# Core dev **URL:** https://forum.yunohost.org/c/contribute-room/core-dev/24.md [Latest](https://forum.yunohost.org/latest.md) · [Categories](https://forum.yunohost.org/categories.md) · [Tags](https://forum.yunohost.org/tags.md) --- ## [About the Core dev category](https://forum.yunohost.org/t/about-the-core-dev-category/5665)
**Author:** [@Aleks](https://forum.yunohost.org/u/Aleks)\ **Replies:** 0
--- ## [Ajout d'une authentification à deux facteurs (2FA / TOTP ou code par e-mail) pour le portail SSO central](https://forum.yunohost.org/t/ajout-dune-authentification-a-deux-facteurs-2fa-totp-ou-code-par-e-mail-pour-le-portail-sso-central/42806)
**Author:** [@peripheria](https://forum.yunohost.org/u/peripheria)\ **Replies:** 1\ **Last updated:** [August 13, 2026, 12:32pm UTC](https://forum.yunohost.org/t/ajout-dune-authentification-a-deux-facteurs-2fa-totp-ou-code-par-e-mail-pour-le-portail-sso-central/42806 "2026-08-13T12:32:27Z")
Bonjour à la communauté, Je suggère d’intégrer nativement une option d’authentification à deux facteurs (2FA), que ce soit par application de type TOTP (génération de codes à 6 chiffres) ou par l’envoi d’un code de véri… --- ## [Suggestion: yunohost tools db-prompt app](https://forum.yunohost.org/t/suggestion-yunohost-tools-db-prompt-app/23729)
**Author:** [@fflorent](https://forum.yunohost.org/u/fflorent)\ **Replies:** 3\ **Last updated:** [May 9, 2026, 7:07pm UTC](https://forum.yunohost.org/t/suggestion-yunohost-tools-db-prompt-app/23729 "2026-05-09T19:07:22Z")
I used to often struggle to open a database prompt in order to debug an app or just collect info about the DB structure. The reasons are the following: an app may be mariadb, peertube or even sqlite, in order to know t… --- ## [☢ "CopyFail v2" aka DirtyFrag](https://forum.yunohost.org/t/copyfail-v2-aka-dirtyfrag/42214)
**Author:** [@adalanerd](https://forum.yunohost.org/u/adalanerd)\ **Replies:** 1\ **Last updated:** [May 7, 2026, 10:29pm UTC](https://forum.yunohost.org/t/copyfail-v2-aka-dirtyfrag/42214 "2026-05-07T22:29:44Z")
Hello ! Un nouvel exploit à la CopyFail (concerne principalement les serveurs avec plusieurs comptes utilisateurices) vient de sortir, pas encore patché car ça a leaké pendant la procédure CVE. Un patch manuel est prop… --- ## [Disk encryption](https://forum.yunohost.org/t/disk-encryption/11499)
**Author:** [@Yajo](https://forum.yunohost.org/u/Yajo)\ **Replies:** 22\ **Last updated:** [July 6, 2025, 6:31pm UTC](https://forum.yunohost.org/t/disk-encryption/11499 "2025-07-06T18:31:13Z")
Summary Yunohost needs to offer disk encryption to the masses. Problem I see no docs or FAQ about disk encryption. If your Raspberry holds all your valuable data and somebody steals it, he’ll have it all! OTOH, if yo… --- ## [App menu pour naviguer de façon intégrée entre les applications YunoHost?](https://forum.yunohost.org/t/app-menu-pour-naviguer-de-facon-integree-entre-les-applications-yunohost/35808)
**Author:** [@elloh](https://forum.yunohost.org/u/elloh)\ **Replies:** 9\ **Last updated:** [April 27, 2025, 1:53pm UTC](https://forum.yunohost.org/t/app-menu-pour-naviguer-de-facon-integree-entre-les-applications-yunohost/35808 "2025-04-27T13:53:55Z")
Salut, Seriez-vous intéressés par un menu intégré comme chez framasoft pour les applications YunoHost ? Si non, pouvez-vous me faire un retour d’expérience sur le/les raisons qui vous ont mené à ne pas faire un menu i… --- ## [Postfix and SPF configuration improvement suggestions](https://forum.yunohost.org/t/postfix-and-spf-configuration-improvement-suggestions/31159)
