4 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
6 if [[ $EUID != 0 ]]; then
7 echo "$0: error: expected to be root."
11 if ! type -t fcopy
&>/dev
/null
; then
12 sudo apt-get
-y install fai-client
15 if [[ -e /a
/bin
/fai
/fai-wrapper
]]; then
25 # -i = ignore non-matching class warnings, always exit 0
26 # -B = no backup files
28 # this is also done by FABASE/10-misc by default.
32 src
=$FAI/distro-install-common
/shadow
34 if [[ ! -e $dst && -e $src ]]; then
35 # outside of fai context, we skip this
37 mount
-o bind $src $dst
40 $FAI/distro-install-common
/end
41 if ifclass VOL_STRETCH_BOOTSTRAP
; then
42 fcopy
-riM /etc
/systemd
/system
43 chroot
$FAI_ROOT bash
<<'EOFOUTER'
44 systemctl enable fai_check.service
46 exit 0 # avoid unnecessary stuff in bootstrap vol
50 # these get copied in an earlier stage by fai, but leaving it here since
51 # I run this as a single post-fai script to update things that have changed.
53 # outside of fai, this seems to regularly lead to
54 # E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable)
55 # so add a sleep. 1 sec is probably way more than needed.
57 f
=$FAI_ROOT/var
/cache
/apt
/pkgcache.bin
58 if [[ ! -r $f ]] ||
(( $
(( $
(date +%s
) - $
(stat
-c %Y
$f ) )) > 60*60*2 )); then
60 while fuser
$FAI_ROOT/var
/lib
/dpkg
/lock
&>/dev
/null
; do
63 if (( i
> 300 )); then
64 echo "error: timed out waiting for /var/lib/dpkg/lock" >&2
67 $ROOTCMD apt-get update
73 #### misc configurations
74 chroot
$FAI_ROOT bash
<<'EOFOUTER'
75 if getent group systemd-journal >/dev/null; then
76 # makes the journal be saved to disk.
77 mkdir -p /var/log/journal
78 chmod 755 /var/log/journal
80 debconf-set-selections <<EOF
81 kexec-tools kexec-tools/load_kexec boolean false
83 apt-get install -y pxe-kexec
86 #### begin .ssh setup ###
89 mkdir -p /home/iank/.ssh
90 f=/root/.ssh/authorized_keys
94 chown -R 1000:1000 /home/iank/.ssh
95 chmod -R u=Xrw,og= /home/iank/.ssh
97 # remove broken symlinks or the following cp will fail
98 find /home/iank/.ssh -xtype l -exec rm '{}' \;
99 cp -rL /home/iank/.ssh /root
100 chown -R root:root /root/.ssh
102 # https://ticktockhouse.svbtle.com/my-obligatory-ubuntu-ssh-agent-post
103 # systemctl --user is not available at fai time, so create the link ourselves
104 d=/home/iank/.config/systemd/user/default.target.wants
105 sudo -u iank mkdir -p $d
106 sudo -u iank ln -sf /usr/lib/systemd/user/ssh-agent.service $d
107 #### end .ssh setup ###
110 ## duplicated in ssh-emacs-setup
111 # done here so its setup earlier for convenience
112 line='AcceptEnv INSIDE_EMACS BRC COLUMNS'
113 f=/etc/ssh/sshd_config
114 grep -xFq "$line" $f || tee -a $f <<<"$line"
117 # default jessie groups + kvm, systemd-journal, adm
118 for g in adm cdrom floppy sudo audio dip video plugdev netdev; do
119 if getent gropu $g >/dev/null; then
124 if getent group systemd-journal >/dev/null; then
125 usermod -aG systemd-journal iank
129 # this is usefull. Only thing reason I see this being disabled by default is
130 # that a normal user can disrupt the system, eg cause a reboot.
131 sed -i '$a kernel.sysrq=1
132 /^kernel.sysrq=/d' /etc/sysctl.conf
136 if [[ $FAI_ACTION != dirinstall
]]; then
137 # luks options, see man systemd-cryptsetup-generator
138 # all i know is that with luks.crypttab=no, swap still timed out on boot.
139 # and with rd.luks.crypttab=no, it works.
