iankelling.org Git - distro-setup/blob - distro-begin

   1 #!/bin/bash -l
   2 # Copyright (C) 2016 Ian Kelling
   3 #
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7 #
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16
  17
  18
  19 # for bootstrapping a new machine
  20
  21 # in case we need it,
  22 # to make ssh interactive shell run better, we run this first.
  23 sudo bash -c 'source /a/c/.bashrc && source /a/exe/ssh-emacs-setup'
  24
  25
  26 # usage: $0 [-r] HOSTNAME
  27
  28 # tips:
  29 # run any sudo command first so your pass is cached
  30 # set the scrollback to unlimited in case something goes wrong
  31
  32 if [[ $EUID == 0 ]]; then
  33     if getent passwd iank || getent passwd ian ; then
  34         echo "$0: error: running as root. unprivileged user exists. use it."
  35         exit 1
  36     else
  37         echo "$0: warning: running as root. I will setup users then exit"
  38     fi
  39 fi
  40
  41 interactive=true  # set this to false to force set -x
  42 [[ $- == *i* ]] || interactive=false
  43
  44 if ! $interactive; then
  45     set -x
  46     set -e -o pipefail
  47 fi
  48 set -E
  49 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?"' ERR
  50
  51 exec &> >(sudo tee -a /var/log/distro-begin)
  52 echo "$0: $(date): starting now)"
  53
  54 # headless=false # unused atm
  55 recompile=false
  56 # for copying to a new data fs
  57 bootstrapfs=false # old flag, needs new look before using.
  58 while [[ $1 == -* ]]; do
  59     case $1 in
  60         -r) recompile=true; shift ;;
  61     esac
  62 done
  63
  64 if [[ $1 ]]; then
  65     export HOSTNAME=$1
  66 fi
  67
  68 for f in iank-dev htpc treetowl x2 frodo tp li lj demohost kw; do
  69     eval "$f() { [[ $HOSTNAME == $f ]]; }"
  70 done
  71 has_p() { ! linode; } # when tp is tracis, then not tp either
  72 has_x() { ! linode; }
  73 linode() { lj || li; }
  74 has_btrfs() { ! linode; }
  75 home_network() { ! linode; }
  76 encrypted() { has_p; }
  77
  78 shopt -s extglob
  79 export GLOBIGNORE=*/.:*/..
  80 umask 0002
  81
  82
  83 ####### end command line parsing
  84
  85 PATH="/a/exe:$PATH"
  86 sed="sed --follow-symlinks"
  87
  88 ##### begin setup encryption scripts ######
  89 if encrypted; then
  90     # I tried making a service which was dependent on reboot.target,
  91     # but it happened too late in the shutdown process.
  92     sudo dd of=/etc/systemd/system/keyscripton.service <<'EOF'
  93 [Unit]
  94 Description=Turn on automatic decryption of drives on boot
  95 # tried using graphical.target, but it made my display manager restart before rebooting.
  96 # generally, I don't think targets order shutdown like they do startup.
  97 # So, I did systemd-analyze plot > something.svg, and picked a reliably started
  98 # service that happens late in the game.
