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Articles in category: Networking (11)

GLPI - Gestión de recursos informáticas.
[es] Networking 2007-02-26
Justo lo que necesitamos en la oficina para cumplir con una de las meta que tenemos como el equipo para el 2007. Opensource es fantastico!
GLPI is the Information Resource-Manager with an additional Administration- Interface. You can use it to build up a database with an inventory for your company (computer, software, printers...). It has enhanced functions to make the daily life for the administrators easier, like a job-tracking-system with mail-notification and methods to build a database with basic information about your network-topology.

GLPI - Gestionnaire libre de parc informatique

Link originalmente lo encontré en deb.cl

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Cisco - Configuration Management: Best Practices White Paper
[en] Networking 2006-10-21
"Configuration management is a collection of processes and tools that promote network consistency, track network change, and provide up to date network documentation and visibility. By building and maintaining configuration management best-practices, you can expect several benefits such as improved network availability and lower costs."

Cisco - Configuration Management: Best Practices White Paper
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Protocolinfo, RTP y mas QoS
[es] Networking 2006-06-17
Link-dump de mas cosas que tiene que ver con las redes y mi preparacion para la pelea con traffico QoS.
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A Long weekend of QoS and network strangeness.
[en] Networking 2006-06-12
I've been selling VoIP in the company... I better get my stuff together and get the corp Routers up and running for QoS (that is DiffServ). The little detail is, all the routers are Linux boxes... And telling management "spend x*1000USD in each office to get new Cisco boxes..." I doubt they'd like to hear that...

Here's some links of i've been reading... and I think i can hack it with the infra i have right now...

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LDAP-RADIUS Cookbook
[nl] Networking 2006-05-31
Misschien is dit nuttig om verschillende diensten aan elkaar te knopen. Ik moet het iedergeval nog verder onderzoeken.

"In toenemende mate wordt voor het authenticeren van gebruikers en/of applicaties, en voor toegang tot diensten op het netwerk, gebruik gemaakt van RADIUS. Voor het authenticeren van grote groepen gebruikers is het gebruik van directories, bijv. LDAP directories, als achterliggende database onontbeerlijk. Door gebruik van directories is het onder andere mogelijk om op één plaats de naam- en adres gegevens van gebruikers bij te houden waarbij de gebruiker zelf, middels een LDAP client, zijn gegevens kan aanpassen, zoals het wachtwoord. In een cookbook wordt beschreven hoe een koppeling gemaakt kan worden tussen een RADIUS server en een LDAP server. Er wordt ingegaan op de verschillende attributen, de mapping van RADIUS naar LDAP en de vorm/inhoud van de attributen. Voorts wordt beschreven met welk gereedschap de koppeling(en) getest kan worden."

LDAP-RADIUS Cookbook
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Tcpdump, como mostrar solo traffico OSPF.
[es] Networking 2006-05-17
"tcpdump -i eth1 ip[9] == 89"

Dynamic routing - OSPF and BGP
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Postgray+Dspam Son geniales.
[es] Networking c2, 2006-04-27
¡Lo logramos!

Fuimos de Qmail-Toaster+spamassassin con Mysql a Postfix+Postgray+DSPAM con LDAP. Y eso sin que nadie perdio ni el trabajo o un correo.

Y el resultado para toda la organización:

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Unifing sign-on.
[en] Networking 2006-03-19
While trying to get a grips on the sistems at the job. I got confronted with at least 11 (!!) lists of users and accesses. each independant of the next. Each with it's own user names and passwords and no sistem in place to manage or syncronize them.
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The price of progress
[en] Networking 2005-12-05
Okay, so we have all the network running OSPF, now the different stores are starting to complain that the network is sometimes slow. Sniffing the links there was no doubt, big freaking pop3 sessions clogging up the link.

So a dission had to be made, all non-time critical traffic (being _everything_ except ODBC and ssh) has to be routed over the secondary VPN link. Seems like it's easier said then done. Class based routing or Routing policies seem to be the answer.

I'm reading a bunch of docs, but the following seems the most complete:

Policy Routing with Linux - Online Edition
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Linux IP routing galore
[en] Networking 2005-12-03
This site: http://linux-ip.net/ is really full of good information on how linux IP works. Writen using the newer "ip" tools, so it shows a lot of the lesser known posibilities of Linux IP power.

Great stuff
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