# \#linux **URL:** https://casparcgforum.org/tag/linux/34.md [Latest](https://casparcgforum.org/latest.md) · [Categories](https://casparcgforum.org/categories.md) · [Tags](https://casparcgforum.org/tags.md) --- ## [Transport endpoint](https://casparcgforum.org/t/transport-endpoint/7636)
**Author:** [@MarceloCarvalho](https://casparcgforum.org/u/MarceloCarvalho)\ **Replies:** 4\ **Last updated:** [November 2, 2026, 5:05pm UTC](https://casparcgforum.org/t/transport-endpoint/7636 "2026-11-02T17:05:28Z")
Good morning, I would like to know whether there are any plans to address this error or an existing issue or discussion thread tracking it. Whenever this error occurs, CasparCG stops receiving commands via AMCP. Would … --- ## [Audio issue](https://casparcgforum.org/t/audio-issue/7629)
**Author:** [@MarceloCarvalho](https://casparcgforum.org/u/MarceloCarvalho)\ **Replies:** 5\ **Last updated:** [October 19, 2026, 12:19pm UTC](https://casparcgforum.org/t/audio-issue/7629 "2026-10-19T12:19:28Z")
I have two CasparCG machines running in production with the following configuration: Ubuntu 22.04 CasparCG 2.4.3 DeckLink driver version 15 These machines ran for eight months without any issues. Now, roughly every ot… --- ## [CasparCG Server 2.5.0 HDR support](https://casparcgforum.org/t/casparcg-server-2-5-0-hdr-support/7522)
**Author:** [@aollaku](https://casparcgforum.org/u/aollaku)\ **Replies:** 5\ **Last updated:** [March 24, 2026, 12:03pm UTC](https://casparcgforum.org/t/casparcg-server-2-5-0-hdr-support/7522 "2026-03-24T12:03:16Z")
Hello folks, The changelog for CasparCG Server 2.5.0 includes initial HDR support. What does this mean? Can we use the DeckLink’s HDR output now? Who can shed some light on this? --- ## [Screen comsumer on minimal ubuntu server installation does not receive AMCP commands](https://casparcgforum.org/t/screen-comsumer-on-minimal-ubuntu-server-installation-does-not-receive-amcp-commands/7431)
**Author:** [@gordonaustin](https://casparcgforum.org/u/gordonaustin)\ **Replies:** 6\ **Last updated:** [October 18, 2025, 9:20pm UTC](https://casparcgforum.org/t/screen-comsumer-on-minimal-ubuntu-server-installation-does-not-receive-amcp-commands/7431 "2025-10-18T21:20:10Z")
Problem statement Hi, I’m trying to use casparcg for a graphics playout server controlled by bitfocus companion. Initially I am trying to get it to work with the screen consumer (until I see a cheap decklink on ebay). … --- ## [Configuring Duo 2 and 1 video output on ATEM](https://casparcgforum.org/t/configuring-duo-2-and-1-video-output-on-atem/7417)
**Author:** [@ArthurdeChaurand](https://casparcgforum.org/u/ArthurdeChaurand)\ **Replies:** 17\ **Last updated:** [September 30, 2025, 9:41am UTC](https://casparcgforum.org/t/configuring-duo-2-and-1-video-output-on-atem/7417 "2025-09-30T09:41:41Z")
Hello guys ! As many of you advised me, i bought a Blackmagic Duo 2 card for my Atem Television Studio Pro HD. But, unfortunately, i encounter some logs issues when i start my CasparCG server. Here my config file: \ **Author:** [@Maurice78](https://casparcgforum.org/u/Maurice78)\ **Replies:** 7\ **Last updated:** [January 15, 2025, 12:02pm UTC](https://casparcgforum.org/t/ubuntu-server-crashing-after-2seconds/6533 "2025-01-15T12:02:57Z") Since a regular ubuntu update early this week i experience this. Caspar version e8f24308fa1e49ba856bf3fb0ef7061c9c869cee Ubuntu 22.04.4 LTS Some googling gave me hints that it has something to do with chromium. \[0418… --- ## [Caspar on Linux](https://casparcgforum.org/t/caspar-on-linux/6885)
