diff --git a/_base.py b/_base.py
index 1288936..ccf4aa3 100644
--- a/_base.py
+++ b/_base.py
@@ -13,6 +13,9 @@ class BaseUpdater(object):
     _tpl_dir = os.path.join(os.path.dirname(os.path.abspath(os.path.expanduser(__file__))), 'tpl')
     _tpl_file = None
     _date_fmt = '%a, %d %b %Y %H:%M:%S %z'
+    _tpl_vars = {}
+    arch = None
+    variant = None
 
     def __init__(self,
                  dest_dir,
@@ -49,6 +52,19 @@ class BaseUpdater(object):
         self.dest_iso = os.path.join(self.dest_dir, self.dest_file)
         self.dest_ver = os.path.join(self.dest_dir, self.ver_file)
 
+    def _init_tplvars(self):
+        self.getUUID()
+        self._tpl_vars['iso_path'] = os.path.abspath(
+                                        os.path.expanduser(
+                                            os.path.join(self.grub_iso_dir,
+                                                         self.dest_file))).lstrip('/')
+        self._tpl_vars['disk_uuid'] = self.boot_uuid
+        self._tpl_vars['version'] = self.new_ver
+        self._tpl_vars['arch'] = self.arch
+        self._tpl_vars['ver_str'] = str(self.new_ver).replace('.', '')
+        self._tpl_vars['variant'] = self.variant
+        return(None)
+
     def main(self):
         if self.getRunning():
             return(None)
@@ -61,6 +77,7 @@ class BaseUpdater(object):
             self.do_update = True
             self.download()
         if self.do_grub:
+            self._init_tplvars()
             self.grub()
         self.touchVer()
         self.unlock()
@@ -133,17 +150,12 @@ class BaseUpdater(object):
         return(None)
 
     def grub(self):
-        self.getUUID()
         import jinja2
         loader = jinja2.FileSystemLoader(searchpath = self._tpl_dir)
         tplenv = jinja2.Environment(loader = loader)
         tpl = tplenv.get_template(self._tpl_file)
         with open(self.grub_cfg, 'w') as fh:
-            fh.write(tpl.render(iso_path = os.path.abspath(
-                                    os.path.expanduser(
-                                        os.path.join(self.grub_iso_dir,
-                                                     self.dest_file))).lstrip('/'),
-                                disk_uuid = self.boot_uuid))
+            fh.write(tpl.render(**self._tpl_vars))
         os.chmod(self.grub_cfg, 0o0755)
         cmd = subprocess.run(['grub-mkconfig',
                               '-o', '{0}/grub/grub.cfg'.format(self.boot_dir)],
diff --git a/arch.py b/arch.py
index 6071512..be844a9 100755
--- a/arch.py
+++ b/arch.py
@@ -30,7 +30,7 @@ class Updater(_base.BaseUpdater):
     _allowed_hashes = ('md5', 'sha1')
     _allowed_arches = ('x86_64', )
     _datever_fmt = '%Y.%m.%d'
-    _arch = 'x86_64'  # Arch Linux proper only offers x86_64.
+    arch = 'x86_64'  # Arch Linux proper only offers x86_64.
     _iso_dir = 'iso/latest'
     _iso_fname = 'archlinux-{ver}-{arch}.iso'
     _iso_file = os.path.join(_iso_dir, _iso_fname)
@@ -130,7 +130,7 @@ class Updater(_base.BaseUpdater):
         self.new_hash = self.old_hash
         self.new_ver = self.old_ver
         self.new_date = self.old_date
-        # if ver_info.get('arch') != self._arch:
+        # if ver_info.get('arch') != self.arch:
