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Scientific Linux CERN 6 (SLC6) Installation

Scientific Linux CERN 5 (SLC5) Installation

System Installation

Follow the instructions on http://linux.web.cern.ch/linux/scientific5/docs/install.shtml

  1. Create a boot image for a 64 bit system
  2. Reboot your computer and press F2 (F12) at startup
  3. In the BIOS setup add CD/DVD to boot devices; save BIOS setup and reboot
  4. Select http as installation method
  5. Installation server is: linuxsoft.cern.ch
  6. Installation path is: /cern/slc5X/x86_64/
  7. Keep default partition layout
  8. Set host name to xxx.physics.purdue.edu: e.g. serret.physics.purdue.edu
  9. Enable network time protocol (server: harbor.ecn.purdue.edu)
  10. Set Time Zone to: America/Indianapolis

Customize System

Follow these instructions to mount PCN home directories with pam-cifs.
Do not forget:

ln -s /lib/security/pam_cifs.so /lib64/security/pam_cifs.so
  1. Create /data
    mkdir /data
    chmod a+rwx /data
    
    All users should create their own directory in /data (e.g. mkdir /data/norbert) to store local data (no backup).
  2. /etc/sysconfig/network
    NETWORKING=yes
    HOSTNAME=xxxx.physics.purdue.edu
    NISDOMAIN=purdue-pcn
    
  3. /etc/hosts
    127.0.0.1               localhost.localdomain localhost xxx.physics.purdue.edu
    
  4. /etc/group
    zh:x:1399:
    phys:x:1109:
    
  5. Install CUPS printers: Add the following line to the file /etc/cups/client.conf
    ServerName spool.physics.purdue.edu
    
  6. Install the amd automounter and make sure autofs is switched off
    yum install am-utils
    
  7. /etc/amd.conf
    # GLOBAL OPTIONS SECTION
    [ global ]
    normalize_hostnames =   no
    print_pid =             yes
    pid_file =              /var/run/amd.pid
    restart_mounts =        yes
    auto_dir =              /net
    #log_file =             /var/log/amd
    log_file =              syslog
    log_options =           all
    #debug_options =        all
    plock =                 no
    selectors_on_default =  yes
    print_version =         no
    #map_type =             file
    search_path =           /etc
    browsable_dirs =        yes
    show_statfs_entries =   no
    fully_qualified_hosts = no
    cache_duration =        300
    
    # DEFINE AN AMD MOUNT POINT
    [/home]
    map_name = amd.home
    
    [/project]
    map_name = amd.project
    
  8. /etc/amd.home
    #comment: amd.home map
    /defaults       fs:=/net/${rhost}/home;\
                    opts:=rw,bg,grpid,intr,nosuid,nodevs,quota,proto=udp,vers=3,\
                    rsize=8192,wsize=8192,timeo=8,retrans=4;\
                    rfs:=/net/${rhost}/home;\
                    sublink:=${key};\
                    type:=nfsl
    
    #-- All other accounts
    
    # Everbody else falls back to a * entry
    *               rhost:=aristotle
    
    /etc/amd.project
    #comment: amd.project map
    /defaults       fs:=/net/${rhost.}/project;\
                    opts:=rw,bg,grpid,intr,nosuid,nodevs,proto=tcp,vers=3,\
                    rsize=16384,wsize=16384,timeo=8,retrans=4;\
                    rfs:=/net/${rhost.}/project;\
                    sublink:="${key}";\
                    type:=nfsl
    
    cmsphys         rhost:=kepler;rfs:=/net/${rhost.}/project0;fs:=${rfs}
    
  9. /etc/krb5.conf
    [libdefaults]
     default_realm = CERN.CH
     ticket_lifetime = 25h
     renew_lifetime = 120h
     forwardable = true
     proxiable = true
     default_tkt_enctypes = arcfour-hmac-md5 aes256-cts aes128-cts des3-cbc-sha1 des-cbc-md5 des-cbc-crc
    
    [realms]
     CERN.CH = {
      default_domain = cern.ch
      kpasswd_server = afskrb5m.cern.ch
      admin_server = afskrb5m.cern.ch
      kdc = cerndc.cern.ch
    
      v4_name_convert = {
         host = {
             rcmd = host
         }
      }
     }
    
     FNAL.GOV = {
      default_domain = fnal.gov
      admin_server = krb-fnal-admin.fnal.gov
      kdc = krb-fnal-1.fnal.gov:88
      kdc = krb-fnal-2.fnal.gov:88
      kdc = krb-fnal-3.fnal.gov:88
     }
    
