20.04

PHP 7.4 is recommended to use used by WordPress. In this guide the simple to use commands will be layed out one by one for easy copy and pasting to your Ubuntu VPS/Server.

First update/sync your repositories and make sure you have redis-server and php7.4 installed

next disable php7.3/php7.2 and enable php7.4 (substitute for your currently used php version)

sudo a2dismod php7.3

sudo a2enmod php7.4

Install common php7.4 modules. You may skip this step if you know exactly what modules you need.

sudo apt install php7.4-dom php7.4-common php7.4-mysql php7.4-xml php7.4-xmlrpc php7.4-curl php7.4-gd php7.4-imagick php7.4-cli php7.4-dev php7.4-imap php7.4-mbstring php7.4-opcache php7.4-soap php7.4-zip php7.4-intl -y

Install php-redis and enable the module

sudo apt install php-redis

sudo phpenmod -v 7.4 -s ALL redis

restart the apache2 service

sudo service apache2 restart

checkra1n Linux Live USB (Minimal Linux)

When it was first announced that the iOS and tvOS jailbreaking tool checkra1n would get an official release I had a new idea for a project. An absolute bare-bones minimal Linux environment that could be used to kick start your device back to a jailbroken state. The original goal of the project was to keep the complete ISO file including Linux 5.4 and the latest checkra1n binary under 50MB. I was unable to squeeze in under my goal but the total required disk size for install is 64MB. Still substantially smaller than any other live environment with a modern Linux Kernel. Read more about my project or download from my GitHub page downthecrop/checkra1n-linux

EDIT: Version 0.9.8.2 has been reduced in size to 44MB and boot times have been reduced! Please update if you are using 0.9.8

Installation Guide

Writing Instrutions:
Download Rufus: https://rufus.ie/
Burn to USB Flash Drive or CD/DVD

When booting please wait for the timeouts of both prompts to ensure correct mounting.

You can run checkra1n again while in Linux with #: ./checkra1n or #: ./checkra1n -c

Write using DD mode instead of ISO mode.

Want to jailbreak iOS using your Android phone? Check out my checkra1n Android TWRP app here: https://downthecrop.xyz/blog/jailbreak-ios-device-with-android-phone-checkra1n-twrp-app/

Official Release checkra1n for Linux Tutorial Guide

Official release of checkra1n for all Linux distributions. Watch my tutorial video here

It's finally here! checkra1n for Linux without the use of any kind of emulation was officially released today. This can be run on any and all Linux distributions and was released for ARM and ARM64. This will be able to run on laptops, desktops and desktop pcs, and Single Board Computers (SBC) like the Raspberry Pi. Simply navigate to the official checkra1n website and download the latest version of the precompiled binary release. You will need to add the execute flag

chmod +x checkra1n

once you have added the execute flag to the binary open a terminal and execute the command

sudo ./checkra1n

for the full command line or CLI version of checkra1n without ncurses that can also boot a device that is already in DFU you can use the command

sudo ./checkra1n -c

For a complete step by step guide of using the new checkra1n for Linux you can follow my YouTube guide here