Table of Contents

The objective of this page is to create a server that is a duplicate of the original server.

Setting up packages

export yumver=5.6
export arch=-i386
export arch=-x86_64
export site=192.168.20.254

rpm --import http://$site/mrepo/centos$yumver$arch/disc1/RPM-GPG-KEY-CentOS-5
rpm --import http://$site/mrepo/centos$yumver$arch/disc1/RPM-GPG-KEY-beta
rpm --import http://$site/mrepo/kickstart/RPM-GPG-KEY.dag.txt

mkdir /etc/yum.repos.d/archive
mv /etc/yum.repos.d/C* /etc/yum.repos.d/archive/
rm -fr /etc/yum.repos.d/CentOS-ai.repo
/bin/cat << EOF >> /etc/yum.repos.d/CentOS-ai.repo
[dag]
name=Inhouse Access Dag repository
baseurl=http://$site/mrepo/centos$yumver$arch/RPMS.dag

[extras]
name=Inhouse Access Extra repository
baseurl=http://$site/mrepo/centos$yumver$arch/RPMS.extras

#[local]
#name=Inhouse Access Local repository
#baseurl=http://$site/mrepo/centos$yumver$arch/RPMS.local

#[contrib]
#name=Inhouse Access OS repository
#baseurl=http://$site/mrepo/centos$yumver$arch/RPMS.contrib

[os]
name=Inhouse Access OS repository
baseurl=http://$site/mrepo/centos$yumver$arch/RPMS.os

[updates]
name=Inhouse Access Updatesrepository
baseurl=http://$site/mrepo/centos$yumver$arch/RPMS.updates
EOF

yum -y upgrade

#Install what you want, this is just a list.

yum -y install iputils libcap tcpdump lynx dhcp libjpeg gettext \
    ncompress m4 authconfig automake dev86 bison byacc cdecl cpp cproto ctags \
    glibc-kernheaders glibc-devel ElectricFence flex gdb make patch binutils gcc \
    libdbi htmlview dovecot libdbi-dbd-mysql MyODBC \
    mysql mysql-server mysqlclient10 mysqlclient10-devel mysql-bench \
    openldap cups cups-libs cups-devel openldap-server krb5-workstation mc \
    clamav clamd clamav-milter emacs shadow-utils cacti net-snmp-utils net-snmp \
    php-imap php-domxml php php-ldap php-mysql php-imap php-odbc php-gd php-xml php-xmlrpc  \
    perl-Digest-SHA1 perl-Net-DNS perl-Time-HiRes perl-Digest-HMAC perl-DBI perl-DBD-MySQL mysql-devel  \
    perl-Convert-ASN1 perl-XML-SAX perl-LDAP  perl-Crypt-SSLeay perl-XML-NamespaceSupport \
    perl-HTML-Tagset perl-HTML-Parser perl-Convert-BER perl-Mon perl-Net-SSLeay

Areas that need to be replicated

1. /home
2. /etc (Various configuration files)
3. /var/named
4. /var/lib/mysql
5. /var/spool/mail
6. /var/www

Replicating configurations

1. DNS (resolv.conf)
2. HTTP
3. DHCP
4. SNMP
5. Rsync
6. NTP
7. Hosts
8. Dovecot (
9. Samba
10. sarg
11. horde

export ARCHIVE=/home/rsync/fstn
cp $ARCHIVE/etc/resolv.conf /etc
mkdir -p /var/named/chroot/var/named
cp $ARCHIVE/var/named /var/named

cp -r $ARCHIVE/var/www /var/www

cp $ARCHIVE/etc/dhcpd.conf /etc

touch /var/lib/dhcpd/dhcpd.leases
/bin/rm /etc/sysconfig/dhcpd
echo "# Command line options here">>/etc/sysconfig/dhcpd
echo "DHCPDARGS=eth0">>/etc/sysconfig/dhcpd
chmod 700 /etc/rc.d/init.d/dhcpd
chown 0.0 /etc/rc.d/init.d/dhcpd
/sbin/chkconfig --add dhcpd
/sbin/chkconfig --level 345 dhcpd on

cp -f $ARCHIVE/etc/snmp/snmpd.conf /etc/snmp

/sbin/chkconfig --add snmpd
/sbin/chkconfig --level 345 snmpd on

cp $ARCHIVE/etc/ntp.conf /etc

cp $ARCHIVE/etc/ntp/step-tickers

/sbin/chkconfig --add ntpd
/sbin/chkconfig --level 345 ntpd on

cp $ARCHIVE/etc/hosts /etc
cp $ARCHIVE/etc/hosts.allow /etc
cp $ARCHIVE/etc/hosts.deny /etc
cp $ARCHIVE/etc/host.conf /etc

emacs /etc/dovecot.conf

#USERS
rm -fr /home/grep-exclude
/bin/cat << EOF >> /home/grep-exclude
x:5:
x:50:
x:51:
x:52:
x:53:
x:54:
x:55:
x:56:
x:57:
x:58:
x:59:
EOF

cat $ARCHIVE/etc/passwd|grep x:5|grep -v --file=/home/grep-exclude>>/etc/passwd
cat $ARCHIVE/etc/group|grep x:5|grep -v --file=/home/grep-exclude>>/etc/group
cat $ARCHIVE/etc/shadow|grep -v ":\!\!:">>/etc/shadow
vi /etc/passwd
vi /etc/group
vi /etc/shadow

# If you have users in in the 600, 700 range, just change the /home/grep-exlcude to reflect this.
cp $ARCHIVE/etc/samba/smb.conf /etc/samba
cp $ARCHIVE/etc/samba/smbpasswd /etc/samba