         #     self.do_update = True
         #     self.force_update = True
         try:
@@ -186,7 +186,7 @@ class Updater(_base.BaseUpdater):
                 self.rel_notes_url = notes
                 datever = self.new_ver.strftime(self._datever_fmt)
                 self.iso_url = os.path.join(self.mirror_base,
-                                            self._iso_file.lstrip('/')).format(ver = datever, arch = self._arch)
+                                            self._iso_file.lstrip('/')).format(ver = datever, arch = self.arch)
                 hash_url = os.path.join(self.mirror_base,
                                         self._iso_dir,
                                         '{0}sums.txt'.format(self.hash_type))
diff --git a/grml.py b/grml.py
index e78c67b..5abf4ef 100755
--- a/grml.py
+++ b/grml.py
@@ -80,12 +80,14 @@ class Updater(_base.BaseUpdater):
             self.do_update = True
             self.force_update = True
             self.old_ver = 0.00
+            self.variant = 'full'
             return(None)
         with open(self.dest_ver, 'rb') as fh:
             ver_info = json.load(fh)
         self.old_date = datetime.datetime.strptime(ver_info['date'], self._date_fmt)
         self.old_ver = ver_info['ver']
         self.old_hash = ver_info.get(self.hash_type, self._def_hash)
+        self.variant = ver_info.get('variant', self.variant)
         self.new_hash = self.old_hash
         self.new_ver = self.old_ver
         self.new_date = self.old_date
@@ -122,6 +124,8 @@ class Updater(_base.BaseUpdater):
             ver_info = fname_r.groupdict()
             if ver_info['arch'] != self.arch:
                 continue
+            if ver_info['variant'] != self.variant:
+                continue
             new_ver = float(ver_info.get('version', self.old_ver))
             iso_url = os.path.join(self.dl_base, link['href'].replace(self.dl_base, ''))
             hash_url = '{0}.{1}'.format(iso_url, self.hash_type)
@@ -145,6 +149,7 @@ class Updater(_base.BaseUpdater):
         d = {'date': self.new_date.strftime(self._date_fmt),
              'arch': self.arch,
              'ver': self.new_ver,
+             'variant': self.variant,
              self.hash_type: self.new_hash}
         j = json.dumps(d, indent = 4)
         with open(self.dest_ver, 'w') as fh:
diff --git a/tpl/arch_grub.conf.j2 b/tpl/arch_grub.conf.j2
index ca3237f..75cae5b 100644
--- a/tpl/arch_grub.conf.j2
+++ b/tpl/arch_grub.conf.j2
@@ -19,8 +19,14 @@ submenu 'Arch Install ISO' {
 		set isofile='{{ iso_path }}'
 		set imgdevpath="/dev/disk/by-uuid/{{ disk_uuid }}"
 		loopback loop (${root})/${isofile}
-		linux (loop)/arch/boot/x86_64/vmlinuz-linux archisobasedir=arch img_dev=$imgdevpath img_loop=${isofile} earlymodules=loop
-		initrd (loop)/arch/boot/intel-ucode.img (loop)/arch/boot/amd-ucode.img (loop)/arch/boot/x86_64/initramfs-linux.img
+		linux (loop)/arch/boot/x86_64/vmlinuz-linux \
+				archisobasedir=arch \
+				img_dev=$imgdevpath \
+				img_loop=${isofile} \
+				earlymodules=loop
+		initrd (loop)/arch/boot/intel-ucode.img \
+			   (loop)/arch/boot/amd-ucode.img \
+               (loop)/arch/boot/x86_64/initramfs-linux.img
 	}
 
