Unable to install Elasticsearch - problem with public key

Elastic Stack Elasticsearch
1

Dear Elastic Community,

I installed Ubuntu on my PC through virtual Box and I am trying to install / explore Elastic.

When in entered following command: sudo apt-get update && sudo apt-get install elasticsearch

I got this error “ **r:3 http://cdn-fastly.deb.debian.org/debian jessie-backports InRelease

The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010 ”

By doing some search, I found that it could be solved by executing these two commands:

gpg --keyserver pgpkeys.mit.edu --recv-key 8B48AD6246925553

gpg -a --export 8B48AD6246925553 | apt-key add –

unfortunately, I cannot execute the second command as I am getting an error message although I added SUDO in the beginning

WARNING: unsafe ownership on homedir '/home/khalid/.gnupg'

E: This command can only be used by root.

Thank you in advance for your help

Khalid

2

What documentation did you follow for installation of Elasticsearch? You should be using https://www.elastic.co/guide/en/elasticsearch/reference/6.4/deb.html

3

hello Warklom
than you for your answer.
i followed official user guide on elastic website.
i executed following instruction :

wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -
sudo apt-get install apt-transport-https
echo "deb https://artifacts.elastic.co/packages/6.x/apt stable main" | sudo tee -a /etc/apt/sources.list.d/elastic-6.x.list
sudo apt-get update && sudo apt-get install elasticsearch

this the complete message that i got :

Get:1 http://security.ubuntu.com/ubuntu bionic-security InRelease [83,2 kB]
Hit:2 http://fr.archive.ubuntu.com/ubuntu bionic InRelease
Hit:3 http://fr.archive.ubuntu.com/ubuntu bionic-updates InRelease
Get:4 http://fr.archive.ubuntu.com/ubuntu bionic-backports InRelease [74,6 kB]
Get:5 http://cdn-fastly.deb.debian.org/debian jessie-backports InRelease [166 kB]
Ign:6 https://artifacts.elastic.co/packages/6.x/apt stable InRelease
Err:5 http://cdn-fastly.deb.debian.org/debian jessie-backports InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010
Ign:7 https://artifacts.elastic.co/packages/6.x/apt 6 InRelease
Hit:8 https://artifacts.elastic.co/packages/6.x/apt stable Release
Err:10 https://artifacts.elastic.co/packages/6.x/apt 6 Release
404 Not Found [IP: 184.73.245.233 443]
Reading package lists... Done
N: Ignoring file 'elastic.lis' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
W: GPG error: http://cdn-fastly.deb.debian.org/debian jessie-backports InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010
E: The repository 'http://http.debian.net/debian jessie-backports InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:2
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:2
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:2

4

This does not relate to our repo. You may want to check with one of the Debian forums.

5

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