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Line 46: Line 46:  
  chkconfig network on
 
  chkconfig network on
 
  start network
 
  start network
 +
 +
* Optimize creation of new users
 +
 +
mkdir /etc/skel/.ssh
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cat >/etc/skel/.ssh.authorized_keys <<__EOF__
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# Place your ssh public keys here, one per line
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__EOF__
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chmod g-w -R /etc/skel/.ssh
 +
    
* Create sysadmin accounts:
 
* Create sysadmin accounts:
   −
mkdir /etc/skel/.ssh
   
  useradd -c "Bernie Innocenti" -m bernie
 
  useradd -c "Bernie Innocenti" -m bernie
 
  cat >>/home/bernie/.ssh/authorized_keys
 
  cat >>/home/bernie/.ssh/authorized_keys
Line 59: Line 67:  
  vigr
 
  vigr
   −
* Uncomment "%wheel ALL=(ALL) NOPASSWD: ALL" line in sudoers
+
* Edit sudoers with visudo:
  visudo
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** Uncomment "%wheel ALL=(ALL) NOPASSWD: ALL"
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** Add these lines
 +
 
 +
#bernie: forward agent
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  Defaults env_keep += "SSH_AUTH_SOCK"
 +
 
 +
 
 +
* Switch from serial console to ssh
    
  ssh root@template-fedora13.sugarlabs.org
 
  ssh root@template-fedora13.sugarlabs.org
Line 68: Line 83:  
  yum install etckeeper bash-completion git-core strace munin-node duplicity postfix vim devtodo man
 
  yum install etckeeper bash-completion git-core strace munin-node duplicity postfix vim devtodo man
   −
* insert into /etc/munin/munin-node.conf
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* Enable etckeeper:
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 +
etckeeper init
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 +
* Insert into /etc/munin/munin-node.conf:
    
  #SMParrish
 
  #SMParrish
Line 86: Line 105:     
  ssh-keygen -N "" -f /root/.ssh/id_rsa -t rsa
 
  ssh-keygen -N "" -f /root/.ssh/id_rsa -t rsa
 +
 +
* Install our standard scripts
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 +
rsync -aP bernie@sunjammer.sugarlabs.org:/usr/src/devtools/ /usr/src/devtools/
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ln -sf /usr/src/devtools/sysadm/bashrc.sh /etc/skel/.bashrc
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ln -sf /usr/src/devtools/sysadm/bashrc.sh /root/.bashrc
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ln -sf /usr/src/devtools/sysadm/zzz_profile.sh /etc/profile.d/zzz_profile.sh
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ln -sf /usr/src/devtools/conf/vimrc /etc/vimrc
 +
    
* create /etc/system-full-backup.conf
 
* create /etc/system-full-backup.conf
Line 117: Line 145:  
   [VM Name]
 
   [VM Name]
 
         address vmname.sugarlabs.org
 
         address vmname.sugarlabs.org
 +
 +
* Replace sendmail with postfix
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 +
Create /etc/postfix/main.cf  and paste the following into it replacing template-fedora13 with the new VM name
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smtpd_banner = $myhostname ESMTP $mail_name (Fedora)
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biff = no
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# appending .domain is the MUA's job.
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append_dot_mydomain = no
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# Uncomment the next line to generate "delayed mail" warnings
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#delay_warning_time = 4h
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readme_directory = no
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# TLS parameters
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smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
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smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
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smtpd_use_tls=yes
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smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
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smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
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# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
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# information on enabling SSL in the smtp client.
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 +
#bernie
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myhostname = template-fedora13.sugarlabs.org
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alias_maps = hash:/etc/aliases
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alias_database = hash:/etc/aliases
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myorigin = /etc/mailname
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mydestination =
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        template-fedora13.sugarlabs.org,
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        localhost.sugarlabs.org,
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        localhost,
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        sugarlabs.org
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relayhost =
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mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
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mailbox_size_limit = 0
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recipient_delimiter = +
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inet_interfaces = all
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#bernie
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home_mailbox = Maildir/
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#bernie: as suggested by mostro
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smtpd_recipient_restrictions =
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        permit_mynetworks
 +
        permit_sasl_authenticated
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        reject_unauth_destination
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        reject_rbl_client bl.spamcop.net
 +
        reject_rbl_client zen.spamhaus.org
 +
        reject_rbl_client dnsbl.njabl.org
 +
        reject_rbl_client dnsbl.sorbs.net
 +
        reject_rbl_client cbl.abuseat.org
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        reject_unknown_recipient_domain
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        reject_non_fqdn_recipient
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        reject_unlisted_recipient
 +
 +
* Disable sendmail & enable postfix
 +
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service sendmail stop
 +
service postfix start
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chkconfig sendmail off
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chkconfig postfix on
 +
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* Get all system mail forwarded to the systems-logs@ list
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cat >>/etc/aliases <__EOF__
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#bernie
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root: systems-logs@lists.sugarlabs.org
 +
__EOF__
 +
newaliases
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 +
 +
=== Clone the VM ===
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* Login to the host system & clone the VM
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sudo virt-clone --connect=qemu:///system -o template-fedora13 -n "new VM name" -f /srv/vm/"new VM name".qcow2
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* Start the new VM and make sure it boots (networking probably will not work, we will fix that later)
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sudo virsh start --console "new VM name"
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* edit /etc/sysconfig/network and change the hostname
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HOSTNAME=''newvm''.sugarlabs.org
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* Add the hostname to the sugarlabs zone file in the [[Service/Nameservers|nameservers]].
 +
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* Edit network configuration /etc/sysconfig/network-scripts/ifcfg-eth0 to update IPv4 and IPv6 addresses
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* Edit /etc/udeve/rules.d/XX-persistent-net.rules
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Remove definition for eth0 it will get regenerated on reboot
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* Reboot the system, when it comes back up networking should work
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* remove old ssh keys & generate new ones
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rm -rf /etc/ssh/ssh_host_*
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service sshd restart
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* create new key for root
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ssh-keygen -N "" -f /root/.ssh/id_rsa -t rsa
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* update /etc/system-full-backup.conf
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 +
* update the motd
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vim /etc/motd
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* Add the machine to /etc/munin/munin.conf on Machine/sunjammer for monitoring.
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 +
[''newvm''.sugarlabs.org]
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      address ''newvm''.sugarlabs.org