‘PEM_read_bio_RSAPrivateKey’ is deprecated: Since OpenSSL 3.0 khi cài guacamole ở ubuntu 22

wget https://www.openssl.org/source/openssl-1.1.1l.tar.gz -P ~
sudo tar -xzf openssl-1.1.1l.tar.gz
cd ~/openssl-1.1.1l
./config
make
sudo make install
sudo cp /usr/local/bin/openssl /usr/bin
sudo ldconfig

Kiểm tra lại

$ openssl version
OpenSSL 1.1.1l  15 Mar 2022