Archive | December, 2022

Synology Tips

24 Dec

Docker
Prior to installing Docker, create a “docker” shared folder with data checksum disabled, as the Docker install will create a folder (if non-existent) with the checksum enabled, and this feature is not advised for virtual machines.

SABnzbd
Create a /downloads shared folder giving Read/Write access to Local Groups “users”, as this will allow the mapped docker volume to access the local volume:

Docker Sabnzbd can not access DSM 7 volume from synology

Create the following folder structure.

/downloads/usenet/complete
/downloads/usenet/incomplete
/downloads/usenet/nzb

Follow these instructions, though ignore the part about creating a separate user:
https://drfrankenstein.co.uk/2021/07/30/setting-up-sabnzbd-in-docker-on-a-synology-nas/
Allow an auto-assigned port and take note as this will be need to be changed later.
Don’t forget to set the environment variables, obtaining PUID and PGID from SSH into NAS and running “id”:

PUID 1026
PGID 100
TZ America/Chicago

After SABnzb installation, map the above folders in the config.
Speed up downloads by setting server SSL Ciphers to AES128.
Note auto-assigned port. Stop container and set it manually, then re-start.

Qbittorent
Create the following folder structure.

/downloads/torrents

Allow an auto-assigned port and take note as this will be need to be changed later.
Don’t forget to set the environment variables:

PUID 1026
PGID 100
TZ America/Chicago
WEBUI_PORT 8080

Per fix https://github.com/qbittorrent/qBittorrent/issues/8095#issuecomment-472740702
Add the following line to qBittorrent.conf

WebUI\HostHeaderValidation=false

Also modify address to match IP and port:

WebUI\Address=192.168.1.20:8080

Note auto-assigned port. Stop container and set it manually, then re-start.
Update router to forward port 6881 to NAS allowing both TCP and UDP.
Warning: the default username is “admin” and the default password is “adminadmin”

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Sceptre Tips

22 Dec

X300 MTU
Note that the USRP X300 has both 1G and 10G interfaces. Sceptre will find both IP during USRP configuration. Delete the IP for the 1G interface as UHD will query both and use the lower of the two MTU to set the frame size, possibly resulting in lower performance.

DVR RAM Disk
Using the DVR with high sample rates can chew through an SSD. Make a RAM filesystem and use that for the DVR. If the system has 128 GB RAM then 96 GB is appropriate for DVR use, which will give a 90 second DVR at 200 Msps.

Create a RAM disk in Linux



free -g
sudo mkdir /mnt/ramdisk
sudo mount -t tmpfs -o size=96G tmpfs /mnt/ramdisk
chmod 777 /mnt/ramdisk/
df -h /mnt/ramdisk/

Sceptre on Xubuntu

10 Dec

sudo apt-get install libqt5x11extras5

sudo apt-get install –reinstall libxcb-xinerama0

sudo apt-get install python2