**Author:** [@jershon](https://forum.yunohost.org/u/jershon)\ **Replies:** 4\ **Last updated:** [October 7, 2024, 1:29pm UTC](https://forum.yunohost.org/t/postfix-and-spf-configuration-improvement-suggestions/31159 "2024-10-07T13:29:24Z")
Dear Yunohost community, I would like to discuss some configurations a friend suggested to improve the rating of the emails I send from my little server. I tried them, and it seems to improve the way the email I sent we… --- ## [Backups: Implementing Zstandard compression instead of Gzip?](https://forum.yunohost.org/t/backups-implementing-zstandard-compression-instead-of-gzip/13379)
**Author:** [@Lapineige](https://forum.yunohost.org/u/Lapineige)\ **Replies:** 34\ **Last updated:** [January 20, 2024, 9:55pm UTC](https://forum.yunohost.org/t/backups-implementing-zstandard-compression-instead-of-gzip/13379 "2024-01-20T21:55:06Z")
Hello everyone, I recently discovered Zstandard (later abbreviated to zdst) compression, which is an extremely fast (almost realtime) compression algorithm with decent compression performance. I have a proposal concern… --- ## [Maybe a simple solution for external authentication in YunoHost?](https://forum.yunohost.org/t/maybe-a-simple-solution-for-external-authentication-in-yunohost/28044)
**Author:** [@emanuelegissi](https://forum.yunohost.org/u/emanuelegissi)\ **Replies:** 4\ **Last updated:** [January 16, 2024, 9:51am UTC](https://forum.yunohost.org/t/maybe-a-simple-solution-for-external-authentication-in-yunohost/28044 "2024-01-16T09:51:01Z")
Hi, I am a professional fire officer, and I am currently managing a Debian server in my fire brigade (Genova, Italy), hosting a couple of applications docker images. I would like to simplify the management of this serv… --- ## [How can we use HTTP REMOTE\_USER in SSO-SWAT with python apps?](https://forum.yunohost.org/t/how-can-we-use-http-remote-user-in-sso-swat-with-python-apps/25342)
**Author:** [@anon81126810](https://forum.yunohost.org/u/anon81126810)\ **Replies:** 0\ **Last updated:** [June 29, 2023, 12:54pm UTC](https://forum.yunohost.org/t/how-can-we-use-http-remote-user-in-sso-swat-with-python-apps/25342 "2023-06-29T12:54:06Z")
Hi, how can we use HTTP REMOTE\_USER in SSO-SWAT with python apps? Thanx for any hint Renne --- ## [PermitRootLogin no AND yes in sshd\_config](https://forum.yunohost.org/t/permitrootlogin-no-and-yes-in-sshd-config/23338)
**Author:** [@punkyard](https://forum.yunohost.org/u/punkyard)\ **Replies:** 2\ **Last updated:** [January 29, 2023, 8:50pm UTC](https://forum.yunohost.org/t/permitrootlogin-no-and-yes-in-sshd-config/23338 "2023-01-29T20:50:43Z")
hi, I’ve just installed YNH on my contabo VPS … amazing work! I just took a look in /etc/ssh/sshd\_config where I read: Using regular users in combination with /bin/su or /usr/bin/sudo ensure a clear audit track. Log… --- ## [Lichee Pi 4A - 2.5Ghz RISC-V, 16Gb Ram, 4TOPS](https://forum.yunohost.org/t/lichee-pi-4a-2-5ghz-risc-v-16gb-ram-4tops/22941)
**Author:** [@samuk](https://forum.yunohost.org/u/samuk)\ **Replies:** 1\ **Last updated:** [January 5, 2023, 1:14pm UTC](https://forum.yunohost.org/t/lichee-pi-4a-2-5ghz-risc-v-16gb-ram-4tops/22941 "2023-01-05T13:14:17Z")
Lichee Pi 4A is powered by a RISC-V processor. It supports up to 16GB of RAM. It is on pre-order It intends to support Debian Yocto Would any devs be interested in preorder/purchase and adding it to supported hardw… --- ## [Can't upgrade apps if a backup is not found](https://forum.yunohost.org/t/cant-upgrade-apps-if-a-backup-is-not-found/14553)
