Unix OS

Let's look at the nvm tool for ubuntu and its basic commands for switching between node versions.

Consider setting up swap if there is enough RAM available. The effect of the swappiness parameter on the aggressiveness of swap file usage.

Let's consider the possibility of changing the parameters of the configuration file (php.ini) on a hosting that does not have the ability to configure the Cron scheduler (cli) from the panel.

Configuring Apache for high volume Cookies. Let's analyze the error "Bad Request. Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit." and options to configure the server.

Let's try to cure the black screen when booting Ubuntu after installing proprietary nvidia-340 driver on Nvidia 630M laptop.

When USB 2.0-3.0 stopped working after updating Ubuntu on a laptop.

Ability to run Skype in multiple windows. Installed on Ubuntu skypeforlinux run in 2 windows.

Let's consider one of the ways to dos-attack on bluetooth through the basic l2ping tools in linux. Let's analyze a simple python script.

Consider a script that saves e-mail to a file. Sendmail stub, setup in Ubuntu.

Let's analyze one of the reasons for the initramfs error when starting Linux Ubuntu 18.04. Let's try a system restore. fsck exited with status code 4.

Unsatisfied links when installing npm, after installing node.js. Consider an alternative installation option.

Let's consider one of the possibilities to set the monitor resolution via xrandr. Analysis of a connected second monitor via VGA. Unknown display in Ubuntu 18.04.

Adjusting mouse wheel scroll spacing using the imwheel app in Ubuntu

Consider installing Node.js and Bower from the Ubuntu 18.04 repository globally.

After installing Ubuntu 18.04, there was an issue with language switching and hotkey usage in PhpStorm IDE or Netbeans IDE. Consider the reason for this action and the possibility of elimination.