CERN CentOS 7 (CC7) Installation
System Installation
Follow the instructions on http://linux.web.cern.ch/linux/centos7/docs/install.shtml
- Create a boot image for a 64 bit system
- Reboot your computer and press F2 (F12) at startup
- In the BIOS setup add CD/DVD to boot devices; save BIOS setup and reboot
- Select http as installation method
- Installation server is: linuxsoft.cern.ch
- Installation path is: /cern/centos/7/os//x86_64/
- Keep default partition layout
- Set host name to xxx.physics.purdue.edu: e.g. serret.physics.purdue.edu
- Enable network time protocol (server: harbor.ecn.purdue.edu)
- Set Time Zone to: America/Indianapolis
- Router: 128.210.67.1
- Name servers: 128.210.11.5, 128.210.11.57
Customize System
Download configuration file config.tar.
cd / tar --list --file=config.tar tar xvf /config.tar sed -i.bak "s/xte\.physics\.purdue.edu//g" /etc/hosts sed -i.bak "s/xte\.physics\.purdue.edu//g" /etc/sysconfig/network
Add /data and /project
mkdir /project mkdir /data chmod a+rwx /data ln -s /bin/bash /usr/local/bin/bash ln -s /usr/bin/bash /usr/local/bin/bash ln -s /usr/share/purple/ca-certs/Thawte_Premium_Server_CA.pem /etc/openldap/cacerts/.
All users should create their own directory in /data (e.g. mkdir /data/norbert) to store local data (no backup).
Edit /etc/sysconfig/network
NETWORKING=yes HOSTNAME=xxxx.physics.purdue.edu NISDOMAIN=purdue-pcn
Edit /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 xxx.physics.purdue.edu ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 128.210.67.227 aristotle.physics.purdue.edu aristotle 128.210.67.223 volta.physics.purdue.edu volta 128.210.67.83 fibonacci.physics.purdue.edu fibonacci
Edit /etc/group
zh:x:1399: phys:x:1109: wheel:x:10:nneumeis,cjorr
Install CUPS printers: Add the following line to the file /etc/cups/client.conf
ServerName spool.physics.purdue.edu
Install services
yum install nss-pam-ldapd yum install iptables-services yum install sudo authconfig ypbind autofs chkconfig nfs-utils rpcbind
Firewall: Edit /etc/sysconfig/iptables
*filter # Create a new chain that will accept tcp and udp. -N ACCEPT_TCP_UDP -A ACCEPT_TCP_UDP -p tcp -j ACCEPT -A ACCEPT_TCP_UDP -p udp -j ACCEPT # Allows all loopback (lo0) traffic and drop all traffic to 127/8 that doesn't use lo0 -A INPUT -i lo -j ACCEPT -A INPUT ! -i lo -d 127.0.0.0/8 -j REJECT # Accepts all established inbound connections -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT # Allows all outbound traffic # You could modify this to only allow certain traffic -A OUTPUT -j ACCEPT # We trust the locals. -A INPUT -m state --state NEW -s 10.164.17.128/25 -j ACCEPT_TCP_UDP -A INPUT -m state --state NEW -s 10.164.18.0/24 -j ACCEPT_TCP_UDP -A INPUT -m state --state NEW -s 10.164.19.0/25 -j ACCEPT_TCP_UDP -A INPUT -m state --state NEW -s 10.164.26.128/25 -j ACCEPT_TCP_UDP -A INPUT -m state --state NEW -s 10.164.81.128/25 -j ACCEPT_TCP_UDP -A INPUT -m state --state NEW -s 10.164.82.0/24 -j ACCEPT_TCP_UDP -A INPUT -m state --state NEW -s 10.164.83.0/25 -j ACCEPT_TCP_UDP -A INPUT -m state --state NEW -s 128.210.146.0/24 -j ACCEPT_TCP_UDP -A INPUT -m state --state NEW -s 128.210.67.0/24 -j ACCEPT_TCP_UDP -A INPUT -m state --state NEW -s 128.210.68.0/24 -j