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About this article will do the following things:

• Install & Setup
• Write a simple Router
• Zephir rewritten version
• Extension installation and testing

Installation

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# make sure crypt module in use
sudo modprobe dm-crypt

# Find out which drive it was with the following command:
sudo fdisk -l

# You must mount /dev/sda3 myvolume
# use cryptsetup, device is accessible under /dev/mapper/myvolume
sudo cryptsetup luksOpen /dev/sde3 myvolume

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This page provides a full overview of PHP's SessionHandler life-cycle - this was generated by a set of test-scripts, in order to provide an exact overview of when and what you can expect will be called in your custom SessionHandler implementation.

Each example is a separate script being run by a client with cookies enabled.

To the left, you can see the function being called in your script, and to the right, you can see the resulting calls being made to a custom session-handler registed using session_set_save_handler().

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1. Add the RPMFusion repositories (both free and non-free) to the YUM repository directory (/etc/yum.repos.d/):

sudo dnf localinstall --nogpgcheck http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm

2. Install the patched version of FreeType with subpixel rendering enabled:

sudo dnf install -y freetype-freeworld

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http://wiki.thorx.net/wiki/GRUB

Super Mario

GRUB_INIT_TUNE="1000 334 1 334 1 0 1 334 1 0 1 261 1 334 1 0 1 392 2 0 4 196 2"

Demo

Super Mario - Coin

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Tuning Intel Skylake and beyond for optimal performance and feature level support on Linux:

Note that on Skylake, Kabylake (and the now cancelled "Broxton") SKUs, functionality such as power saving, GPU scheduling and HDMI audio have been moved onto binary-only firmware, and as such, the GuC and the HuC blobs must be loaded at run-time to access this functionality.

Enabling GuC and HuC on Skylake and above requires a few extra parameters be passed to the kernel before boot.

Instructions provided for both Fedora and Ubuntu (including Debian):

Note that the firmware for these GPUs is often packaged by your distributor, and as such, you can confirm the firmware blob's availability by running:

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GRUB INIT TUNE

A GRUB_INIT_TUNE uses the following format: tempo [freq duration] [freq duration]…

• tempo: is the base for all note durations in beats per minute, 60 gives a second base (60s/60 = 1s), 120 gives a half-second base, etc.
• freq: is the frequency (in hertz) of the sound (set 0 to produce a rest)
• duration: is the duration of the sound in beats

You can preview the tunes below with the standalone index.html included in this gist.

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List of Linux networking tools

netstat (ss)

Displays contents of /proc/net files. It works with the Linux Network Subsystem, it will tell you what the status of ports are ie. open, closed, waiting, masquerade connections. It will also display various other things. It has many different options. Netstat (Network Statistic) command display connection info, routing table information etc. To displays routing table information use option as -r.

Sample output:

Proto Recv-Q Send-Q  Local Address          Foreign Address        (state)    
tcp4 0 0 127.0.0.1.62132 127.0.0.1.http ESTABLISHED

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<?php declare(strict_types = 1);

function testPerformance($name, Closure $closure, $runs = 1000000)
{
    $start = microtime(true);
    for (; $runs > 0; $runs--)
    {
        $closure();
    }
    $end = microtime(true);