it's easy when it's here http://wiki.grunwald.systems/ 2026-04-29T11:54:13+00:00 http://wiki.grunwald.systems/ http://wiki.grunwald.systems/_media/wiki/dokuwiki.svg text/html 2024-02-17T18:03:40+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.grunwald.systems/linux/verschluesselung/gpg_pgp?rev=1708193020&do=diff GPG/PGP Befehl zum Verschlüsseln von Textdateien gpg -ea -r [DATEINAME].txt schueler@ubuntu:~$ gpg --gen-key gpg (GnuPG) 1.4.11; Copyright (C) 2010 Free Software Foundation, Inc. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. gpg: Verzeichnis `/home/schueler/.gnupg' erzeugt gpg: Neue Konfigurationsdatei `/home/schueler/.gnupg/gpg.conf' erstellt gpg: WARNUNG: Optionen in `/home/schueler/.gnupg/gpg.conf' sind während… text/html 2026-04-08T12:08:18+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.grunwald.systems/linux/verschluesselung/openssl?rev=1775650098&do=diff OpenSSL Nützliche Befehle update-ca-certificates --fresh # CA-Zertifikate aktualisieren openssl x509 -in mail.example.com.pem -noout -text # Check contents of cert file openssl s_client -connect example.com:636 openssl s_client -connect mail.example.com:587 -starttls smtp # SMTP START-TLS Zertifikat überprüfen openssl s_client -connect mail.example.com:465 # SMTP SSL-Zerti…