ACCEPT_TCP_UDP -A INPUT -m state --state NEW -s 128.210.69.0/24 -j ACCEPT_TCP_UDP # Due to the way fortress.rcac's hsi/htar client works, we must # do this. Reference: https://www.rcac.purdue.edu/storage/fortress/faq/ # Best guess: The documentation is being generic and it's not completely true. # If someone compromises fortress, it would be a bad day. 9/17/2015 cjorr -A INPUT -m state --state NEW -m iprange --src-range 128.210.251.141-128.210.251.148 -j ACCEPT_TCP_UDP # Permit ssh from * -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT # ICMP is good. Probably. Some disagree. -A INPUT -p icmp -j ACCEPT # log iptables denied calls (access via 'dmesg' command) -A INPUT -m limit --limit 5/min -j LOG --log-prefix "iptables denied: " --log-level 7 # Reject all other inbound - default deny unless explicitly allowed policy: -A INPUT -j REJECT -A FORWARD -j REJECT COMMIT
Edit /usr/vice/etc/ThisCell
cern.ch
Edit /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 chpw_prompt = true allow_weak_crypto = true [realms] CERN.CH = { default_domain = cern.ch kpasswd_server = cerndc.cern.ch admin_server = cerndc.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 }/etc/ssh/ssh_config
GSSAPIAuthentication yes GSSAPIDelegateCredentials yes GSSAPIKeyExchange no GSSAPITrustDNS yes PubkeyAuthentication no PasswordAuthentication yes
Automount /project, /home, /cvmfs:
/etc/auto.master:# /misc /etc/auto.misc /project /etc/auto.project /home /etc/auto.home /cvmfs /etc/auto.cvmfs /net -hosts +auto.master
/etc/auto.home:
* -fstype=nfs,rw,soft,intr,rsize=32768,wsize=32768,nolock aristotle.physics.purdue.edu:/net/aristotle/home/&
/etc/auto.project:
cmsphys -fstype=nfs,rw,grpid,soft,intr,nosuid,nodev,rsize=16384,wsize=16384,timeo=8,retrans=4,proto=tcp kepler:/net/kepler/project0/cmsphys * -fstype=nfs,rw,grpid,soft,intr,nosuid,nodev,rsize=16384,wsize=16384,timeo=9,retrans=4,proto=tcp kepler:/net/kepler/project0/&
- Edit
etc/nslcd.conf
etc/ssl/certs/InCommonSHA2.pem
etc/nsswitch.conf
etc/yp.conf
etc/pam_ldap.conf
etc/hosts
etc/sssd/sssd.conf
etc/openldap/ldap.conf
etc/sudoers
turn on services
systemctl stop firewalld systemctl disable firewalld systemctl start iptables systemctl enable iptables systemctl enable autofs systemctl start autofs systemctl enable nslcd systemctl start nslcd systemctl enable rpcbind systemctl start rpcbind systemctl enable ypbind systemctl start ypbind systemctl enable openafs systemctl start openafs
Edit /etc/pam_ldap.conf
#pam
Edit /etc/nslcd.conf
Scientific Linux CERN 6 (SLC6) Installation
System Installation
Follow the instructions on http://linux.web.cern.ch/linux/scientific6/docs/install.shtml
- Create a boot image for a 64 bit system
- Reboot your computer and press F2 (F12) at startup
- In the BIOS setup add CD/DVD to boot devices; save BIOS setup and reboot
- Select http as installation method
- Installation server is: linuxsoft.cern.ch
- Installation path is: /cern/slc6X/x86_64/
- Keep default partition layout
- Set host name to xxx.physics.purdue.edu: e.g. serret.physics.purdue.edu
- Enable network time protocol (server: harbor.ecn.purdue.edu)
- Set Time Zone to: America/Indianapolis
Customize System
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).
