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How do you fix apt-get update hash sum mismatch?
Users typically “fix” this issue by running apt-get clean and manually cleaning the APT directory /var/lib/apt/lists/ (which is not cleaned by apt-get clean ). The real solution is to take advantage of a new feature of APT repositories: Acquire-by-hash .
How to fix hash sum mismatch ubuntu?
How do you fix apt-get update “Hash Sum mismatch”
- solution suggested here: sudo rm -rf /var/lib/apt/lists/* sudo apt-get update. sudo apt-get clean.
- Removed and readded the puppet labs packages.
How do you fix a hash mismatch?
In most cases the problem can be solved just by updating Hunter to latest version and using latest packages version in case you have saved non-default versions in LOCAL . There will be no automatic update of hashes introduced since it affects binary cache, hence all the packages should be re-uploaded.
What does hash mismatch mean?
Hash Mismatch usually means that the Pre-Shared Key (PSK) being used is wrong. When you get the “Hash Mismatch” error, the Hash algorithm is being rejected. If the Hashing algorithm chosen is actually wrong, then you would receive an error that would say “No Proposal Chosen” rather than a “Hash Mismatch” error.
What is hash error?
Hash errors are nothing more than system errors that alert the user that there is a problem with the inner workings of the computer system. A hash error generally means that there is something preventing the computer from understanding what is being asked of it. A virus or computer infection.
Why do I get a hash sum mismatch error?
First, you should understand why hash sum mismatch errors occur. In general, there are 2 reasons: Firstly, Some apt repositories use LZMA (.xz) compressed metadata. apt before version 1.0 fails to decompressed LZMA archives correctly (sometimes) giving the hash sum mismatch error.
Is there apt-get update mismatch in Ubuntu 12.04?
I have an Ubuntu 12.04 virtual box vm that I instantiate using Vagrant. As soon as the vagrant box runs apt-get update, I get the following error.
Why does my apt get update not update?
Secondly, APT repositories are inherently racy. The actual APT metadata is buggy and the design of it makes it impossible for apt clients to download the repository metadata in a consistent way if the apt-get update happens while the repository is being updated.
When does apt-trouble downloading packages list work?
It will work if a) you are using a PPA or local mirrors or b) have just a single mismatch to resolve. Note: if you have the specific error message given in the log in the question above, the accepted answer should always work.