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 * install ssh if it isn't there already
12 echo 'Acquire::PDiffs "false";' > /etc/apt/apt.conf.d/local-pdiff
13 echo 'APT::Install-Recommends 0;' > /etc/apt/apt.conf.d/local-recommends
18 make sure there is _no_ locale defined in /etc/environment and /etc/default/locale
21 echo -n > /etc/environment
22 echo -n > /etc/default/locale
25 * make debconf the same on every host: - dialog, - high
27 apt-get install dialog &&
28 echo "debconf debconf/priority select high" | debconf-set-selections &&
29 echo "debconf debconf/frontend select Dialog" | debconf-set-selections
32 * add db.d.o to sources.list:
34 cat > /etc/apt/sources.list.d/debian.org.list << EOF
35 deb http://db.debian.org/debian-admin lenny main
36 deb-src http://db.debian.org/debian-admin lenny main
40 -----BEGIN PGP PUBLIC KEY BLOCK-----
41 Version: GnuPG v1.4.9 (GNU/Linux)
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56 -----END PGP PUBLIC KEY BLOCK-----
60 * in /etc/ssh/sshd_config:
61 ** disable the DSA hostkey, so that it only does RSA
62 ** remove old host keys:
63 ** disable X11 forwarding
64 ** Tell it to use alternate authorized_keys locations
65 ** maybe link root's auth key there:
67 #| HostKey /etc/ssh/ssh_host_rsa_key
69 #| AuthorizedKeysFile /etc/ssh/userkeys/%u
70 #| AuthorizedKeysFile2 /var/lib/misc/userkeys/%u
72 cd /etc/ssh/ && rm -f ssh_host_dsa_key ssh_host_dsa_key.pub ssh_host_key ssh_host_key.pub &&
73 mkdir -p /etc/ssh/userkeys && ln -s /root/.ssh/authorized_keys /etc/ssh/userkeys/root &&
74 sed -i -e 's/^HostKey.*_dsa_key/# &/;
75 s/^X11Forwarding yes/X11Forwarding no/;
76 $ a AuthorizedKeysFile /etc/ssh/userkeys/%u
77 $ a AuthorizedKeysFile2 /var/lib/misc/userkeys/%u' sshd_config &&
78 (cd / && env -i /etc/init.d/ssh restart)
83 * install userdir-ldap
85 apt-get update && apt-get install userdir-ldap
89 * on draghi, add the host to /home/sshdist/.ssh/authorized_keys and generate.conf
90 (you want the host's rsa host key there: {{{cat /etc/ssh/ssh_host_rsa_key.pub}}})
92 : :: draghi :: && sudo vi /home/sshdist/.ssh/authorized_keys
93 : :: draghi :: && sudo vi /etc/userdir-ldap/generate.conf
95 * run generate, or wait until cron runs it for you
97 : :: draghi :: && sudo -u sshdist ud-generate
100 * fix nsswitch for ud fu.
102 sed -i -e 's/^passwd:\[[:space:]]\+compat$/passwd: compat db/;
103 s/^group:\[[:space:]]\+compat$/group: db compat/;
104 s/^shadow:\[[:space:]]\+compat$/shadow: compat db/' \
108 (you might have to restart sshd here:
110 (cd / && env -i /etc/init.d/ssh restart)
114 * on the host, run ud-replicate
116 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 &&
120 * check if it worked:
125 * add pam_mkhomedir to common-session:
127 grep pam_mkhomedir /etc/pam.d/common-session || \
128 echo "session optional pam_mkhomedir.so skel=/etc/skel umask=0022" >> /etc/pam.d/common-session
131 * install debian.org which brings you shells and much other fun
133 apt-get install debian.org
136 * try to login using your user and ssh key. you should get a homedir.
138 * make ca-certificates sane: (choose to *not* trust new certs, and we only want the spi cert activated)
140 echo "ca-certificates ca-certificates/trust_new_crts select no" | debconf-set-selections
141 sed -i -e 's/^[^#!].*/!&/; s#^!spi-inc.org/spi-cacert-2008.crt#spi-inc.org/spi-cacert-2008.crt#' /etc/ca-certificates.conf
142 dpkg-reconfigure ca-certificates
145 * Add debian-admin@debian.org to root in /etc/aliases
147 * sane default editor
149 apt-get install vim && update-alternatives --set editor /usr/bin/vim.basic
154 grep '^%adm' /etc/sudoers || echo '%adm ALL=(ALL) ALL' >> /etc/sudoers
155 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
157 apt-get install libpam-pwdfile
158 cat > /etc/pam.d/sudo << EOF
161 auth [authinfo_unavail=ignore success=done ignore=ignore default=die] pam_pwdfile.so pwdfile=/var/lib/misc/thishost/sudo-passwd
162 auth required pam_unix.so nullok_secure try_first_pass
163 #@include common-auth
164 @include common-account
166 session required pam_permit.so
167 session required pam_limits.so
171 * OPEN A NEW SHELL - DO _NOT_ LOG OUT OF THIS ONE:<BR>
172 test that the dedicated sudo password works. if not, undo the pam sudo config.
173 (comment out the auth lines and include common-auth again)
177 grep '^URI.*db.debian.org' /etc/ldap/ldap.conf || cat >> /etc/ldap/ldap.conf << EOF
179 URI ldap://db.debian.org
180 BASE dc=debian,dc=org
182 TLS_CACERT /etc/ssl/certs/spi-cacert-2008.pem
187 * add to munin on spohr
189 : :: spohr :: && sudo vi /etc/munin/munin.conf
193 * add host to nagios config
195 * disable password auth with ssh, once you verified you can log in
196 and become root using keys.
198 vi /etc/ssh/sshd_config
199 | PasswordAuthentication no
200 (cd / && env -i /etc/init.d/ssh restart)
203 * if it is a HP Proliant, or has other management fu, read [[howto/ilo-https]]
205 * setup [[puppet|howto/puppet-setup]]
209 -- weasel, Wed, 04 Jun 2008 20:52:56 +0200