  99 After=ntp.service
 100 DefaultDependencies=no
 101 # not sure if needed, makes sure we shut down before reboot.target
 102 Conflicts=reboot.target
 103
 104 [Service]
 105 Type=oneshot
 106 RemainAfterExit=yes
 107 ExecStart=/bin/true
 108 ExecStop=/a/exe/keyscript-on
 109
 110 [Install]
 111 WantedBy=keyscriptoff.service
 112 EOF
 113     sudo systemctl daemon-reload # needed if the file was already there
 114     sudo systemctl stop keyscripton.service
 115     #    sudo systemctl start keyscripton.service
 116     sudo systemctl enable keyscripton.service
 117
 118     sudo dd of=/etc/systemd/system/keyscriptoff.service <<'EOF'
 119 [Unit]
 120 Description=Turn off automatic decryption of drives on boot
 121
 122 [Service]
 123 Type=oneshot
 124 ExecStart=/a/exe/keyscript-off
 125
 126 [Install]
 127 WantedBy=multi-user.target
 128 EOF
 129     sudo systemctl daemon-reload # needed if the file was already there
 130     sudo systemctl enable keyscriptoff.service
 131     sudo systemctl start keyscriptoff.service
 132 fi
 133 ##### end setup encryption scripts ######
 134
 135
 136 install-myqueue
 137
 138 # this script has been designed to be idempotent
 139 # todo, it would be nice to cut down on some of the output
 140
 141
 142 for x in /a/bin/errhandle/*-function; do
 143     source $x
 144 done
 145
 146
 147 set +e
 148 $interactive || errcatch
 149 set +x
 150 source /a/bin/distro-functions/src/identify-distros
 151 $interactive || set -x
 152
 153 if isfedora; then
 154     # comment out line disallowing calling sudo in scripts
 155     sudo $sed -i 's/^Defaults *requiretty/#\0 # ian commented/' /etc/sudoers
 156     # turn on magic sysrq commands for this boot cycle
 157     echo 1 > sudo dd of=/proc/sys/kernel/sysrq
 158     echo "kernel.sysrq = 1" > /etc/sysctl.d/90-sysrq.conf
 159     # selinux is not user friendly. Like, you enable samba, but you haven't run the magic selinux commands so it doesn't work
 160     # and you have no idea why.
 161     sudo $sed -i 's/^\(SELINUX=\).*/\1disabled/' /etc/selinux/config
 162     selinuxenabled && sudo setenforce 0
 163 fi
 164
 165
 166 # already ran for pxe installs, but used for vps & updates
 167 distro=$(distro-name)
 168 case $distro in
 169     ubuntu|debian|trisquel)
 170         sudo bash -c ". /a/bin/fai/fai-wrapper && /a/bin/fai/fai/config/scripts/GRUB_PC/11-iank"
 171         ;;
 172     *)
 173         sudo bash -c ". /a/bin/fai/fai-wrapper &&
 174 /a/bin/fai/fai/config/distro-install-common/end"
 175         ;;
 176 esac
 177
 178 sudo $sed -i '/^127\.0\.1\.1/d' /etc/hosts
 179 echo "127.0.1.1 $HOSTNAME.b8.nz $HOSTNAME" | sudo tee -a /etc/hosts
 180
 181
 182 if [[ $EUID == 0 ]]; then
 183     echo "$0: running as root. exiting now that users are setup"
 184     exit 0
 185 fi
 186
 187
 188 #### begin link bashrc for root ######
 189 for x in /a/c/{.bashrc,brc,.bash_profile,.profile,.inputrc,path_add_function}; do
 190     sudo -i <<EOF
 191 PATH="/a/exe:$PATH"
 192 lnf $x /root
 193 EOF
 194 done
 195 #### end link bashrc repo for root ######
 196
 197 # li needs the bind group before conflink
 198 if [[ $HOSTNAME == li ]]; then
 199     getent group bind &>/dev/null || sudo groupadd -r bind
 200 fi
 201 # this needs to be before installing pacserve so we have gpg conf.
 202 conflink
 203
 204 set +x
 205 errallow
 206 source /etc/profile.d/environment.sh
 207 source ~/.bashrc
 208 $interactive || errcatch
 209 $interactive || set -x
 210
 211
 212 # passwordless sudo
 213 tu /etc/sudoers <<EOF
 214 $USER  ALL=(ALL)  NOPASSWD: ALL
 215 Defaults  env_keep += SUDOD
 216 # makes ubuntu be like debian
 217 # https://unix.stackexchange.com/a/91572
 218 Defaults always_set_home
 219 EOF
 220
 221
 222 # enable magic sysrq keys. debian docs say it is already enabled by default
 223 isfedora && tu /etc/sysctl.conf 'kernel.sysrq = 1'
 224
 225
 226 if isdeb; then
 227     codename=$(debian-codename)
 228     ## ian: disabled. backports are not being published atm due to rust packaging issue
 229     #     if isdebian-stable && has_x; then
 230     #         s dd of=/etc/apt/sources.list.d/mozilla-iceweasel.list <<EOF
 231     # deb http://mozilla.debian.net/ $codename-backports firefox-release
 232     # deb-src http://mozilla.debian.net/ $codename-backports firefox-release
 233     # EOF
 234     #         p update
 235     #         # take care of mozilla signing errors in previous command
 236     #         pi pkg-mozilla-archive-keyring
 237     #     fi
 238     p update
 239
 240 fi
 241
 242 if isarch; then
 243     #https://wiki.archlinux.org/index.php/Arch_User_Repository#Installing_packages
 244     sudo pacman -S --noconfirm --needed base-devel jq
 245     # pacaur seems to be the best, although it + cower has a few minor bugs,
 246     # its design goals seem good, so, going for it.
