Design Modeling and Characterization of Robotic Fish for Aquatic Monitoring

Introducing a robot fish that is able to swim and recognize tank edges and obstacles.  Find out how it can easily create it with common insulating material and a few servo motor controlled by Arduino. Arduino is a single-board microcontroller, intended to make the application of interactive objects or environments more accessible. The hardware consists of an open-source hardware board designed …

Uninterrupted Power Supply (UPS)

Uninterruptible power supplies (UPS) mitigate voltage sags by supplying the load using stored energy. Upon detection of voltage sag, the load is transferred from the mains supply to the UPS. Obviously, the capacity of load that can be supplied is directly proportional to the amount of energy storage available. UPS systems have the advantage that they can mitigate all voltage …

DISTRIBUTED DATA-PARALLEL PROGRAMS FROM SEQUENTIAL DATA PROCESSING IN CLOUD

Map-Reduce are a programming model that enables easy development of scalable parallel applications to process vast amounts of data on large clusters of commodity machines.  Based on this new framework, we perform extended evaluations of Map Reduce-inspired processing jobs on an IaaS cloud system and compare the results to the popular data processing framework Hadoop. Through a simple interface with …

Steps to find the Installation date of a Operating system installed Linux CentOS and Red Hat

Steps to find the Installation date of a Operating system installed Linux CentOS and Red Hat

Steps to find the Installation date centos of a Operating system installed Linux CentOS and Red Hat On a CentOS or RedHat based Operation system You can easily find the date and time of the Server is installed. Method 1 :  Using, rpm command to find the basesystem and using the basesystem information we can use rpm -qi to find …

plesk-12-throws-error-Internal error-system-cannot-find-file-specified-earneasy.net

Plesk version 12 throws error Internal error The system cannot find the file specified

Plesk version 12 throws error Internal error The system cannot find the file specified Recent update from the Plesk version 12 from odin crashed few files & its content. due to this you get the below error. Internal error: The system cannot find the file specified. Message The system cannot find the file specified. File Hierarchical.php Line 105 Type Exception …

sar command usage and details examples

sar command usage and details examples sar command usage and details examples System Activity Report – SAR used to report on various system loads, including CPU activity, memory/paging, device load, network. Linux distributions provide sar through the sysstat package.

Example :

sar command, sar usage, sar details, sar examples

spamd crashed, cpanel spamd re-installation on the server

spamd crashed, cpanel spamd re-installation on the server spamd crashed, cpanel spamd re-installation on the server When you see the exim panic log @ /var/log/exim_paniclog you will see the below errors

When we try to restart the service using. No response or solution to the problem.

the solution is to reinstall the spamassasin By the Below commands, we …

/scripts/upcp /scripts/upcp logs

Its worth sharing, i was searching for this for long time. cPanel update logs are stored in the following directory path: Code:

The following command will display the log files in order from oldest to newest, with the most recently-modified files at the end or bottom of the list: Code:

Now do a tail -f /path to …