Category Archives: Backup

mysql hot backup with xtrabackup

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

How to install the same debian packages on another system

The approach is simple: generate a list of installed packages on Debian-based systems and install this list of packages on the new box. This approach is useful when you want to install the same packages on another fresh OS install for example. 1. To export the list of installed packages, proceed as follows: [codesyntax lang=”bash”] … Continue reading How to install the same debian packages on another system

How to clone a running Linux system over network using netcat

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