/media/sda-magnetic/david/Extern-Magnetic-2022-06-29/Extern01/Dokumente-2020-11-16/disk10-ab-2020-01-10/02-debian-pc2-work/informatik/bash-programming/lex-yacc-bash-etc/all00034.txt

# client
# sender
# recipient
# relay

smtpd_client_restrictions=
smtpd_sender_restrictions=
smtpd_recipient_restrictions=
smtpd_relay_restrictions=
smtpd_data_restrictions=
smtpd_end_of_data_retrictions=
smtpd_etrn_restrictions=
smtpd_helo_restrictions=

mynetworks=
myhostname=
smtpd_helo_required=yes

# permit_my_networks
# check_policy_service

# unknown
# reject_unknown_client
# reject_unknown_client_hostname
# reject_unknown_reverse_client_hostname
# reject_unknown_helo_hostname
# reject_unknown_hostname
# reject_unknown_sender_domain
# reject_unknown_recipient_domain 

# hostname 
# reject_unknown_client_hostname
# reject_unknown_reverse_client_hostname
# reject_unknown_hostname
# reject_invalid_hostname
# reject_non_fqdn_hostname
# reject_unknown_helo_hostname

# non_fqdn 
# reject_non_fqdn_hostname
# reject_non_fqdn_sender
# reject_non_fqdn_recipient

# sender
# reject_non_fqdn_sender
# reject_unknown_sender_domain

# recipient
# reject_non_fqdn_recipient
# reject_unknown_recipient_domain

# unauth
# reject_unauth_pipelining
# reject_unauth_destination

a CAPABILITY
a LOGIN "user" "password"
a LIST "" *
a SELECT INBOX
a FETCH 1 RFC822
a STORE 1 +FLAGS (\Seen \Deleted)
a CLOSE
a EXPUNGE
a SEARCH
a LOGOUT

HELO/EHLO
MAIL
DATA 
RST
VRFY
EXPN
NOOP
QUIT

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/etc/dovecot/docecot.conf
/etc/dovecot/conf.d/...
/etc/dovecot/conf.d/10-...conf
/etc/dovecot/conf.d/15-...conf
/etc/dovecot/conf.d/20-...conf
/etc/dovecot/conf.d/90-...conf
/etc/dovecot/conf.d/auth-...conf
/etc/dovecot/conf.d/10-mail.conf
/etc/dovecot/conf.d/10-master.conf
/etc/dovecot/conf.d/10-director.conf
/etc/dovecot/conf.d/10-logging.conf
/etc/dovecot/conf.d/10-tcpwrapper.conf
/etc/dovecot/conf.d/10-ssl.conf
/etc/dovecot/conf.d/10-auth.conf
/etc/dovecot/conf.d/20-pop3.conf
/etc/dovecot/conf.d/20-imap.conf

/etc/drbd.d/drbd.res 

ressource r0 {
  ...
  on ituenix.de {
     disk /dev/loop1;
     adress 192.168.178.28:1111;
  }
}

dd if=/dev/zero of=drbd.img bs=1024 count=1024k
losetup /dev/loop1 drbd.img

modprobe drbd
drbdadm up r0
cat /proc/drbd

drbdadm -- --overwrite-data-of-peer r0

/etc/ha.d/authentification
/etc/ha.d/ha.cf
/etc/ha.d/haressources

auth1 
1 md5 password

node ituenix1 ituenix2

ucast eth0 192.168.178.28
ucast eth0 192.168.178.37

ping 192.168.178.1

log /var/log/halog
debug /var/log/hadebug

192.168.178.27 apache2

useradd
userdel
usermod
newgrp
groupdadd
groupdel
groupmod
chsh
chfn
id
passwd

mv
mmv
cp
mkdir
cd
rm
rmdir
unlink
touch
dirname
basename

info
man

md5sum
lsof
lsblk
blkid
dd
mount/umount

cat
cut

diff
comm

pwd

shred
sort
split

echo
exit

paste
rename

less
head
more
tail

nice
renice
pidof
pgrep

tree
grep
tre-agrep
locatedb
update

schedutils
at
crontab

chmod
chown
chgrp
chattr

./skript.sh
/bin/bash ./skript.sh
bash skript.sh

#!/bin/bash

echo "Ausgabe"
# Kommentar

var1=Hallo
var2=Welt

echo $var1
echo $var1

if [ $var1 == $var2 ]
then 
    echo $var1
else
    echo $var2
fi

while [ $var1 == $var2 ]
do
    echo $var1
done

for var3 in "A " "B " "C "
do
    echo $var3
done

typeset -i i=5
i=$(( 4 ))
i=$(( 4+4 ))

while [ $i -le 50 ]
do 
    echo $i
    i=$(( $i+1 ))
done