I want to backup my databases without downtime… Well, there are couple approaches to this. One of them is to add a standby slave and use LVM snapshot approach. The second approach is to use percona xtrabackup. My problem is that I have some huge databases here, so taking local backups is out of the question. … Continue reading mysql hot backup with xtrabackup →
This is a short but potentially extremely handy guide to ghosting one Linux box to another (or simply making a full backup of a desktop/server). On the target machine: [codesyntax lang=”bash”] nc -p 2222 -l | bzip2 -d | dd of=/dev/hdb [/codesyntax] On the source machine: [codesyntax lang=”bash”] bzip2 -c /dev/hda | nc 10.111.1.206 2222 … Continue reading How to clone a running Linux system over network using netcat →
I can't memorize much, so I take notes!