W: GPG error: http://ppa.launchpad.net/ oneiric Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY D53AE39309257C1B


Bagi teman-teman  yang mau update lewat terminal :~$ sudo apt-get update[sudo] password for luke:
Ign http://dl.google.com/ stable InRelease
Get:1 http://dl.google.com/ stable Release.gpg [198 B]
Ign http://id.archive.ubuntu.com/ oneiric InRelease
…………………….bla..bla..bla.. dan terakhir nemuin :
Fetched 3,139 B in 39s (79 B/s)
Reading package lists… Done
W: GPG error: http://ppa.launchpad.net/ oneiric Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY D53AE39309257C1B==> berarti key No Pub key yang di atas belum di tambahkan, cara nambahinnya :~$ sudo apt-key adv –keyserver keyserver.ubuntu.com –recv-keys D53AE39309257C1B

Executing: gpg –ignore-time-conflict –no-options –no-default-keyring –secret-keyring /tmp/tmp.uz4l0wsyaW –trustdb-name /etc/apt/trustdb.gpg –keyring /etc/apt/trusted.gpg –primary-keyring /etc/apt/trusted.gpg –keyserver keyserver.ubuntu.com –recv-keys D53AE39309257C1B
gpg: requesting key 09257C1B from hkp server keyserver.ubuntu.com
gpg: key 09257C1B: public key “Launchpad PPA for Ahmad” imported
gpg: Total number processed: 1
gpg: imported: 1 (RSA: 1)

==> kemudian di update lagi :

~$ sudo apt-get update
==> jika sukses maka :

Fetched 3,139 B in 3min 15s (16 B/s) ==> waktu fetched
Reading package lists… Done ==> selesai reading package

nah.. itu sebagian dari permasalah yang ada ketika kita install software lewat terminal akan tetapi tidak 100% berjalan dengan lancar.. akibatnya ketika di Update masih ada permasalah pada No. Pub-Key.. itulah sedikit Corat-coret dari saya. Semoga Bermanfaat. Salam Freedom. (Tri Looke Darwanto)

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