/etc/sysconfig/network
NETWORKING=yes HOSTNAME=xxxx.physics.purdue.edu NISDOMAIN=purdue-pcn
/etc/hosts
127.0.0.1 localhost.localdomain localhost xxx.physics.purdue.edu 128.210.67.227 aristotle.physics.purdue.edu aristotle 128.210.67.223 volta.physics.purdue.edu volta
/etc/group
zh:x:1399: phys:x:1109:
Install CUPS printers: Add the following line to the file /etc/cups/client.conf
ServerName spool.physics.purdue.edu
Install ldap
yum install openldap-clients yum install nss-pam-ldapd
Edit /etc/pam_ldap.conf
# @(#)$Id: ldap.conf,v 1.38 2006/05/15 08:13:31 lukeh Exp $ # # This is the configuration file for the LDAP nameservice # switch library and the LDAP PAM module. # # The man page for this file is pam_ldap(5) # # PADL Software # http://www.padl.com # # Your LDAP server. Must be resolvable without using LDAP. # Multiple hosts may be specified, each separated by a # space. How long nss_ldap takes to failover depends on # whether your LDAP client library supports configurable # network or connect timeouts (see bind_timelimit). #host 127.0.0.1 # The distinguished name of the search base. base dc=physics,dc=purdue,dc=edu # Another way to specify your LDAP server is to provide an # uri with the server name. This allows to use # Unix Domain Sockets to connect to a local LDAP Server. #uri ldap://127.0.0.1/ #uri ldaps://127.0.0.1/ #uri ldapi://%2fvar%2frun%2fldapi_sock/ # Note: %2f encodes the '/' used as directory separator # The LDAP version to use (defaults to 3 # if supported by client library) #ldap_version 3 # The distinguished name to bind to the server with. # Optional: default is to bind anonymously. #binddn cn=proxyuser,dc=example,dc=com # The credentials to bind with. # Optional: default is no credential. #bindpw secret # The distinguished name to bind to the server with # if the effective user ID is root. Password is # stored in /etc/ldap.secret (mode 600) #rootbinddn cn=manager,dc=example,dc=com # The port. # Optional: default is 389. #port 389 # The search scope. #scope sub #scope one #scope base # Search timelimit #timelimit 30 # Bind/connect timelimit #bind_timelimit 30 # Reconnect policy: hard (default) will retry connecting to # the software with exponential backoff, soft will fail # immediately. #bind_policy hard # Idle timelimit; client will close connections # (nss_ldap only) if the server has not been contacted # for the number of seconds specified below. #idle_timelimit 3600 # Filter to AND with uid=%s #pam_filter objectclass=account # The user ID attribute (defaults to uid) #pam_login_attribute uid # Search the root DSE for the password policy (works # with Netscape Directory Server) #pam_lookup_policy yes # Check the 'host' attribute for access control # Default is no; if set to yes, and user has no # value for the host attribute, and pam_ldap is # configured for account management (authorization) # then the user will not be allowed to login. #pam_check_host_attr yes # Check the 'authorizedService' attribute for access # control # Default is no; if set to yes, and the user has no # value for the authorizedService attribute, and # pam_ldap is configured for account management # (authorization) then the user will not be allowed # to login. #pam_check_service_attr yes # Group to enforce membership of #pam_groupdn cn=PAM,ou=Groups,dc=example,dc=com # Group member attribute #pam_member_attribute uniquemember # Specify a minium or maximum UID number allowed #pam_min_uid 0 #pam_max_uid 0 # Template login attribute, default