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Can emulate a user from another one? #64

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opened 2025-02-05 15:28:05 +01:00 by Benjamin_Loison · 3 comments
Benjamin_Loison commented 2025-02-05 15:28:05 +01:00
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For instance if server admin is busy, could make that if authenticate with a given SSH key, then it enforces working in /home/parent_user/child_user/ as ~. Or the user could host his own SSH server to ensure restraining the child user, as he may not have the rights to do so otherwise.

In my case for some reason the admin seems to have failed moving my user, so I can't use the server anymore, see the message: 
-----BEGIN PGP MESSAGE-----

hF4DTQa9Wom5MBgSAQdAIF6CZw5Xty+0M+jxooFxSdAL7LWapq8JicSwXESkaRMw
lb4g4LVDEgBCMG3zMf12bVRXSPrkyZFgIz9pkasoG7/uuCw5+gX/5eDF3ocNSgSF
0qoBSvXP/WINMD4jo0Po409OVgjRbR+ohUKknzEgHNbaKSLfMjNyZl5kkG8QIYi5
t5d2CZZOewaTUmNs578o/39Q2RCxmfLrdbK2wfJid0fY1r4SaUcz4pSXnklOOKHD
nCil6wdmBJVLcaG7yur44KIJ+ef9Et2gf96JMS0Uzc3yzaUJq5B8YtF1pJh8Xi2c
p+GhKvtdyrC9SbcoVQGg+hPfmsRj+wGZPyj+YA==
=ljUw
-----END PGP MESSAGE-----
For instance if server admin is busy, could make that if authenticate with a given SSH key, then it enforces working in `/home/parent_user/child_user/` as `~`. Or the user could host his own SSH server to ensure restraining the child user, as he may not have the rights to do so otherwise. <details> <summary>In my case for some reason the admin seems to have failed moving my user, so I can't use the server anymore, see the message:</summary> ``` -----BEGIN PGP MESSAGE----- hF4DTQa9Wom5MBgSAQdAIF6CZw5Xty+0M+jxooFxSdAL7LWapq8JicSwXESkaRMw lb4g4LVDEgBCMG3zMf12bVRXSPrkyZFgIz9pkasoG7/uuCw5+gX/5eDF3ocNSgSF 0qoBSvXP/WINMD4jo0Po409OVgjRbR+ohUKknzEgHNbaKSLfMjNyZl5kkG8QIYi5 t5d2CZZOewaTUmNs578o/39Q2RCxmfLrdbK2wfJid0fY1r4SaUcz4pSXnklOOKHD nCil6wdmBJVLcaG7yur44KIJ+ef9Et2gf96JMS0Uzc3yzaUJq5B8YtF1pJh8Xi2c p+GhKvtdyrC9SbcoVQGg+hPfmsRj+wGZPyj+YA== =ljUw -----END PGP MESSAGE----- ``` </details>
Benjamin_Loison commented 2025-02-06 14:44:36 +01:00
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The person: 
-----BEGIN PGP MESSAGE-----

hF4DTQa9Wom5MBgSAQdA2pVLi5VDK/HwOhQHb7KRKMZ/C4Lca+MqRCfd/9mAwxQw
ExKcddllQNcqrd7a2KxNSJEuOniuNx/XjtTlOTR3HJgqAAYhWvIWPDilhAJchJLb
0kABfbqtEH4IglyP7+FZkxmeEIBIzUCpL/AY8uCFKQvhS1vOVF8WWNzDlgU+rfzQ
UgUKvP1tz7RNxiKwv5GRo9Bo
=StgG
-----END PGP MESSAGE-----

may be interested in this for server access sharing if still do not have the admin having created a user for him.

<details> <summary>The person:</summary> ``` -----BEGIN PGP MESSAGE----- hF4DTQa9Wom5MBgSAQdA2pVLi5VDK/HwOhQHb7KRKMZ/C4Lca+MqRCfd/9mAwxQw ExKcddllQNcqrd7a2KxNSJEuOniuNx/XjtTlOTR3HJgqAAYhWvIWPDilhAJchJLb 0kABfbqtEH4IglyP7+FZkxmeEIBIzUCpL/AY8uCFKQvhS1vOVF8WWNzDlgU+rfzQ UgUKvP1tz7RNxiKwv5GRo9Bo =StgG -----END PGP MESSAGE----- ``` </details> may be interested in this for server access sharing if still do not have the admin having created a user for him.
Benjamin_Loison commented 2026-06-03 11:36:29 +02:00
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2026-06-03 10:38:52.512: à propos d'ajouter un utilisateur en ayant un mini accessoires utilisateur va rendre serveur en fait on pourrait peut-être profiter là on peut forcer une commande qui permettrait donc de conteneuriser sous utilisateurs données
2026-06-03 10:39:29.016: Apptainer ou Docker peut aider à cette fin
2026-06-03 10:40:25.059: ensuite au niveau du point va chercher savoir qui l'utilisateur se connecte sans définissant par exemple un argument en environnement de variable ou un argument passé dans une commande

Related to Benjamin_Loison/slurm/issues/41.

2026-06-03 10:38:52.512: à propos d'ajouter un utilisateur en ayant un mini accessoires utilisateur va rendre serveur en fait on pourrait peut-être profiter là on peut forcer une commande qui permettrait donc de conteneuriser sous utilisateurs données 2026-06-03 10:39:29.016: Apptainer ou Docker peut aider à cette fin 2026-06-03 10:40:25.059: ensuite au niveau du point va chercher savoir qui l'utilisateur se connecte sans définissant par exemple un argument en environnement de variable ou un argument passé dans une commande Related to [Benjamin_Loison/slurm/issues/41](https://codeberg.org/Benjamin_Loison/slurm/issues/41).
Benjamin_Loison commented 2026-06-03 17:58:03 +02:00
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Benjamin_Loison/virt-manager/issues/80 would help.

[Benjamin_Loison/virt-manager/issues/80](https://codeberg.org/Benjamin_Loison/virt-manager/issues/80) would help.
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Reference: Benjamin_Loison/linux#64