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lpi1:bootloader
Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen gezeigt.
| Nächste Überarbeitung | Vorherige Überarbeitung | ||
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lpi1:bootloader [2011/10/26 08:47] 127.0.0.1 Externe Bearbeitung |
lpi1:bootloader [2020/01/29 13:08] |
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| - | ====== Bootloader ====== | ||
| - | ===== Bootloader löschen ===== | ||
| - | dd if=/dev/zero of=/dev/sda bs=446 count=1 | ||
| - | ===== grub ===== | ||
| - | ==== Grub installieren ==== | ||
| - | === Debian === | ||
| - | apt-get install grub | ||
| - | grub-install /dev/sda | ||
| - | oder | ||
| - | grub | ||
| - | root (hd0,0) | ||
| - | setup (hd0) | ||
| - | quit | ||
| - | |||
| - | update-grub | ||
| - | |||
| - | === SuSE === | ||
| - | grub-install /dev/sda | ||
| - | oder | ||
| - | grub | ||
| - | root (hd0,0) | ||
| - | setup (hd0) | ||
| - | quit | ||
| - | |||
| - | ==== Neuen Kernel testen ==== | ||
| - | System rebooten, und einmalig den 3. Eintrag ( grub fängt bei 0 an zu zählen ... ) aus ''/boot/grub/menu.lst'' verwenden: | ||
| - | |||
| - | SuSE: | ||
| - | grubonce 2 | ||
| - | |||
| - | Debian: | ||
| - | grub-reboot 2 | ||
| - | |||
| - | ==== Grub mit Passwort absichern ==== | ||
| - | === Root Passwort ändern === | ||
| - | Grub Bootprompt: ''init=/bin/bash'' hinzufügen | ||
| - | |||
| - | Kernel mit ''b'' booten | ||
| - | |||
| - | mount -o remount,rw / | ||
| - | passwd | ||
| - | mount -o remount,ro / | ||
| - | exec /sbin/init | ||
| - | |||
| - | === Grub absichern === | ||
| - | /usr/sbin/grub-md5-crypt | ||
| - | |||
| - | ''/boot/grub/menu.lst'' : | ||
| - | <file> | ||
| - | password --md5 $1$ZkniA/$2EBU5eSONAj.i2KIhhtWA0 | ||
| - | </file> | ||
| - | |||
| - | ===== grub2 ===== | ||
| - | ==== Grub installieren ==== | ||
| - | === Debian 6.0 === | ||
| - | apt-get install grub-pc | ||
| - | update-grub2 | ||
| - | |||
| - | ==== Grub2 mit Passwort absichern ==== | ||
| - | Debian 6.0 | ||
| - | |||
| - | === Root Passwort ändern === | ||
| - | Grub Bootprompt: ''init=/bin/bash'' hinzufügen | ||
| - | |||
| - | Kernel mit ''strg+x'' booten | ||
| - | |||
| - | mount -o remount,rw / | ||
| - | passwd | ||
| - | mount -o remount,ro / | ||
| - | exec /sbin/init | ||
| - | |||
| - | === Grub absichern === | ||
| - | grub-mkpasswd-pbkdf2 | ||
| - | |||
| - | ''/etc/grub.d/45_password'' : | ||
| - | <file> | ||
| - | #!/bin/sh | ||
| - | exec tail -n +3 $0 | ||
| - | # This file provides an easy way to add custom menu entries. Simply type the | ||
| - | # menu entries you want to add after this comment. Be careful not to change | ||
| - | # the 'exec tail' line above. | ||
| - | set superusers="root" | ||
| - | password_pbkdf2 root grub.pbkdf2.sha512.10000.FF73A777C6793E117430446F4D12F00D25DA53515B5048B1DAAA0688743550226CD05AD661EBDCA2AA1997AEBDC0C35C74CA48C9309FBED1C201C5875E3AD2E8.292A1642CB109860054562756A5AE950975B586A8DFDE535F566D1ADDCC6747349406E84862FFD9258F64268A36E63EF25A41A3CC0CD6291E63D98CEDDF00FE6 | ||
| - | </file> | ||
| - | |||
| - | chmod +x /etc/grub.d/45_password | ||
| - | update-grub | ||
| - | == testen == | ||
| - | grep password /boot/grub/grub.cfg | ||
| - | reboot | ||
| - | | ||
| - | ===== Dokus & Links ===== | ||
| - | * http://wiki.ubuntuusers.de/grub_2/konfiguration | ||
lpi1/bootloader.txt · Zuletzt geändert: 2024/04/17 12:37 (Externe Bearbeitung)
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