template user # (can be overriden by value of former attribute # in user's entry) #pam_login_attribute userPrincipalName #pam_template_login_attribute uid #pam_template_login nobody # HEADS UP: the pam_crypt, pam_nds_passwd, # and pam_ad_passwd options are no # longer supported. # # Do not hash the password at all; presume # the directory server will do it, if # necessary. This is the default. #pam_password clear # Hash password locally; required for University of # Michigan LDAP server, and works with Netscape # Directory Server if you're using the UNIX-Crypt # hash mechanism and not using the NT Synchronization # service. #pam_password crypt # Remove old password first, then update in # cleartext. Necessary for use with Novell # Directory Services (NDS) #pam_password clear_remove_old #pam_password nds # RACF is an alias for the above. For use with # IBM RACF #pam_password racf # Update Active Directory password, by # creating Unicode password and updating # unicodePwd attribute. #pam_password ad # Use the OpenLDAP password change # extended operation to update the password. #pam_password exop # Redirect users to a URL or somesuch on password # changes. #pam_password_prohibit_message Please visit http://internal to change your password. # RFC2307bis naming contexts # Syntax: # nss_base_XXX base?scope?filter # where scope is {base,one,sub} # and filter is a filter to be &'d with the # default filter. # You can omit the suffix eg: # nss_base_passwd ou=People, # to append the default base DN but this # may incur a small performance impact. #nss_base_passwd ou=People,dc=example,dc=com?one #nss_base_shadow ou=People,dc=example,dc=com?one #nss_base_group ou=Group,dc=example,dc=com?one #nss_base_hosts ou=Hosts,dc=example,dc=com?one #nss_base_services ou=Services,dc=example,dc=com?one #nss_base_networks ou=Networks,dc=example,dc=com?one #nss_base_protocols ou=Protocols,dc=example,dc=com?one #nss_base_rpc ou=Rpc,dc=example,dc=com?one #nss_base_ethers ou=Ethers,dc=example,dc=com?one #nss_base_netmasks ou=Networks,dc=example,dc=com?ne #nss_base_bootparams ou=Ethers,dc=example,dc=com?one #nss_base_aliases ou=Aliases,dc=example,dc=com?one #nss_base_netgroup ou=Netgroup,dc=example,dc=com?one # attribute/objectclass mapping # Syntax: #nss_map_attribute rfc2307attribute mapped_attribute #nss_map_objectclass rfc2307objectclass mapped_objectclass # configure --enable-nds is no longer supported. # NDS mappings #nss_map_attribute uniqueMember member # Services for UNIX 3.5 mappings #nss_map_objectclass posixAccount User #nss_map_objectclass shadowAccount User #nss_map_attribute uid msSFU30Name #nss_map_attribute uniqueMember msSFU30PosixMember #nss_map_attribute userPassword msSFU30Password #nss_map_attribute homeDirectory msSFU30HomeDirectory #nss_map_attribute homeDirectory msSFUHomeDirectory #nss_map_objectclass posixGroup Group #pam_login_attribute msSFU30Name #pam_filter objectclass=User #pam_password ad # configure --enable-mssfu-schema is no longer supported. # Services for UNIX 2.0 mappings #nss_map_objectclass posixAccount User #nss_map_objectclass shadowAccount user #nss_map_attribute uid msSFUName #nss_map_attribute uniqueMember posixMember #nss_map_attribute userPassword msSFUPassword #nss_map_attribute homeDirectory msSFUHomeDirectory #nss_map_attribute shadowLastChange pwdLastSet #nss_map_objectclass posixGroup Group #nss_map_attribute cn msSFUName #pam_login_attribute msSFUName #pam_filter objectclass=User #pam_password