--- a/INSTALL	2025-08-14 08:46:43.845548078 +0000
+++ b/INSTALL	2025-08-14 08:50:33.771706783 +0000
@@ -1,28 +1,29 @@
 #!/bin/sh
 
-DESTDIR=${DESTDIR:="/"}
+# Use Nix output directory instead of system paths
+DESTDIR=${out}
 
-BINDIR=$DESTDIR/usr/bin
-DOCDIR=$DESTDIR/usr/share/doc/collectl
-SHRDIR=$DESTDIR/usr/share/collectl
-MANDIR=$DESTDIR/usr/share/man/man1
-SYSDDIR=$DESTDIR/usr/lib/systemd/system
-ETCDIR=$DESTDIR/etc
-INITDIR=$ETCDIR/init.d
+BINDIR=$out/bin
+DOCDIR=$out/share/doc/collectl
+SHRDIR=$out/share/collectl
+MANDIR=$out/share/man/man1
+SYSDDIR=$out/lib/systemd/system
+ETCDIR=$out/etc
+INITDIR=$out/etc/init.d
 
 mkdir -p $BINDIR
 mkdir -p $DOCDIR
 mkdir -p $SHRDIR
 mkdir -p $ETCDIR
 mkdir -p $MANDIR
-mkdir -p $INITDIR
+# Skip init.d creation for Nix
 mkdir -p $SHRDIR/util
 mkdir -p $DESTDIR/var/log/collectl
 
 cp collectl colmux       $BINDIR
 cp collectl.conf         $ETCDIR
 cp man1/*                $MANDIR
-cp initd/*               $INITDIR
+# Skip init scripts for Nix
 
 cp docs/*                $DOCDIR
 cp GPL ARTISTIC COPYING  $DOCDIR
@@ -42,87 +43,12 @@
 # Force in case redoing the install and files already zipped
 gzip -f $MANDIR/collectl*
 
-chmod 755 $INITDIR/collectl*
+# Skip chmod on init scripts for Nix
 chmod 444 $ETCDIR/collectl.conf
 chmod 755 $BINDIR/collectl
 chmod 444 $DOCDIR/ARTISTIC $DOCDIR/COPYING $DOCDIR/GPL
 chmod 444 $SHRDIR/*ph
 chmod 755 $SHRDIR/util/*
 
-# remove any stale versions in case the names/numbers used have changed.
-# on new ROCKS installion 'rm' isn't there yet!  [thanks roy]
-if [ -x /bin/rm ] ; then
-  /bin/rm -f $INITDIR/rc*.d/*collectl
-  /bin/rm -f $ETCDIR/rc.d/rc*.d/*collectl
-fi
-
-# only if systemd is supported
-if [ -d $SYSDDIR ]; then
-  cp service/collectl.service $SYSDDIR
-fi
-
-# Try and decide which distro this is based on distro specific files.
-distro=1
-if [ -f /sbin/yast ]; then
-    distro=2
-    mv -f $INITDIR/collectl-suse $INITDIR/collectl
-    rm -f $INITDIR/collectl-debian
-    rm -f $INITDIR/collectl-generic
-fi
-
-# debian
-if [ -f /usr/sbin/update-rc.d ]; then
-    distro=3
-    mv -f $INITDIR/collectl-debian $INITDIR/collectl
-    rm -f $INITDIR/collectl-suse
-    rm -f $INITDIR/collectl-generic
-
-    # only if we're installing under /
-    [ "$DESTDIR" = "/" ] && update-rc.d collectl defaults
-fi
-
-# redhat
-if [ -f /etc/redhat-release ]; then
-    distro=4
-    rm -f $INITDIR/collectl-suse
-    rm -f $INITDIR/collectl-debian
-    rm -f $INITDIR/collectl-generic
-    if [ -f /usr/sbin/chkconfig ]; then
-    	[ "$DESTDIR" = "/" ] && chkconfig --add collectl
-    fi	
-# Not needed for RHEL8 and higher	
-fi
-
-# gentoo
-if [ -f $ETCDIR/gentoo-release ]; then
-    distro=5
-    mv -f $INITDIR/collectl-generic $INITDIR/collectl
-    rm -f $INITDIR/collectl-suse
-    rm -f $INITDIR/collectl-debian
-    [ "$DESTDIR" = "/" ] && rc-update -a collectl default
-fi
-
-# Generic Distros
-# If /etc/init.d doesn't exist and/or there's no way to use chkconfig or 
-# rc-update you're going to have to add some custom code below...
-if [ ${distro} = 1 ]; then
-
-    mv -f $INITDIR/collectl-generic $INITDIR/collectl
-    rm -f $INITDIR/collectl-suse
-    rm -f $INITDIR/collectl-debian
-
-    # If in not installing under / there's nothing extra do
-    [ $DESTDIR != "/" ] && exit 0
-
-    # figure out how to handle reboots
-    if [ -f /sbin/chkconfig ]; then
-        chkconfig --add collectl
-    elif [ -f /sbin/rc-update ]; then
-        rc-update -a collectl default
-# RHEL9 has no chkconfig	
-    elif [ -f /usr/bin/systemctl ]; then
-        systemctl enable collectl
-    else
-        echo "could not figure out how to enable restarting across reboots"
-    fi
-fi
+# Skip all distro-specific service installation for Nix
+# Nix manages services differently through NixOS modules