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=eca9e29172f81e14ee2d2ad518fa69f199e6730c;hb=869b58c310197cf6155f7e9ec756489f7d94ee29;hpb=1a754d8daef96e5e91284f4be7f36399db15bf74 diff --git a/input/howto/new-machine.creole b/input/howto/new-machine.creole index eca9e29..675c708 100644 --- a/input/howto/new-machine.creole +++ b/input/howto/new-machine.creole @@ -1,205 +1,83 @@ -== 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. -** Warning: This procedure has not been tested since being moved to the wiki. Beware. ** -* install ssh if it isn't there already +* some initial stuff: {{{ - apt-get install ssh + 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 }}} -* make apt sane +* unless we want to keep it: {{{ - echo 'Acquire::PDiffs "false";' > /etc/apt/apt.conf.d/local-pdiff - echo 'APT::Install-Recommends 0;' > /etc/apt/apt.conf.d/local-recommends + dpkg -l postfix | grep '^ii postfix' && (dpkg --purge postfix && rm /etc/aliases) }}} -* sane locales: +* on draghi, add the host to the ldap using ud-host. Set the ssh key and the IP Address attributes. - make sure there is _no_ locale defined in /etc/environment and /etc/default/locale - -* make debconf the same on every host: - dialog, - high -{{{ - -echo "debconf debconf/priority select high" | debconf-set-selections -echo "debconf debconf/frontend select Dialog" | debconf-set-selections - -}}} - -* add db.d.o to sources.list: -{{{ - cat > /etc/apt/sources.list.d/debian.org.list << EOF -deb http://db.debian.org/debian-admin lenny main -deb-src http://db.debian.org/debian-admin lenny main -EOF - - apt-key add - << EOF ------BEGIN PGP PUBLIC KEY BLOCK----- -Version: GnuPG v1.4.9 (GNU/Linux) - -mQGiBEf4BP0RBACfXnRhBb9HKiA3h5A1tDnluVwfkSuDX4ZXdVAuMZapdOm8r9ug -9zE/dDGWPWja+DArAPZ/i3BFvlMewmden/IFbQKtXluQVIC4GL1RBMwrtWsZzo0g -picl3CYWDAYjRdg4WppUc9FawwGw081FlLGDv7eYRO3+8uGUHfr+SD7CwwCgxJK6 -SvDX6M2Ifuq8WmgWWrVFyakD/ipdxd3NPIcnl1JTO2NjbOJYKpZMl6v0g+1OofSq -CAKTO8ymc0z6SF1j/4mWe1W76wvTpOhOUgn2WO7SQHZaujb/3z+yAJedfbCDgq0S -H/T2qbQTzv+woAjyR/e2Zpsc2DRfqO/8aCw1Jx8N3UbH9MBPYlYlyCnSra1OAyXW -VvC0A/9nT/k6VIFBF0Oq2WwmzOLptOqg61WrnxBr3GIe503++p88tOwlCJlL0uZZ -k68m3m5t7WDtQK4fHQwLramb9AqtBPhiEaXU5bXk77RYE54EeEH9Z4H4YSMMkdYU -gLG5CZI2jprxAZew1mHKROv+15jxYd+BZCrORmpWn5g7N+TC5rQeZGIuZGViaWFu -Lm9yZyBhcmNoaXZlIGtleSAyMDA4iGYEExECACYCGwMGCwkIBwMCBBUCCAMEFgID -AQIeAQIXgAUCSdlA9AUJA8JvcwAKCRC+p88QvSsO4AoeAJ0dY+rDwxNVR6HPs8JZ -xLceOYU/hgCeNW1KkOXrSt2Lv8PVWXnr5jHNZSo= -=4LFD ------END PGP PUBLIC KEY BLOCK----- -EOF -}}} - -* in /etc/ssh/sshd_config: -** disable the DSA hostkey, so that it only does RSA -** remove old host keys:
{{{ - cd /etc/ssh/ && rm ssh_host_dsa_key ssh_host_dsa_key.pub ssh_host_key ssh_host_key.pub -}}} -** disable X11 forwarding -** Tell it to use alternate authorized_keys locations -{{{ - | HostKey /etc/ssh/ssh_host_rsa_key - | X11Forwarding no - | AuthorizedKeysFile /etc/ssh/userkeys/%u - | AuthorizedKeysFile2 /var/lib/misc/userkeys/%u - - vi /etc/ssh/sshd_config - (cd / && env -i /etc/init.d/ssh restart) -}}} - - * maybe link root's auth key there: +* run generate, or wait until cron runs it for you. Update DNS. {{{ - mkdir -p /etc/ssh/userkeys && ln -s /root/.ssh/authorized_keys /etc/ssh/userkeys/root + : :: draghi :: && sudo -u sshdist ud-generate && sudo -H ud-replicate && sudo -H puppet agent --no-daemonize --onetime + : :: denis :: && sudo -H ud-replicate }}} +* setup [[puppet|howto/puppet-setup]] (run the puppet client two or three times until