ad # RFC 2307 (AD) mappings #nss_map_objectclass posixAccount user #nss_map_objectclass shadowAccount user #nss_map_attribute uid sAMAccountName #nss_map_attribute homeDirectory unixHomeDirectory #nss_map_attribute shadowLastChange pwdLastSet #nss_map_objectclass posixGroup group #nss_map_attribute uniqueMember member #pam_login_attribute sAMAccountName #pam_filter objectclass=User #pam_password ad # configure --enable-authpassword is no longer supported # AuthPassword mappings #nss_map_attribute userPassword authPassword # AIX SecureWay mappings #nss_map_objectclass posixAccount aixAccount #nss_base_passwd ou=aixaccount,?one #nss_map_attribute uid userName #nss_map_attribute gidNumber gid #nss_map_attribute uidNumber uid #nss_map_attribute userPassword passwordChar #nss_map_objectclass posixGroup aixAccessGroup #nss_base_group ou=aixgroup,?one #nss_map_attribute cn groupName #nss_map_attribute uniqueMember member #pam_login_attribute userName #pam_filter objectclass=aixAccount #pam_password clear # Netscape SDK LDAPS #ssl on # Netscape SDK SSL options #sslpath /etc/ssl/certs # OpenLDAP SSL mechanism # start_tls mechanism uses the normal LDAP port, LDAPS typically 636 #ssl start_tls #ssl on # OpenLDAP SSL options # Require and verify server certificate (yes/no) # Default is to use libldap's default behavior, which can be configured in # /etc/openldap/ldap.conf using the TLS_REQCERT setting. The default for # OpenLDAP 2.0 and earlier is "no", for 2.1 and later is "yes". #tls_checkpeer yes # CA certificates for server certificate verification # At least one of these are required if tls_checkpeer is "yes" #tls_cacertfile /etc/ssl/ca.cert #tls_cacertdir /etc/ssl/certs # Seed the PRNG if /dev/urandom is not provided #tls_randfile /var/run/egd-pool # SSL cipher suite # See man ciphers for syntax #tls_ciphers TLSv1 # Client certificate and key # Use these, if your server requires client authentication. #tls_cert #tls_key # Disable SASL security layers. This is needed for AD. #sasl_secprops maxssf=0 # Override the default Kerberos ticket cache location. #krb5_ccname FILE:/etc/.ldapcache # SASL mechanism for PAM authentication - use is experimental # at present and does not support password policy control #pam_sasl_mech DIGEST-MD5 #host fibonacci.physics.purdue.edu base dc=physics,dc=purdue,dc=edu uri ldaps://fibonacci.physics.purdue.edu ssl on #ssl start_tls ldap_version 3 tls_reqcert allow tls_cacertfile /etc/ssl/certs/InCommonSHA2.pem tls_cacertdir /etc/ssl/certs # 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 *********Edit /etc/nslcd.conf
# /etc/nslcd.conf # nslcd configuration file. See nslcd.conf(5) # for details. # The user and group nslcd should run as. uid nslcd gid ldap # The location at which the LDAP server(s) should be reachable. uri ldaps://fibonacci.physics.purdue.edu # The search base that will be used for all queries. base dc=physics,dc=purdue,dc=edu # The LDAP protocol version to use. #ldap_version 3 # The DN to bind with for normal lookups. binddn cn=unsupported,dc=physics,dc=purdue,dc=edu bindpw 1WyLrtUhTBSWw # The DN used for password modifications by root. #rootpwmoddn cn=admin,dc=example,dc=com # SSL options #ssl off tls_reqcert allow # The search scope. #scope sub #ssl start_tls #ssl on #tls_cacertfile /etc/ssl/certs/Thawte_Premium_Server_CA.pem tls_cacertfile /etc/ssl/certs/InCommonSHA2.pem ssl start_tls ssl on
- ln -s /usr/share/purple/ca-certs/Thawte_Premium_Server_CA.pem /etc/openldap/cacerts/.