 247
 248     aurpi() {
 249         for p in "$@"; do
 250             tempdir=$(mktemp -d)
 251             pushd $tempdir
 252             aurex "$p"
 253             makepkg -sri --skippgpcheck --noconfirm
 254             popd
 255             rm -rf $tempdir
 256         done
 257     }
 258     aurpi cower pacaur
 259
 260     pi pacserve
 261
 262     x=$(mktemp); /usr/bin/pacman.conf-insert_pacserve >$x
 263     sudo dd of=/etc/pacman.conf if=$x; rm $x
 264     sudo systemctl enable pacserve.service
 265     sudo systemctl start pacserve.service
 266
 267     # strange error if just installing trash-cli: "pyalpm requires python",
 268     # so I see that it requires python2, and installing that manually fixes it.
 269     # I didn't see this on earlier installation, main thing which changed was
 270     # pacserve, so not sure if it's related.
 271     pi python2
 272 fi
 273
 274 pup
 275 pi trash-cli
 276
 277
 278 ###### link files ###########
 279 # convenient to just do all file linking in one place
 280
 281
 282 s lnf -T /a/bin /b
 283 s lnf -T /nocow/t /t
 284
 285 if has_p; then
 286     lnf -T /p/News ~/News
 287 fi
 288
 289 s lnf /q/root/.editor-backups /q/root/.undo-tree-history \
 290   /a/opt /a/c/.emacs.d $HOME/mw_vars /k/backup /root
 291
 292 rootsshsync
 293
 294 s lnf /a/c/.vim /a/c/.vimrc /a/c/.gvimrc /root
 295
 296 # machine is going away
 297 # if [[ $HOSTNAME == htpc ]]; then
 298 #     lnf -T /i/Videos ~/Downloads
 299 # fi
 300
 301 if has_p; then
 302     # for dovecot
 303     lnf -T /i/k/mboxes ~/mail
 304 fi
 305
 306
 307 ##### basic needed packages
 308
 309 ### begin setup for keyboard and redshift ###
 310 case $(distro-name) in
 311
 312     trisquel|ubuntu|debian)
 313         if has_x; then
 314             if isdebian-testing; then
 315                 pi xmacro/unstable # has no unstable deps
 316             else
 317                 pi xmacro
 318             fi
 319             pi gtk-redshift xinput
 320         fi
 321         ;;&
 322     fedora)
 323         p -y groupinstall development-tools c-development books admin-tools
 324         pi wget man-pages
 325         if has_x; then
 326             pi redshift-gtk
 327             # debian has this package patched to work, upstream is dead
 328             # tried using alien, pi alien, alien -r *.deb, rpm -Uhv *.rpm, got this error, so fuck it
 329             # file /usr/bin from install of xmacro-0.3pre_20000911-7.x86_64 conflicts with file from package filesystem-3.2-19.fc20.x86_64
 330             # http://packages.debian.org/source/sid/xmacro
 331             pi patch libXtst-devel
 332             cd $(mktemp -d)
 333             wget http://ftp.de.debian.org/debian/pool/main/x/xmacro/xmacro_0.3pre-20000911.orig.tar.gz
 334             wget http://ftp.de.debian.org/debian/pool/main/x/xmacro/xmacro_0.3pre-20000911-6.diff.gz
 335             ex *.gz
 336             patch -p0 < xmacro_0.3pre-20000911-6.diff
 337             cd xmacro-0.3pre-20000911.orig
 338             make
 339             sleep 1 # not sure why the following command couldn\'t find, so trying this
 340             # no make install target
 341             s cp -f xmacroplay xmacrorec xmacrorec2 /usr/local/bin
 342         fi
 343         ;;&
 344     arch)
 345         # like apt-cache
 346         pi pkgfile
