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  CentOS 5.5 kernel upgrade installation iftop
  Add Date : 2018-11-21      
  The iotop Linux command used to display the hard disk IO, but the order exists only in versions kernelv2.6.20 after, then how to install iotop order? Xiao Bian gave you how to introduce the mounted iotop command on Linux.

iotop command interface style similar to the top command. This command should only have kernelv2.6.20 and in later versions. python version requires python2.7 and above

[Root @ MyO ~] # uname -r
2.6.18-194.el5xen # my kernel version is this so you have to upgrade

wget http://www.kernel.org/pub/linux/kernel/v2.6/linux- --no-check-certificate
 tar jxf linux- -C / usr / src /
cd /usr/src/linux-
make mrproper
make menuconfig # selected on the diagram below, there are other online that behind this: It may be a different version of it, I did not see, General setup -> enable deprecated sysfs features to support old userspace tools, but I have chosen election

 make modules_install
 make install
[Root @ MyO linux-] # make install
sh /usr/src/linux- arch / x86 / boot / bzImage System.map "/ boot"
Then set /boot/grub/grub.conf
The default is set to 0 to restart may not restart after the connection crt, xshell, restart the network like a service network restart
[Root @ MyO ~] # uname -r
Install python2.7
Look at your current python 2.7 python -V is not not in accordance with the following operation
wget http://www.python.org/ftp/python/2.7.2/Python-2.7.2.tar.bz2
tar jxf Python-2.7.2.tar.bz2 -C / usr / src
cd /usr/src/Python-2.7.2
make install
The default installation path is /usr/local/bin/python2.7
Establish a flexible connection so python pointed python2.7
 mv / usr / bin / python /usr/bin/python2.4
 ln -s /usr/local/bin/python2.7 / usr / bin / python
Installation iotop
wget http://guichaz.free.fr/iotop/files/iotop-0.4.4.tar.gz
tar zxf iotop-0.4.4.tar.gz
cd iotop-0.4.4
 python setup.py build
python setup.py install

-version Show version information
-h, -help Show help information
-o, -only appear only in designated hard disk program
-b, -batch batch processing for logging
-n NUM set cycle times
-d SEC, -delay = SEC set the display interval
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