 	menuentry 'Accessibility mode' {
@@ -34,8 +40,15 @@ submenu 'Arch Install ISO' {
 		set isofile='{{ iso_path }}'
 		set imgdevpath="/dev/disk/by-uuid/{{ disk_uuid }}"
 		loopback loop (${root})/${isofile}
-		linux (loop)/arch/boot/x86_64/vmlinuz-linux archisobasedir=arch img_dev=$imgdevpath img_loop=${isofile} earlymodules=loop accessibility=on
-		initrd (loop)/arch/boot/intel-ucode.img (loop)/arch/boot/amd-ucode.img (loop)/arch/boot/x86_64/initramfs-linux.img
+		linux (loop)/arch/boot/x86_64/vmlinuz-linux \
+				archisobasedir=arch \
+				img_dev=$imgdevpath \
+				img_loop=${isofile} \
+				earlymodules=loop \
+				accessibility=on
+		initrd (loop)/arch/boot/intel-ucode.img \
+			   (loop)/arch/boot/amd-ucode.img \
+               (loop)/arch/boot/x86_64/initramfs-linux.img
 	}
 
 }
diff --git a/tpl/grml_grub.conf.j2 b/tpl/grml_grub.conf.j2
index e69de29..6ebcc99 100644
--- a/tpl/grml_grub.conf.j2
+++ b/tpl/grml_grub.conf.j2
@@ -0,0 +1,204 @@
+#!/bin/sh
+# TODO: other entries
+# Copy this file to /etc/grub.d/40_custom_grml with mode 0755 and run grub-mkconfig -o /boot/grub/grub.cfg
+exec tail -n +3 $0
+# GRML
+# Project: https://grml.org/
+# Details:
+# 			https://grml.org/docs/
+# 			http://grml.org/cheatcodes/
+submenu 'GRML' {
+
+	# Does this work?
+	load_video
+	insmod gzio
+	insmod part_gpt
+	insmod part_msdos
+	insmod ext2
+	insmod loopback
+	set gfxpayload=keep
+	search --no-floppy --fs-uuid {{ disk_uuid }} --set=root
+	set isofile='{{ iso_path }}'
+	set variant={{ variant }}
+	set ver={{ ver_str }}
+	set arch={{ arch }}
+	set bootid=grml${arch}${variant}${ver}
+	set imgdevpath="/dev/disk/by-uuid/{{ disk_uuid }}"
+
+	menuentry 'Default options' {
+		loopback loop (${root})/${isofile}
+		linux (loop)/boot/grml${arch}${variant}/vmlinuz \
+			apm=power-off \
+			boot=live \
+			live-media-path=/live/grml${arch}-${variant}/ \
+			bootid=${bootid} \
+			findiso=${isofile} \
+			nomce \
+			net.ifnames=0
+		initrd (loop)/boot/grml64small/initrd.img
+	}
+
+	menuentry 'Predictable network interface names' {
+		loopback loop (${root})/${isofile}
+		linux (loop)/boot/grml${arch}${variant}/vmlinuz \
+			apm=power-off \
+			boot=live \
+			live-media-path=/live/grml${arch}-${variant}/ \
+			bootid=${bootid} \
+			findiso=${isofile} \
+			nomce
+		initrd (loop)/boot/grml64small/initrd.img
+	}
+
+	menuentry 'Enable persistency' {
+		loopback loop (${root})/${isofile}
+		linux (loop)/boot/grml${arch}${variant}/vmlinuz \
+			apm=power-off \
+			boot=live \
+			live-media-path=/live/grml${arch}-${variant}/ \
+			bootid=${bootid} \
+			findiso=${isofile} \
+			nomce \
+			net.ifnames=0 \
+			persistence
+		initrd (loop)/boot/grml64small/initrd.img
+	}
+
+	menuentry 'Run from RAM' {
+		loopback loop (${root})/${isofile}
+		linux (loop)/boot/grml${arch}${variant}/vmlinuz \
+			apm=power-off \
+			boot=live \
+			live-media-path=/live/grml${arch}-${variant}/ \
+			bootid=${bootid} \
+			findiso=${isofile} \
+			nomce \
+			net.ifnames=0 \
+			toram=grml64-full.squashfs
+		initrd (loop)/boot/grml64small/initrd.img
+	}
+
+	menuentry 'Copy entire ISO to RAM' {
+		loopback loop (${root})/${isofile}
+		linux (loop)/boot/grml${arch}${variant}/vmlinuz \
+			apm=power-off \
+			boot=live \
+			live-media-path=/live/grml${arch}-${variant}/ \
+			bootid=${bootid} \
+			findiso=${isofile} \
+			nomce \
+			net.ifnames=0 \
+			toram
+		initrd (loop)/boot/grml64small/initrd.img
+	}
+
+	menuentry 'Start X' {
+		loopback loop (${root})/${isofile}