 347         s pkgfile --update
 348         if has_x; then
 349             # libxtst is missing dep https://aur.archlinux.org/packages/xmacro/#news
 350             pi xorg-server redshift xorg-xinput libxtst xmacro
 351
 352             # background:
 353             # https://aur.archlinux.org/packages/xkbset/#comment-545419
 354             cert=$(mktemp)
 355             cat >$cert <<'EOF'
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 406 -----END CERTIFICATE-----
 407 -----BEGIN CERTIFICATE-----
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 441 -----BEGIN CERTIFICATE-----
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 473 jjxDah2nGN59PRbxYvnKkKj9
 474 -----END CERTIFICATE-----
 475 EOF
 476             cat /etc/ssl/certs/ca-certificates.crt >> $cert
 477             CURL_CA_BUNDLE=$cert pi xkbset
 478         fi
 479
 480         ;;&
 481     ubuntu|trisquel|debian|fedora)
 482         if has_x; then
 483             if isdebian-testing; then
 484                 # xkbset was in testing for quite a while, dunno
 485                 # why it\'s not anymore. Sometime I should check and
 486                 # see if it\'s back in testing, but the unstable package
 487                 # doesn\'t upgrade anything form testing, and it\'s tiny
 488                 # so I\'m not bothering to automate it.
 489                 pi xkbset/unstable
 490             else
 491                 pi xkbset
 492             fi
 493         fi
 494         ;;&
 495 esac
 496 if has_x; then
 497     pi xbindkeys
 498 fi
 499 ### end setup for keyboard and redshift ###
 500
 501
 502 pi cryptsetup lvm2
 503 # enables trim for volume delete, other rare commands.
 504 sudo $sed -ri 's/( *issue_discards\b).*/\1 = 1/' /etc/lvm/lvm.conf
 505
 506 if encrypted; then
 507     if isdeb; then
 508         sudo cp /usr/share/doc/util-linux/examples/fstrim.{service,timer} /etc/systemd/system
 509     fi
 510     # does weekly trim
 511     sudo systemctl enable fstrim.timer
 512 fi
 513
 514 dirs=(/mnt/{1,2,3,4,5,6,7,8,9})
 515 s mkdir -p "${dirs[@]}"
 516 s chown $USER:$USER  "${dirs[@]}"
 517
 518
 519 tu /etc/fstab <<'EOF'
 520 /i/w  /w  none  bind,noauto  0 0
 521 /i/k  /k  none  bind,noauto  0 0
 522 EOF
 523
 524
 525 if ! mountpoint /kr; then
 526     s mkdir -p /kr
 527     s chown $USER:traci /kr
 528 fi
 529
 530 if home_network; then
 531     if [[ $HOSTNAME == frodo ]]; then
 532         tu /etc/fstab <<'EOF'
 533 /k  /kr  none  bind,noauto  0 0
 534 EOF
 535     else
 536         tu /etc/fstab <<'EOF'
 537 frodo:/k  /kr  nfs  noauto  0 0
 538 EOF
 539     fi
 540 fi
 541
 542 s mkdir -p /q /i/{w,k}
 543 for dir in /{i,w,k}; do
 544     if mountpoint $dir; then continue; fi # already mounted
 545     s mkdir -p $dir
 546     s chown $USER:$USER $dir
 547 done
 548
 549 # not needed for all hosts, but rather just keep it uniform
 550 s mkdir -p /mnt/iroot
 551
 552 # debian auto mounting of multi-disk encrypted btrfs is busted.  It is
 553 # in jessie, and in stretch as of 11/26/2016 I have 4 disks in cryptab,
 554 # based on 3 of those, it creates .device units for /dev/mapper/dev...
 555 # then waits endlessly for them on bootup, after the /dev/mapper disks
 556 # have already been created and exist. todo: create a simple repro
 557 # for this in a vm and report it upstream.