**Author:** [@Kit](https://forum.yunohost.org/u/Kit)\ **Replies:** 2\ **Last updated:** [August 19, 2022, 3:24pm UTC](https://forum.yunohost.org/t/cant-upgrade-apps-if-a-backup-is-not-found/14553 "2022-08-19T15:24:07Z")
Hello, A few times ago I did a backup in a custom folder then delete it with a rm command which is NOT a good idea. All ran well, until I tried to upgrade some apps : https://paste.yunohost.org/raw/momefejoda tl;dr : … --- ## [Working on rspamd default configuration](https://forum.yunohost.org/t/working-on-rspamd-default-configuration/19283)
**Author:** [@zeroheure](https://forum.yunohost.org/u/zeroheure)\ **Replies:** 21\ **Last updated:** [April 29, 2022, 2:24pm UTC](https://forum.yunohost.org/t/working-on-rspamd-default-configuration/19283 "2022-04-29T14:24:14Z")
Hello I try to understand the rspamd config in Yunohost and Freedombox. Both projects had left this part mostly untouched. Changes made looks inspired by internet tutorials without fully understanding (may be I’m wrong)… --- ## [Admin panel password form doesn't automatically capture keyboard](https://forum.yunohost.org/t/admin-panel-password-form-doesnt-automatically-capture-keyboard/18413)
**Author:** [@bormay](https://forum.yunohost.org/u/bormay)\ **Replies:** 1\ **Last updated:** [January 9, 2022, 1:55pm UTC](https://forum.yunohost.org/t/admin-panel-password-form-doesnt-automatically-capture-keyboard/18413 "2022-01-09T13:55:05Z")
This is a small annoyance and I am not sure if it is intended this way. The password form doesn’t contain an autofocus attribute. This means that the form has to be first selected with the mouse before the password can … --- ## [Alambic - un logiciel qui analyse les forges](https://forum.yunohost.org/t/alambic-un-logiciel-qui-analyse-les-forges/14442)
**Author:** [@tierce](https://forum.yunohost.org/u/tierce)\ **Replies:** 0\ **Last updated:** [February 6, 2021, 2:37pm UTC](https://forum.yunohost.org/t/alambic-un-logiciel-qui-analyse-les-forges/14442 "2021-02-06T14:37:59Z")
Juste un plop là comme ça… Dans l’idée « d’analyser » la forge de yunohost et des applications packagées, je suis avec Dawal qui développe Alambic. En exemple, https://eclipse.alambic.io/ Le logiciel fournis des infor… --- ## [Encore une erreur SEC\_ERROR\_UNKNOWN\_ISSUER](https://forum.yunohost.org/t/encore-une-erreur-sec-error-unknown-issuer/6288)
**Author:** [@Krakinou](https://forum.yunohost.org/u/Krakinou)\ **Replies:** 14\ **Last updated:** [November 19, 2020, 2:19am UTC](https://forum.yunohost.org/t/encore-une-erreur-sec-error-unknown-issuer/6288 "2020-11-19T02:19:01Z")
Bonjour, Je viens de monter un yunuhost de dev sur une virtualbox à coté de mon instance de production sur un raspberry. J’ai effectué l’install et la post install, paramétré mon /etc/hosts pour pointer vers cette mach… --- ## [Prevent users from adding E-mail addresses](https://forum.yunohost.org/t/prevent-users-from-adding-e-mail-addresses/13169)
**Author:** [@utzer](https://forum.yunohost.org/u/utzer)\ **Replies:** 2\ **Last updated:** [November 5, 2020, 10:24am UTC](https://forum.yunohost.org/t/prevent-users-from-adding-e-mail-addresses/13169 "2020-11-05T10:24:06Z")
Hello, I was wondering why users are permitted to set additional “E-mail addresses” for them self? Is there a way to disable this function? I want to run this server for my family, couple of people, maybe 20-30, but I d… --- ## [Yunohost et /e/](https://forum.yunohost.org/t/yunohost-et-e/8787)