     CENTRAL.PURDUE.LCL = {
      kdc = 128.210.63.203
      kdc = 1061cendc01.central.purdue.lcl
      admin_server = 1061cendc01.central.purdue.lcl
      default_domain = 1061cendc01.central.purdue.lcl
     }
    
    [domain_realm]
     .cern.ch = CERN.CH
     .fnal.gov = FNAL.GOV
     .central.purdue.lcl = CENTRAL.PURDUE.LCL
     central.purdue.lcl = CENTRAL.PURDUE.LCL
    
    [appdefaults]
     pam = {
       external = true
       krb4_convert = false
       krb4_convert_524 = false
       krb4_use_as_req = false
       ticket_lifetime = 25h
     }
    
    
  10. /etc/yp.conf
    domain purdue-pcn broadcast
    
  11. /etc/ldap.conf
    host volta.physics.purdue.edu
    base dc=physics,dc=purdue,dc=edu
    uri ldaps://volta.physics.purdue.edu
    ssl start_tls
    ssl on
    ldap_version 3
    tls_checkpeer yes
    tls_cacertfile /usr/share/purple/ca-certs/Thawte_Premium_Server_CA.pem
    tls_cacertdir /etc/openldap/cacerts
    # you may need to symlink Thawte_Premium_Server_CA.pem in /etc/openldap/cacerts
    rootbinddn cn=admin,dc=physics,dc=purdue,dc=edu
    
    pam_password md5
    
    binddn cn=unsupported,dc=physics,dc=purdue,dc=edu
    bindpw *********
    
  12. chmod 0600 /etc/ldap.conf (Note: Because of a bug it needs to be chmod 0644 /etc/ldap.conf)
  13. ln -s /bin/bash /usr/local/bin/bash
  14. ln -s /usr/share/purple/ca-certs/Thawte_Premium_Server_CA.pem /etc/openldap/cacerts/.
  15. /etc/nsswitch.conf
    passwd:     files ldap nis
    shadow:     files ldap
    group:      files nis
    
    hosts:      files nis dns
    
    bootparams: nisplus [NOTFOUND=return] files
    
    ethers:     files
    netmasks:   files
    networks:   files
    protocols:  files
    rpc:        files
    services:   files
    
    netgroup:   files nis ldap
    
    publickey:  nisplus
    
    automount:  files nis ldap
    aliases:    files nisplus
    
  16. /etc/sysconfig/authconfig
    USEMD5=no
    USECRACKLIB=yes
    USEDB=no
    USEHESIOD=no
    USELDAP=yes
    USENIS=yes
    USEPASSWDQC=no
    USEWINBIND=no
    USEKERBEROS=yes
    USELDAPAUTH=yes
    USESHADOW=yes
    USESMBAUTH=no
    USEWINBINDAUTH=no
    USELOCAUTHORIZE=yes
    PASSWDALGORITHM=md5
    
  17. /etc/ssh/ssh_config
    GSSAPIAuthentication yes
    GSSAPIDelegateCredentials yes
    PubkeyAuthentication no
    PasswordAuthentication yes
    
  18. AFS
     /sbin/chkconfig --add afs
     /sbin/chkconfig --add amd
     /sbin/chkconfig --del autofs
     /sbin/chkconfig --del iptables
     /sbin/chkconfig autofs off
     /sbin/chkconfig iptables off
     /sbin/chkconfig amd on
     /sbin/service autofs stop
     /sbin/service iptables stop
     /sbin/service amd start
    
  19. /etc/passwd (This will allow you to login with your CERN afs account and mounts your CERN afs home directory)
    neumeist:x:11701:1399:Norbert NEUMEISTER:/afs/cern.ch/user/n/neumeist:/bin/tcsh
    aeverett:x:8547:1399:Adam EVERETT:/afs/cern.ch/user/a/aeverett:/bin/tcsh
    hdyoo:x:34127:1399:Hwidong YOO:/afs/cern.ch/user/h/hdyoo:/bin/tcsh
    asvyatko:x:24584:1399:Alexey SVYATKOVKIY:/afs/cern.ch/user/a/asvyatko:/bin/tcsh
    
