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Last active January 3, 2026 07:23
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Install Cosmic Desktop for Ubuntu, Debian Sid, and Alt Linux.
Raw
INSTALL.md

INSTALLATION GUIDE

Download packages

We borrow rpm packages from fedora 41, because we won't build all components ourselves. Download all packages using wget !

$ wget -ci packages.txt

for the alternative, we can use a script.

$ bash packages_downloader.sh

Extract packages

After all packages are downloaded, we can extract it usng rpm and cpio.

$ for rpm in *.rpm; do rpm2cpio $rpm | cpio -idm; done

Copy all extracted files and directories

After we extract all packages, we will get usr and etc directory. We can copy all files under usr and etc to /usr and /etc.

$ sudo cp -r usr/* /usr/
$ sudo cp -r etc/* /etc/

Launch Cosmic desktop

Now launch Cosmic desktop with your prefered display manager, I use tbsm personally and it works great.

Raw
packages.txt
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08745119-pop-launcher/pop-launcher-1.2.3^git20250309.926abeb-1.fc42.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08875422-cosmic-bg/cosmic-bg-1.0.0~alpha.6^git20250408.d41c850-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08831553-cosmic-osd/cosmic-osd-1.0.0~alpha.6^git20250328.7686175-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08862203-cosmic-comp/cosmic-comp-1.0.0~alpha.6^git20250404.99bbd10-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08748847-cosmic-idle/cosmic-idle-1.0.0~alpha.6^git20250225.267bb83-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08824994-cosmic-panel/cosmic-panel-1.0.0~alpha.6^git20250326.bf028e2-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08748841-cosmic-randr/cosmic-randr-1.0.0~alpha.6^git20250220.c247019-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08853993-cosmic-files/cosmic-files-1.0.0~alpha.6^git20250402.995e149-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08875429-cosmic-session/cosmic-session-1.0.0~alpha.6^git20250408.be18d37-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08875425-cosmic-greeter/cosmic-greeter-1.0.0~alpha.6^git20250408.2d25430-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08831558-cosmic-applets/cosmic-applets-1.0.0~alpha.6^git20250328.6b47c3b-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08831555-cosmic-settings/cosmic-settings-1.0.0~alpha.6^git20250328.1e5aaad-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08875426-cosmic-launcher/cosmic-launcher-1.0.0~alpha.6^git20250408.e105fd1-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08822181-cosmic-icon-theme/cosmic-icon-theme-1.0.0~alpha.6^git20250321.0b2aed4-2.noarch.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08748835-cosmic-screenshot/cosmic-screenshot-1.0.0~alpha.6^git20250114.10a564d-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08870877-cosmic-workspaces/cosmic-workspaces-1.0.0~alpha.6^git20250407.ca23d3a-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08824996-cosmic-app-library/cosmic-app-library-1.0.0~alpha.6^git20250326.d14d98a-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08875427-cosmic-notifications/cosmic-notifications-1.0.0~alpha.6^git20250408.8eae7e0-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08861325-cosmic-settings-daemon/cosmic-settings-daemon-1.0.0~alpha.6^git20250328.4a64bba-2.x86_64.rpm
https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64/08831557-xdg-desktop-portal-cosmic/xdg-desktop-portal-cosmic-1.0.0~alpha.6^git20250328.874a9af-2.x86_64.rpm
Raw
packages_downloader.sh
#!/bin/bash
export URL=https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-42-x86_64
packages=(
$URL/08745119-pop-launcher/pop-launcher-1.2.3^git20250309.926abeb-1.fc42.x86_64.rpm
$URL/08875422-cosmic-bg/cosmic-bg-1.0.0~alpha.6^git20250408.d41c850-2.x86_64.rpm
$URL/08831553-cosmic-osd/cosmic-osd-1.0.0~alpha.6^git20250328.7686175-2.x86_64.rpm
$URL/08862203-cosmic-comp/cosmic-comp-1.0.0~alpha.6^git20250404.99bbd10-2.x86_64.rpm
$URL/08748847-cosmic-idle/cosmic-idle-1.0.0~alpha.6^git20250225.267bb83-2.x86_64.rpm
$URL/08824994-cosmic-panel/cosmic-panel-1.0.0~alpha.6^git20250326.bf028e2-2.x86_64.rpm
$URL/08748841-cosmic-randr/cosmic-randr-1.0.0~alpha.6^git20250220.c247019-2.x86_64.rpm
$URL/08853993-cosmic-files/cosmic-files-1.0.0~alpha.6^git20250402.995e149-2.x86_64.rpm
$URL/08875429-cosmic-session/cosmic-session-1.0.0~alpha.6^git20250408.be18d37-2.x86_64.rpm
$URL/08875425-cosmic-greeter/cosmic-greeter-1.0.0~alpha.6^git20250408.2d25430-2.x86_64.rpm
$URL/08831558-cosmic-applets/cosmic-applets-1.0.0~alpha.6^git20250328.6b47c3b-2.x86_64.rpm
$URL/08831555-cosmic-settings/cosmic-settings-1.0.0~alpha.6^git20250328.1e5aaad-2.x86_64.rpm
$URL/08875426-cosmic-launcher/cosmic-launcher-1.0.0~alpha.6^git20250408.e105fd1-2.x86_64.rpm
$URL/08822181-cosmic-icon-theme/cosmic-icon-theme-1.0.0~alpha.6^git20250321.0b2aed4-2.noarch.rpm
$URL/08748835-cosmic-screenshot/cosmic-screenshot-1.0.0~alpha.6^git20250114.10a564d-2.x86_64.rpm
$URL/08870877-cosmic-workspaces/cosmic-workspaces-1.0.0~alpha.6^git20250407.ca23d3a-2.x86_64.rpm
$URL/08824996-cosmic-app-library/cosmic-app-library-1.0.0~alpha.6^git20250326.d14d98a-2.x86_64.rpm
$URL/08875427-cosmic-notifications/cosmic-notifications-1.0.0~alpha.6^git20250408.8eae7e0-2.x86_64.rpm
$URL/08861325-cosmic-settings-daemon/cosmic-settings-daemon-1.0.0~alpha.6^git20250328.4a64bba-2.x86_64.rpm
$URL/08831557-xdg-desktop-portal-cosmic/xdg-desktop-portal-cosmic-1.0.0~alpha.6^git20250328.874a9af-2.x86_64.rpm
)
# echo ${packages[*]}
for package in ${packages[*]}
do
wget -c $package
done
@davidecavestro
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davidecavestro commented Oct 3, 2025 •
edited
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I've just shared a POSIX compliant shell script converted from @ashimokawa php one, which downloads and optionally installs
beta packages from https://download.copr.fedorainfracloud.org/results/ryanabx/cosmic-epoch/fedora-43-x86_64/

@MarcusElevait
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MarcusElevait commented Jan 2, 2026

@davidecavestro your script gives me errors:
awk: line 18: syntax error at or near , awk: line 22: syntax error at or near , awk: line 24: syntax error at or near ,

@davidecavestro
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davidecavestro commented Jan 3, 2026 •
edited
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@davidecavestro your script gives me errors: awk: line 18: syntax error at or near , awk: line 22: syntax error at or near , awk: line 24: syntax error at or near ,

uhm, I just tested it with bash... I've just modified the shebang forcing it to use Bash like this

#!/usr/bin/env bash

EDIT: So it is probably not as POSIX-compliant as I thought.

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