diff --git a/mx-linux/mx-21.sh b/mx-linux/mx-21.sh
index f8b1fe2..85a6dd4 100644
--- a/mx-linux/mx-21.sh
+++ b/mx-linux/mx-21.sh
@@ -6,15 +6,15 @@ apt-get update $1
 echo 'deb http://ppa.launchpad.net/mkusb/ppa/ubuntu focal main' | sudo tee /etc/apt/sources.list.d/mkusb.list
 apt-key adv --keyserver keyserver.ubuntu.com --recv 54B8C8AC
 echo 'deb http://deb.debian.org/debian experimental main' | sudo tee /etc/apt/sources.list.d/experimental.list
-echo 'deb http://ppa.launchpad.net/stefansundin/truecrypt/ubuntu xenial main' | sudo tee /etc/apt/sources.list.d/truecrypt.list
+echo 'deb http://ppa.launchpad.net/stefansundin/truecrypt/ubuntu focal main' | sudo tee /etc/apt/sources.list.d/truecrypt.list
 apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 0xFFE1FFFFAFEC55BB
-echo 'deb http://ppa.launchpad.net/atareao/telegram/ubuntu xenial main' | sudo tee /etc/apt/sources.list.d/telegram.list
+echo 'deb http://ppa.launchpad.net/atareao/telegram/ubuntu focal main' | sudo tee /etc/apt/sources.list.d/telegram.list
 apt-key adv --keyserver keyserver.ubuntu.com --recv-keys A3D8A366869FE2DC5FFD79C36A9653F936FD5529
-echo 'deb http://ppa.launchpad.net/sebastian-stenzel/cryptomator/ubuntu xenial main' | sudo tee /etc/apt/sources.list.d/cryptomator.list
+echo 'deb http://ppa.launchpad.net/sebastian-stenzel/cryptomator/ubuntu focal main' | sudo tee /etc/apt/sources.list.d/cryptomator.list
 apt-key adv --keyserver keyserver.ubuntu.com --recv-keys CD045438B0D383A4039EA86F892C15CD130FEB9A
 #echo 'deb http://ppa.launchpad.net/inkscape.dev/stable/ubuntu xenial main' | sudo tee /etc/apt/sources.list.d/inkscape.list
 #apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 22C4850146603F3DB0ED00479DA4BD18B9A06DE3
-echo 'deb http://ftp.debian.org/debian buster-backports non-free contrib main' | sudo tee /etc/apt/sources.list.d/debian.list
+echo 'deb http://ftp.debian.org/debian bullseye-backports non-free contrib main' | sudo tee /etc/apt/sources.list.d/debian.list
 curl -s https://brave-browser-apt-release.s3.brave.com/brave-core.asc |  apt-key --keyring /etc/apt/trusted.gpg.d/brave-browser-release.gpg add -
 source /etc/os-release
 echo "deb [arch=amd64] https://brave-browser-apt-release.s3.brave.com/ buster main" | tee /etc/apt/sources.list.d/brave-browser-release-buster.list
@@ -86,13 +86,13 @@ wget http://ftp.de.debian.org/debian/pool/main/e/ecryptfs-utils/ecryptfs-utils_1
 wget http://ftp.de.debian.org/debian/pool/main/e/ecryptfs-utils/libecryptfs1_111-5_amd64.deb
 apt-get install $1 ./ecryptfs-utils_111-5_amd64.deb ./libecryptfs1_111-5_amd64.deb
 # wifi mac random address config
-cp ./30-randomize-mac-address.conf /etc/NetworkManager/conf.d
+# cp ./30-randomize-mac-address.conf /etc/NetworkManager/conf.d
 # baobab already installed in MX21
 apt-get -t experimental install $1 josm
 # qgis from ppa
 apt-get install $1 qgis qgis-plugin-grass qgis-server 
 #<-- nodejs
-curl -sL https://deb.nodesource.com/setup_14.x | bash -
+curl -sL https://deb.nodesource.com/setup_lts.x | bash -
 apt-get install $1 nodejs
 curl -sL https://dl.yarnpkg.com/debian/pubkey.gpg | gpg --dearmor | tee /usr/share/keyrings/yarnkey.gpg >/dev/null
 echo "deb [signed-by=/usr/share/keyrings/yarnkey.gpg] https://dl.yarnpkg.com/debian stable main" | tee /etc/apt/sources.list.d/yarn.list