====Dépendances des applications====
^ Application ^ Option ^
| ''atop'' | ''CONFIG_BSD_PROCESS_ACCT'' |
| ''iotop'' | ''CONFIG_VM_EVENT_COUNTERS'' |

====Dépendances du matériel====
Logitech C270: ''SND_USB_AUDIO'', ''MEDIA_USB_SUPPORT'', ''MEDIA_CAMERA_SUPPORT'', ''MEDIA_CONTROLLER'', ''USB_F_UVC'', ''USB_VIDEO_CLASS'', ''VIDEO_V4L2'', ''V4L_PLATFORM_DRIVERS'', ''USB_VIDEO_CLASS_INPUT_EVDEV'', ''USB_GSPCA''. [[https://lists.gt.net/gentoo/user/295899|webcam on Gentoo Logitech C270]] {{ :linux:kernel:mailing_list_archive_webcam_on_gentoo_logitech_c270_2019-12-13_3_27_56_pm_.html |Archive du 21/12/2014 le 13/12/2019}}

====sysctl====
Fichier : ''/etc/sysctl.conf''

 * Permet d'activer les [[linux:dump|dump]] des applications qui plantent.

 * Augmenter les limites du système
    * Pouvoir ouvrir plus de 1024 fichiers à la fois. Erreur : ''errno:24 Too many open files''. Ajouter à ''sysctl.conf'' :
<code>
fs.file-max = 1000000
</code>

[[https://stackoverflow.com/questions/30023574/how-to-fix-too-many-open-files-error-when-aggregating-billions-of-records|How to fix too many open files error when aggregating billions of records]] {{ :linux:kernel:linux_-_how_to_fix_too_many_open_files_error_when_aggregating_billions_of_records_-_stack_overflow_2019-12-13_3_21_31_pm_.html |Archive du 04/05/2015 le 13/12/2019}}