1 == setup/integrate a new machine ==
3 Note: this is partially obsolete now that we have [[puppet|howto/puppet-setup]]. We should probably update/rework some parts.
5 ** Warning: This procedure has not been tested since being moved to the wiki. Beware. **
7 * install ssh if it isn't there already
14 echo 'Acquire::PDiffs "false";' > /etc/apt/apt.conf.d/local-pdiff
15 echo 'APT::Install-Recommends 0;' > /etc/apt/apt.conf.d/local-recommends
20 make sure there is _no_ locale defined in /etc/environment and /etc/default/locale
22 * make debconf the same on every host: - dialog, - high
24 echo "debconf debconf/priority select high" | debconf-set-selections
25 echo "debconf debconf/frontend select Dialog" | debconf-set-selections
28 * add db.d.o to sources.list:
30 cat > /etc/apt/sources.list.d/debian.org.list << EOF
31 deb http://db.debian.org/debian-admin lenny main
32 deb-src http://db.debian.org/debian-admin lenny main
36 -----BEGIN PGP PUBLIC KEY BLOCK-----
37 Version: GnuPG v1.4.9 (GNU/Linux)
39 mQGiBEf4BP0RBACfXnRhBb9HKiA3h5A1tDnluVwfkSuDX4ZXdVAuMZapdOm8r9ug
40 9zE/dDGWPWja+DArAPZ/i3BFvlMewmden/IFbQKtXluQVIC4GL1RBMwrtWsZzo0g
41 picl3CYWDAYjRdg4WppUc9FawwGw081FlLGDv7eYRO3+8uGUHfr+SD7CwwCgxJK6
42 SvDX6M2Ifuq8WmgWWrVFyakD/ipdxd3NPIcnl1JTO2NjbOJYKpZMl6v0g+1OofSq
43 CAKTO8ymc0z6SF1j/4mWe1W76wvTpOhOUgn2WO7SQHZaujb/3z+yAJedfbCDgq0S
44 H/T2qbQTzv+woAjyR/e2Zpsc2DRfqO/8aCw1Jx8N3UbH9MBPYlYlyCnSra1OAyXW
45 VvC0A/9nT/k6VIFBF0Oq2WwmzOLptOqg61WrnxBr3GIe503++p88tOwlCJlL0uZZ
46 k68m3m5t7WDtQK4fHQwLramb9AqtBPhiEaXU5bXk77RYE54EeEH9Z4H4YSMMkdYU
47 gLG5CZI2jprxAZew1mHKROv+15jxYd+BZCrORmpWn5g7N+TC5rQeZGIuZGViaWFu
48 Lm9yZyBhcmNoaXZlIGtleSAyMDA4iGYEExECACYCGwMGCwkIBwMCBBUCCAMEFgID
49 AQIeAQIXgAUCSdlA9AUJA8JvcwAKCRC+p88QvSsO4AoeAJ0dY+rDwxNVR6HPs8JZ
50 xLceOYU/hgCeNW1KkOXrSt2Lv8PVWXnr5jHNZSo=
52 -----END PGP PUBLIC KEY BLOCK-----
56 * in /etc/ssh/sshd_config:
57 ** disable the DSA hostkey, so that it only does RSA
58 ** remove old host keys: <BR>{{{
59 cd /etc/ssh/ && rm ssh_host_dsa_key ssh_host_dsa_key.pub ssh_host_key ssh_host_key.pub
61 ** disable X11 forwarding
62 ** Tell it to use alternate authorized_keys locations
64 | HostKey /etc/ssh/ssh_host_rsa_key
66 | AuthorizedKeysFile /etc/ssh/userkeys/%u
67 | AuthorizedKeysFile2 /var/lib/misc/userkeys/%u
69 vi /etc/ssh/sshd_config
70 (cd / && env -i /etc/init.d/ssh restart)
73 * maybe link root's auth key there:
75 mkdir -p /etc/ssh/userkeys && ln -s /root/.ssh/authorized_keys /etc/ssh/userkeys/root
79 * install userdir-ldap
81 apt-get update && apt-get install userdir-ldap
85 * on draghi, add the host to /home/sshdist/.ssh/authorized_keys and generate.conf
86 (you want the host's rsa host key there: {{{cat /etc/ssh/ssh_host_rsa_key.pub}}})
88 : :: draghi :: && sudo vi /home/sshdist/.ssh/authorized_keys
89 : :: draghi :: && sudo vi /etc/userdir-ldap/generate.conf
91 * run generate, or wait until cron runs it for you
93 : :: draghi :: && sudo -u sshdist ud-generate
96 * fix nsswitch for ud fu.
