Age of Insanity

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====Instructions====

A) Setup autorun script: Put autorun_gameprod.sh in /home/aoi/
B) Setup autorun script to autorun:  Put autorun_gameprod.service in /etc/systemd/system/autorun_gameprod.service
C) Reload systemd and start the service
sudo systemctl daemon-reload
sudo systemctl enable --now autorun_gameprod.service
D)  Verify it stays up
sudo systemctl status autorun_gameprod.service
sudo journalctl -fu autorun_gameprod.service
E) Should just run now automatically upon boot up.
F) That said, to troubleshoot, or for reference:
To run AOI's autorun script: ./autorun &
To stop AOI's autorun script:  touch a file called .killscript in the same directory, which will stop the script the next time it autostarts the MUD.
To run AOI just one time:  ./test &

====Two files needed; reference copies below====

===1) autorun_gameprod.sh===
steve@aoi:/home/aoi$ cat autorun_gameprod.sh
#!/bin/bash
##############################################################################
# CircleMUD 2.2-compatible autorun script
# Adapted from the Circle 3.1 script by J. Elson et al. (1996)
##############################################################################

#hey to anyone modifying this..  there's a "cd bin" command to get into
#the right dir before starting the binary.  this is b/c running bin/test
#breaks something that expect our current directory to be bin/ not ./
#so... make sure to review that & edit if you are trying to use this script
#to launch any other instance of AOI in a different dir.
#love,
#steve
#5-31-2025

# --- TUNE THESE -------------------------------------------------------------
PORT=4000                      # port your MUD listens on
BIN=test                   # relative path to the server binary
FLAGS=''                       # default runtime flags (-q = quiet boot)
BACKLOGS=9                     # how many rotated syslogs to keep

# log-file pattern list:  name:maxlines(0 = unlimited):grep-pattern
LOGFILES='
delete:0:self-delete
dts:0:death trap
rip:0:killed
restarts:0:Running
levels:0:advanced
rentgone:0:equipment\ lost
usage:0:usage
newplayers:0:new\ player
errors:0:SYSERR
godcmds:0:(GC)
badpws:0:Bad\ PW
'
LEN_CRASHLOG=30                # lines of syslog to save as syslog.CRASH
# ---------------------------------------------------------------------------

ulimit -c unlimited            # keep core dumps
umask 077                      # log files => rw-------

proc_syslog () {
    [ -s syslog ] || return
    # make crash snapshot
    [ "$LEN_CRASHLOG" -gt 0 ] && tail -n "$LEN_CRASHLOG" syslog > syslog.CRASH

OLD_IFS=$IFS; IFS=$'\n'
    for rec in $LOGFILES; do
        name=log/$(echo "$rec" | cut -d: -f1)
        len=$(echo  "$rec" | cut -d: -f2)
        pat=$(echo  "$rec" | cut -d: -f3-)
        grep -F "$pat" syslog >> "$name"
        # truncate if needed
        [ "$len" -gt 0 ] && tail -n "$len" "$name" > "$name.tmp" && mv "$name.tmp" "$name"
    done
    IFS=$OLD_IFS

# rotate syslogs
    if [ -s log/syslog."$BACKLOGS" ]; then
        idx=$((BACKLOGS+1))
    else
        idx=1; while [ -s log/syslog."$idx" ]; do idx=$((idx+1)); done
    fi
    for ((y=idx; y>1; y--)); do mv -f log/syslog.$((y-1)) log/syslog.$y 2>/dev/null; done
    mv -f syslog log/syslog.1
}

# If a stale syslog exists (unclean shutdown), rotate it first
[ -s syslog ] && echo "autorun noticed unclean exit $(date)" >> syslog && proc_syslog

echo "===> Starting autorun loop on port $PORT; binary $BIN"

while :; do
    date > syslog
    echo "Running $BIN $FLAGS $PORT" >> syslog
(
    cd bin || { echo "autorun: cannot cd to bin" >> syslog; exit 1; }
    ./"$BIN" $FLAGS $PORT >> ../syslog 2>&1
)
    # honour .killscript / .fastboot / pause sentinel files
    if [ -e .killscript ]; then
        echo "$(date) : autorun killed" >> syslog
        rm .killscript
        proc_syslog
        exit 0
    fi
#default is typically 60, not 15.  but this makes us come back faster after crashes.
    [ -e .fastboot ] && delay=5 || delay=15
    rm -f .fastboot
    sleep "$delay"

while [ -e pause ]; do sleep 60; done
    proc_syslog
done

===2) autorun_gameprod.service===
steve@aoi:/home/aoi$ cat autorun_gameprod.service
# /etc/systemd/system/autorun_gameprod.service
[Unit]
Description=AOI CircleMUD production instance
After=network.target

[Service]
Type=simple
#--- run as an unprivileged account if it exists ---
#User=aoi
WorkingDirectory=/home/aoi
ExecStart=/home/aoi/autorun_gameprod.sh

# Restart autorun itself if it ever dies
Restart=always
RestartSec=5

# Journald handles all logging; no separate files needed
StandardOutput=journal
StandardError=journal

# (optional hardening-flags you can re-add once it starts)
#NoNewPrivileges=yes
#PrivateTmp=yes
#ProtectSystem=full
#ProtectHome=yes

[Install]
WantedBy=multi-user.target

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