4 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
6 if [[ $EUID != 0 ]]; then
7 echo "$0: error: expected to be root."
11 if ! type -t fcopy
&>/dev
/null
; then
12 sudo apt-get
-y install fai-client
15 if [[ -e /a
/bin
/fai
/fai-wrapper
]]; then
22 chroot
$FAI_ROOT bash
<<'EOFOUTER'
24 if getent group systemd-journal >/dev/null; then
25 # makes the journal be saved to disk.
26 mkdir -p /var/log/journal
27 chmod 755 /var/log/journal
29 debconf-set-selections <<EOF
30 kexec-tools kexec-tools/load_kexec boolean false
32 apt-get install -y pxe-kexec
36 # -i = ignore non-matching class warnings, always exit 0
37 # -B = no backup files
39 # this is also done by FABASE/10-misc by default.
43 src
=$FAI/distro-install-common
/shadow
45 if [[ ! -e $dst && -e $src ]]; then
46 # outside of fai context, we skip this
48 mount
-o bind $src $dst
51 $FAI/distro-install-common
/end
52 if ifclass VOL_STRETCH_BOOTSTRAP
; then
53 fcopy
-riM /etc
/systemd
/system
54 chroot
$FAI_ROOT bash
<<'EOFOUTER'
55 systemctl enable fai_check.service
57 exit 0 # avoid unnecessary stuff in bootstrap vol
61 # these get copied in an earlier stage by fai, but leaving it here since
62 # I run this as a single post-fai script to update things that have changed.
64 # outside of fai, this seems to regularly lead to
65 # E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable)
66 # so add a sleep. 1 sec is probably way more than needed.
68 f
=$FAI_ROOT/var
/cache
/apt
/pkgcache.bin
69 if [[ ! -r $f ]] ||
(( $
(( $
(date +%s
) - $
(stat
-c %Y
$f ) )) > 60*60*2 )); then
71 while fuser
$FAI_ROOT/var
/lib
/dpkg
/lock
&>/dev
/null
; do
74 if (( i
> 300 )); then
75 echo "error: timed out waiting for /var/lib/dpkg/lock" >&2
78 $ROOTCMD apt-get update
83 chroot
$FAI_ROOT bash
<<'EOF'
84 #### begin .ssh setup ###
87 mkdir -p /home/iank/.ssh
88 f=/root/.ssh/authorized_keys
92 chown -R 1000:1000 /home/iank/.ssh
93 chmod -R u=Xrw,og= /home/iank/.ssh
95 # remove broken symlinks or the following cp will fail
96 find /home/iank/.ssh -xtype l -exec rm '{}' \;
97 cp -rL /home/iank/.ssh /root
98 chown -R root:root /root/.ssh
100 # https://ticktockhouse.svbtle.com/my-obligatory-ubuntu-ssh-agent-post
101 # systemctl --user is not available at fai time, so create the link ourselves
102 d=/home/iank/.config/systemd/user/default.target.wants
103 sudo -u iank mkdir -p $d
104 sudo -u iank ln -sf /usr/lib/systemd/user/ssh-agent.service $d
105 #### end .ssh setup ###
107 ### duplicated in ssh-emacs-setup
108 # done here so its setup earlier for convenience
109 line='AcceptEnv INSIDE_EMACS BRC COLUMNS'
110 f=/etc/ssh/sshd_config
111 grep -xFq "$line" $f || tee -a $f <<<"$line"
116 # default jessie groups + kvm, systemd-journal, adm
117 for g in adm cdrom floppy sudo audio dip video plugdev netdev; do
118 if getent gropu $g >/dev/null; then
123 if getent group systemd-journal >/dev/null; then
124 usermod -aG systemd-journal iank
128 # this is usefull. Only thing reason I see this being disabled by default is
129 # that a normal user can disrupt the system, eg cause a reboot.
130 sed -i '$a kernel.sysrq=1
131 /^kernel.sysrq=/d' /etc/sysctl.conf
135 if [[ $FAI_ACTION != dirinstall
]]; then
138 # luks options, see man systemd-cryptsetup-generator
139 # all i know is that with luks.crypttab=no, swap still timed out on boot.
140 # and with rd.luks.crypttab=no, it works.
