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Linux Backup & Restore.docx
Mar 15, 2023
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Linux Backup & Restore.docx
1.
LINUX BACKUP &
RESTORE M狸nh vi畉t bi ny 畛 h動畛ng d畉n k畛 thu畉t backup v restore c畉 OS, b畉n c坦 th畛 d湛ng c叩ch ny 畛 backup 1 server production v restore n坦 v畛 l畉i nh動 c滴. BACKUP 畛 ch畉y Backup, b畉n tr畛 v畛 root directory. R畛i th畛c thi l畛nh nh動 sau. tar cvpjf /mnt/linux.tar.bz2 --exclude=/dev/* --exclude=/sys/* --exclude=/proc/* -- exclude=/mnt/* / Gi畉i th鱈ch: M狸nh s畉 n辿n t畉t c畉 c叩c directory 畛 root t畛i file /mnt/linux.tar.bz2. Tuy nhi棚n s畉 lo畉i tr畛 t畉t c畉 c叩c file trong c叩c directory /dev, /sys, /proc v狸 nh畛ng directory ny s畉 動畛c t畛 畛ng b畛 sung b畛i kernel. Sau khi hon thnh th狸 b畉n s畉 c坦 file backup c畉 OS. RESTORE. 畛 restore b畉n c畉n ph畉i c坦 1 USB boot 畛 vo environment linux, ghi nh畛 ch炭t l n畉u b畉n restore b畉n 64 th狸 ph畉i d湛ng b畉n boot c滴ng 64bit. 畛 但y m狸nh d湛ng Debian cho b畉n d畛 h狸nh dung t鱈. Khi boot vo 動畛c terminal. Tr動畛c ti棚n b畉n ph畉i ph但n v湛ng l畉i 畛 c畛ng (tr動畛ng h畛p 畛 c畛ng l m畛i hon ton). 畛 但y m狸nh ch畛 d湛ng 2 ph但n v湛ng. /dev/sda1 cho root directory. /dev/sda2 cho swap. K畉 ti畉p b畉n t畉o directory m畛i t棚n /mnt/system Sau 坦 mount /dev/sda1 t畛i system mount /dev/sda1 /mnt/system K畉 ti畉p, b畉n copy file linux.tar.bz2 t畛i th動 m畛c /mnt v b畉t 畉u gi畉i n辿n n坦 ra. tar xvpjf /mnt/linux.tar.bz2 -C /mnt/system Sau khi hon thnh ph畉n gi畉i n辿n, b畉n s畉 ph畉i truy c畉p vo OS ch鱈nh. C但u l畛nh: mount -t proc none /mnt/system/proc mount --rbind /dev /mnt/system/dev mount --rbind /sys /mnt/system/sys chroot /mnt/system /bin/bash Sau khi th畛c hi畛n h畉t th狸 b畉n 達 vo 動畛c OS c滴 c畛a m狸nh, ph畉n k畉 ti畉p l c畉u h狸nh fstab. M畛 file /etc/fstab v s畛a n坦 t動董ng t畛 nh動 sau /dev/sda1 / ext4 defaults 0 1 /dev/sda2 swap none sw 0 0 B畉n c坦 th畛 thay 畛i b畉ng UUID ho畉c LABEL. Sau khi xong ph畉n fstab, k畉 ti畉p l ci 畉t Boot. C但u l畛nh: grub-install /dev/sda N畉u b畉n ko g畉p b畉t c畛 error no th狸 b畉n 達 hon thnh ph畉n restore. Ch炭c b畉n thnh c担ng.