Archive for April, 2008

Is Linux less costly for web infrastructure than Solaris a myth?

Wednesday, April 30th, 2008

This is an interesting point of view of Robin Goldfarb, a blogger from Sun’s blog hub. He points out why he and others from Sun consider Solaris to be less costly than Linux. Check it out!

New Solaris 10 release

Sunday, April 13th, 2008

According to Sun, the new Solaris 10 5/08 release will be available on April 14, 2008. This new release includes a lot of improvements and new features. Take a look into what’s new.

System stats with saidar

Sunday, April 6th, 2008

saidar is a top like tool. It provides a curses based interface for viewing system statistics such as network I/O, disk I/O, CPU, memory and more. The core of the functionality is provided by the libstatgrab library:

libstatgrab is a library that provides cross platform access to statistics about the system on which it's run. It's written in C and presents a selection of useful interfaces which can be used to access key system statistics. The current list of statistics includes CPU usage, memory utilisation, disk usage, process counts, network traffic, disk I/O, and more.

On a Debian system install the package as usual:

apt-get install saidar

and then run:

saidar

Saidar in action

Debian: record boot messages

Sunday, April 6th, 2008

Debian allows you to record boot messages by means of the bootlogd daemon. According to man pages:

Bootlogd runs in the background and copies all strings sent to the /dev/console device to a logfile. If the logfile is not accessible, the messages will be kept in memory until it is.

This feature is not enabled by default. Edit /etc/default/bootlogd and modify it to enable recording of boot messages:

# Run bootlogd at startup ?
BOOTLOGD_ENABLE=Yes

Now bootlogd will start sending boot messages to /var/log/boot.