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Size: 917
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← Revision 11 as of 2017-04-11 02:18:35 ⇥
Size: 1121
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| Deletions are marked like this. | Additions are marked like this. |
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| === SL7 Boot: how to add single-user boot entries to initial grub menu === | === SL7 Boot: how to add single-user boot entries to initial grub2 menu === |
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| . 1) make a dated copy of /boot/grub2/grub.cfg, i.e. '''cp /boot/grub2/grub.cfg /boot/grub2/grub.cfg.20170117''' . 2) make a dated copy of /etc/default/grub, i.e. '''cp /etc/default/grub /etc/default/grub.20170117''' |
. 1) make a dated copy of prior /boot/grub2/grub.cfg, i.e. '''cp /boot/grub2/grub.cfg /boot/grub2/grub.cfg.20170117''' . 2) make a dated copy of prior /etc/default/grub, i.e. '''cp /etc/default/grub /etc/default/grub.20170117''' |
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| || GRUB_DISABLE_RECOVERY || GRUB_DISABLE_SUBMENU || || true || true || as delivered, no single user entries || |
||<-3> ↓ GRUB_DISABLE_RECOVERY=(true/false) || || ↓ ||<-2> ↓ GRUB_DISABLE_SUBMENU=(true/false) || || true || true || as delivered in stock SL7 distro, no single user entries || |
SL7 Boot: how to add single-user boot entries to initial grub2 menu
as root user
1) make a dated copy of prior /boot/grub2/grub.cfg, i.e. cp /boot/grub2/grub.cfg /boot/grub2/grub.cfg.20170117
2) make a dated copy of prior /etc/default/grub, i.e. cp /etc/default/grub /etc/default/grub.20170117
3) vi /etc/default/grub, set these variables:
↓ GRUB_DISABLE_RECOVERY=(true/false) |
||
↓ |
↓ GRUB_DISABLE_SUBMENU=(true/false) |
|
true |
true |
as delivered in stock SL7 distro, no single user entries |
false |
true |
boot main menu will have single-user entry for every kernel |
false |
false |
boot submenu will have single-user entry for every kernel |
4) run grub2-mkconfig -o /boot/grub2/grub.cfg
- 5) reboot, new single-user entries will be labelled "recovery"