Sorry Akonadi, I Have to Stop You :|

  • Posted on: 10 June 2016
  • By: oon
Akonadi

Akonadi sebagai penyimpan data PIM (Personal Information Management) pengguna KDE, dalam hal ini saya pengguna Kubuntu, menggunakan backend MySQL secara bawaan. Sayangnya pemilihan backend tersebut menyebabkan Akonadi termasuk salah satu aplikasi yang banyak menyita resource, terutama bagi saya, yang menggunakan Kubuntu di tablet XPS 9250.

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Django Edit or Delete Permission

  • Posted on: 18 April 2016
  • By: oon
Django Edit or Delete Permission

If you add Permission in Django via Meta or programatically [1], then you realized that you need to edit or even delete the permission.

How to edit or delete Permissions?

If you are really sure you want to edit or delete it with any risk, you can add Permission to your admin page. [2]

from django.contrib.auth.models import Permission
admin.site.register(Permission)

and of course you should change (or delete it) first on your model or code.

Get HTTPS with Free SSL/TLS from Let's Encrypt

  • Posted on: 11 March 2016
  • By: oon
Free, Automated, Open Certificate Authority Let's Encrypt

who doesn't love free stuff? yea, now you can get HTTPS for free with SSL/TLS certificate from Let's Encrypt.

btw, Let's Encrypt client now become certbot [1][2].

oh anyway, here's my command line to generate certificate manually (prepare the challenge response first before getting the certificate verification) for multiple sub-domains[3].

git clone https://github.com/certbot/certbot.git

Disk Image Copy or Clone with dd Command on Linux and MacOS

  • Posted on: 7 February 2016
  • By: oon

dd -- convert and copy a file

(quoted from: man dd)

aplikasi dd bisa digunakan untuk mengopi satu harddisk sebagai sebuah image, dalam artinya data dari harddisk tersebut di-copy secara block bukan dibaca dari file per file (tidak membaca filesystem-nya).

kadang orang sering bingung file image dari sebuah harddisk itu apa sih? tentukan bukan image dalam artian gambar.

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