Pfsense: Dualstack IPv6 + IPv4 with DSL over PPPoE

PfSense Dualstack IPv6 + IPv4 with DSL over PPPoE Interfaces -> WAN IPv4 Configuration Type: PPPoE IPv6 Configuration Type: DHCP6 DHCP6 Client Configuration DHCPv6 Prefix Delegation size: 64 Request a IPv6 prefix/information through the IPv4 connectivity link Send an IPv6 prefix hint to indicate the desired prefix size for delegation PPPoE Configuration Username: xyz Password: xyz PfSense: Dualstack IPv6 + IPv4 mit pfSense an DSL
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Postfix

Steps to configure postfix as a Satellite System with smarthost. Inspired by ubuntuusers.de. Configure apt-get install postfix dpkg-reconfigure postfix Configure to catch all e-mails to root: vi /etc/aliases user1: root root: me@domain.tld Generate db: newaliases Configure postfix for smarthost config: vi /etc/postfix/main.cf # TLS parameters smtpd_tls_cert_file=/etc/letsencrypt/live/domain.tld/chain.pem smtpd_tls_key_file=/etc/letsencrypt/live/domain.tld/privkey.pem relayhost = smtp.domain.tld smtp_sasl_auth_enable = yes smtp_sasl_security_options = noanonymous smtp_sasl_password_maps = hash:/etc/postfix/sasl_password smtp_tls_security_level = encrypt touch /etc/postfix/sasl_password chgrp postfix /etc/postfix/sasl_password chmod 640 /etc/postfix/sasl_password echo "smtp.
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Helpful linux hints

Zitate “Mutt was developed with the concept of one task per tool, enabling performance through combination with other high quality modular programs. This is an aspect of the unix philosophy” mutt.org A Markdown-formatted document should be publishable as-is, as plain text, without looking like it’s been marked up with tags or formatting instructions. – John Gruber Wie konvertiere ich flash videos nach mp3 audio? mplayer -dumpaudio file.
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mail / sSMTP

Manpage: ssmtp is a send-only sendmail emulator for machines which normally pick their mail up from a centralized mailhub (via pop, imap, nfs mounts or other means). It provides the functionality required for humans and programs to send mail via the standard or /usr/bin/mail user agents. Konfiguration gemäss: apt-get install ssmtp vi /etc/ssmtp/ssmtp.conf # The person who gets all mail for userids < 1000 root=myname # Where will the mail seem to come from?
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How to test ssh network performance

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