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Clear Systemd Journal Logs in Ubuntu 20.04

Systemd has its own logging system called the journal, and the log files are stored in /var/log/journal.

Check current disk usage of journal files

sudo journalctl --disk-usage

Rotate journal files

Active journal files will be marked as archived, so that they are never written to in future.

Have you ever wanted to do:

SELECT * FROM www.google.com

With BigQuery you kind of can. But have you ever wanted to do:

SELECT * FROM www.wikipedia.com

With Wikidata Query Service you kind of can (semantic web!, RDF!?, https://www.w3.org/wiki/SparqlImplementations).

after installing java:

sudo apt-get install libjna-java

Now, download and install jdownloader:

mkdir jd2
cd jd2

Some stats: - Total number of links: 23983

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► System Tools

Arch Linux Full-Disk Encryption Installation Guide

This guide provides instructions for an Arch Linux installation featuring full-disk encryption via LVM on LUKS and an encrypted boot partition (GRUB) for UEFI systems.

Following the main installation are further instructions to harden against Evil Maid attacks via UEFI Secure Boot custom key enrollment and self-signed kernel and bootloader.

Preface

You will find most of this information pulled from the Arch Wiki and other resources linked thereof.

Note: The system was installed on an NVMe SSD, substitute /dev/nvme0nX with /dev/sdX or your device as needed.

Complete Recent Discord Quest

Note

This no longer works in browser!

Note

This no longer works if you're alone in vc! Somebody else has to join you!

How to use this script:

Accept the quest under User Settings -> Gift Inventory

Pretende usar `UUID` como PK em vez de `Int/BigInt` no seu banco de dados? Pense novamente...

TL;TD

Não use UUID como PK nas tabelas do seu banco de dados.

Um pouco mais de detalhes

A curated list of command-line utilities written in Rust

Note: I have moved this list to a proper repository. I'll leave this gist up, but it won't be updated. To submit an idea, open a PR on the repo.

Note that I have not tried all of these personally, and cannot and do not vouch for all of the tools listed here. In most cases, the descriptions here are copied directly from their code repos. Some may have been abandoned. Investigate before installing/using.

The ones I use regularly include: bat, dust, fd, fend, hyperfine, miniserve, ripgrep, just, cargo-audit and cargo-wipe.

atuin: "Magical shell history"
bandwhich: Terminal bandwidth utilization tool

Chat GPT "DAN" (and other "Jailbreaks")

	#include "DxLib.h"

	int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
	LPSTR lpCmdLine, int nCmdShow )
	{
	ChangeWindowMode(TRUE);
	int GHandle[ 4 ] ;
	int i ;

	if( DxLib_Init() == -1 ) // ＤＸライブラリ初期化処理