things converge.) -* install userdir-ldap -{{{ - apt-get update && apt-get install userdir-ldap -}}} - - -* 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 -{{{ - : :: draghi :: && sudo -u sshdist ud-generate -}}} - -* fix nsswitch for ud fu. -{{{ - 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 -}}} - -(you might have to restart sshd here: -{{{ - (cd / && env -i /etc/init.d/ssh restart) -}}} -) - -* 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 -}}} - -* 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 }}} -* add pam_mkhomedir to common-session: -{{{ - grep pam_mkhomedir /etc/pam.d/common-session || \ - echo "session optional pam_mkhomedir.so skel=/etc/skel umask=0022" >> /etc/pam.d/common-session -}}} - * install debian.org which brings you shells and much other fun {{{ - apt-get install debian.org -}}} - -* try to login using your user and ssh key. you should get a homedir. - -* make ca-certificates sane: (choose to *not* trust new certs, and we only want the spi cert activated) -{{{ - 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 + apt-get install -y debian.org debian.org-recommended }}} -* Add debian-admin@debian.org to root in /etc/aliases - -* sane default editor +* run puppet a couple times {{{ - apt-get install vim && update-alternatives --set editor /usr/bin/vim.basic + puppet agent --no-daemonize --onetime; puppet agent --no-daemonize --onetime; puppet agent --no-daemonize --onetime; puppet agent --no-daemonize --onetime }}} -* setup sudo +* install security updates etc. {{{ - grep '^%adm' /etc/sudoers || echo '%adm ALL=(ALL) ALL' >> /etc/sudoers - grep '^%adm.*apt-get' /etc/sudoers || echo '%adm ALL=(ALL) NOPASSWD: /usr/bin/apt-get update, /usr/bin/apt-get dist-upgrade, /usr/bin/apt-get clean, /usr/sbin/samhain -t check -i -p err -s none -l none -m none' >> /etc/sudoers - - apt-get install libpam-pwdfile - cat > /etc/pam.d/sudo << EOF -#%PAM-1.0 - -auth [authinfo_unavail=ignore success=done ignore=ignore default=die] pam_pwdfile.so pwdfile=/var/lib/misc/thishost/sudo-passwd -auth required pam_unix.so nullok_secure try_first_pass -#@include common-auth -@include common-account - -session required pam_permit.so -session required pam_limits.so -EOF + apt-get update && apt-get dist-upgrade && apt-get clean }}} -* OPEN A NEW SHELL - DO _NOT_ LOG OUT OF THIS ONE:
- test that the dedicated sudo password works. if not, undo the pam sudo config. - (comment out the auth lines and include common-auth again) - -* setup ldap.conf: -{{{ - grep '^URI.*db.debian.org' /etc/ldap/ldap.conf || cat >> /etc/ldap/ldap.conf << EOF - -URI ldap://db.debian.org -BASE dc=debian,dc=org +* try to login using your user and ssh key. you should get a homedir. -TLS_CACERT /etc/ssl/certs/spi-cacert-2008.pem -TLS_REQCERT hard -EOF -}}} +* try to become root using sudo. -* add to munin on spohr +* Add debian-admin@debian.org to root in /etc/aliases {{{ - : :: spohr :: && sudo vi /etc/munin/munin.conf + 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 host to nagios config - -* disable password auth with ssh, once you verified you can log in - and become root using keys. +* install samhain and get puppet to configure it {{{ - vi /etc/ssh/sshd_config - | PasswordAuthentication no - (cd / && env -i /etc/init.d/ssh restart) + 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]] -* setup [[puppet|howto/puppet-setup]] +* edit dedication into in $DSA-PUPPET/modules/debian_org/files/misc/local.yaml * add to nagios