+		linux (loop)/boot/grml${arch}${variant}/vmlinuz \
+			apm=power-off \
+			boot=live \
+			live-media-path=/live/grml${arch}-${variant}/ \
+			bootid=${bootid} \
+			findiso=${isofile} \
+			nomce \
+			net.ifnames=0 \
+			startx
+		initrd (loop)/boot/grml64small/initrd.img
+	}
+
+	menuentry 'No framebuffer' {
+		loopback loop (${root})/${isofile}
+		linux (loop)/boot/grml${arch}${variant}/vmlinuz \
+			apm=power-off \
+			boot=live \
+			live-media-path=/live/grml${arch}-${variant}/ \
+			bootid=${bootid} \
+			findiso=${isofile} \
+			nomce \
+			net.ifnames=0 \
+			video=ofonly \
+			radeon.modeset=0 \
+			i915.modeset=0 \
+			nouveau.modeset=0 \
+			cirrus.modeset=0 \
+			mgag200.modeset=0 \
+			nomodeset
+		initrd (loop)/boot/grml64small/initrd.img
+	}
+
+	menuentry 'No kernel modeset' {
+		loopback loop (${root})/${isofile}
+		linux (loop)/boot/grml${arch}${variant}/vmlinuz \
+			apm=power-off \
+			boot=live \
+			live-media-path=/live/grml${arch}-${variant}/ \
+			bootid=${bootid} \
+			findiso=${isofile} \
+			nomce \
+			net.ifnames=0 \
+			radeon.modeset=0 \
+			i915.modeset=0 \
+			nouveau.modeset=0 \
+			cirrus.modeset=0 \
+			mgag200.modeset=0 \
+			nomodeset
+		initrd (loop)/boot/grml64small/initrd.img
+	}
+
+	menuentry 'Forensic mode' {
+		loopback loop (${root})/${isofile}
+		linux (loop)/boot/grml${arch}${variant}/vmlinuz \
+			apm=power-off \
+			boot=live \
+			live-media-path=/live/grml${arch}-${variant}/ \
+			bootid=${bootid} \
+			findiso=${isofile} \
+			nomce \
+			net.ifnames=0 \
+			read-only \
+			nofstab \
+			noraid \
+			nodmraid \
+			nolvm \
+			noautoconfig \
+			noswap \
+			raid=noautodetect
+		initrd (loop)/boot/grml64small/initrd.img
+	}
+
+	menuentry 'Debug mode' {
+		loopback loop (${root})/${isofile}
+		linux (loop)/boot/grml${arch}${variant}/vmlinuz \
+			apm=power-off \
+			boot=live \
+			live-media-path=/live/grml${arch}-${variant}/ \
+			bootid=${bootid} \
+			findiso=${isofile} \
+			nomce \
+			net.ifnames=0 \
+			initcall \
+			verbose \
+			debug=vc \
+			systemd.log_level=debug \
+			systemd.log_target=kmsg \
+			log_buf_len=1M
+		initrd (loop)/boot/grml64small/initrd.img
+	}
+
+	menuentry 'Serial mode' {
+		loopback loop (${root})/${isofile}
+		linux (loop)/boot/grml${arch}${variant}/vmlinuz \
+			apm=power-off \
+			boot=live \
+			live-media-path=/live/grml${arch}-${variant}/ \
+			bootid=${bootid} \
+			findiso=${isofile} \
+			nomce \
+			net.ifnames=0 \
+			video=vesafb:off \
+			console=tty1 \
+			console=ttyS0,9600n8
+		initrd (loop)/boot/grml64small/initrd.img
+	}
+
+}
diff --git a/tpl/sysresccd_grub.conf.j2 b/tpl/sysresccd_grub.conf.j2
index 37f36ca..43e27d9 100644
--- a/tpl/sysresccd_grub.conf.j2
+++ b/tpl/sysresccd_grub.conf.j2
@@ -19,8 +19,14 @@ submenu 'System Rescue CD' {
 		set isofile='{{ iso_path }}'
 		set imgdevpath="/dev/disk/by-uuid/{{ disk_uuid }}"
 		loopback loop (${root})/${isofile}
-		linux (loop)/sysresccd/boot/x86_64/vmlinuz archisobasedir=sysresccd img_dev=${imgdevpath} img_loop=${isofile} earlymodules=loop
-		initrd (loop)/sysresccd/boot/intel_ucode.img (loop)/sysresccd/boot/amd_ucode.img (loop)/sysresccd/boot/x86_64/sysresccd.img
+		linux (loop)/sysresccd/boot/x86_64/vmlinuz \
+			archisobasedir=sysresccd \
+			img_dev=${imgdevpath} \
+			img_loop=${isofile} \
+			earlymodules=loop
+		initrd (loop)/sysresccd/boot/intel_ucode.img \
+               (loop)/sysresccd/boot/amd_ucode.img \
+               (loop)/sysresccd/boot/x86_64/sysresccd.img
 	}
 
