Installing libssl1.1 on Ubuntu 24.04

Installing libssl1.1 on Ubuntu 24.04

 If you get error while loading shared libraries: libcrypto.so.1.1: cannot open shared object file: No such file or directory error while installing GZ On-Premises in Isolated environment then follow below the steps.

Ubuntu 24.04 ships with OpenSSL 3.x, and libssl1.1 (OpenSSL 1.1) is no longer available in its
 default repositories. However, it can still be installed by temporarily enabling the Ubuntu 20.04
 (Focal) security repository.

Connect your machine to the internet (Temporary)

# 1. Add temporary repo (Ubuntu 20.04 focal-security)
echo "deb http://security.ubuntu.com/ubuntu focal-security main" | sudo tee /etc/apt/sources.list.d/temp-libssl.list

# 2. Update package list
sudo apt update -y

# 3. Install libssl1.1
sudo apt install -y libssl1.1

# 4. Remove temporary repo
sudo rm /etc/apt/sources.list.d/temp-libssl.list

# 5. Refresh package list
sudo apt update -y

# 6. Verify installation
ldconfig -p | grep libcrypto.so.1.1

Remove the internet and DNS

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