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Bookmarks for 26 feb 2014 through 3 mar 2014

These are my links for 26 feb 2014 through 3 mar 2014:

  • Introducing Kite ! – Kite is a gmail clone you can install on a server of your own. It's pretty limited for the moment, but I hope to get something usable in the next few months.
  • Mailpile: Let’s take e-mail back! – Mailpile is email software (an app) that runs on your desktop or laptop computer. You interact with the program using your web browser. The goal of Mailpile is to allow people to send e-mail in a more secure and private manner than before.
  • xml2csv-conv – Command line XML to CSV converter – Google Project Hosting – xml2csv-conv is command line tool for converting data from XML schema to CSV. The tool has many command line options. The software is platform independent and was written in Java language.
  • Authenticating other services against AD – SambaWiki – Maybe you finished setting up your new/migrated samba4 domain and having now the job to hook up several other services to Active Directory or LDAP. Then you will find here a place for configuration examples. Please keep in mind, that some of the examples here may only work on specific plattforms and/or distributions and have to be adapted.
  • Eight Ways to Blacklist with Apache\’s mod_rewrite | Perishable Press – With the imminent release of the next series of (4G) blacklist articles here at Perishable Press, now is the perfect time to examine eight of the most commonly employed blacklisting methods achieved with Apache’s incredible rewrite module, mod_rewrite. In addition to facilitating site security, the techniques presented in this article will improve your understanding of the different rewrite methods available with mod_rewrite.

Bookmarks for 18 giu 2013 through 19 giu 2013

These are my links for 18 giu 2013 through 19 giu 2013:

  • CommuniGate Pro: Cluster Load Balancers – The DSR/DR is the preferred Load-Balancing method for larger installations. When this method is used, each Server is configured to have the VIP (Virtual IP) shared addresses as its local IP addresses. This allows each Server to receive all packets directed to the VIP addresses, and to send responses directly to the clients using the VIP as the "source" address. The servers should not respond to the arp requests for these VIP addresses. Instead the load balancer responds to these requests, and thus all incoming packets directed to the VIP addresses are delivered to the load balancer, which redirects them to Servers. When redirecting these incoming packets, the load balancer sends them directly to the Server MAC address, without changing the packet destination address, that remains the VIP address.
  • Using arp announce/arp ignore to disable ARP – LVSKB –
  • Configuring DSR on the Alteon load balancers | Remsys – As per Wikipedia, load balancing is a technique to spread work between two or more computers, network links, CPUs, hard drives, or other resources, in order to get optimal resource utilization, maximize throughput, and minimize response time. Usage of multiple components with load balancing, instead of a single component, may increase reliability through redundancy. DSR is a way for outbound traffic to bypass the load balancer, sending traffic directly to the default router of that network.
  • FreeIPA – FreeIPA is a Red Hat sponsored open source project which aims to provide an easily managed Identity, Policy and Audit (IPA) suite primarily targeted towards networks of Linux and Unix computers. FreeIPA can be compared to Novell's Identity Manager or Microsoft's Active Directory in that the goals and mechanisms used are similar.

Bookmarks for 4 feb 2013 through 13 feb 2013

These are my links for 4 feb 2013 through 13 feb 2013:

Bookmarks for 3 set 2012 through 5 set 2012

These are my links for 3 set 2012 through 5 set 2012:

  • OneLook Reverse Dictionary – How do I use OneLook's reverse dictionary feature?

    OneLook's reverse dictionary lets you describe a concept and get back a list of words and phrases related to that concept. Your description can be a few words, a sentence, a question, or even just a single word. Just type it into the box above and hit the "Find words" button. Keep it short to get the best results. In most cases you'll get back a list of related terms with the best matches shown first.

    [ via http://blog.terminologiaetc.it/2012/09/04/onelook-reverse-dictionary/ ]

  • missing disks, dump devices, mirroring, etc. – Waldemar Mark Duszyk – Since, we are pretty much always learning …. Some of us on a more elementary, intermediate, or advanced level but regardless of the level we all always learn or re-learn (because what we have mastered we had an ample time to forget – not doing it for a while), here it is a reminder of how to deal with a volume group (in this case it is rootvg which for some reasons lost one of it disks. The loss could be a function of SAN, VIO or other event. It could be a permanent loss – a disk is dead, broken, no longer functioning or the loss was/is temporary in nature; AIX kernel detected a timeout (without any disk errors associated with device failure) long enough for the kernel to mark the disks missing.
  • Authenticating RedHat with ActiveDirectory and Kerberos – Waldemar Mark Duszyk – One of my previous posts deals with authentication of RedHat LINUX using Tivoli Directory Server (TDS LDAP). As I was working on this project, my colleague Igor was busy configuring RedHat authentication with Active Directory and Kerberos (already configured on AD).

Bookmarks for 24 lug 2012 from 12:40 to 14:51

These are my links for 24 lug 2012 from 12:40 to 14:51:

  • Centrale di Mobilità – Muoviti responsabilmente senza pesare sull'ambiente
  • www.vanheusden.com – AIX tips & tricks – AIX tips & tricks

    (like: "Finding physical location of a disk" or why "AIX NFS server refuses client to mount share" and many other)

  • Account Administration – disciplinux – Change AIX password non-interactively

        Use the chpasswd utility to change the password.

