configure date and time in centos

yum install ntp
chkconfig ntpdate on

add to /etc/ntp/step-tickers
# List of servers used for initial synchronization.
server 0.bg.pool.ntp.org
server 1.bg.pool.ntp.org
server 2.bg.pool.ntp.org
server 3.bg.pool.ntp.org

service ntpdate restart

rm /etc/localtime
ln -s /usr/share/zoneinfo/Europe/Sofia /etc/localtime
/etc/init.d/ntpdate restart
hwclock –systohc

create partitions using parted command line interface

parted /dev/sda
print
(parted) mklabel msdos
Warning: The existing disk label on /dev/sda will be destroyed and all data on this disk will be lost. Do you want to continue?
Yes/No? yes
(parted) unit GB
(parted) mkpart primary ext4 0gb 35gb
(parted) mkpart primary linux-swap 35gb 37gb
(parted) mkpart primary ext4 37gb 250gb
(parted) set 1 boot on
(parted) print
Model: ATA WDC WD2500AAKS-0 (scsi)
Disk /dev/sda: 250GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number Start End Size Type File system Flags
1 0.00GB 35.0GB 35.0GB primary boot
2 35.0GB 37.0GB 2.00GB primary
3 37.0GB 250GB 213GB primary

(parted) quit
Information: You may need to update /etc/fstab.

BGP: Assertion `ret != ((void *)0)’ failed in file bgp_attr.c, line 677, function bgp_attr_unintern

BGP: Assertion `ret != ((void *)0)’ failed in file bgp_attr.c, line 677, function bgp_attr_unintern
BGP: No backtrace available on this platform.
ZEBRA: client 15 disconnected. XXXXXX bgp routes removed from the rib

This is a crash log from quagga on freebsd.To solve the problem update your quagga version!!!