If you want to install the latest tls to work :
First remove the tls-tcl (if installed)
sudo apt remove tcl-tls
For Ubuntu/Debian X64
wget http://archive.ubuntu.com/ubuntu/pool/universe/t/tcltls/tcl-tls_1.7.18-2_amd64.deb
For Ubuntu/Debian X86
wget http://archive.ubuntu.com/ubuntu/pool/universe/t/tcltls/tcl-tls_1.7.18-2_i386.deb
Then:
sudo dpkg -i <deb package>
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Other method :
If you receive the following error : Tcl error [corona:pub]: wrong # args: should be "tls::socket ?options? host port" it means that you dont have the latest tls package installed. If you dont want to install it try this following method.
cd /tmp
wget https://core.tcl-lang.org/tcltls/uv/tcltls-1.7.20.tar.gz
tar -xzf tcltls-1.7.20.tar.gz
cd tcltls-1.7.20
./configure
make (as root)
make install