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Bei meiner ISPConfig Installation hatte ich das Problem das bei gewissen Domaine die Mails nicht ankammen und ein "Undelivered Mail Returned to Sender" erhalten habe. Im Text war neben Start und Ziel adresse auch...
Action: failed
Status: 5.4.4
Diagnostic-Code: X-Postfix; Host or domain name not found. Name service error
    for name=domain.com type=AAAA: Host found but no data record of requested type

 

 

Lösung war bei mir:

 

vi /etc/postfix/main.cf

den Eintrag
inet_protocols (default: all)

von all auf

inet_protocols = ipv4, ipv6

 

dies hat geholfen

 


quelle:
- postconf(5) man page -- inet_protocols (default: all)
- Postfix Mail Server command

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ISPConfig needed Ports

TCP ports

20 - FTP Data
21 - FTP Command
22 - SSH
25 - Email
53 - DNS/Bind
80 - HTTP (Webserver)
110 - POP3 (Email)
143 - Imap (Email)
443 - HTTPS (Secure webserver)
465 - SMTP over SSL
587 - Email Submission
993 - IMAPS (Secure Imap)
995 - POP3S (Secure POP§)
3306 - MySQL Database server
8080 - ISPConfig web interface
8081 - ISPConfig apps vhost

 

UDP ports

53 - DNS
3306 - MySQL

 


Source:
- ISPConfic Which ports are used on a ISPConfig 3 server and shall be open in the firewall? 
- Wikipedia List of TCP and UDP port numbers
- wikipedia Liste der standardisierten Ports

 

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KVM | openHAB installation basic Config on debian 9

set a fix IP
set a hostname

#   hostnamectl status
#   hostnamectl set-hostname openHab-01.kozo.ch

If add Icinga2 Icinga2 | add Icinga2 Client to a Master    
       
  #    apt install -y dirmngr    
  #    apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 0xB1998361219BD9C9    
  #    echo 'deb http://repos.azulsystems.com/debian stable main' > /etc/apt/sources.list.d/zulu.list    
  #    apt install -y zulu-8    
       
#   wget -qO - 'https://bintray.com/user/downloadSubjectPublicKey?username=openhab' | apt-key add -
#   apt install apt-transport-https
#    echo 'deb https://dl.bintray.com/openhab/apt-repo2 stable main' |  tee /etc/apt/sources.list.d/openhab2.list
  #   apt update    
  #   apt install openhab2    
  #   apt install openhab2-addons    
  #    systemctl start openhab2.service    
  #    systemctl status openhab2.service    
  #    systemctl daemon-reload    
  #    systemctl enable openhab2.service    
       
       
       
smb share #   apt-get install samba samba-common-bin   openhab doc link
  #   vi /etc/samba/smb.conf    
  #   chown -hR openhab:openhab /etc/openhab2    
       

 


Quellen/Source:
- www.openhab.org/docs/installation/
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KVM | for Photographer | Debian 9 | 

RAM:        1GB
HDD:        Minimum 10GB free (20GB or more preferred) 

 Desktop KDE
GIMP # apt install gimp 
# apt install gimp-dcraw gimp-ufraw
 RawTherapee #  apt install rawtherapee
     
DarkTable # apt install darktable  
     
LightZone # apt install lightzone  
     
Phatch   Stands for "photo" and "batch". Powerful, fast batch processing of folders of Images.
Exiftool   Useful for many tasks. i use it mostly for extracting embedded jpegs from raw files and stripping out exif data.
Hugin   Panorama software that produces excellent output. Also for aligning stacks of images etc. I've used it for stitching as many as 84 images to produce high-res murals for clients up to 7 x 25 feet in size.
DisplayCAL   For calibrating my displays with a Spyder.
Geeqie   I use it mostly for viewing and culling images, although it is capable of much more. It treats raw + jpeg as a pair so when you press "delete", both files are deleted together. It's also fast working with just raw files since it views the embedded jpeg rather than processing the raw data.
 digiKam    
Kdenlive    
Irfan View    
     
     
     
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Quellen/Source:
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- scribblesandsnaps.com/linux-tools-for-serious-photographers/
- Conky
- Manuelle_Installation_des_KDE-Desktops_aus_dem_Debian_Netinstall_ISO
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Roundcube ist eine freie Software für Webmail über IMAP, die in den Programmiersprachen PHP und JavaScript entwickelt wird. Roundcubes prominenteste Features sind die schlanke und moderne Benutzeroberfläche und die ausgeprägte Nutzung der Ajax-Technologie, die einen ähnlichen Bedien-Komfort wie bei einer lokal installierten Anwendung ermöglicht.

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