  20. /etc/pam.d/system-auth (for pam_cifs mounted homedirs)
    auth        required      pam_env.so
    auth        sufficient    pam_unix.so nullok try_first_pass
    auth        required      pam_cifs.so debug
    auth        sufficient    pam_krb5.so use_first_pass
    auth        sufficient    pam_ldap.so use_first_pass debug
    auth        required      pam_deny.so
    
    account     sufficient    pam_unix.so broken_shadow
    account     sufficient    pam_localuser.so
    account     sufficient    pam_succeed_if.so uid < 500 quiet
    account     [default=bad success=ok user_unknown=ignore] pam_krb5.so
    account     [default=bad success=ok user_unknown=ignore] pam_ldap.so debug
    account     required      pam_permit.so
    
    password    requisite     pam_cracklib.so try_first_pass retry=3
    password    sufficient    pam_unix.so md5 shadow nis nullok try_first_pass use_authtok
    password    sufficient    pam_krb5.so use_authtok
    password    sufficient    pam_ldap.so use_authtok debug
    password    required      pam_deny.so
    
    session    optional     pam_keyinit.so revoke
    session    required     pam_limits.so
    session    [success=1   default=ignore] pam_succeed_if.so service in crond quiet use_uid
    session    required     pam_mkhomedir.so umask=077 skel=/etc/skel
    session    required     pam_unix.so
    session    required     pam_krb5.so
    session    optional     pam_cifs.so debug background=0 prefix=/home mount_home=1 source=//gutenberg.physics.purdue.edu windomain=ONEPURDUE
    
  21. /etc/pam.d/system-auth (for amd mounted homedirs)
    auth        required      pam_env.so
    auth        sufficient    pam_unix.so nullok try_first_pass
    auth        requisite     pam_succeed_if.so uid >= 500 quiet
    auth        sufficient    pam_krb5.so use_first_pass
    auth        sufficient    pam_ldap.so use_first_pass
    auth        required      pam_deny.so
    
    account     sufficient    pam_unix.so broken_shadow
    account     sufficient    pam_localuser.so
    account     sufficient    pam_succeed_if.so uid < 500 quiet
    account     [default=bad success=ok user_unknown=ignore] pam_ldap.so
    account     [default=bad success=ok user_unknown=ignore] pam_krb5.so
    account     required      pam_permit.so
    
    password    requisite     pam_cracklib.so try_first_pass retry=3
    password    sufficient    pam_unix.so md5 shadow nis nullok try_first_pass use_authtok
    password    sufficient    pam_krb5.so use_authtok
    password    sufficient    pam_ldap.so use_authtok
    password    required      pam_deny.so
    
    session     optional      pam_keyinit.so revoke
    session     required      pam_limits.so
    session     [success=1 default=ignore] pam_succeed_if.so service in crond quiet use_uid
    session     required      pam_unix.so
    session     required      pam_krb5.so
    session     optional      pam_ldap.so
    
  22. Firewall: Switch off iptables
  23. Java: Download and install Java SE Runtime Environment JRE 6 (select Linux_64)
  24. /etc/mime.types
    type=application/x-java-jnlp-file desc="Java Web Start" exts="jnlp
    
  25. In addition you want to install: flash-plugin.x86_64, mplayer.x86_64, mplayer-gui.x86_64, gnome-mplayer.x86_64, kmplayer.x86_64, mplayer-codecs-addon.i386, mplayer-doc.x86_64, jre.x86_64
  26. switch off nscd: /etc/init.d/nscd stop

Scientific Linux CERN 6 (SLC6) Installation

Customize System

  1. Install
    yum install openldap-clients
    yum install nss-pam-ldapd
    rpm -U am-utils-6.1.5-14.fc12.x86_64.rpm
    
  2. turn on ypbind
  3. turn off sssd
     /sbin/chkconfig --del sssd
     /sbin/chkconfig --add ypbind
     /sbin/chkconfig sssd off
     /sbin/chkconfig ypbind on
    
  4. instead of /etc/ldap.conf use /etc/pam_ldap.conf and /etc/nslcd.conf
  5. run
    authconfig --enablekrb5 --enablenis --enableldap --update
    
  6. /etc/nslcd.conf add the following lines
    uri ldaps://volta.physics.purdue.edu
    base dc=physics,dc=purdue,dc=edu
    ssl no
    ldap_version 3
    binddn cn=unsupported,dc=physics,dc=purdue,dc=edu
    bindpw **********
    tls_reqcert allow
    
    #tls_cacertfile /usr/share/purple/ca-certs/Thawte_Premium_Server_CA.pem
    #tls_cacertdir /etc/openldap/cacerts
    
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