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Ubuntu, gagal update karena "The following signatures couldn't be verified"

Posted by Prayitna Kuswidianta on July 10th, 2015

Ubuntu gagal update dengan pesan "The following signatures couldn't be verified"

# sudo apt-get update

Ign http://repo.zabbix.com precise/main Translation-en_US
Ign http://repo.zabbix.com precise/main Translation-en
Fetched 13.3 kB in 5s (2,570 B/s)
Reading package lists... Done
W: GPG error: http://repo.zabbix.com precise Release: The following signatures c ouldn't be verified because the public key is not available: NO_PUBKEY D13D58E47 9EA5ED4

Apakah yang harus dilakukan?

Pesan error diatas dapat dibaca bahwa :

1. Dalam server ubuntu terdapat repositori tambahan, yatu dari repo.zabbix.com

2. Repo zabbix tersebut baru atau terjadi perubahan

Untuk tindak lanjut yang diperlukan adalah mendaftarkan keynya saja

# sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys D13D58E479EA5ED4
Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /tmp/tmp.mIOT6RaNrC --trustdb-name /etc/apt/trustdb.gpg --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyserver keyserver.ubuntu.com --recv-keys D13D58E479EA5ED4
gpg: requesting key 79EA5ED4 from hkp server keyserver.ubuntu.com
gpg: key 79EA5ED4: public key "Zabbix SIA <packager@zabbix.com>" imported
gpg: Total number processed: 1
gpg: imported: 1

Lakukan update lagi dan insya Allah akan berhasil

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