 558 if has_btrfs || home_network; then
 559     pi nfs-common
 560     s dd of=/root/imount <<'EOF'
 561 #!/bin/bash
 562 [[ $EUID == 0 ]] || exec sudo -E "$BASH_SOURCE" "$@"
 563 set -eE -o pipefail
 564 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 565 for dir in /i /mnt/iroot /k /kr /w; do
 566     if ! mountpoint $dir &>/dev/null && \
 567             awk '{print $2}' /etc/fstab | grep -xF $dir &>/dev/null; then
 568         if awk '{print $3}' /etc/fstab | grep -xF nfs &>/dev/null; then
 569             mount $dir || echo "warning: failed to mount nfs on $dir"
 570         else
 571             mount $dir
 572         fi
 573     fi
 574 done
 575 EOF
 576     s chmod +x /root/imount
 577
 578     s dd of=/etc/systemd/system/imount.service <<EOF
 579 [Unit]
 580 Description=Mount /i and related mountpoints
 581 Before=syncthing@$USER.service
 582
 583 [Service]
 584 Type=oneshot
 585 ExecStart=/root/imount
 586
 587 [Install]
 588 RequiredBy=syncthing@$USER.service
 589 # note /kr needs networking, this target is the simplest way to
 590 # time it when the network should be up, but not do something
 591 # dumb like delay startup until the network is up. It happens
 592 # at some time after network.target
 593 WantedBy=multi-user.target
 594 EOF
 595     sudo systemctl daemon-reload # needed if the file was already there
 596     sudo systemctl enable imount.service
 597     sudo systemctl start imount.service
 598 fi
 599
 600 dir=/nocow
 601 if has_btrfs; then
 602     if ! mountpoint $dir; then
 603         subvol=/mnt/root/nocow
 604         if [[ ! -e $subvol ]]; then
 605             s btrfs subvolume create $subvol
 606             s chown root:1000 $subvol
 607             s chattr +C $subvol
 608         fi
 609
 610         first_root_crypt=$(awk '$2 == "/" {print $1}' /etc/mtab)
 611         tu /etc/fstab <<EOF
 612 $first_root_crypt  /nocow  btrfs  noatime,subvol=nocow  0 0
 613 EOF
 614         s mkdir -p $dir
 615         s chown $USER:$USER $dir
 616         s mount $dir
 617     fi
 618 else
 619     sudo mkdir -p $dir
 620 fi
 621
 622 # ssh and probably some other things care about parent directory
 623 # ownership, and ssh doesn\'t allow any group writable parent
 624 # directories, so we are forced to use a directory structure similar
 625 # to home directories
 626 s chown root:$USER /q
 627 s chmod 755 /q
 628
 629
 630 #  it comes with stretch and arch, but not jessie.
 631 # propogate /etc/udev/hwdb.d
 632 if which systemd-hwdb; then
 633     s systemd-hwdb update
 634     ser restart systemd-udev-trigger
 635 fi
 636
 637
 638 if isdeb; then
 639     # I\'ve had problems with postfix on debian:
 640     # on stretch, a startup ordering issue caused all mail to fail.
 641     # postfix changed defaults to only use ipv6 dns, causing all my mail to fail.
 642     # exim4 is default on debian, so I assume it would
 643     # be packaged better to avoid these types of things.
 644     # I haven\'t gotten around to getting a non-debian exim
 645     # setup.
 646     mail-setup exim4
 647 else
 648     mail-setup postfix
 649 fi
 650
 651 if isubuntu; then
 652     # disable crash report annoying dialogs.
 653     s dd of=/etc/default/apport <<<'enabled=0'
 654 fi
 655
 656 # fai sets this an old way that doesn't work for stretch.
 657 # no harm in setting it universally here.
 658 # using debconf-set-selection, the area gets reset to ETC
 659 # on my linode test machine after doing a dpkg-reconfigure, or a reinstall,
 660 # so we are using expect :(
 661 # I got a random error when running this, so I added a sleep
 662 # rather than trying to write a whole detect and wait loop.
