search
HomeOperation and MaintenanceSafetyHow to understand grub password

The grub password is divided into: full zone password (you need to enter the grub global password to modify the grub label after setting) and menu password (you need to enter the grub menu password to boot the system after setting)

If you forget the grub global password, you can enter Rescue mode (rescue, similar to winPE), reset grub password

In addition to plain text, grub password can also use encrypted cipher text.

grub encryption tools include: grub-md5-crypt and grub-crypt

grub-md5-crypt: MD5 encrypted password output

grub-crypt : If possible, select the encryption method --md5, --sha-256, --sha-512 (default)

Edit the file /boot/grub/grub.conf

Settings The GRUB global password format is as follows:

hiddemenu

password=plain text password or password --md5 MD5 cipher text or password --encrypted sha cipher text

Set GRUB The menu password format is as follows:

title

password=plain text password or password --md5 MD5 cipher text or password --encrypted sha cipher text

The above is the detailed content of How to understand grub password. For more information, please follow other related articles on the PHP Chinese website!

Statement
This article is reproduced at:亿速云. If there is any infringement, please contact admin@php.cn delete
What category does the operation and maintenance security audit system belong to?What category does the operation and maintenance security audit system belong to?Mar 05, 2025 pm 03:59 PM

This article examines operational security audit system procurement. It details typical categories (hardware, software, services), budget allocation (CAPEX, OPEX, project, training, contingency), and suitable government contracting vehicles (GSA Sch

What are the job safety responsibilities of operation and maintenance personnelWhat are the job safety responsibilities of operation and maintenance personnelMar 05, 2025 pm 03:51 PM

This article details crucial security responsibilities for DevOps engineers, system administrators, IT operations staff, and maintenance personnel. It emphasizes integrating security into all stages of the SDLC (DevOps), implementing robust access c

What does the operation and maintenance safety engineer do?What does the operation and maintenance safety engineer do?Mar 05, 2025 pm 04:00 PM

This article explores the roles and required skills of DevOps, security, and IT operations engineers. It details the daily tasks, career paths, and necessary technical and soft skills for each, highlighting the increasing importance of automation, c

The difference between operation and maintenance security audit system and network security audit systemThe difference between operation and maintenance security audit system and network security audit systemMar 05, 2025 pm 04:02 PM

This article contrasts Operations Security (OpSec) and Network Security (NetSec) audit systems. OpSec focuses on internal processes, data access, and employee behavior, while NetSec centers on network infrastructure and communication security. Key

What is operation and maintenance security?What is operation and maintenance security?Mar 05, 2025 pm 03:54 PM

This article examines DevSecOps, integrating security into the software development lifecycle. It details a DevOps security engineer's multifaceted role, encompassing security architecture, automation, vulnerability management, and incident response

What is the prospect of safety operation and maintenance personnel?What is the prospect of safety operation and maintenance personnel?Mar 05, 2025 pm 03:52 PM

This article examines essential skills for a successful security operations career. It highlights the need for technical expertise (network security, SIEM, cloud platforms), analytical skills (data analysis, threat intelligence), and soft skills (co

What is operation and maintenance security?What is operation and maintenance security?Mar 05, 2025 pm 03:58 PM

DevOps enhances operational security by automating security checks within CI/CD pipelines, utilizing Infrastructure as Code for improved control, and fostering collaboration between development and security teams. This approach accelerates vulnerabi

Main work of operation and maintenance securityMain work of operation and maintenance securityMar 05, 2025 pm 03:53 PM

This article details operational and maintenance (O&M) security, emphasizing vulnerability management, access control, security monitoring, data protection, and physical security. Key responsibilities and mitigation strategies, including proacti

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

Hot Tools

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

ZendStudio 13.5.1 Mac

ZendStudio 13.5.1 Mac

Powerful PHP integrated development environment

Atom editor mac version download

Atom editor mac version download

The most popular open source editor

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Safe Exam Browser

Safe Exam Browser

Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.