diff --git a/files/known_hosts b/files/known_hosts
index 8bc0c0b..d3b78f7 100644
--- a/files/known_hosts
+++ b/files/known_hosts
@@ -1,4 +1,5 @@
-sputnik,sputnik.htu.tuwien.ac.at,128.131.95.206 ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEA4Nj/FF5NOYdoYbIGo0vqNuyFw6bvNE70lPQWoQiRyj9Gp8Imovw87cN1CtP1OOaESW+6bLi0TXZnCxaVn5zOYLBap7m/iLUDjzuOM0suogr8sGPvc4JUGNg4ofLvGTUkJELwxYtg38aG2fG8Gklh96txoR70RjncWPtQR/yXkZs=
+sputnik-alt ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEA4Nj/FF5NOYdoYbIGo0vqNuyFw6bvNE70lPQWoQiRyj9Gp8Imovw87cN1CtP1OOaESW+6bLi0TXZnCxaVn5zOYLBap7m/iLUDjzuOM0suogr8sGPvc4JUGNg4ofLvGTUkJELwxYtg38aG2fG8Gklh96txoR70RjncWPtQR/yXkZs=
+sputnik,sputnik.htu.tuwien.ac.at,128.131.95.206 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKsAUsuE1NKjoRbmo4WvhMWIaJCe80Ml7tjNYs6o32Ce
 atlas ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCsY/JwHRX6YH0WSbp6+xpoZmuQOGDaEsQX7gmad0y4Qv2Sk4MXvvD9vqWGz7qX7YDAskbrCgptX/tRTXoiaVlH635bpkWaevfVcY+DF7JgsrVzayfit5sxG6c8N1qCgXX6GlOQnwRgkHUgBCmkEOtJXvgv5AwUL3B+8fhtqbgMB1aHXbZ0Wbo8AnUgwt9Jti/Nlegd03uY6NT8fk9JaD6MF1eg45ggdvyin621xoWu1wmJu9+wZJFJ7lxKYH49d+6rQlbVwTNLFWxMaIM18OIK5ON/py//Zxa2smyvntZf584nRCvqhU3FYMfY9BZJRVb+3slS+W08Rb9c6OZgiAnh
 energija.htu.tuwien.ac.at ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCtdPzzRuNzviDe3TZRJiwtM3GGNg6srpSqfvV+DlHxoc4cRezJaKHCBgmDE8kLfRSPy7HHCwHwqYH4N7XaWqsWPfaqeWUhRvBk3eJPjxe1WOouXwbkm0uDh7suttktIH97Go0h2E381LA9OOBq2gPLlK+Hb7GznyR+AdCz/QKfE5wBftMoRdKUKljxL8Y+6HBhs+LU6+a/6w3qQzEBvG361CDYniZOoqJkPwPQo2HuFYmnns9R4wsOZtu/rPCkqjmrcqVDqx3ZLPsOYMGEVPNBxz7HtsZdfEIn57epkKUFVQsfJnbE2wXOXz+sU1+FuU8r4FwNs4+cUzSbKrcXSjKd
 buran.htu.tuwien.ac.at ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAxnFUOmrCRrdqHexJ1qwkpw8zMMVYNpqmoaNKsF2zr9Gew2C7uUZ89x2Sw9DYaYeho6j+Djz5G1zCh5FLHjpdzOglxmzIMU2b/2Qt/rNjdWoHq9x40TrFfKKmFqNsq0xopCBXP2m/XC36NLPrdHABR074KGCHcUmy/0nG1zEwBDjelcyZEKQsvDCW4eDFy2F9Iyn1hciJvrdpYVM4iNu/L7aUzmEiqXgyzUv4BCDThJkjSF/DYpOapmhBJfF0hKFMcb+7BQDLfFRhXvR1HRn7jgdNPAG7d2AM8par+vZPPjYtk6o8IkkY3JE8tvBbhAMZcApkIP4KNh2E6rOm5xfauQ==
@@ -16,11 +17,10 @@ proton ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPyMWnOX5sh+Ed4LN8SQnR9yqMZSh85/vcRTJ
 suchoi ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIG8O6Auv5EGOdInx6/sWOVf4F59xLgOS+zRmcWijQPYU
 lunik ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOPHzLhgQv9wAZAt8OeVnwux3/BzVUGhGyp7gqojLh/L
 triton ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGL7dK6BkWeooubjJTaBTrKvu6z1scbFBFLkNebNM+LB
-ariane ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICLKqNwsw3yBDVJFIvssJWqhD0E03z9FnrNhcBLIdklJ
+ariane,ariane.htu.tuwien.ac.at ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICLKqNwsw3yBDVJFIvssJWqhD0E03z9FnrNhcBLIdklJ
 betam ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBzHwHrZi5Ie76vNeU3hjRbSkZDXI3q5SUStF0LoaXUW
-zyklon ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICpak1+TDDf2ZY1Idj4PYsnwnYEoc6eaeAc0c/TUyn4e
-proteus ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICXnvMcttdvdUcQohIZhJ0CVK+Ii6LJJXWt3V8N5hAq3
-laika ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMWJBqIuaFK2oDHOEiQZvZZbM8l3o31vQ/ecT8Vjlypz
+zyklon ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEa9zmKTqfNVOAFYjDK3n/D3Vr7tgZ2Zp8GCzfayEwUJ
+laika ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGqFOv36AkorOMis15K9V9z+NZQWSxywYYIKcDzpNM4q
 lxc-pet-01 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILtD59+Py1juHugC0aImmgD66FWEYoSOrKyXzC/mfLsP
 progress ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGwN2pM8aT5jlz0eP/S1ORJIs5tJqn9G/8KDRDWQlyIa
 fetlabserv.htu.tuwien.ac.at,128.131.95.223,[128.131.95.223]:3389 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJqlbbDfhLhON/tICxTvD1byEx4KvC5p1YDkxjzOf5ZK
@@ -28,3 +28,4 @@ baroness ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIrkQpTccGwD7w0YB3CG4K0tpzEgt7iV5hp
 sojus ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINacgRVUb22fkXYKP3XQRA/sBCO2A6Gy9fL2873E+o06
 nauka ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC8le4puXhJ5EpMpRnwzC16DFMDov0hx/CJqc0ZpmsV+UwQk84RcSzYZt1aVh4VxxIOQf5e0NHWLL3WF6gyZO/mqAx2Z4SNnUCYDtW6QWRctysj37hr0GgjfbZ+JSv06R3kyEjr/FLwFtaFFhCrf0+///YQWEL/iOzreaI7an/lml/5pme0HivL05XxvolG7eboxWRnZanFV+F+uhiW3SGGXUKcHNR7S46bOvZODLvbcmgRNPNWAeQOI5/9fQsYr19HMekewkLR8HZjm6U2jHyvjXY8wY0cmqqWIiwGAuGj4HLyZf2DG2S4Seoj0nQswDnffrgGPN9n2jQZMAGHxuOZ
 wlan ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgwCxW4E7SENd3JQvvJrmgGb9jeay940H8oW2Kz1wc7Fvtzl9SuISXrJVBaOHv+mD7KC2z00h4LfQ6JGkwZMOQTbEXhFPY+ztadlSN74ah7qJDrc/PZVf4+SQ3iixWF1Cm8r2UVkMfIAzoLxc2TDRijYegF4dtWBRp0AvST2bHzJXZyO5
+proteus ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICXnvMcttdvdUcQohIZhJ0CVK+Ii6LJJXWt3V8N5hAq3