**Author:** [@MarceloCarvalho](https://casparcgforum.org/u/MarceloCarvalho)\ **Replies:** 5\ **Last updated:** [December 1, 2024, 4:07pm UTC](https://casparcgforum.org/t/caspar-on-linux/6885 "2024-12-01T16:07:43Z")
Hello everyone!!! I installed CasparCG version 2.4.1 on Linux, and everything is working very well. Now, I’m not sure how to run the Scanner. On Windows, there’s an easy-to-find Scanner executable, but on Linux, how ca… --- ## [Unable to Run on Linux](https://casparcgforum.org/t/unable-to-run-on-linux/6802)
**Author:** [@aalthouse](https://casparcgforum.org/u/aalthouse)\ **Replies:** 3\ **Last updated:** [September 25, 2024, 8:50pm UTC](https://casparcgforum.org/t/unable-to-run-on-linux/6802 "2024-09-25T20:50:07Z")
I am trying to install a fresh copy of Caspar on Linux Ubuntu. Here is what is coming up. Am I missing a step in the setup process? Type "q" to close application. Logging \[info\] or higher severity to log/ \[2024-09-25 0… --- ## [Issues installing media server on Ubuntu](https://casparcgforum.org/t/issues-installing-media-server-on-ubuntu/6536)
**Author:** [@dweiler](https://casparcgforum.org/u/dweiler)\ **Replies:** 0\ **Last updated:** [April 19, 2024, 4:54pm UTC](https://casparcgforum.org/t/issues-installing-media-server-on-ubuntu/6536 "2024-04-19T16:54:04Z")
Attempting to install Casper CG onto Ubuntu (22) installed CG program without issue but when trying to run the server keep getting the error message Failed to connect to media-scanner. Is it running? I have seen that t… --- ## [AMD Ryzen 5 + ZorinOs](https://casparcgforum.org/t/amd-ryzen-5-zorinos/6461)
**Author:** [@ProjerTapia](https://casparcgforum.org/u/ProjerTapia)\ **Replies:** 1\ **Last updated:** [March 7, 2024, 4:27pm UTC](https://casparcgforum.org/t/amd-ryzen-5-zorinos/6461 "2024-03-07T16:27:06Z")
Hello, today I tried to run casparcg from Ubuntu base ZorinOS 17. After some problems with NDI I finally managed to run the html templates through NDI, but now the images and videos are not displayed in the client and th… --- ## [Does CasparCG work on EC2 instance g4dn type. With hardware acceleration on ffmpeg consumer](https://casparcgforum.org/t/does-casparcg-work-on-ec2-instance-g4dn-type-with-hardware-acceleration-on-ffmpeg-consumer/6187)
**Author:** [@nareshuppada](https://casparcgforum.org/u/nareshuppada)\ **Replies:** 2\ **Last updated:** [December 1, 2023, 1:47am UTC](https://casparcgforum.org/t/does-casparcg-work-on-ec2-instance-g4dn-type-with-hardware-acceleration-on-ffmpeg-consumer/6187 "2023-12-01T01:47:05Z")
Any recent working copy of EC2 instance on g4dn type uses T4 Tesla. With Ubuntu 22.04. I updated the ffmpeg consumer args to use nvenc . The server throws an error with operation not permitted. Anybody tried similiar app… --- ## [Unbuntu and libpthread.so.0 error](https://casparcgforum.org/t/unbuntu-and-libpthread-so-0-error/6039)
**Author:** [@Robert\_Potts](https://casparcgforum.org/u/Robert_Potts)\ **Replies:** 1\ **Last updated:** [September 7, 2023, 8:56am UTC](https://casparcgforum.org/t/unbuntu-and-libpthread-so-0-error/6039 "2023-09-07T08:56:42Z")
Hi all, I am running casparcg 2.3.0 on unbuntu 20.04.6lts (for over three years now) it has now begun to error with: symbol lookup error: /lib/libpthread.so.0: undefined symbol: \_\_libc\_vfork, version GLIBC\_PRIVATE - ca… --- ## [How to install and start CasparCG Server on Ubuntu 20.04 server?](https://casparcgforum.org/t/how-to-install-and-start-casparcg-server-on-ubuntu-20-04-server/5488)
