Sorry. Why 1 laptop trisquel 8 has only one linux-source, but other - 4 ones.
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# apt-get update
Сущ:1 http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu xenial
InRelease
Сущ:2 https://archive.trisquel.info/trisquel flidas InRelease
Пол:3 https://archive.trisquel.info/trisquel flidas-security InRelease
[4 898 B]
Пол:4 https://archive.trisquel.info/trisquel flidas-security/main Sources
[178 kB]
Пол:5 https://archive.trisquel.info/trisquel flidas-security/main amd64
Packages [684 kB]
Пол:6 https://archive.trisquel.info/trisquel flidas-security/main i386
Packages [681 kB]
Получено 1 547 kБ за 3с (449 kБ/c)
Чтение списков пакетов… Готово
# apt-cache search linux-source
linux-source-4.4.0 - Linux-libre kernel source for version 4.4.0
# lsb_release -a
No LSB modules are available.
Distributor ID: Trisquel
Description: Trisquel GNU/Linux 8.0, Flidas
Release: 8.0
Codename: flidas
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