Installing CDP Agent (R1Soft slave)

gistfile1.txt

Installing Agent on CentOS, RHE and Fedora (Refer this URL: http://wiki.r1soft.com/display/CDP3/Installing+Agent+on+CentOS,+RHE+and+Fedora)


Please do the below steps on the slave server on which we would like to install CDP agent
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There two ways by using which you can install the agent

1) Installing Agent Using YUM
2) Install Agent Manually (Using RPM)



1) Installing Agent Using YUM
=>  

1.1 Configure YUM Repository
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cd /etc/yum.repos.d

vi r1soft.repo 

Insert the following text into the file and save the file:

[r1soft]
name=R1Soft Repository Server
baseurl=http://repo.r1soft.com/yum/stable/$basearch/
enabled=1
gpgcheck=0 


cat /etc/yum.repos.d/r1soft.repo   ---------- To verify what is written to the file.
===============



1.2 Install the Package
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 yum install r1soft-cdp-enterprise-agent 
===============




2) Install Agent Manually (Using RPM)
=>

2.1 Download CDP Agent
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Refer this URL [http://wiki.r1soft.com/display/CDP3/Obtaining+Linux+CDP+Enterprise+Agent] for the more details.
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2.2 Make Sure You Can Unzip the Download
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which unzip ---- This should return an output similar to the following:

# which unzip
/usr/bin/unzip 


If it returns the following output, you need to install the unzip utility first:  unzip: Command not found. 

Run - yum install unzip
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2.3 Extract the ZIP File  (We recommend creating a temporary directory to which you can extract the contents of the ZIP file.)
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mkdir cdp-agent 
mv r1soft-enterprise-agent-linux64-3.18.2.zip cdp-agent 
cd cdp-agent 
unzip r1soft-enterprise-agent-linux64-3.18.2.zip 


The archive you have extracted contains two folders: one with .deb packages (in our case, "deb-linux64") and one with .rpm packages ("rpm-linux64"). On RedHat and CentOS, select the .rpm package.

Each folder contains a set of CDP components:

r1soft-setup
r1soft-cdp-enterprise-agent
r1soft-cdp-agent
r1soft-cdp-async-agent-2-6
You will need to install all of them in one step. Use the cd command to go to the folder with the packages (in our case, rpm-linux64) and run the following command:

RPM 32-bit (x86) / RPM 64-bit (x86_64)


 rpm -i *.rpm 
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3. Install CDP Linux Device Driver (Please note before doing this step, you have either done step 1 OR step 2 completely)
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3.1 Compiling CDP Kernel Module Against Kernel Headers or Kernel Source Tree
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r1soft-setup --test-connection 
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3.2 Install Kernel Sources
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 yum install kernel-devel 
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3.3 Verify that the Source Matches Your Running Kernel
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In order to proceed to the steps 4, first please make sure that kernel-devel version is equal to kernel version on the server.

uname -a  ---- To check all the server details like version, contron panel, architexture, etc.
uname -r  ---- To check the current Kernel Version.
rpm -qa |grep kernel  ---- It will show up with the o/p window like below

-------------------------------
[root@host5 ~]# rpm -qa |grep kernel
kernel-firmware-2.6.32-531.23.3.lve1.2.66.el6.noarch
dracut-kernel-004-356.el6.noarch
kernel-devel-2.6.32-531.1.2.lve1.2.54.el6.x86_64
kernel-2.6.32-458.23.2.lve1.2.45.el6.x86_64
kernel-2.6.32-531.1.2.lve1.2.54.el6.x86_64
kernel-devel-2.6.32-531.23.3.lve1.2.65.el6.x86_64
kernel-2.6.32-458.18.1.lve1.2.39.el6.x86_64
abrt-addon-kerneloops-2.0.8-26.el6.x86_64
libreport-plugin-kerneloops-2.0.9-21.el6.x86_64
lp-kernelupdate-1.1-1.noarch
kernel-headers-2.6.32-531.23.3.lve1.2.66.el6.x86_64
kernel-devel-2.6.32-531.23.3.lve1.2.66.el6.x86_64
-------------------------------

(Here, make sure that version of kernel-devel = kernel version. If its different, then you will need to either upgrade Kernel version to match the kernel-Devel version or vice-versa.)


If Kernel version < 
kernel-devel version then do below
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yum -y update kernel  ----- To update the kenel version

If above command doesn't find anything to update, then you will need to manually update the kenel version
=> 

Download corresponding Kernel RPM for e.g.

cd ~/rpmbuild/SPECS

wget http://vault.centos.org/6.6/updates/Source/SPackages/kernel-2.6.32-504.3.3.el6.src.rpm

rpm -Uvh kernel-2.6.32-504.3.3.el6.src.rpm ---- To install the RPM

rpmbuild -bp --target=$(uname -m) kernel.spec

pico /etc/grub.conf  ----- Keep  default=0 and reboot the server.

reboot

Once the server is online again, check the kernel version again,

uname -r  --- it must be showing updated kernel version
====================

Once the Kernel version matched 
kernel-devel version, we can proceed further for the step 4.




4) Build the CDP Kernel Module
=> 

To attempt to build the kernel module, run the following command

r1soft-setup --get-module

If module has been compiled and installed successfully, you will see an output similar to the following:

------------------------
 Saving kernel module to '/lib/modules/r1soft/hcpdriver-cki-2.6.32-220.4.1.el6.x86_64.ko'
Kernel module is now installed.
Use '/etc/init.d/cdp-agent restart' to load the new driver
------------------------


Run this: lsmod | grep hcpdriver ----- To check module is there or not.

for e.g
------------------
root@server36 [~]# lsmod | grep hcpdriver
hcpdriver              75728  4
------------------


Once done, just restart the cdp agent service by using below command

/etc/init.d/cdp-agent restart




5) Connect this cdp agent or slave to its master backup server
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5.1 Open ports on slave server
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iptables -A INPUT -p tcp --dport 1167 -j ACCEPT
iptables -A INPUT -p tcp --dport 8080 -j ACCEPT
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5.2 Connect Slave to backup master server
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r1soft-setup --get-key http://masterserver ip:8080/

for e.g. r1soft-setup --get-key http://162.246.60.104:8080/
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