**Author:** [@Lentohrastik](https://casparcgforum.org/u/Lentohrastik)\ **Replies:** 2\ **Last updated:** [August 25, 2023, 12:11pm UTC](https://casparcgforum.org/t/how-to-install-and-start-casparcg-server-on-ubuntu-20-04-server/5488 "2023-08-25T12:11:10Z")
I want to run CasparCG on my Ubuntu server, but I constantly run into various problems (if CasparCG manages to run, then it issues “Aborted (core dumped)” without an error or send a message about a problem with X11 displ… --- ## [CasparCG Client on Ubuntu 22.04](https://casparcgforum.org/t/casparcg-client-on-ubuntu-22-04/5043)
**Author:** [@standekker](https://casparcgforum.org/u/standekker)\ **Replies:** 0\ **Last updated:** [September 7, 2022, 7:14pm UTC](https://casparcgforum.org/t/casparcg-client-on-ubuntu-22-04/5043 "2022-09-07T19:14:03Z")
Hi all, I have been trying to get the CCG Client to work on Ubuntu 22.04, but I keep getting the same error. I followed the steps that are in the Github repository: I cloned the repository from the Github repo Go int… --- ## [Pause and then resume for live stream](https://casparcgforum.org/t/pause-and-then-resume-for-live-stream/4868)
**Author:** [@firemax5c](https://casparcgforum.org/u/firemax5c)\ **Replies:** 0\ **Last updated:** [May 12, 2022, 9:04am UTC](https://casparcgforum.org/t/pause-and-then-resume-for-live-stream/4868 "2022-05-12T09:04:41Z")
Good Day, I’m try to make pause and then resume for live stream producer (rtmp, http). Commands PAUSE/RESUME working for not longer period (some seconds) but I need for some hours. Also I try play a growing recording f… --- ## [Installation Guide of CasparCG Server in Ubuntu 18.04](https://casparcgforum.org/t/installation-guide-of-casparcg-server-in-ubuntu-18-04/4778)
**Author:** [@kailashgkg](https://casparcgforum.org/u/kailashgkg)\ **Replies:** 3\ **Last updated:** [April 15, 2022, 9:12pm UTC](https://casparcgforum.org/t/installation-guide-of-casparcg-server-in-ubuntu-18-04/4778 "2022-04-15T21:12:44Z")
Hi, I am trying to install CasparCG server on the Ubuntu 18.04 OS along with Blackmagic Decklink QUAD card to play out streams. Please kindly help to share the detailed installation guide of server on the Ubuntu PC as I… --- ## [NDI Producer on Linux](https://casparcgforum.org/t/ndi-producer-on-linux/4558)
**Author:** [@Angmor](https://casparcgforum.org/u/Angmor)\ **Replies:** 3\ **Last updated:** [November 8, 2021, 9:05pm UTC](https://casparcgforum.org/t/ndi-producer-on-linux/4558 "2021-11-08T21:05:39Z")
I am running CasparCG in Ubuntu 18.04 and cannot play NDI sources. Consumer is all OK, i can create NDI Consumer outputs, but no input. i don’t know if this is a bug or lack of some libraries on my side play 1-1 "ndi://… --- ## [Succesfull CasparCG 2.2 linux build](https://casparcgforum.org/t/succesfull-casparcg-2-2-linux-build/1695)
**Author:** [@Syscaspar](https://casparcgforum.org/u/Syscaspar)\ **Replies:** 17\ **Last updated:** [August 22, 2021, 8:36pm UTC](https://casparcgforum.org/t/succesfull-casparcg-2-2-linux-build/1695 "2021-08-22T20:36:50Z")
We have been able to build CasparCG 2.2 in ubuntu 18.04. We followed the following steps: We downloaded code from https://github.com/CasparCG/server/releases executed the following steps Install dependencies apt-get … --- ## [HTML output on CasparCG Server Ubuntu 20.04](https://casparcgforum.org/t/html-output-on-casparcg-server-ubuntu-20-04/4349)
