Mirror Setup Process

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Revision as of 15:38, 4 April 2009 by Mccarrms (talk | contribs) (New page: This page summarizes how Mirror was set up in Spring 2009. ==Install== *Installed CentOS 5.3 x64. **Partition Scheme *** *** *** ==Configuration== ===Updated VM=== *Added RPMForge Yu...)
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This page summarizes how Mirror was set up in Spring 2009.

Install

  • Installed CentOS 5.3 x64.
    • Partition Scheme

Configuration

Updated VM

  • yum install yum-fastestmirror vim-enhanced gcc emacs-nox screen
  • yum update

Created Users

  • Created user mccarrms
    • /usr/sbin/useradd -m mccarrms
  • Set password for mccarrms
    • passwd mccarrms
  • Created user ignazirj
    • /usr/sbin/useradd -m ignazirj
  • Set password for ignazirj
    • passwd ignazirj


Configured Sudo

  • /usr/sbin/visudo
## Sudoers allows particular users to run various commands as
## the root user, without needing the root password.

## Networking
Cmnd_Alias NETWORKING = /sbin/route, /sbin/ifconfig, /bin/ping, /sbin/dhclient, /usr/bin/net, /sbin/iptables, /usr/bin/rfcomm, /usr/bin/wvdial, /sbin/iwconfig, /sbin/mii-tool

## Installation and management of software
Cmnd_Alias SOFTWARE = /bin/rpm, /usr/bin/up2date, /usr/bin/yum

## Services
Cmnd_Alias SERVICES = /sbin/service, /sbin/chkconfig

## Updating the locate database
Cmnd_Alias LOCATE = /usr/sbin/updatedb

## Storage
Cmnd_Alias STORAGE = /sbin/fdisk, /sbin/sfdisk, /sbin/parted, /sbin/partprobe, /bin/mount, /bin/umount

## Delegating permissions
Cmnd_Alias DELEGATING = /usr/sbin/visudo, /bin/chown, /bin/chmod, /bin/chgrp

## Processes
Cmnd_Alias PROCESSES = /bin/nice, /bin/kill, /usr/bin/kill, /usr/bin/killall

## Drivers
Cmnd_Alias DRIVERS = /sbin/modprobe

## Shells
Cmnd_Alias SHELLS = /bin/sh, /bin/bash, /usr/bin/rsh, /bin/dash, /bin/rbash, /bin/su

## Users
Cmnd_Alias USERS = /usr/sbin/useradd, /usr/sbin/userdel, /usr/sbin/userhelper, /usr/sbin/usermod, /usr/sbin/usernetctl

Defaults    requiretty

Defaults    env_reset,tty_tickets,lecture=always,logfile=/var/log/sudo.log
Defaults    env_keep = "COLORS DISPLAY HOSTNAME HISTSIZE INPUTRC KDEDIR \
                        LS_COLORS MAIL PS1 PS2 QTDIR USERNAME \
                        LANG LC_ADDRESS LC_CTYPE LC_COLLATE LC_IDENTIFICATION \
                        LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC \
                        LC_PAPER LC_TELEPHONE LC_TIME LC_ALL LANGUAGE LINGUAS \
                        _XKB_CHARSET XAUTHORITY"

## Allow root to run any commands anywhere
root    ALL=(ALL)       ALL
%wheel  ALL=(ALL)       ALL

Configured Networks

  • Configured hostname in /etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=mirror.clarkson.edu
GATEWAY=128.153.145.1
  • Verified eth0 configuration for Clarkson Network in /etc/sysconfig/network-scripts/ifcfg-eth0
# Intel Corporation 82541PI Gigabit Ethernet Controller
DEVICE=eth0
BOOTPROTO=static
BROADCAST=128.153.145.255
HWADDR=00:1B:21:28:C8:48
IPADDR=128.153.145.19
NETMASK=255.255.255.0
NETWORK=128.153.145.0
ONBOOT=yes
  • Verified eth1 configuration for the Server Room Network in /etc/sysconfig/network-scripts/ifcfg-eth1
# Intel Corporation 82566DM-2 Gigabit Network Connection
DEVICE=eth1
BOOTPROTO=static
BROADCAST=10.0.1.255
HWADDR=00:30:48:9A:DB:26
IPADDR=10.0.1.36
NETMASK=255.255.255.0
NETWORK=10.0.1.0
ONBOOT=yes
  • Verified eth2 configuration for the Internal Network in /etc/sysconfig/network-scripts/ifcfg-eth2
# Intel Corporation 82573L Gigabit Ethernet Controller
DEVICE=eth2
BOOTPROTO=static
BROADCAST=10.0.0.255
HWADDR=00:30:48:9A:DB:27
IPADDR=10.0.0.14
NETMASK=255.255.255.0
NETWORK=10.0.0.0
ONBOOT=yes

