So here is how we fix that and To install using rpm all you need is following two commands.

For Centos 5

rpm -ivh http://apt.sw.be/redhat/el5/en/i386/rpmforge/RPMS/rpmforge-release-0.5.2-2.el5.rf.i386.rpm
yum install rrdtool -y

For Centos 6

rpm -ivh http://apt.sw.be/redhat/el6/en/i386/rpmforge/RPMS/rpmforge-release-0.5.2-2.el6.rf.i686.rpm
yum install rrdtool -y

once sucessfully installed, you’ll find rrdtool in /usr/bin/

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DNSChanger so that we can be categorized as one of the dangerous virus. “Spread the largest in the United States, that in Indonesia there is not much, at least about 50 thousand,” said Alfons Tanujaya, antivirus experts from Vaksincom

Well, it turns out there is a fairly easy way to tell if your computer is infected with DNSChanger or not. You do this by using a special website created by the working group on DNS Changer.

Open a web browser (eg Internet Explorer, Firefox, Chrome, or Safari) and then access any of the sites below.

http://dns-ok.us

http://dns-ok.de

http://dns-ok.ax/index_en.html

http://dns-ok.fi/index_en.html

If the test result is green, then your computer normally. But if the result is red, then the DNS server settings from your computer or broadband router you are directed to a malicious server.

Computer or router DNSChanger infected can be cured by the following ways:

• If the computer is infected with malware DNSChanger try not to update the software system and database security.
• It is recommended to restore the infected computer’s DNS settings to get the old settings with the automatic.
• Then after cleaning, use another test method above to make sure whether the DNS server setting is normal or not.

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For example, when users just want to take a friend with a background of a bustling tourist attraction. It will still be able to produce the desired image without interruption by the many people who bersliweran the location of the photo.

Is a technology company engaged in the field of imaging, which creates apikasi Scalado called Remove it. Remove claimed to remove optical software for the first smartphone in the world.

Users just have to do all the tabs on the phone screen, and he can remove objects that are not desirable.

Quoted from SlashGear, Scalado will be exhibiting at Mobile World Remove Conference in Barcelona, February 27-March 1 next.

Here’s a demo of the workings Remove from Youtube:

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Free Command

Display free memory size in MB:
$ free -m

Output:

total       used       free     shared    buffers     cached
Mem:              1975       1555        419          0         62        861
-/+ buffers/cache:        632       1343
Swap:               0              0            0

Displays a line containing the totals memory in MB:

$ free -t -m

Output:

total       used       free     shared    buffers     cached
Mem:                 1975       1535        439          0         62        855
-/+ buffers/cache:        617       1357
Swap:                      0          0          0
Total:                  1975       1535        439

The vmstat command reports information about processes, memory, paging, block IO, traps, and cpu activity.

vmstat Command

Type vmstat command at shell prompt:

$ vmstat
Output:

procs ———–memory———- —swap– —–io—- -system– —-cpu—-
r  b      swpd   free         buff        cache        si   so    bi    bo   in   cs     us sy  id  wa
1  1      0          446524  63732    876068    0    0    21    28  955  465 17  4  78  1

top command

Type top command at the shell prompt:
$ top

Sample outputs:
Fig.01: top command displaying used memory

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According to research conducted by the University of Chicago, many respondents surveyed claimed to have such a strong urge to sing or facebookan every day. Recognized that desire even greater than smoking and drinking alcohol. But still below the desire to have sex and sleep.

The study itself is conducted to 205 respondents aged between 18-85 years old and provided by the BlackBerry device. They were asked to measure their desire for social networking, starting from a common desire to be an enormous boost.

In a study conducted for one week, the respondents were questioned as much as 7 times and asked to report whether they were eager to log into the social network in the last 30 minutes and if they fulfill that desire or not.

They were also asked to give the value of encouragement, ranging from the mundane desire to desire is unbearable, so it really must be met.

From the results of small-scale research, there are 10 558 responses collected, and as many as 7827 of them is an enormous boost to exist on Twitter cs. Launched Mactrast, planned results of this study will be published in an academic journal Psychological Science.

This research team leader, Wilhelm Hoffman explained that the proximity of the user with a BlackBerry and carried out continuously has raised an additional desire to keep connected with social media. “Modern life contains the hustle and bustle of the desire and is characterized by frequent conflict and resistance,” he said.

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Of course with a variety of tips and trick you can try.

Disable unneeded services

The following services can be set to manual:

- Application Experience
- Computer Browser (If you do not work in the network)
- Desktop Window Manager Session Manager (If you do not want the Aero Effect)
- Diagnostic Policy Service
- Distributed Link Tracking Client
- IP Helper
- Offline Files
- Portable Device Enumerator Service
- Print Spooler (If you do not have a printer)
- Protected Storage
- Tipsntrick.net Remote Registry (Disable to improve security)
- Secondary Logon
- Security Center
- Server (If you do not run a computer network)
- Tablet PC Input Service
- TCP / IP NetBIOS Helper
- Themes (If you use the Classic Theme)
- Windows Error Reporting Service
- Windows Media Center Service Launcher
- Windows Search (If you rarely use Fasilitan Search)
- Windows Time (If you do not want the clock on the computer are updated automatically via the internet)

Disabling AUTO UPDATE
If your hard drive partitioned into several drives, then try each drive is not full, a minimum of 2-5 giga empty
Adding Virtual Memory
Always at least 1 hard disk defrag routine once, if the use of routine
Clean up temporary files
Install the application only as needed
Avoid visual effects on the look of Windows 7 you
Configuring the Core Processors, do Start> msconfig, select the Boot tab> Advanced Options and enter 2, 4, or 8

If you feel your computer is heavy and very slow, you can restart to restore conditions to normal.

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