**Author:** [@GLTCprincess](https://casparcgforum.org/u/GLTCprincess)\ **Replies:** 3\ **Last updated:** [August 7, 2021, 8:30pm UTC](https://casparcgforum.org/t/html-output-on-casparcg-server-ubuntu-20-04/4349 "2021-08-07T20:30:30Z")
Query… After a bunch of mucking around I think I was able to get CasparCG to work on Ubuntu 20.04. I can play out images to my Decklink card just fine and they show up with fill and key. Huzzah! Problem I seem to be hav… --- ## [How to run an image on launch/startup?](https://casparcgforum.org/t/how-to-run-an-image-on-launch-startup/4337)
**Author:** [@mohamed.elshorbagy](https://casparcgforum.org/u/mohamed.elshorbagy)\ **Replies:** 3\ **Last updated:** [July 28, 2021, 10:57pm UTC](https://casparcgforum.org/t/how-to-run-an-image-on-launch-startup/4337 "2021-07-28T22:57:55Z")
I have tried adding the following args in the config file \ \ \720p5000\ \ \image.jpeg\ … --- ## [Channel output directly to GPU hardware connections](https://casparcgforum.org/t/channel-output-directly-to-gpu-hardware-connections/4178)
**Author:** [@LRTNZ](https://casparcgforum.org/u/LRTNZ)\ **Replies:** 3\ **Last updated:** [May 6, 2021, 10:03am UTC](https://casparcgforum.org/t/channel-output-directly-to-gpu-hardware-connections/4178 "2021-05-06T10:03:37Z")
Hey everyone. I am a returning user of Caspar, looking at using it to directly playout content to a couple of displays. This will be to replace an old system at this venue (That just went poof in power surge), which is … --- ## [Another Flash related question](https://casparcgforum.org/t/another-flash-related-question/3818)
**Author:** [@Weather](https://casparcgforum.org/u/Weather)\ **Replies:** 1\ **Last updated:** [January 7, 2021, 5:31am UTC](https://casparcgforum.org/t/another-flash-related-question/3818 "2021-01-07T05:31:05Z")
Hello, I recently took over a position at a company that utilizes a Linux VM that plays graphics out through CasparCG Currently my test environment is down, so I don’t have a way of testing unless I took a client machi… --- ## [Linux Debian 9 based and CEF](https://casparcgforum.org/t/linux-debian-9-based-and-cef/3671)
**Author:** [@snowsoul](https://casparcgforum.org/u/snowsoul)\ **Replies:** 5\ **Last updated:** [November 24, 2020, 1:36pm UTC](https://casparcgforum.org/t/linux-debian-9-based-and-cef/3671 "2020-11-24T13:36:55Z")
Hello everyone. I have Debian 9 based OS with qt5 desktop. I trying build casparcg 2.3.0 master branch. Everything works, but CEF does not show anything? can i debug cef? And this i found when casparcg starts and Caspa… --- ## [Casparcg.config - help Ubuntu 20.04](https://casparcgforum.org/t/casparcg-config-help-ubuntu-20-04/3670)
**Author:** [@peterf](https://casparcgforum.org/u/peterf)\ **Replies:** 22\ **Last updated:** [November 23, 2020, 6:39am UTC](https://casparcgforum.org/t/casparcg-config-help-ubuntu-20-04/3670 "2020-11-23T06:39:49Z")
I need help with my config file. I’m running Ubuntu 20.04 Desktop with an Blackmagic Ultrastudio HD Mini on TB3. And want to work with casparcg. I installed directly with softwaremanager in Ubuntu. There are some thre… --- ## [Low performance with Decklink Quad HDMI Recorder input](https://casparcgforum.org/t/low-performance-with-decklink-quad-hdmi-recorder-input/3688)
