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President Barack Obama wins Nobel Peace Prize

Posted by Jiltin     Tags: , 9 October, 2009    712 views    (0) Comment

OSLO – President Barack Obama won the 2009 Nobel Peace Prize on Friday in a stunning decision designed to encourage his initiatives to reduce nuclear arms, ease tensions with the Muslim world and stress diplomacy and cooperation rather than unilateralism. Many observers were shocked by the unexpected choice so early in the Obama presidency, which began less than two weeks before the Feb. 1 nomination deadline and has yet to yield concrete achievements in peacemaking. Some around the world Read Full Article (Click here)...

Categories : You Know Tags : ,

MYSQL : Tuning / Optimizing my.cnf file

Posted by Jiltin     Tags: , 16 August, 2009    12,303 views    (4) Comment

In my new server, I Have to do some fine tuning of MySQL 5 and here is what my.cnf file looks like for a 2GHz machine with 12GB of memory. Below are notes on some of the important variables, I took down while tuning the config file. 1. query_cache_size: * MySQL provides one feature that can prove very handy – a query cache. In a situation where the database has to repeatedly run the same queries on the same data set, returning the same results each time, MySQL can cache the Read Full Article (Click here)...

Categories : MySQL, Web & Scripts Tags : ,

Unix / Linux Security: Secure your box using (autoban) Denyhosts

Posted by Jiltin     Tags: 16 August, 2009    3,418 views    (0) Comment

I wrote a denyhack shell scripts to restrict the hacking users from the server. It was my development with bash script. I am using it for the past three years. Recently, While doing google search, I find an open source (source-forge) software denyhosts,written in python, which does the same function. Here are some tips to make your Linux server safer from intruders. I have recently viewed by log files in linux and noticed a few hundreds failed logins from different hosts on my sshd Read Full Article (Click here)...

Categories : Scripts Unix Tags :

Crontab – Quick & Complete reference Setting up cronjobs in Unix and Linux.

Posted by Jiltin     Tags: , , , 16 August, 2009    7,315 views    (8) Comment

What is crontab? cron is a unix, solaris utility that allows tasks to be automatically run in the background at regular intervals by the cron daemon. These tasks are often termed as cron jobs in unix , solaris. Crontab (CRON TABle) is a file which contains the schedule of cron entries to be run and at specified times. Crontab Restrictions You can execute crontab if your name appears in the file /usr/lib/cron/cron.allow. If that file does not exist, you can use crontab if your name does not Read Full Article (Click here)...

Categories : Scripts Unix Tags : , , ,

XCACHE – The Great PHP opcode Performance Tool For Wordpress Bloggers

Posted by Jiltin     Tags: , 30 July, 2009    1,762 views    (1) Comment

Recently, I noticed that the response from my blog was very slow when I started getting 1000+ user hits daily. It was hosted on a Linux platform – dedicated Pentium core duo laptop processor with 2 GB memory. Hence, I upgraded to Power edge quad core processor with 12 GB memory. After I migrated, I found the response was not so great until I realized root cause of the issue – Performance tuning! For php, xcache is one of the best tools to accelerate the blog performance. You can Read Full Article (Click here)...

Categories : Web & Scripts, Web Mysql, wordpress Tags : ,