Recent blog entries for jauderho

Hello all.

I am hiring. I am looking for the following.

1. Senior Software Architect
2. 2-3 Software Developers
3. UI Designer

Candidates should have good to extensive Web development experience along with experience creating and delivering a product. I will have job requisitions in the next couple of days.

Interested parties please email at jauderho at gmail.com.

Thanks.

I have been looking for rack cabinets recently for the house and have not been able to find one. Can someone suggest a source where I can find a 12-16U rack to rackmount just a couple of servers? I do not have room or need something quite as big as say a 40U rack.

postfix + sasl:

Getting this to work was not exactly the easiest, especially since SASL has horrendous facilities for debugging. I found the following link very useful in getting 90% of the way there but it did not address some of the final steps needed to get SASL working. The following assumes that you are using the postfix SRPM from Simon J Mudd.

Since postfix is operating in a chroot() jail, copy /etc/sasldb to /var/spool/postfix/etc. Additionally, since postfix needs read AND write permissions to sasldb, I changed the group ownership to postfix and the perms to 660.

A useful little tip in /etc/postfix/README_FILES/SASL_README shows how to debug by telnetting to port 25.

    220 server.host.tld ESMTP Postfix
    EHLO client.host.tld
    250-server.host.tld
    250-PIPELINING
    250-SIZE 10240000
    250-ETRN
    250-AUTH DIGEST-MD5 PLAIN CRAM-MD5
    250 8BITMIME
    AUTH PLAIN dGVzdAB0ZXN0AHRlc3RwYXNz
    235 Authentication successful

Generating the base64 phrase dGVzdAB0ZXN0AHRlc3RwYXNz can be done by doing the following,

    % printf 'test\0test\0testpass' | mmencode 

I found it useful to enable smtpd in '-v -v' mode which makes smtpd significantly more verbose as part of the debugging process. Finally, since the SASL authentication methods AUTH and PLAIN send passwords in plaintext, you may choose to only do SASL in TLS mode in which case smtpd_tls_auth_only should be set to yes.

mbp zipped in with some suggestions and with my fiddling with a couple more config options here and there, I now have SASL working with postfix. I will try to write it up soon. Time for bed.

Fighting with SASL right now and trying to get it working with postfix. It appears that this is not a well known configuration especially using a chrooted postfix which is somewhat surprising as I would have expected more similar configurations.

SASL unfortunately has horrible debugging mechanisms which leads me to where I am right now. Everything is configured with postfix proper announcing SASL capability but an AUTH PLAIN does not seem to work. Instead it fails with "Authentication failed". Any insight is appreciated.

raph:

It appears that I am not able to see the diary ratings. Upon further investigation, my diary page does not show the ability to rate my diary. I am however able to rate other diaries. Not quite sure if there is a bug somewhere. I am logged in to my account and have verified this with both Mozilla and Netscape.

bytesplit:

thumbelizer already exists.

On vacation.

Finally finished tape backup and failover design for my client. We are creating a dual data center setup for failover purposes. As per requirements, the backup solution will back up roughly 48TB of data daily. We will also be doing replication between sites 2500 miles apart. Pretty interesting stuff.