140 if ifclass LINODE
; then
142 cmdline
="rd.luks.crypttab=no net.ifnames=0 console=ttyS0,${speed}n8"
145 cmdline
="rd.luks.crypttab=no net.ifnames=0 console=ttyS0,${speed}n8 console=tty0"
148 cat >$FAI_ROOT/etc
/grub.d
/40_custom
<<EOF
151 # This file provides an easy way to add custom menu entries. Simply type the
152 # menu entries you want to add after this comment. Be careful not to change
153 # the 'exec tail' line above.
155 # https://www.coreboot.org/Serial_console # tty
156 # but removed unneeded stuff
158 serial --speed=$speed
159 terminal_input --append serial
160 terminal_output --append serial
164 chroot
$FAI_ROOT bash
<<EOF
166 # https://askubuntu.com/questions/33416/how-do-i-disable-the-boot-splash-screen-and-only-show-kernel-and-boot-text-inst
167 # we remove quiet and splash, and all thats left is what we want
169 if grep -qF "$cmdline" /etc/default/grub; then
170 # already set things, exit
173 sed -ri 's/^ *GRUB_CMDLINE_LINUX_DEFAULT=.*/GRUB_CMDLINE_LINUX_DEFAULT="$cmdline"/' /etc/default/grub
174 # on xenial, no grub is displayed at all. fix that.
175 # found just by noticing this in the config file, and a
176 # warning about it in error.log
177 sed -i '/^ *GRUB_HIDDEN_TIMEOUT/d' /etc/default/grub
181 fi ##### end != dirinstall
184 # reading through the groups that iank is in but user2 isn't,
185 for g
in plugdev audio video cdrom
; do
186 $ROOTCMD usermod
-a -G $g user2
191 ###### begin network setup ####
193 # use old names. the idea of them changing between boots has never
194 # happened to me and I usually only have 1 wired or other type.
195 # If I ever do need to care about it, I will.
196 # Strangely this didn't work on kw, so I added kernel cmdline parameter.
197 # https://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/
198 ln -sf /dev
/null
$target/etc
/systemd
/network
/99-default.link
200 # use networkmanager if this host has wireless.
201 if [[ $
(iw dev
) ]]; then
202 chroot
$FAI_ROOT bash
<<EOF
203 apt-get -y install network-manager
206 # allow networkmanager to manage interfaces
207 #https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1638842
208 touch $target/etc
/NetworkManager
/conf.d
/10-globally-managed-devices.conf
209 # in a default desktop install, it looks like netplan creates this file under
210 # run/NetworkManager/conf.d in early boot.
212 # By default, dns=default is set in etiona, and dns is just broken.
213 # Maybe with resolvconf it would work, but theres no need for that.
214 # https://wiki.gnome.org/Projects/NetworkManager/DNS
215 cat >$target/etc
/NetworkManager
/conf.d
/99-iank.conf
<<'EOF'
221 cat > $target/etc
/network
/interfaces
<<-EOF
224 iface lo inet loopback
226 iface eth0 inet6 auto
229 # previously had an else condition after
230 #elif ifclass VM || ifclass LINODE; then
231 # iface $NIC1 inet manual
232 # iface br0 inet dhcp
236 # however, on t9, on startup, br0, became
237 # rename1 and didn't come up. i dunno why,
238 # but the bridge is for vms that I rarely use,
239 # so not bothering to figure it out.
244 rm -f $target/etc
/resolv.conf
245 ln -s ..
/run
/systemd
/resolve
/stub-resolv.conf
$target/etc
/resolv.conf
247 if ifclass LINODE
; then
248 mkdir
-p $target/etc
/initramfs-tools
/conf.d
249 cat >$target/etc
/initramfs-tools
/conf.d
/mine
<<EOF
250 # dhcp in initramfs doesn't work on linode. i dunno why, whatever.
251 # man 5 initramfs.conf
252 # /usr/share/doc/klibc-utils/README.ipconfig.gz
253 # /usr/share/initramfs-tools/scripts/functions
254 IP=$linode_ip::$linode_gw:255.255.255.0::eth0:off
258 # I prefer to stick with ifup/down for now. a. networkd is not in its
259 # own package, so cant use in other init systems. b. it works fine.
260 chroot
$FAI_ROOT bash
<<EOF
261 systemctl disable systemd-networkd.socket systemd-networkd networkd-dispatcher systemd-networkd-wait-online
262 systemctl mask systemd-networkd.socket systemd-networkd networkd-dispatcher systemd-networkd-wait-online
265 ##### end network setup #####