Spike

OS: CentOS 6.2
Cacti version: 0.8.8

If you get the error in subject importing a template, simply edit /var/www/cacti/include/global_array.php, at line 558 add a comma at the end

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"0.8.7i" => "0023",

and after it add a new line

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"0.8.8" => "0024"

Enjoy

Form Debian Unstable packages list
http://packages.debian.org/source/unstable/mssh
download
mssh_1.2.orig.tar.gz
mssh_1.2-1.1.diff.gz

Untar both files

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tar xzf mssh_1.2.orig.tar.gz

gunzip mssh_1.2-1.1.diff.gz

Apply the patch

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patch -p0 < mssh_1.2-1.1.diff

Enter mssh directory

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cd mssh-1.2/

Be sure you have installed the following packages

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su -c "yum install GConf2-devel gtk2-devel vte-devel"

Run configure

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./configure

Run make

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make

Then make install (as root)

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su -c "make install"

Enjoy

Install SNMP

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yum install net-snmp-utils net-snmp-libs

Create a new user using the net-snmp-create-v3-user command

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Usage:

net-snmp-create-v3-user [-ro] [-A authpass] [-X privpass]

[-a MD5|SHA] [-x DES|AES] [username]
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[root@centos-mail ~]# net-snmp-create-v3-user -ro -A auth_password -X privacy_password -a SHA -x AES cactiuser

adding the following line to /var/lib/net-snmp/snmpd.conf:

   createUser cactiuser SHA "auth_password" AES privacy_password

adding the following line to /etc/snmp/snmpd.conf:

   rouser cactiuser

Test it with

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snmpwalk -v 3 -u cactiuser -a SHA -A "auth_password" -l authPriv -x AES -X "privacy_password" localhost

Change auth_password and privacy_password with your passwords.

Enjoy

SOURCE: SNMP v3 Setup Guide by Digital Servitude

To mount a nfs share from a CentOS

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yum install nfs-utils

chkconfig rpcbind on

service rpcbind start

Now you can mount it

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mount 192.168.0.50:/backup /mnt/backup/

If you try to login with Google Music Manager installed on a virtual machine, you get the following error

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Login failed: Could not identify your computer

It checks your NIC MAC address, so all you have to do is to change it to something that belongs to a real vendor.
For example, if you MAC address is

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e0:cb:xx:xx:25:0b

Simply change the last character/number to something else:

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e0:cb:xx:xx:25:0c

Enjoy