General notes about backup systems, useful when u need to explain something to other ppl, — use can use this notes instead of writing your own. (no info about “advanced” topics, like differential, incremental, reverse vs forward deltas, bare-metal r…
Posted in admin, backup, howto, Linux, reference, sysadmin, tools, unix | Comments Off | permalink
a way to ‘sync’ block devices in ‘rsync’ style. Useful to implement backup of xen VMs based on LVM volumes. Also see http://serverfault.com/questions/27397/sync-lvm-snapshots-to-backup-server
Posted in backup, device, for:collidr, Linux, lvm, rsync, server, storage, sysadmin, tools, xen | Comments Off | permalink
demo of the interface with comments for http://www.redhat.com/virtualization/rhev/server/
Posted in Linux, redhat, rehl, rhev-m, sysadmin, tools, virtualization | Comments Off | permalink
pieces of info about how to compile and use ipt_netflow kernel module on centos 5
Posted in centos, cisco_catalist, development, kernel, Linux, netflow, network, sysadmin | Comments Off | permalink
websites that provides a lot of useful info, like RBL (Relay Black Lists ), DNS, AS, BGP, etc
Posted in AS, bgp, dns, for:collidr, internet, network, route, Security, sysadmin, tool, tools, whois | Comments Off | permalink
writing udev rules for ethernet inteffaces
Posted in devices, kernel, network, redhat, rules, sysadmin, system, udev | Comments Off | permalink
SQL-proxy/filtering software for MySQL and PostgreSQL databases, used to prevent SQL-injection-like attacks, filter-out dangerous SQL, etc
Posted in database, firewall, mysql, opensource, Security, sql, sysadmin, tools | Comments Off | permalink
all sorts of system and software engineering info from Twitter. Also see http://twitter.com/about/opensource
Posted in blog, development, engineering, for:collidr, high_load, performance, sysadmin, twitter, web2.0 | Comments Off | permalink
useful article about “libvirt” – a common management interface for different visualization software
Posted in api, for:collidr, ibm, kvm, libvirt, Linux, programming, python, sysadmin, virtualization | Comments Off | permalink
MS Exchange 2000 and 2003 do not allow users to create auto-reply/vacation/forwarding rules
Posted in 2003, exchange, forward, microsift, Microsoft, Postmaster, rule, shortcut:mail, sysadmin | Comments Off | permalink
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Konstantin Antselovich (c) 2004-2011
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