Configured Hosts

  • Edited /etc/hosts
127.0.0.1       localhost.localdomain localhost
::1             localhost6.localdomain6 localhost6
128.153.145.19  mirror.clarkson.edu mirror.cslabs.clarkson.edu mirror.cslabs mirror
10.0.1.36       mirror.sr.cslabs.clarkson.edu mirror.sr.cslabs mirror.sr
10.0.0.14       mirror.int.cslabs.clarkson.edu mirror.int.cslabs mirror.int

Configured DNS Servers

  • Edited /etc/resolv.conf
search clarkson.edu
nameserver 128.153.0.254
nameserver 128.153.5.254

Configured IPtables

Due to the sensitivity of this material, this config file has been left off; however, the following rules are needed.
  • Restarted iptables
    • /etc/init.d/iptables restart

Configured SSH

  • Edited /etc/ssh/sshd_config
Due to the sensitivity of this material, this config file has been left off.
  • Restarted sshd
    • /etc/init.d/sshd restart

Set Up SSH Login Banner

  • Edited /etc/issue.net
         _                 
  __ _  (_)__________  ____
 /  ' \/ / __/ __/ _ \/ __/
/_/_/_/_/_/ /_/  \___/_/

Configured Password Requirements

  • Edited /etc/login.defs
MAIL_DIR        /var/spool/mail

PASS_MAX_DAYS   360
PASS_MIN_DAYS   0
PASS_MIN_LEN    8
PASS_WARN_AGE   60

UID_MIN                   500
UID_MAX                 60000

GID_MIN                   500
GID_MAX                 60000

CREATE_HOME     yes

UMASK           077

USERGROUPS_ENAB yes

MD5_CRYPT_ENAB yes

ENCRYPT_METHOD MD5

Added Custom PATH Variables

  • Added the following to /etc/profile
PATH=$PATH:/usr/sbin/:/sbin/
export PATH

Set Up & Configured NTP

  • Installed NTP
    • yum install ntp
  • Edited /etc/ntp.conf
restrict default kod nomodify notrap nopeer noquery
restrict -6 default kod nomodify notrap nopeer noquery

restrict 127.0.0.1
restrict -6 ::1

restrict tick.clarkson.edu mask 255.255.255.255 nomodify notrap noquery
restrict tock.clarkson.edu mask 255.255.255.255 nomodify notrap noquery

server tick.clarkson.edu
server tock.clarkson.edu

server  127.127.1.0     # local clock
fudge   127.127.1.0 stratum 10

driftfile /var/lib/ntp/drift

keys /etc/ntp/keys
  • Edited /etc/ntp/step-tickers
tick.clarkson.edu
tock.clarkson.edu
  • Configured ntpd to start on boot
    • /sbin/chkconfig --levels 35 ntpd on
  • Started ntpd
    • /etc/init.d/ntpd start

Configured ntpd to Sync Hardware Clock

  • Edited /etc/sysconfig/ntpd
# Drop root to id 'ntp:ntp' by default.
OPTIONS="-u ntp:ntp -p /var/run/ntpd.pid"

# Set to 'yes' to sync hw clock after successful ntpdate
SYNC_HWCLOCK=yes

# Additional options for ntpdate
NTPDATE_OPTIONS=""

Configured to Power On when Power is Restored

  • Edited the BIOS to have Restore on AC/Power Loss set to Power On.
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