 	menuentry 'Run from RAM' {
@@ -34,8 +40,15 @@ submenu 'System Rescue CD' {
 		set isofile='{{ iso_path }}'
 		set imgdevpath="/dev/disk/by-uuid/{{ disk_uuid }}"
 		loopback loop (${root})/${isofile}
-		linux (loop)/sysresccd/boot/x86_64/vmlinuz archisobasedir=sysresccd img_dev=${imgdevpath} img_loop=${isofile} earlymodules=loop copytoram
-		initrd (loop)/sysresccd/boot/intel_ucode.img (loop)/sysresccd/boot/amd_ucode.img (loop)/sysresccd/boot/x86_64/sysresccd.img
+		linux (loop)/sysresccd/boot/x86_64/vmlinuz \
+				archisobasedir=sysresccd \
+				img_dev=${imgdevpath} \
+				img_loop=${isofile} \
+				earlymodules=loop \
+				copytoram
+		initrd (loop)/sysresccd/boot/intel_ucode.img \
+			   (loop)/sysresccd/boot/amd_ucode.img \
+			   (loop)/sysresccd/boot/x86_64/sysresccd.img
 	}
 
 	menuentry 'Confirm/verify checksum' {
@@ -49,8 +62,15 @@ submenu 'System Rescue CD' {
 		set isofile='{{ iso_path }}'
 		set imgdevpath="/dev/disk/by-uuid/{{ disk_uuid }}"
 		loopback loop (${root})/${isofile}
-		linux (loop)/sysresccd/boot/x86_64/vmlinuz archisobasedir=sysresccd img_dev=${imgdevpath} img_loop=${isofile} earlymodules=loop checksum
-		initrd (loop)/sysresccd/boot/intel_ucode.img (loop)/sysresccd/boot/amd_ucode.img (loop)/sysresccd/boot/x86_64/sysresccd.img
+		linux (loop)/sysresccd/boot/x86_64/vmlinuz \
+				archisobasedir=sysresccd \
+				img_dev=${imgdevpath} \
+				img_loop=${isofile} \
+				earlymodules=loop \
+				checksum
+		initrd (loop)/sysresccd/boot/intel_ucode.img \
+               (loop)/sysresccd/boot/amd_ucode.img \
+               (loop)/sysresccd/boot/x86_64/sysresccd.img
 	}
 
 	menuentry 'Use basic display drivers' {
@@ -64,8 +84,15 @@ submenu 'System Rescue CD' {
 		set isofile='{{ iso_path }}'
 		set imgdevpath="/dev/disk/by-uuid/{{ disk_uuid }}"
 		loopback loop (${root})/${isofile}
-		linux (loop)/sysresccd/boot/x86_64/vmlinuz archisobasedir=sysresccd img_dev=${imgdevpath} img_loop=${isofile} earlymodules=loop nomodeset
-		initrd (loop)/sysresccd/boot/intel_ucode.img (loop)/sysresccd/boot/amd_ucode.img (loop)/sysresccd/boot/x86_64/sysresccd.img
+		linux (loop)/sysresccd/boot/x86_64/vmlinuz \
+				archisobasedir=sysresccd \
+				img_dev=${imgdevpath} \
+				img_loop=${isofile} \
+				earlymodules=loop \
+				nomodeset
+		initrd (loop)/sysresccd/boot/intel_ucode.img \
+               (loop)/sysresccd/boot/amd_ucode.img \
+               (loop)/sysresccd/boot/x86_64/sysresccd.img
 	}
 
 	menuentry 'Find and boot a locally installed Linux' {
@@ -79,8 +106,15 @@ submenu 'System Rescue CD' {
 		set isofile='{{ iso_path }}'
 		set imgdevpath="/dev/disk/by-uuid/{{ disk_uuid }}"
 		loopback loop (${root})/${isofile}
-		linux (loop)/sysresccd/boot/x86_64/vmlinuz archisobasedir=sysresccd img_dev=${imgdevpath} img_loop=${isofile} earlymodules=loop findroot
-		initrd (loop)/sysresccd/boot/intel_ucode.img (loop)/sysresccd/boot/amd_ucode.img (loop)/sysresccd/boot/x86_64/sysresccd.img
+		linux (loop)/sysresccd/boot/x86_64/vmlinuz \
+				archisobasedir=sysresccd \
+				img_dev=${imgdevpath} \
+				img_loop=${isofile} \
+				earlymodules=loop \
+				findroot
+		initrd (loop)/sysresccd/boot/intel_ucode.img \
+               (loop)/sysresccd/boot/amd_ucode.img \
+               (loop)/sysresccd/boot/x86_64/sysresccd.img
 	}
 
 	menuentry 'Stop during boot before the root filesystem is mounted' {
@@ -94,8 +128,15 @@ submenu 'System Rescue CD' {
 		set isofile='{{ iso_path }}'
 		set imgdevpath="/dev/disk/by-uuid/{{ disk_uuid }}"
 		loopback loop (${root})/${isofile}
-		linux (loop)/sysresccd/boot/x86_64/vmlinuz archisobasedir=sysresccd img_dev=${imgdevpath} img_loop=${isofile} earlymodules=loop break
-		initrd (loop)/sysresccd/boot/intel_ucode.img (loop)/sysresccd/boot/amd_ucode.img (loop)/sysresccd/boot/x86_64/sysresccd.img
+		linux (loop)/sysresccd/boot/x86_64/vmlinuz \
+				archisobasedir=sysresccd \
+				img_dev=${imgdevpath} \
+				img_loop=${isofile} \
+				earlymodules=loop \
+				break
+		initrd (loop)/sysresccd/boot/intel_ucode.img \
+               (loop)/sysresccd/boot/amd_ucode.img \
+               (loop)/sysresccd/boot/x86_64/sysresccd.img
 	}
 
 }