X-Git-Url: https://git.adam-barratt.org.uk/?p=mirror%2Fdsa-wiki.git;a=blobdiff_plain;f=input%2Fhowto%2Fnew-machine.creole;h=675c708f9d46aa363e80ca8bd98e340cd37074b4;hp=e8fb3a852665d62e3612b979bfa33104094e9942;hb=869b58c310197cf6155f7e9ec756489f7d94ee29;hpb=98bbfe13da274f5e8ddd549f144e52b893eb914d diff --git a/input/howto/new-machine.creole b/input/howto/new-machine.creole index e8fb3a8..675c708 100644 --- a/input/howto/new-machine.creole +++ b/input/howto/new-machine.creole @@ -1,141 +1,84 @@ -== setup/integrate a new machine == += how to add a new machine = -Note: this is partially obsolete now that we have [[puppet|howto/puppet-setup]]. We should probably update/rework some parts. +Note: this has recently been changed to rely more on [[puppet|howto/puppet-setup]]. If stuff breaks fix it. -* install ssh if it isn't there already -{{{ - apt-get install ssh -}}} - -* make apt sane -{{{ - echo 'Acquire::PDiffs "false";' > /etc/apt/apt.conf.d/local-pdiff - echo 'APT::Install-Recommends 0;' > /etc/apt/apt.conf.d/local-recommends -}}} - -* sane locales: (make sure there is _no_ locale defined in /etc/environment and /etc/default/locale) -{{{ - echo -n > /etc/environment - echo -n > /etc/default/locale -}}} -* make debconf the same on every host: - dialog, - high +* some initial stuff: {{{ - apt-get install dialog && + apt-get install --no-install-recommends ssh vim && + echo -n > /etc/environment && + echo -n > /etc/default/locale && + apt-get install --no-install-recommends dialog && echo "debconf debconf/priority select high" | debconf-set-selections && echo "debconf debconf/frontend select Dialog" | debconf-set-selections }}} -* setup [[puppet|howto/puppet-setup]] - -* on draghi, add the host to /home/sshdist/.ssh/authorized_keys and generate.conf -(you want the host's rsa host key there: {{{cat /etc/ssh/ssh_host_rsa_key.pub}}}) -{{{ - : :: draghi :: && sudo vi /home/sshdist/.ssh/authorized_keys - : :: draghi :: && sudo vi /etc/userdir-ldap/generate.conf -}}} -* run generate, or wait until cron runs it for you +* unless we want to keep it: {{{ - : :: draghi :: && sudo -u sshdist ud-generate + dpkg -l postfix | grep '^ii postfix' && (dpkg --purge postfix && rm /etc/aliases) }}} -* fix nsswitch for ud fu. (you might have to restart sshd here) -{{{ - sed -i -e 's/^passwd:\[[:space:]]\+compat$/passwd: compat db/; - s/^group:\[[:space:]]\+compat$/group: db compat/; - s/^shadow:\[[:space:]]\+compat$/shadow: compat db/' \ - /etc/nsswitch.conf - (cd / && env -i /etc/init.d/ssh restart) -}}} +* on draghi, add the host to the ldap using ud-host. Set the ssh key and the IP Address attributes. -* install userdir-ldap +* run generate, or wait until cron runs it for you. Update DNS. {{{ - apt-get update && apt-get install userdir-ldap + : :: draghi :: && sudo -u sshdist ud-generate && sudo -H ud-replicate && sudo -H puppet agent --no-daemonize --onetime + : :: denis :: && sudo -H ud-replicate }}} -* on the host, run ud-replicate -{{{ - echo draghi.debian.org,draghi,db.debian.org,db,82.195.75.106,::ffff:82.195.75.106 ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAy1mAS0xIOZH9OrJZf1Wv9qYORv5Z5fmpF0o8Y4IMdS+ZzTjN1Sl8M77jaFTJbumJNs+n2CMcX8CoMemQEPBoRe20a5t3dExPQ3c7FNU0z+WIVFbu/oTTkAWGp5gCDwF3pg2QxUjqYc0X4jpv6pkisyvisij6V/VJ5G1hsIMuKqrCKYyyyiJJytfzSfRrBx2QvB5ZWQxhYeSYDoLDvuF31qUy4TLZ/HR3qZQ1cBrP9dCh5d+GQxdY9LuO6zjlnSyU64GHkyjYt3p03AKG4plD7WHX01bD0DQQ/NOFVwFhOZ63mePyridPuqBMFW39jBf4jSsewV95RE5VbY04+MY4XQ== root@draghi >> /etc/ssh/ssh_known_hosts && - ud-replicate -}}} +* setup [[puppet|howto/puppet-setup]] (run the puppet client two or three times until things converge.) -* check if it worked: +* on the host, run ud-replicate and check if it worked {{{ + apt-get update && + apt-get install -y --no-install-recommends userdir-ldap && + ud-replicate && id weasel }}} * install debian.org which brings you shells and much other fun {{{ - apt-get install debian.org + apt-get install -y debian.org debian.org-recommended }}} -* in /etc/ssh/sshd_config: -** disable the DSA hostkey, so that it only does RSA -** remove old host keys: -** disable X11 forwarding -** Tell it to use alternate authorized_keys locations -** maybe link root's auth key there: +* run puppet a couple times {{{ - #| HostKey /etc/ssh/ssh_host_rsa_key - #| X11Forwarding no - #| AuthorizedKeysFile /etc/ssh/userkeys/%u - #| AuthorizedKeysFile2 /var/lib/misc/userkeys/%u - - cd /etc/ssh/ && rm -f ssh_host_dsa_key ssh_host_dsa_key.pub ssh_host_key ssh_host_key.pub && - mkdir -p /etc/ssh/userkeys && ln -s /root/.ssh/authorized_keys /etc/ssh/userkeys/root && - sed -i -e 's/^HostKey.*_dsa_key/# &/; - s/^X11Forwarding yes/X11Forwarding no/; - $ a AuthorizedKeysFile /etc/ssh/userkeys/%u - $ a AuthorizedKeysFile2 /var/lib/misc/userkeys/%u' sshd_config && - (cd / && env -i /etc/init.d/ssh restart) + puppet agent --no-daemonize --onetime; puppet agent --no-daemonize --onetime; puppet agent --no-daemonize --onetime; puppet agent --no-daemonize --onetime }}} -* try to login using your user and ssh key. you should get a homedir. - -* try to become root using sudo. - -* disable password auth with ssh (again: once you verified you can log in and become root using keys.) +* install security updates etc. {{{ - #vi /etc/ssh/sshd_config - # | PasswordAuthentication no - - sed -i -e 's/^PasswordAuthentication yes/PasswordAuthentication no/' /etc/ssh/sshd_config && - (cd / && env -i /etc/init.d/ssh restart) + apt-get update && apt-get dist-upgrade && apt-get clean }}} -* make ca-certificates sane: (choose to *not* trust new certs, and we only want the spi cert activated) -{{{ - echo "ca-certificates ca-certificates/trust_new_crts select no" | debconf-set-selections - sed -i -e 's/^[^#!].*/!&/; s#^!spi-inc.org/spi-cacert-2008.crt#spi-inc.org/spi-cacert-2008.crt#' /etc/ca-certificates.conf - dpkg-reconfigure ca-certificates -}}} +* try to login using your user and ssh key. you should get a homedir. -* Add debian-admin@debian.org to root in /etc/aliases -{{{ - if ! egrep '^root:' /etc/aliases > /dev/null; then - echo "root: debian-admin@debian.org" >> /etc/aliases - elif ! egrep '^root:.*debian-admin@debian.org' /etc/aliases > /dev/null; then - sed -i -e 's/^root: .*/&, debian-admin@debian.org/' /etc/aliases - fi - newaliases -}}} +* try to become root using sudo. -* sane default editor +* Add debian-admin@debian.org to root in /etc/aliases {{{ - apt-get install vim && update-alternatives --set editor /usr/bin/vim.basic + if ! egrep '^root:' /etc/aliases > /dev/null; then + echo "root: debian-admin@debian.org" >> /etc/aliases + elif ! egrep '^root:.*debian-admin@debian.org' /etc/aliases > /dev/null; then + sed -i -e 's/^root: .*/&, debian-admin@debian.org/' /etc/aliases + fi + newaliases }}} -* add to munin on spohr +* install samhain and get puppet to configure it {{{ - : :: spohr :: && sudo vi /etc/munin/munin.conf + apt-get install -y samhain && + ( puppet agent --no-daemonize --onetime || true ) && + service samhain stop && + rm -f /var/state/samhain/samhain_file /var/lib/samhain/samhain_file && + samhain --foreground -t init -p none -s none -l none -m none && + service samhain start }}} * if it is a HP Proliant, or has other management fu, read [[howto/ilo-https]] -* edit dedication into in $DSA-PUPPET/modules/debian-org/misc/local.yaml +* edit dedication into in $DSA-PUPPET/modules/debian_org/files/misc/local.yaml * add to nagios -* add host to ldap: ud-host -a $USER -h .... - -- weasel, Wed, 04 Jun 2008 20:52:56 +0200