**Author:** [@JulienGarrigue](https://forum.yunohost.org/u/JulienGarrigue)\ **Replies:** 14\ **Last updated:** [September 30, 2020, 1:00pm UTC](https://forum.yunohost.org/t/yunohost-et-e/8787 "2020-09-30T13:00:31Z")
Bonjour @frju365, Suite à ton message sur le forum de /e/, je viens donc ici pour créer une conversation au sujet de l’intégration de Yunohost dans /e/. Je n’ai pas pu te contacter en PM c’est pour cela que je crée une… --- ## [Buster and beyond (better update/testing, based on upstreaming, debian integrated infrastrucure)](https://forum.yunohost.org/t/buster-and-beyond-better-update-testing-based-on-upstreaming-debian-integrated-infrastrucure/11905)
**Author:** [@tmb](https://forum.yunohost.org/u/tmb)\ **Replies:** 23\ **Last updated:** [July 20, 2020, 9:41pm UTC](https://forum.yunohost.org/t/buster-and-beyond-better-update-testing-based-on-upstreaming-debian-integrated-infrastrucure/11905 "2020-07-20T21:41:58Z")
A sincere question, looking at the work needed that goes into keeping yunohost up to date with new debian releases, and to maintain and test everything separately. Couldn’t it streamline the workflow and ease things qui… --- ## [Conflit entre son propre sous-domaine, un sous-domaine ynh.fr](https://forum.yunohost.org/t/conflit-entre-son-propre-sous-domaine-un-sous-domaine-ynh-fr/11417)
**Author:** [@tittouille](https://forum.yunohost.org/u/tittouille)\ **Replies:** 7\ **Last updated:** [May 14, 2020, 5:37pm UTC](https://forum.yunohost.org/t/conflit-entre-son-propre-sous-domaine-un-sous-domaine-ynh-fr/11417 "2020-05-14T17:37:48Z")
Bonjour, Suite à une installation hier, je suis tombé sur un soucis qui peut-être mérite d’être rapporté. Je précise que le soucis viens peut-être de moi (fausses manips, méconnaissance, etc), sachant que je débute à p… --- ## [Chroot SFTP for standard users](https://forum.yunohost.org/t/chroot-sftp-for-standard-users/11374)
**Author:** [@moutonjr1](https://forum.yunohost.org/u/moutonjr1)\ **Replies:** 3\ **Last updated:** [May 10, 2020, 7:46am UTC](https://forum.yunohost.org/t/chroot-sftp-for-standard-users/11374 "2020-05-10T07:46:46Z")
Hi team: One useful feature would be to enable chroot+sftp force for yunohost users ; this could enable them to connect without the risk of overpass their use cases. In my server, I as full admin should be the only one… --- ## [URL check =\> Error when checking if available](https://forum.yunohost.org/t/url-check-error-when-checking-if-available/11186)
**Author:** [@Krakinou](https://forum.yunohost.org/u/Krakinou)\ **Replies:** 3\ **Last updated:** [May 3, 2020, 10:00pm UTC](https://forum.yunohost.org/t/url-check-error-when-checking-if-available/11186 "2020-05-03T22:00:45Z")
Hello, It seems that yunohost doesn’t check correctly the URL before rejecting it: yunohost app install /home/nicolas/calibreweb\_ynh DANGER! Cette application ne fait pas partie du catalogue d'applications de Yunohost.… --- ## [Ldap Environment mapsize limit reached](https://forum.yunohost.org/t/ldap-environment-mapsize-limit-reached/10899)
**Author:** [@Bachy](https://forum.yunohost.org/u/Bachy)\ **Replies:** 4\ **Last updated:** [April 12, 2020, 12:44am UTC](https://forum.yunohost.org/t/ldap-environment-mapsize-limit-reached/10899 "2020-04-12T00:44:01Z")
j’ai atteinds la taille limite par defaut de la base ldap (300+ users) slapd me dit Environment mapsize limit reached en théorie je suis sensé pouvoir rajouter maxsize 4294967296 dans /etc/ldap/slapd.conf puis syste… --- ## [Issues with actions and config-panel features](https://forum.yunohost.org/t/issues-with-actions-and-config-panel-features/9773)
