Posts tagged ‘CentOS’

Various Time Scripts

To see the offset for a range of system

for X in `cat YourList.txt`
do
Y=`ssh $X -l root 'ntpdate -q 10.168.XX.XX' | awk -F, '{print $3}'`
echo $X $Y
done

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Error on yum

If you get the error

Metadata file does not match checksum

You can fix it with

 yum clean metadata

To create multiple IPs per Interface in CentOS 5

Create the virtual interface

vi /etc/sysconfig/network-scripts/ifcfg-eth0:0

Populate the file

DEVICE=eth0:0
ONPARENT=yes
IPADDR=10.10.10.10

Bring up the interface

/sbin/ifup eth0:0

The interface will be brought up and down automatically as the parent interface (eth0) changes state.