 663 # E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
 664 # E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
 665 sleep 1
 666 # todo: this is not idempotent, it fails when running twice, due to prepopulated values.
 667 # check into unsetting them using debconf-set-selection.
 668 s apt-get -y install --no-install-recommends expect
 669 s expect <<EOF ||:
 670 set force_conservative 0
 671 spawn dpkg-reconfigure tzdata -freadline
 672 expect -nocase timeout {exit 1} "Geographic area:"
 673 send "\02512\r"
 674 expect -nocase timeout {exit 1} "Time zone:"
 675 send "\0255\r"
 676 expect eof
 677 exit
 678 EOF
 679
 680
 681 if has_x; then
 682     if isarch; then
 683         # install so it's build dependencies don't get removed.
 684
 685         # emacs git build is currently broken
 686         if false; then
 687             x=$(mktemp -d)
 688             pushd $x
 689             aurex emacs-git
 690             makepkg -si --noconfirm
 691             popd
 692             rm -rf $x
 693         else
 694             pi emacs
 695         fi
 696         pi hunspell hunspell-en
 697     else
 698         if $recompile; then
 699             /a/bin/buildscripts/emacs
 700         else
 701             /a/bin/buildscripts/emacs --no-r || /a/bin/buildscripts/emacs
 702         fi
 703     fi
 704
 705     # todo, figure this out for arch if we ever try out gnome.
 706     if ! isarch; then
 707         # install for multiple display managers in case we use one
 708         if isdeb; then
 709             dir=/etc/gdm3
 710         elif isfedora; then
 711             # fedora didn\'t have the 3.
 712             dir=/etc/gdm
 713         fi
 714         s mkdir -p $dir/PostLogin
 715         s command cp /a/bin/distro-setup/desktop-20-autostart.sh $dir/PostLogin/Default
 716         s mkdir /etc/lightdm/lightdm.conf.d
 717         s dd of=/etc/lightdm/lightdm.conf.d/12-iank.conf <<'EOF'
 718 [SeatDefaults]
 719 session-setup-script=/a/bin/distro-setup/desktop-20-autostart.sh
 720 EOF
 721     fi
 722
 723
 724     pi ghc sakura
 725     # todo, also note for work comp, scp opt/org-mode bin/build-scripts
 726
 727     # use the package manger version to install the cabal version
 728     pi cabal-install
 729     cabal update
 730     PATH="$PATH:$HOME/.cabal/bin"
 731
 732     # todo, on older ubuntu I used cabal xmonad + xfce,
 733     # see /a/bin/old-unused/xmonad-cabal.sh
 734
 735     # trying out the distros versions newer distros
 736     pi xmonad
 737     if isarch; then
 738         # for displaying error messages.
 739         # optional dependency in arch, standard elsewhere.
 740         pi xorg-xmessage xmonad-contrib xorg-xsetroot xorg-xinit
 741
 742         # https://wiki.archlinux.org/index.php/Xinitrc
 743         for homedir in /home/*; do
 744             cp /etc/X11/xinit/xinitrc $homedir/.xinitrc
 745             $sed -ri '/^ *twm\b/,$d' $homedir/.xinitrc
 746             tee -a $homedir/.xinitrc <<'EOF'
 747 /a/bin/desktop-20-autostart.sh
 748 xsetroot -cursor_name left_ptr
 749 exec xmonad
 750 EOF
 751         done
 752     else
 753         pi suckless-tools
 754     fi
 755     pi dmenu
 756
 757     if tp || x2; then
 758         case $distro in
 759             debian)
 760                 pi task-laptop
 761                 ;;
 762             ubuntu|trisquel)
 763                 # the exact packages that task-laptop would install, since ubuntu
 764                 # doesn\'t have this virtual in practice package.
 765                 pi avahi-autoipd bluetooth powertop iw wireless-tools wpasupplicant
 766                 ;;
 767             # todo: other distros unknown
 768         esac
 769     fi
 770 fi
 771
 772 # the first pup command can kill off our /etc/ mod, so rerun this
 773 /a/exe/ssh-emacs-setup
 774 echo "$0: $(date): ending now"
 775 exit 0