**Author:** [@Maniack\_Crudelis](https://forum.yunohost.org/u/Maniack_Crudelis)\ **Replies:** 10\ **Last updated:** [January 30, 2020, 9:48am UTC](https://forum.yunohost.org/t/issues-with-actions-and-config-panel-features/9773 "2020-01-30T09:48:35Z")
Sorry Aleks that I got rid of the template, it does not apply here. So @Bram @Bram @Bram @Bram @Bram @Bram @Bram @Bram, if I can’t summon you that way, I don’t know how to do it… Here the issues I have with config-pane… --- ## [Two Factor Authentication](https://forum.yunohost.org/t/two-factor-authentication/9675)
**Author:** [@pintman](https://forum.yunohost.org/u/pintman)\ **Replies:** 2\ **Last updated:** [November 28, 2019, 7:43pm UTC](https://forum.yunohost.org/t/two-factor-authentication/9675 "2019-11-28T19:43:47Z")
Is it possible to use Two-Factor-Authentication in Yunohost? Maybe by using apps like google authenticator or one-time-password-lists? Thanks for help. --- ## [Panne infra YunoHost bloque le renouvellement des certificats TLS](https://forum.yunohost.org/t/panne-infra-yunohost-bloque-le-renouvellement-des-certificats-tls/9628)
**Author:** [@mathilde](https://forum.yunohost.org/u/mathilde)\ **Replies:** 3\ **Last updated:** [November 24, 2019, 11:29pm UTC](https://forum.yunohost.org/t/panne-infra-yunohost-bloque-le-renouvellement-des-certificats-tls/9628 "2019-11-24T23:29:51Z")
Bonjour, Je reprends la discussion lancée ici par @JocelynD Problème sur l'infrastructure YunoHost FR/EN: On remarque du fait des récentes pannes subies sur votre infrastructure que le renouvellement des certificats TL… --- ## [Pourquoi ne pas utiliser le backport pour PHP?](https://forum.yunohost.org/t/pourquoi-ne-pas-utiliser-le-backport-pour-php/8630)
**Author:** [@jodumont](https://forum.yunohost.org/u/jodumont)\ **Replies:** 2\ **Last updated:** [August 1, 2019, 8:47pm UTC](https://forum.yunohost.org/t/pourquoi-ne-pas-utiliser-le-backport-pour-php/8630 "2019-08-01T20:47:12Z")
Pourquoi Yunohost n’est pas compatible avec PHP7.x et y ? Pourquoi Yunohost ne tente pas d’utiliser le backport de PHP et ainsi permettre d’avoir différente version de PHP pour différente applications ? HestiaCP le gèr… --- ## [Implement Openldap TLS on YunoHost](https://forum.yunohost.org/t/implement-openldap-tls-on-yunohost/8459)
**Author:** [@yalh76](https://forum.yunohost.org/u/yalh76)\ **Replies:** 3\ **Last updated:** [July 26, 2019, 11:55pm UTC](https://forum.yunohost.org/t/implement-openldap-tls-on-yunohost/8459 "2019-07-26T23:55:29Z")
To implement ldap authentication for Mastodon, it needs TLS. Actually YunoHost OpenLDAP doesn’t support TLS After hours, I found the way to enable TLS. Based on https://www.nicolas-housset.fr/mise-en-place-dun-serveur… --- ## [Password recover feature](https://forum.yunohost.org/t/password-recover-feature/7317)
**Author:** [@\_maxime](https://forum.yunohost.org/u/_maxime)\ **Replies:** 2\ **Last updated:** [March 7, 2019, 3:34pm UTC](https://forum.yunohost.org/t/password-recover-feature/7317 "2019-03-07T15:34:50Z")
Hello ! Is there a way to specify a “recover password” option in Yunohost? It would be really great if an option to recover a password (either with a backup email address or a security question - or other) existed. It u… [Next page](https://forum.yunohost.org/c/contribute-room/core-dev/24.md?page=1)