在Kubuntu 17.10.1安装PeerGuardian失败求助：无法定位软件包

Hey there, let's break down your issue and get this sorted out—first off, that ARM architecture tip you heard is a red herring for your setup, so we can set that aside right away. Here's what's going on and how to fix it:

Why You're Seeing the Error #

Kubuntu 17.10.1 is an end-of-life (EOL) release, meaning official Ubuntu repositories no longer host packages for it—including PeerGuardian. That's why your apt commands can't find the package. Also, PeerGuardian has fully supported builds for x86/amd64 (your architecture), so ARM components have nothing to do with your problem.

Step-by-Step Solutions #

1. Confirm Your System Architecture (Just to Be Sure) #

First, double-check you're on x86/amd64 to rule out any confusion:

dpkg --print-architecture

If the output is amd64 or i386, you're good—no ARM stuff needed here.

2. Try the PeerGuardian PPA (Old, But Worth a Shot) #

Some third-party PPAs might still host packages for EOL releases. Give this a try:

# Add the PeerGuardian PPA
sudo add-apt-repository ppa:peerguardian/ppa
# Update your package lists
sudo apt update
# Attempt installation
sudo apt install peerguardian

If the PPA is no longer maintained, you'll get another error—move on to the next step.

3. Manually Install the DEB Package #

You can download the pre-built DEB file for your architecture from old package archives:

1. Find an amd64/i386 build of PeerGuardian (look for versions compatible with Ubuntu 17.10, like 2.0.rc1-6).
2. Download the .deb file to your system.
3. Install it with dpkg, then fix any missing dependencies:

# Install the downloaded package
sudo dpkg -i peerguardian_*.deb
# Fix dependency issues
sudo apt -f install

4. Upgrade Your System (Recommended Long-Term Fix) #

Kubuntu 17.10 is way past its support window—this means no security updates, and more packages will disappear over time. The most reliable solution is:

• Upgrade to a supported Kubuntu LTS release (like 22.04 LTS, which gets 5 years of support).
• Once upgraded, use a modern alternative to PeerGuardian if needed—tools like pfblockerng or ipset with curated blocklists offer similar functionality and better stability.

内容的提问来源于stack exchange，提问作者Grey