Friday, April 27, 2012

installing s3cmd in ubuntu

s3cmd is a command line tool for uploading, downloading and managing file and directories with amazon simple storage s3. It is very useful when running scripts and scheduling scripts with cron. First you have to install s3cmd package which is available from s3tools.org. In this post we discuss how to install and configure s3cmd in ubuntu or debian systems.

sms notification using nagios

We have discussed how to install and configure nagios monitoring system and configuring nrpe with nagios in previous posts. But it sends only email notifications. What if we are not able to access mail? Internet is not working? Or forgot to check the mails. So it is always better to have a better notification system. Notifications via SMS is an alternative. We can know if a service or host is down by sms even if dont check mail. But how to enable notifications via sms? What are the requirements? Which files needs to modified? How to configure sms gateway? We discuss all these things in this post.

Thursday, April 26, 2012

checking cpu architecture in linux

You may have to check which is the architecture of your linux system 32 bit or 64 bit. Here there is one thing needs to keep in mind. Whether you are checking the version of installed os kernel or the architecture of underlying cpu. It is possible that Operating system is 32 but cpu has 64 bit support. This post explains how to find or check the architecture of the Linux Operating system and cpu.

Monday, April 23, 2012

Dumping mysql database schema only

If  you want to dump only schema of a database,

Execute the following command.
#mysqldump -u root -pPASSWORD -d -h Host_name_or_Ip_Address database_name > database_name.sql
It will dump the schema to the file database_name.sql