141 cmdline
="rd.luks.crypttab=no console=ttyS0 net.ifnames=0"
142 if ifclass LINODE
; then
144 cmdline
+=",${speed}n8"
145 cmdline
="rd.luks.crypttab=no console=ttyS0,${speed}n8"
148 cmdline
+=",${speed}n8 console=tty0"
151 cat >$FAI_ROOT/etc
/grub.d
/40_custom
<<EOF
154 # This file provides an easy way to add custom menu entries. Simply type the
155 # menu entries you want to add after this comment. Be careful not to change
156 # the 'exec tail' line above.
158 # https://www.coreboot.org/Serial_console # tty
159 # but removed unneeded stuff
161 serial --speed=$speed
162 terminal_input --append serial
163 terminal_output --append serial
167 chroot
$FAI_ROOT bash
<<EOF
169 # https://askubuntu.com/questions/33416/how-do-i-disable-the-boot-splash-screen-and-only-show-kernel-and-boot-text-inst
170 # we remove quiet and splash, and all thats left is what we want
172 if grep -qF "$cmdline" /etc/default/grub; then
173 # already set things, exit
176 sed -ri 's/^ *GRUB_CMDLINE_LINUX_DEFAULT=.*/GRUB_CMDLINE_LINUX_DEFAULT="$cmdline"/' /etc/default/grub
177 # on xenial, no grub is displayed at all. fix that.
178 # found just by noticing this in the config file, and a
179 # warning about it in error.log
180 sed -i '/^ *GRUB_HIDDEN_TIMEOUT/d' /etc/default/grub
184 fi # end != dirinstall
187 # reading through the groups that iank is in but user2 isn't,
188 for g
in plugdev audio video cdrom
; do
189 $ROOTCMD usermod
-a -G $g user2
193 ## begin network setup
195 # use old names. the idea of them changing between boots has never
196 # happened to me and I usually only have 1 wired or other type.
197 # If I ever do need to care about it, I will.
198 # Strangely this didn't work on kw, so I added kernel cmdline parameter.
199 # https://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/
200 ln -sf /dev
/null
$target/etc
/systemd
/network
/99-default.link
202 # use networkmanager if this host has wireless.
203 if [[ $
(iw dev
) ]]; then
204 chroot
$FAI_ROOT bash
<<EOF
205 apt-get -y install network-manager
208 # allow networkmanager to manage interfaces
209 #https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1638842
210 touch $target/etc
/NetworkManager
/conf.d
/10-globally-managed-devices.conf
211 # in a default desktop install, it looks like netplan creates this file under
212 # run/NetworkManager/conf.d in early boot.
214 # By default, dns=default is set in etiona, and dns is just broken.
215 # Maybe with resolvconf it would work, but theres no need for that.
216 # https://wiki.gnome.org/Projects/NetworkManager/DNS
217 cat >$target/etc
/NetworkManager
/conf.d
/99-iank.conf
<<'EOF'
223 cat > $target/etc
/network
/interfaces
<<-EOF
226 iface lo inet loopback
228 iface eth0 inet6 auto
231 # previously had an else condition after
232 #elif ifclass VM || ifclass LINODE; then
233 # iface br0 inet dhcp
237 # however, on t9, on startup, br0, became
238 # rename1 and didn't come up. i dunno why,
239 # but the bridge is for vms that I rarely use,
240 # so not bothering to figure it out.
245 if ifclass LINODE
; then
246 mkdir
-p $target/etc
/initramfs-tools
/conf.d
247 cat >$target/etc
/initramfs-tools
/conf.d
/mine
<<EOF
248 # dhcp in initramfs doesn't work on linode. i dunno why, whatever.
249 # man 5 initramfs.conf
250 # /usr/share/doc/klibc-utils/README.ipconfig.gz
251 # /usr/share/initramfs-tools/scripts/functions
252 IP=$linode_ip::$linode_gw:255.255.255.0::eth0:off
256 # I prefer to stick with ifup/down for now. a. networkd is not in its
257 # own package, so cant use in other init systems. b. it works fine.
258 chroot
$FAI_ROOT bash
<<EOF
259 systemctl disable systemd-networkd.socket systemd-networkd networkd-dispatcher systemd-networkd-wait-online
260 systemctl mask systemd-networkd.socket systemd-networkd networkd-dispatcher systemd-networkd-wait-online