/etc/yp.conf
domain purdue-pcn broadcast
/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
Edit /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
run
authconfig --enablekrb5 --enableldap --enableldapauth --enablenis --updateall
- ln -s /bin/bash /usr/local/bin/bash
Automount /project, /home, /cvmfs:
/etc/auto.master:# /misc /etc/auto.misc /project /etc/auto.project /home /etc/auto.home /cvmfs /etc/auto.cvmfs /net -hosts +auto.master
/etc/auto.home:
* -fstype=nfs,rw,soft,intr,rsize=32768,wsize=32768,nolock aristotle.physics.purdue.edu:/net/aristotle/home/&
/etc/auto.project:
cmsphys -fstype=nfs,rw,grpid,soft,intr,nosuid,nodev,rsize=16384,wsize=16384,timeo=8,retrans=4,proto=tcp kepler:/net/kepler/project0/cmsphys * -fstype=nfs,rw,grpid,soft,intr,nosuid,nodev,rsize=16384,wsize=16384,timeo=9,retrans=4,proto=tcp kepler:/net/kepler/project0/&
/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 chpw_prompt = true allow_weak_crypto = true [realms] CERN.CH = { default_domain = cern.ch kpasswd_server = cerndc.cern.ch admin_server = cerndc.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 }
/etc/ssh/ssh_config
GSSAPIAuthentication yes GSSAPIDelegateCredentials yes GSSAPIKeyExchange no GSSAPITrustDNS yes PubkeyAuthentication no PasswordAuthentication yes
/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 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
Edit /etc/pam.d/system-auth
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
turn on ypbind, turn off sssd, turn on AFS
/sbin/chkconfig --add afs /sbin/chkconfig --del iptables /sbin/chkconfig --del sssd /sbin/chkconfig --add ypbind /sbin/chkconfig autofs on /sbin/chkconfig iptables off /sbin/chkconfig ypbind on /sbin/chkconfig sssd off service sssd stop service iptables stop service autofs start service ypbind start
- Firewall: Switch off iptables
- Java: Download and install Java SE Runtime Environment JRE 6 (select Linux_64)
/etc/mime.types
type=application/x-java-jnlp-file desc="Java Web Start" exts="jnlp
- 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
- switch off nscd: /etc/init.d/nscd stop
In case automount doesn't work:
mount -t nfs aristotle:/net/aristotle/home /home -o rw,bg,intr,nosuid,udp,rsize=8192,wsize=8192,timeo=8
Scientific Linux CERN 5 (SLC5) Installation
System Installation
Follow the instructions on http://linux.web.cern.ch/linux/scientific5/docs/install.shtml
- Create a boot image for a 64 bit system
- Reboot your computer and press F2 (F12) at startup
- In the BIOS setup add CD/DVD to boot devices; save BIOS setup and reboot
- Select http as installation method
- Installation server is: linuxsoft.cern.ch
- Installation path is: /cern/slc5X/x86_64/
- Keep default partition layout
- Set host name to xxx.physics.purdue.edu: e.g. serret.physics.purdue.edu
- Enable network time protocol (server: harbor.ecn.purdue.edu)
- 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
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).
/etc/sysconfig/network
NETWORKING=yes HOSTNAME=xxxx.physics.purdue.edu NISDOMAIN=purdue-pcn
/etc/hosts
127.0.0.1 localhost.localdomain localhost xxx.physics.purdue.edu
/etc/group
zh:x:1399: phys:x:1109:
Install CUPS printers: Add the following line to the file /etc/cups/client.conf
ServerName spool.physics.purdue.edu
Install the amd automounter and make sure autofs is switched off
yum install am-utils
/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
/etc/amd.home
#comment: amd.home map /defaults fs:=/net/${rhost}/home;\ opts:=rw,bg,grpid,intr,nosuid,nodev,quota,proto=udp,vers=3,\ rsize=8192,wsize=8192,timeo=8,retrans=4;\ rfs:=/net/${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,nodev,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}/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 }/etc/yp.conf
domain purdue-pcn broadcast
/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 *********
- chmod 0600 /etc/ldap.conf (Note: Because of a bug it needs to be chmod 0644 /etc/ldap.conf)
- ln -s /bin/bash /usr/local/bin/bash
- ln -s /usr/share/purple/ca-certs/Thawte_Premium_Server_CA.pem /etc/openldap/cacerts/.
/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
/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
/etc/ssh/ssh_config
GSSAPIAuthentication yes GSSAPIDelegateCredentials yes GSSAPIKeyExchange no GSSAPITrustDNS yes PubkeyAuthentication no PasswordAuthentication yes
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
/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
/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
/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
- Firewall: Switch off iptables
- Java: Download and install Java SE Runtime Environment JRE 6 (select Linux_64)
/etc/mime.types
type=application/x-java-jnlp-file desc="Java Web Start" exts="jnlp
- 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
- switch off nscd: /etc/init.d/nscd stop
Install
rpm -U am-utils-6.1.5-14.fc12.x86_64.rpm