**Author:** [@lukas.mican](https://casparcgforum.org/u/lukas.mican)\ **Replies:** 1\ **Last updated:** [November 23, 2020, 2:07am UTC](https://casparcgforum.org/t/low-performance-with-decklink-quad-hdmi-recorder-input/3688 "2020-11-23T02:07:25Z")
Hello, My goal is to make a simple 2x2 grid with 4 video inputs from Decklink Quad HDMI Recorder card. I created 4 Decklink producers with 1080p3000 format in separate layers and then I created the grid with MIXER 1 GR… --- ## [Casparcg 2.3.0 and Intensity Pro 4k](https://casparcgforum.org/t/casparcg-2-3-0-and-intensity-pro-4k/3672)
**Author:** [@snowsoul](https://casparcgforum.org/u/snowsoul)\ **Replies:** 9\ **Last updated:** [November 19, 2020, 1:32pm UTC](https://casparcgforum.org/t/casparcg-2-3-0-and-intensity-pro-4k/3672 "2020-11-19T13:32:24Z")
Hello everyone, i am new with caspar. I have two decklink cards Intensity Pro 4k and Caspar 2.3.0 on Ubuntu 18.04. My config is \ \ \trace\ \<… --- ## [How to build client-next on ubuntu?](https://casparcgforum.org/t/how-to-build-client-next-on-ubuntu/3618)
**Author:** [@mux](https://casparcgforum.org/u/mux)\ **Replies:** 2\ **Last updated:** [October 29, 2020, 6:34am UTC](https://casparcgforum.org/t/how-to-build-client-next-on-ubuntu/3618 "2020-10-29T06:34:15Z")
Hello, I’m confused on how to get client-next working on ubuntu. The github readme says “Unpack the tar file and run the run.sh.” but i see no tar file from the github repository. Instead, the only path to getting a run… --- ## [Newbie Question on Hardware for CasparCG Server on Ubuntu](https://casparcgforum.org/t/newbie-question-on-hardware-for-casparcg-server-on-ubuntu/3517)
**Author:** [@peterf](https://casparcgforum.org/u/peterf)\ **Replies:** 4\ **Last updated:** [September 26, 2020, 6:35am UTC](https://casparcgforum.org/t/newbie-question-on-hardware-for-casparcg-server-on-ubuntu/3517 "2020-09-26T06:35:26Z")
Hello, I am a complete newbie when it comes to CasparCG. I would like to use a CasparCG server on an intel nuc that is running an Ubuntu server with a web server for local applications. As a recording card, I’m thinking… --- ## [Enable NVENC H264 Encoding in Linux](https://casparcgforum.org/t/enable-nvenc-h264-encoding-in-linux/3014)
**Author:** [@LRTNZ](https://casparcgforum.org/u/LRTNZ)\ **Replies:** 2\ **Last updated:** [April 21, 2020, 1:26pm UTC](https://casparcgforum.org/t/enable-nvenc-h264-encoding-in-linux/3014 "2020-04-21T13:26:43Z")
Hi all I have been working on getting Caspar going for this video distribution project I have been working on, and I was wondering: Could someone please explain to me how to replace the FFmpeg build used by Caspar on Li… --- ## [CasparCG Server: Help with specs for 8x 30fps 1920x1080p multicast streams](https://casparcgforum.org/t/casparcg-server-help-with-specs-for-8x-30fps-1920x1080p-multicast-streams/2998)
**Author:** [@LRTNZ](https://casparcgforum.org/u/LRTNZ)\ **Replies:** 2\ **Last updated:** [April 21, 2020, 2:34am UTC](https://casparcgforum.org/t/casparcg-server-help-with-specs-for-8x-30fps-1920x1080p-multicast-streams/2998 "2020-04-21T02:34:35Z")
Hi all I am currently working on a project, that requires the distribution of media content out over a large number of multicast streams. The majority of these streams are terrestrial digital TV signals, that have been … [Next page](https://casparcgforum.org/tag/linux/34.md?match_all_tags=true&page=1&tags%5B%5D=linux)