Kali Linux New Error After Update – Causes & Complete Fix Guide
Introduction
Recently, many Kali Linux users have started facing a new error after updating or upgrading Kali Linux. This issue mostly appears after running system update commands or installing new tools. In this blog, we will explain what the error is, why it happens, and how to fix it step by step in a beginner‑friendly way.
This guide is useful for ethical hackers, cybersecurity students, and Kali Linux beginners.
Common New Kali Linux Error
After running:
sudo apt update && sudo apt full-upgrade -y
Users may see errors like:
E: Failed to fetch
E: Repository 'http://http.kali.org/kali kali-rolling InRelease' changed its 'Suite' value
E: Sub-process /usr/bin/dpkg returned an error code (1)
OR
Hash Sum mismatch
File has unexpected size
OR
kali-rolling repository not signed
Why This Error Happens
This error usually occurs due to one or more of the following reasons:
Kali Linux repository changes
Broken or outdated sources list
Interrupted system update
Corrupted package cache
Using old Kali ISO with new repositories
Network/DNS issues
Kali Linux is a rolling release, so repository changes are frequent.
Step‑by‑Step Fix (100% Working)
Step 1: Check Internet Connection
ping google.com
If there is no response, fix your network first.
Step 2: Backup Sources List
sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup
Step 3: Fix Kali Repository (Most Important Step)
Open sources list:
sudo nano /etc/apt/sources.list
Delete everything and paste this:
deb http://http.kali.org/kali kali-rolling main contrib non-free non-free-firmware
Save using:
Step 4: Clean Broken Cache
sudo apt clean
sudo apt autoclean
sudo rm -rf /var/lib/apt/lists/*
Step 5: Update & Fix Broken Packages
sudo apt update --allow-releaseinfo-change
sudo apt --fix-broken install
sudo dpkg --configure -a
Step 6: Full System Upgrade
sudo apt full-upgrade -y
Reboot your system:
sudo reboot
If Error Still Exists (Advanced Fix)
Fix GPG Key Issue
sudo apt install kali-archive-keyring -y
Then:
sudo apt update
Recommended Best Practices
Always use official Kali ISO
Avoid mixing Debian & Ubuntu repos
Update Kali weekly, not daily
Never interrupt upgrade process
Use:
sudo apt full-upgrade
Instead of:
sudo apt upgrade
Who Faces This Error Most?
Conclusion
Kali Linux update errors are common due to its rolling nature, but they are easy to fix if you follow the correct steps. By fixing the repository and cleaning broken packages, your Kali system will work smoothly again.
If this guide helped you, share it with other ethical hacking learners.
Keywords for SEO
Kali Linux new error fix
Kali Linux update error solution
Kali Linux repository problem
Kali Linux apt error fix
Kali Linux rolling release issue
Author: RedMark
Category: Kali Linux / Ethical Hacking
Level: Beginner to Intermediate
Comments
Post a Comment