KASM Workspaces

Streaming containerized apps and desktops to end-users. The Workspaces platform provides enterprise-class orchestration, data loss prevention, and web streaming technology to enable the delivery of containerized workloads to your browser.

Add self-signed SSL Certificates

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Stop the kasm services

sudo /opt/kasm/bin/stop

Replace kasm_nginx.crt and kasm_nginx.key files

sudo cp <your_cert> /opt/kasm/current/certs/kasm_nginx.crt
sudo cp <your_key> /opt/kasm/current/certs/kasm_nginx.key

Start the Kasm Services

sudo /opt/kasm/bin/start

Custom Images

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Registry

https://index.docker.io/v1/

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Add Images in KASM

[!attention] You need to pass in a "tag" in the Docker Image. Otherwise kasm won't pull and start the image correctly.

Docker Run Config

Example

{
	"cap_add":["NET_ADMIN"],
	"devices":["dev/net/tun","/dev/net/tun"],
	"sysctls":{"net.ipv6.conf.all.disable_ipv6":"0"}
}

Troubleshooting

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KASM Agent

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Database

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sudo docker exec -it kasm_db psql -U kasmapp -d kasm

Delete invalid users from user_groups table

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Check table for invalid entries

kasm=# select * from user_groups;
            user_group_id             |               user_id                |               group_id
--------------------------------------+--------------------------------------+--------------------------------------
 07c54672-739f-42d8-befc-bb2ba29fa22d | 71899524-5b31-41ac-a359-1aa8a008b831 | 68d557ac-4cac-42cc-a9f3-1c7c853de0f3
 e291f1f7-86be-490f-9f9b-3a520d4d1dfa | 71899524-5b31-41ac-a359-1aa8a008b831 | b578d8e9-5585-430b-a70b-9935e8acaaa3
 07b6f450-2bf5-48c0-9c5e-3443ad962fcb |                                      | 68d557ac-4cac-42cc-a9f3-1c7c853de0f3
 8c4c7242-b2b5-4a7a-89d3-e46d24456e5c |                                      | b578d8e9-5585-430b-a70b-9935e8acaaa3

Delete invalid entries from the table:

delete from user_groups where user_id is null;

Verify table

kasm=# select * from user_groups;
            user_group_id             |               user_id                |               group_id
--------------------------------------+--------------------------------------+--------------------------------------
 07c54672-739f-42d8-befc-bb2ba29fa22d | 71899524-5b31-41ac-a359-1aa8a008b831 | 68d557ac-4cac-42cc-a9f3-1c7c853de0f3
 e291f1f7-86be-490f-9f9b-3a520d4d1dfa | 71899524-5b31-41ac-a359-1aa8a008b831 | b578d8e9-5585-430b-a70b-9935e8acaaa3
(2 rows)

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