robtex- swiss army knife internet network information tool
Thursday, March 18th, 2010websites that provides a lot of useful info, like RBL (Relay Black Lists ), DNS, AS, BGP, etc
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
Notes performance of the recent linux kernels on Nehalem hadrware, linux kernel bridges, DCCP protocol, visualization (cgroups), configuration protocol, etc.
Posted in development, kernel, Linux, network, performance | Comments Off | permalink
Article covers SCALE8x presentation from Ronald Minnich /Scandia Nat. Labs/ about issues involved running large scale networks [ >10M nodes ] . Article contains a lot of useful links, recommended reading.
Posted in dht, distributed, for:collidr, infrastructure, Linux, network, research, Security, virtualization | Comments Off | permalink
list of syntax supported by new regexp lib from google
Posted in code, google, Perl, prce, programming, regex, regexp, syntax | 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
Describes how to build thrift (cross-platform service/RCP framework from facebook) modules for scribe client (high-performance async log aggregator server from facebook). Also see Log::Dispatch::Scribe on CPAN
Posted in high_load, logging, Perl, programming, RPC, scribe, thrift | Comments Off | permalink
Blog pots shows and explains how to implement simple queue system on top of memcached
Posted in development, distributed, memcache, memcached, messaging, Perl, programming, queue, scalability, scaling, shortcut:perl | Comments Off | permalink
Notes about ASA 8.02 firmware: after some tricks with hexdump, dd and gzip, the guy was able to extract linux x86 initrd image from
Posted in asa, cisco, embedded, ios, Linux, networking, pix, virtualization | Comments Off | permalink
internal details about Cisco ASR1000 “platform” router, including hardware details (/proc/cpuinfo, dmesg)
Posted in ASR1000, cisco, hardware, ios, IOS_XE, kernel, Linux, network, router | Comments Off | permalink
A Perl module that uses AnyEvent “framework” to do HTTP/1.0 requests in a parallel, non-blocking fashion
Posted in development, event, http, IO, Perl, programming | Comments Off | permalink
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Konstantin Antselovich (c) 2004-2011
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