Older blog entries for senthilkumar (starting at number 19)

Life is with ups and downs. let's c c c.


Initially, I'm lazy to go for a walk and prefer to take my bike or atleast a bi-cycle for reaching any nearable place. As days passed by, walking becomes an entertainment to me. Nowadays, If i missed walking a single day, I feel I lost something. Walking improves concentration, gave time for me to plan and think. I have noticed that, if something boils my mind when I start walking, I have ended up with some sort of solution to that when I finished the walking for the day.

Nowadays, I usually cover for about 4 Kms/Day on an average through walking. I remember studying an article which says that walking is even better then running or jogging. The thing is that one should accelerate as one started walking. One should try for the maximum speed and that helps to keep the body fit.

Yesterday was highly busy. I came across the problem of ssh not working for protocol 1. The OpenSSL API specifically BN_is_odd() failed. I wrote up a c program using the API RSA_generate_key(). and tested the BN_is_odd() in that program. It failed. Finally, got landed with opensslconf.h file problem. It worked after putting the right file.

Last Sunday passed with me traveling most of time in my bike, a movie, some shopping etc..... Nice week end.

Hang on exit problem exists for so long time with OpenSSH. It have been documented here and reported in the bugzilla bug52. Lately, there were some recent developments on this to fix the behaviour. In our inhouse testing, we find that the patch behaves differently with Linux and HP-UX. But the test case given by djm works in same way in both Linux and HP-UX. But if I run a shell script as decribed in the bug52 I found a difference in behaviour. Let me see how the discussion is going to move forward.

Just reading the tutorials at perlmonks and they sounds interesting. So this completes the week. I'm surprised as this is my 4th blog entry in this month. Nowadays, I'm allocating little bit time to blog amongst other huge tonnes of work. Sounds good, Isn't it?

The work is going fine. Logu brought me a issue with capset() call in Linux. Intially he discover the issue with Squid code in which the the daemon dont have permission to open the file to log its pid. It happens only if TPROXY option is enabled. On further debugging Logu ends with capset() call and it needs much more investigation.

I'm falling prey to Monday sickness. It is about getting back to work after the week end. ;)

I mostly deal with chroot environments and today I put some of my time over it. The question that come to me is How to Break up chroot() jail? Sounds tricky to me initially. But its simple, root user cant be chrooted. If he does, he can break it. Simple logic.

1. Create a temp dir and chroot to it. 2. Change the current working dir by repeattedly running chdir(..). 3. Run chroot(.) and this makes you to move to root dir.

Going to home for this week end and hope the week end would be great.

The last Week had a mix of good and bads. But the bad things overshadows the good ones. I gave some Technical Training to people and the outcome was fantastic. In parallel, I lost a chance on work.

Nothing more to update on personal side of life. Just called some of my friends and enquired about their safety on possibility of riots in Bangalore,India over river water sharing.

Just thinking about my focus areas and thinking, think , think..............

I had a chance to attend marketing seminars from some big vendors. For a techie, it completely looks different as most of things are marketing and I vaded my time over there.

Why not dive in to bash code................ Thinking......

Mood: Bored

19 Jan 2007 (updated 19 Jan 2007 at 10:02 UTC) »

Again, Long delay in the post. The Trip is fine and by now I have completed one more Trip with almost same people. This Trip happens part of New Year 2007. Lots of things happened over 2006. To mention a few, I attended the FOSS.in 2006, one of the most respected Open Source conference in the world. Some the attendees included Suparna Bhattacharya, Rasmus, Harald etc...

Then the Year 2006 have lots os Ups and few downs. Looking forward for 2007 :)

The LCA 2007 is happening as of Now and should plan to attend next time................

14 Aug 2006 (updated 14 Aug 2006 at 04:02 UTC) »

Things going fine but i dislike that. Should there be some challenging things?. Yes it should be there to make life more FUN and lively. So some of us (me, Sekar, Logu and Jag) planned for a trip exactly its a trekking.

I'm overjoyed that till now plans are perfect and we hope to leave at exact time. We stay in the hill station for today night, refresh ourselves in the night :-) will start the trekking early morning. We plan to return from trekking by tomorrow evening and then return to our place.

From wednesday onwards, the day will be filled with more testing and hacking, debugging, blogging etc which are more FUN to add...... Update you on the trip later....

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