diff --git a/electrs/4_electrum_install.sh b/electrs/4_electrum_install.sh
index c231a5a..5635790 100644
--- a/electrs/4_electrum_install.sh
+++ b/electrs/4_electrum_install.sh
@@ -1,5 +1,5 @@
 # Download and run this script to the Linux desktop:
-# $ wget https://gist.github.com/openoms/8d365f330f5e1288933e0f4874b56dbd/raw/2cf47bf5cc629e861540f4dd5fa525fd157fc341/4_electrum_install && bash 4_electrum_install.sh
+# $ wget https://raw.githubusercontent.com/openoms/bitcoin-tutorials/master/electrs/4_electrum_install && bash 4_electrum_install.sh
 
 # https://electrum.org/#download
 # Install dependencies: 	
diff --git a/lnd.update.sh b/lnd.update.sh
new file mode 100644
index 0000000..0142103
--- /dev/null
+++ b/lnd.update.sh
@@ -0,0 +1,99 @@
+# LND Update Script
+
+# Download and run this script to the Linux desktop:
+# $ wget https://gist.github.com/openoms/8d365f330f5e1288933e0f4874b56dbd/raw/2cf47bf5cc629e861540f4dd5fa525fd157fc341/4_electrum_install && bash 4_electrum_install.sh
+
+
+## based on https://github.com/Stadicus/guides/blob/master/raspibolt/raspibolt_40_lnd.md#lightning-lnd
+## see LND releases: https://github.com/lightningnetwork/lnd/releases
+
+lndVersion="0.6.1-beta-rc2"
+
+if [ ${isARM} -eq 1 ] ; then
+  lndOSversion="armv7"
+  lndSHA256="acaed77436ea210164553ac9e11b87c92ed918f10b6a5e54f96c01ca0b93fe24"
+fi
+if [ ${isAARCH64} -eq 1 ] ; then
+  lndOSversion="arm64"
+  lndSHA256="ce3e3ce3df6d5d98a78c776a06fa9a2cc5826f4ad6579bc36de4b6d634495efa"
+fi
+if [ ${isX86_64} -eq 1 ] ; then
+  lndOSversion="amd64"
+  lndSHA256="860a5d0a56c1ec9eef33a5f29c20013221b95298468825a1b7793d13320cba70"
+fi 
+
+echo "Check if Linux base ..." 
+isARM=$(uname -m | grep -c 'arm')
+isAARCH64=$(uname -m | grep -c 'aarch64')
+isX86_64=$(uname -m | grep -c 'x86_64')
+if [ ${isARM} -eq 0 ] && [ ${isAARCH64} -eq 0 ] && [ ${isX86_64} -eq 0 ] ; then
+  echo "!!! FAIL !!!"
+  echo "Can only build on ARM, aarch64 or x86_64 not on:"
+  uname -m
+  exit 1
+else
+ echo "OK running on $(uname -m) architecture."
+fi
+
+echo ""
+echo "*** LND v${bitcoinVersion} for ${bitcoinOSversion} ***"
+
+# olaoluwa
+PGPpkeys="https://keybase.io/roasbeef/pgp_keys.asc"
+PGPcheck="BD599672C804AF2770869A048B80CD2BB8BD8132"
+# bitconner 
+#PGPpkeys="https://keybase.io/bitconner/pgp_keys.asc"
+#PGPcheck="9C8D61868A7C492003B2744EE7D737B67FA592C7"
+
+# get LND resources
+cd /home/admin/download
+binaryName="lnd-linux-${lndOSversion}-v${lndVersion}.tar.gz"
+sudo -u admin wget https://github.com/lightningnetwork/lnd/releases/download/v${lndVersion}/${binaryName}
+sudo -u admin wget https://github.com/lightningnetwork/lnd/releases/download/v${lndVersion}/manifest-v${lndVersion}.txt
+sudo -u admin wget https://github.com/lightningnetwork/lnd/releases/download/v${lndVersion}/manifest-v${lndVersion}.txt.sig
+sudo -u admin wget -O /home/admin/download/pgp_keys.asc ${PGPpkeys}
+
+# check binary is was not manipulated (checksum test)
+binaryChecksum=$(sha256sum ${binaryName} | cut -d " " -f1)
+if [ "${binaryChecksum}" != "${lndSHA256}" ]; then
+  echo "!!! FAIL !!! Downloaded LND BINARY not matching SHA256 checksum: ${lndSHA256}"
+  exit 1
+fi
+
+# check gpg finger print
+gpg ./pgp_keys.asc
+fingerprint=$(sudo gpg /home/admin/download/pgp_keys.asc 2>/dev/null | grep "${PGPcheck}" -c)
+if [ ${fingerprint} -lt 1 ]; then
+  echo ""
+  echo "!!! BUILD WARNING --> LND PGP author not as expected"
+  echo "Should contain PGP: ${PGPcheck}"
+  echo "PRESS ENTER to TAKE THE RISK if you think all is OK"
+  read key
+fi
+gpg --import ./pgp_keys.asc
+sleep 3
+verifyResult=$(gpg --verify manifest-v${lndVersion}.txt.sig 2>&1)
+goodSignature=$(echo ${verifyResult} | grep 'Good signature' -c)
+echo "goodSignature(${goodSignature})"
+correctKey=$(echo ${verifyResult} | tr -d " \t\n\r" | grep "${olaoluwaPGP}" -c)
+echo "correctKey(${correctKey})"
+if [ ${correctKey} -lt 1 ] || [ ${goodSignature} -lt 1 ]; then
+  echo ""
+  echo "!!! BUILD FAILED --> LND PGP Verify not OK / signatute(${goodSignature}) verify(${correctKey})"
+  exit 1
+fi
+
+sudo systemctl stop lnd
+
+# install
+sudo -u admin tar -xzf ${binaryName}
+sudo install -m 0755 -o root -g root -t /usr/local/bin lnd-linux-${lndOSversion}-v${lndVersion}/*
+sleep 3
+installed=$(sudo -u admin lnd --version)
+if [ ${#installed} -eq 0 ]; then
+  echo ""
+  echo "!!! BUILD FAILED --> Was not able to install LND"
+  exit 1
+fi
+
+sudo systemctl restart lnd
\ No newline at end of file