OpenVPN 2.6 OPTIONS ERROR: failed to negotiate cipher with server. Add the server’s cipher (‘AES-256-CBC’) to –data-ciphers (currently ‘AES-256-GCM:AES-128-GCM:CHACHA20-POLY1305’) if you want to connect to this server.

Your OpenVPN config file is an old version, for OpenVPN >=2.6 you need to change cipher AES-256-CBC to data-ciphers AES-256-CBC in your client.conf If this is not possible, you can also try with the command line option –compat-mode 2.3.0 […]

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http://repo.mysql.com/apt/debian jessie InRelease NO_PUBKEY 8C718D3B5072E1F5

The Mysql repository does not support jessie anymore. Solution: change jessie to buster in your /etc/apt/sources.list.d/mysql.list, so it looks like this: deb [trusted=yes][signed-by=/usr/share/keyrings/mysql-apt-config.gpg] http://repo.mysql.com/apt/debian/ buster mysql-apt-configdeb [trusted=yes][signed-by=/usr/share/keyrings/mysql-apt-config.gpg] http://repo.mysql.com/apt/debian/ buster mysql-5.7deb [trusted=yes][signed-by=/usr/share/keyrings/mysql-apt-config.gpg] http://repo.mysql.com/apt/debian/ buster mysql-toolsdeb-src [trusted=yes][signed-by=/usr/share/keyrings/mysql-apt-config.gpg] http://repo.mysql.com/apt/debian/ buster mysql-5.7 […]

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The following signatures were invalid: KEYEXPIRED 1587841717 KEYEXPIRED 1668891673

Debian Jessie is expired. Update to a new OS. If you cannot do this, there is a workaround with the freexian LTS repo. wget https://deb.freexian.com/extended-lts/pool/main/f/freexian-archive-keyring/freexian-archive-keyring_2022.06.08_all.deb && sudo dpkg -i freexian-archive-keyring_2022.06.08_all.deb After this, comment out all your sources in /etc/apt/sources.list and only use: deb http://deb.freexian.com/extended-lts jessie main contrib non-free Then apt update && apt upgrade should […]

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The repository ‘http://ftp.debian.org/debian buster-backports Release’ no longer has a Release file

This error is due to an outdated debian repository. The backports repository moved from debian to debian archive. You need to change the URL to the repository. Solution for Debian buster: Find the old source with grep -r “stretch-backports” /etc/apt/ Sample output: /etc/apt/sources.list.d/backports.list:deb http://ftp.debian.org/debian stretch-backports main The first part is the file where the source […]

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E: The repository ‘https://packages.sury.org/php stretch Release’ does no longer have a Release file.

When updating your old Debian Stretch server, you experience the following error:E: The repository ‘https://packages.sury.org/php stretch Release’ does no longer have a Release file. Solution: Use a mirror of the old repository. echo “deb https://debian.octopuce.fr/snapshots/sury-php/stretch-latest/ stretch main” | sudo tee /etc/apt/sources.list.d/php.list wget -qO – https://debian.octopuce.fr/sury-php/apt.gpg | sudo apt-key add – sudo apt update Note: if […]

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Bitninja EXPKEYSIG 4AC1BB4C7F8B47DC or KEYEXPIRED 1684660916

When updating Bitninja on your Debian based server, you experience the errorGPG error: http://apt.bitninja.io/debian bitninja InRelease: The following signatures were invalid: EXPKEYSIG 4AC1BB4C7F8B47DC Heimdall.IO (Heimdall.IO Repository key) packaging@haimdall.io Solution: You can update your BitNinja GPG key with this command: apt-key adv –keyserver keyserver.ubuntu.com –recv-key 7F8B47DC After that, do an apt update && apt upgrade again. […]

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EXPKEYSIG 97BD1A0133449C3D

Aaaand another expired signature, this time from goaccess.io W: An error occurred during the signature verification. The repository is not up dated and the previous index files will be used. GPG error: https://deb.goaccess .io buster InRelease: The following signatures were invalid: EXPKEYSIG 97BD1A013 3449C3D Gerardo Orellana goaccess@prosoftcorp.comW: Failed to fetch https://deb.goaccess.io/dists/buster/InRelease The following signatures were […]

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EXPKEYSIG B188E2B695BD4743 DEB.SURY.ORG

While updating my Debian 10 Buster server, I experienced an invalid signature from deb.sury.org root@www112:~# apt updateHit:1 http://deb.debian.org/debian buster InReleaseHit:2 http://deb.debian.org/debian buster-updates InReleaseHit:3 http://security.debian.org buster/updates InReleaseHit:4 http://apt.bitninja.io/debian bitninja InReleaseGet:5 https://packages.sury.org/php buster InRelease [7,559 B]Get:6 https://packages.microsoft.com/ubuntu/18.04/mssql-server-2019 bionic InRel ease [3,630 B]Get:7 https://packages.microsoft.com/ubuntu/18.04/prod bionic InRelease [3,638 B ]Err:5 https://packages.sury.org/php buster InReleaseThe following signatures were invalid: EXPKEYSIG B188E2B695BD4743 […]

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