vm-syncthing-lin.physik.privat

Virtual machine hosted on our ESX-Server:

FQDN: vm-syncthing-lin.physik.privat
IP: 10.4.78.68
MAC: 00:95:79:f9:02:13

Access Syncthing GUI in Browser

ssh -l root vm-syncthing-lin -X firefox http://localhost:8384/#

Synced Folders

• /home/syncthing/syncthing-osx
  content is mounted by nfs from fs.physik.privat:/intern-storage/it/Master-Files/syncthing-osx

The synced folder syncthing-osx on vm-syncthing-lin is set to Send Only.
The synced folders on the client devices are set to Recieve Only.
This means that changes are only synced from vm-syncthing-osx top-down to the clients.

Show logs on vm-syncthing-lin

Log files for the syncthing service and the disovery services are availiable via systemd's journalctl:

journalctl -f -u syncthing-discosrv
journalctl -f -u syncthing@syncthing.service

IDs und URLs

Device ID: GD42MSP-F4LDLEK-WZLRDAN-VAKCLCA-CQG7VWI-LFFYS2S-6ACHZ6U-XTS55QZ
Server Device ID: CGEGPGG-CDYSKXM-2GJ66WV-TWI5QIB-Y556QOB-KLBD4YR-ZRQC4TT-WF2TDA2
Server URL: https://vm-syncthing-lin.physik.privat:8443/?id=CGEGPGG-CDYSKXM-2GJ66WV-TWI5QIB-Y556QOB-KLBD4YR-ZRQC4TT-WF2TDA2

• What happens if nfs share disappears from /home/syncthing/syncthing-osx
  Syncthing detects this case, because the folder .stfolder is missing and stops syncing files to the clients.
  So the files on the client devices will not be deleted.

Location: ceckmk WebInfterace

Setup | Hosts | ITGroup | + Add Host
  Group Name: ITGroup
  Host Type: Server
  boot type: virtual
  os-group: linux-hosts
  server type: applicationserver

Location: ltspmaster

DistAgent vm-syncthing-lin

aptitude install syncthing firefox

groupadd -g 44834 sw-it
groupadd -g 46202 syncthing
adduser -uid 46202 --gid 44834 syncthing

systemctl enable syncthing@syncthing.service
systemctl start syncthing@syncthing.service

aptitude install syncthing-discosrv

systemctl enable stdiscosrv.service
systemctl start stdiscosrv.service
 

Auto generated certificate and key files:

If no certificate and key is given, stdiscosrv automatically genereate cert.pem and key.pem in /var/lib/syncthing/discosrv/

if the certificate and key under /var/lib/syncthing/disosrv changes then the DEVICE ID of the discovery server changes also

aptitude install nfs-common

cat <<EOS >>/etc/fstab
fs.physik.privat:/intern-storage/it/Master-Files/syncthing-osx /home/syncthing/syncthing-osx      nfs     vers=4,defaults,nofail 0 0
EOS

mount /home/syncthing/syncthing-osx  

Location: VMWare Webconsole

Debian Bullseye Basisinstallation
  English, Germany, German
  vm-synchting-lin.physik.privat
  4GB Swap, 23GB root (ext4)    
  Software selection: only SSH server & standard system utilities

Location: Terminal

# SSH: enable root login
ssh -l install vm-syncthing-lin
  su - root
    sed -i '/PermitRootLogin.*/ a\PermitRootLogin yes' /etc/ssh/sshd_config
    systemctl restart sshd
    exit
  exit

# remove user: install
ssh -l root vm-syncthing-lin
  deluser --remove-all-files install

# enable login via ssh-key
mkdir -p /root/.ssh
scp root@ltspmaster.physik.privat:.ssh/authorized_keys /root/.ssh/


apt install aptitude

cat<< EOS >>/etc/apt/sources.list
deb http://ftp.uni-stuttgart.de/debian/ bullseye main
deb-src http://ftp.uni-stuttgart.de/debian/ bullseye main

# bullseye-updates, to get updates before a point release is made;
# see https://www.debian.org/doc/manuals/debian-reference/ch02.en.html#_updates_and_backports
# bullseye-updates, previously known as 'volatile'
deb http://ftp.uni-stuttgart.de/debian/ bullseye-updates main
deb-src http://ftp.uni-stuttgart.de/debian/ bullseye-updates main
EOS

aptitude install vim ufw rsync

ufw allow from 10.4.78.0/24
ufw allow from 10.5.77.0/24
ufw allow from 10.5.78.0/24
ufw allow from 10.5.81.0/24
ufw enable