suspend tab”, which can suspend tabs after some time. But the problem is in the other side.

I've closed all tabs and Iceweasel became quite.

Open clip2net site and CPU got crazy. Fucking shit, i thoung at that moment.

script.js file

The UI of xscreensaver window is a bit old and not so retro as it could be. Unfortunately there is no way to customize the window view mode and elements placement (except rewrite it to your needs). But there is a field for experiments with colors and sizes for some elements.