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wiki:os:linux:souborova-replikace-systemu [2018/01/22 14:40] root |
wiki:os:linux:souborova-replikace-systemu [2018/01/22 14:45] (current) root [Nový server Změna hostname] |
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| ===== Nasypat data na Valinora ===== | ===== Nasypat data na Valinora ===== | ||
| + | |||
| + | ==== sda1 ==== | ||
| + | |||
| + | Valinor server: | ||
| + | <code bash> | ||
| + | nc -l -p 1234 > / | ||
| + | </ | ||
| + | |||
| + | Zdrojový server: | ||
| + | <code bash> | ||
| + | # nabootovat stroj z PXE nebo liveCD | ||
| + | fdisk -l # | ||
| + | mkdir /A | ||
| + | mount /dev/sda1 /A -r | ||
| + | cd /A | ||
| + | mc # vybrat vše kromě lost+found | ||
| + | tar --numeric-owner -cp %t | gzip -1 | nc 172.27.31.254 1234 -q 2 | ||
| + | </ | ||
| + | |||
| + | ==== sda2 ==== | ||
| + | |||
| + | Valinor server: | ||
| + | |||
| + | <code bash> | ||
| + | nc -l -p 1234 > / | ||
| + | </ | ||
| + | |||
| + | Zdrojovy server: | ||
| + | |||
| + | <code bash> | ||
| + | cd | ||
| + | umount /A | ||
| + | mount /dev/sda2 /A | ||
| + | cd /A | ||
| + | mc # vybrat vše kromě lost+found | ||
| + | # tar pustit v mc | ||
| + | tar --numeric-owner -cp %t | gzip -1 | nc 172.27.31.254 1234 -q 2 | ||
| + | </ | ||
| + | |||
| + | ===== Nasypat data z Valinora na nový server ===== | ||
| ==== sda1 ==== | ==== sda1 ==== | ||
| Line 46: | Line 86: | ||
| cat sda2.tgz | nc 172.27.31.202 1234 -q 2 | cat sda2.tgz | nc 172.27.31.202 1234 -q 2 | ||
| </ | </ | ||
| - | |||
| - | ===== Nasypat data z Valinora na nový server ===== | ||
| ===== Nový server Instalace Grubu ===== | ===== Nový server Instalace Grubu ===== | ||
| + | <code bash> | ||
| + | cd | ||
| + | umount /A | ||
| + | mount /dev/sda2 /A | ||
| + | mount /dev/sda1 /A/boot | ||
| + | mount --bind /dev /A/dev | ||
| + | mount --bind /proc /A/proc | ||
| + | mount --bind /sys /A/sys | ||
| + | chroot /A | ||
| + | env-update | ||
| + | grub-install /dev/sda | ||
| + | grub-install --recheck --no-floppy /dev/sda | ||
| + | grub-mkconfig -o / | ||
| + | exit | ||
| + | umount -R /A | ||
| + | reboot | ||
| + | </ | ||
| ===== Nový server Změna hostname ===== | ===== Nový server Změna hostname ===== | ||
| + | |||
| + | <code bash> | ||
| + | nano / | ||
| + | / | ||
| + | |||
| + | nano / | ||
| + | </ | ||
| + | |||
| + | Bacha třeba na serverové ssl certifikáty v /etc/ssl - bude třeba je také přegenerovat s novým hostname | ||