98 sed -i -e 's/^passwd:\[[:space:]]\+compat$/passwd: compat db/;
99 s/^group:\[[:space:]]\+compat$/group: db compat/;
100 s/^shadow:\[[:space:]]\+compat$/shadow: compat db/' \
104 (you might have to restart sshd here:
106 (cd / && env -i /etc/init.d/ssh restart)
110 * on the host, run ud-replicate
112 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 &&
116 * check if it worked:
121 * add pam_mkhomedir to common-session:
123 grep pam_mkhomedir /etc/pam.d/common-session || \
124 echo "session optional pam_mkhomedir.so skel=/etc/skel umask=0022" >> /etc/pam.d/common-session
127 * install debian.org which brings you shells and much other fun
129 apt-get install debian.org
132 * try to login using your user and ssh key. you should get a homedir.
134 * make ca-certificates sane: (choose to *not* trust new certs, and we only want the spi cert activated)
136 echo "ca-certificates ca-certificates/trust_new_crts select no" | debconf-set-selections
137 sed -i -e 's/^[^#!].*/!&/; s#^!spi-inc.org/spi-cacert-2008.crt#spi-inc.org/spi-cacert-2008.crt#' /etc/ca-certificates.conf
138 dpkg-reconfigure ca-certificates
141 * Add debian-admin@debian.org to root in /etc/aliases
143 * sane default editor
145 apt-get install vim && update-alternatives --set editor /usr/bin/vim.basic
150 grep '^%adm' /etc/sudoers || echo '%adm ALL=(ALL) ALL' >> /etc/sudoers
151 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
153 apt-get install libpam-pwdfile
154 cat > /etc/pam.d/sudo << EOF
157 auth [authinfo_unavail=ignore success=done ignore=ignore default=die] pam_pwdfile.so pwdfile=/var/lib/misc/thishost/sudo-passwd
158 auth required pam_unix.so nullok_secure try_first_pass
159 #@include common-auth
160 @include common-account
162 session required pam_permit.so
163 session required pam_limits.so
167 * OPEN A NEW SHELL - DO _NOT_ LOG OUT OF THIS ONE:<BR>
168 test that the dedicated sudo password works. if not, undo the pam sudo config.
169 (comment out the auth lines and include common-auth again)
173 grep '^URI.*db.debian.org' /etc/ldap/ldap.conf || cat >> /etc/ldap/ldap.conf << EOF
175 URI ldap://db.debian.org
176 BASE dc=debian,dc=org
178 TLS_CACERT /etc/ssl/certs/spi-cacert-2008.pem
183 * add to munin on spohr
185 : :: spohr :: && sudo vi /etc/munin/munin.conf
189 * add host to nagios config
191 * disable password auth with ssh, once you verified you can log in
192 and become root using keys.
194 vi /etc/ssh/sshd_config
195 | PasswordAuthentication no
196 (cd / && env -i /etc/init.d/ssh restart)
199 * if it is a HP Proliant, or has other management fu, read [[howto/ilo-https]]
201 * setup [[puppet|howto/puppet-setup]]
205 -- weasel, Wed, 04 Jun 2008 20:52:56 +0200