  • Tightening Default AIX Sendmail – disciplinux – I started looking at the default AIX configuration of sendmail for the SMTP Open Relay issues. Previously I had sent a configuration change to
    allow only specific relay-domains. However, it appears that the default sendmail configuration sets "PROMISCUOUS_RELAY" which overrides the
    RELAY-DOMAINS directive.
  • Configure sendmail to start logging Subject in maillog | www.linux4beginners.info – In this article we will learn how to configure sendmail so that you can log "Subject" in /var/log/maillog as by default sendmail does not log Subject to maillog file.

    This is really interesting. Business people many times are interested in getting mail log files analyzed. To analyse mail logs they need various field to appera in mail logs. e.g. "From", "To", "Subject" etc from the sent email. By default sendmail logs From and To fields but it does not log Subject field. In this article you will learn how to enable sendmail to log "Subject".

Bookmarks for 11 mar 2012 from 15:16 to 16:25

These are my links for 11 mar 2012 from 15:16 to 16:25:

  • jsFiddle – JsFiddle is a playground for web developers, a tool which may be used in many ways. One can use it as an online editor for snippets build from HTML, CSS and JavaScript. The code can then be shared with others, embedded on a blog, etc. Using this approach, JavaScript developers can very easily isolate bugs. We aim to support all actively developed frameworks – it helps with testing compatibility.
  • Linux Mail Server Setup and Howto Guide – This article will show you how to setup an email server accessible using a POP3, IMAP or web browser client. It will also show you how to include virus scanning and spam tagging in the mail server. If you have an existing Active Directory or LDAP infrastructure, the last section will show you how to integrate it into your email server so you won’t have to maintain two sets of user accounts
  • bmatzelle/gow · GitHub – Gow (Gnu On Windows) is the lightweight alternative to Cygwin. It uses a
    convenient Windows installer that installs about 130 extremely useful
    open source UNIX applications compiled as native win32 binaries. It is
    designed to be as small as possible, about 10 MB, as opposed to Cygwin
    which can run well over 100 MB depending upon options.

Bookmarks for 8 nov 2011 through 14 nov 2011

These are my links for 8 nov 2011 through 14 nov 2011:

  • using mod_auth_kerb and Windows 2000/2003/2008R2 as KDC – This tutorial contains my knowledge about using Apache/mod_auh_kerb and Windows 2000/2003/2008R2 as KDC.
  • Squid kerberos authentication and ldap authorization in Active Directory « Klaubert’s Blog – The squid web cache include a authenticator for kerberos, it is simple to use, but the documentation is not very clear about how to make it work. Below some steps use by me to make Squid 3.0 Stable1 and Squid 2.6 Stable17 authenticate against Active Directory (Windows 2003 Directory Service) and also to make it make the authorization using Ldap. This setup was not used in production environment yet, so its possible to had some problems not seen by me or scalabilities issues.
  • active directory – Getting Squid to authenticate with kerberos and Windows 2008/2003/7/XP – Server Fault – This is setup with Squid 3.0, has also been tested with Squid 3.1 and should work with Squid 2.7. Your Windows user must be a member of the SQUID_USERS group in Active Directory (for this case anyway).

    On the Windows side, Windows XP and Windows 2007 have been tested against Windows 2008, and Windows XP against Windows 2003.

  • Open vSwitch – What is Open vSwitch?

    Open vSwitch is a production quality, multilayer virtual switch licensed under the open source Apache 2.0 license. It is designed to enable massive network automation through programmatic extension, while still supporting standard management interfaces and protocols (e.g. NetFlow, sFlow, RSPAN, ERSPAN, CLI, LACP, 802.1ag). In addition, it is designed to support distribution across multiple physical servers similar to VMware's vNetwork distributed vswitch or Cisco's Nexus 1000V.

  • 21 Ruby Tricks You Should Be Using In Your Own Code – 2009 Update: This post was written in early 2008 and looking back on it, there are a couple of tricks that I wouldn't recommend anymore – or to which extra warnings need to be added. I've added paragraphs like this where necessary. Enjoy! 🙂

Bookmarks for 4 nov 2011 from 16:39 to 16:41

These are my links for 4 nov 2011 from 16:39 to 16:41:

  • What is FreeIPA? – FreeIPA is an integrated security information management solution combining Linux (Fedora), 389 (formerly known as Fedora Directory Server), MIT Kerberos, NTP, DNS. It consists of a web interface and command-line administration tools.
    In IPA v2 we added DNS and Dogtag Certificate Server, enhanced administrative framework, added support for host identities, netgroups, automount per location and more.
  • FreeIPA and Samba 3 Integration – techslaves.org – FreeIPA makes a pretty excellent backend for Samba 3. While all the information one needs to set this up is available online, I wasn’t able to find it all  in one location so I’ve decided to try my best at filling that gap here on techslaves.org. Hopefully this short guide will aid those trying to piece together the various parts necessary to integrate FreeIPA v2 and Samba 3, at least until FreeIPA v3 where there is talk of enabling Samba integration with a simple command line argument to the “ipa-server-install” script.
  • Time Navigator HA Cluster Agent Configuration – techslaves.org – I’ve been wanting to post about a configuration that allows for seamless file-level backup of storage attached to an active/passive high availability cluster in an uninterrupted fashion using Atempo’s Time Navigator and I’m finally going to do it.

Bookmarks for 6 lug 2011 through 7 lug 2011

These are my links for 6 lug 2011 through 7 lug 2011: