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Renew GPG key Once your key is expired, you need to renew your key in order to use it again. Your master key has two part: [SC] and [E], the sign+certify and encrypt keys. You need to renew both. First check your master key by the following command. $ gpg -K Here is output: [keyboxd] --------- sec rsa3072 2024-01-01 [SC] [expires: 2025-01-01] <KEYID> uid [ultimate] John Snow (Targaryen) <example@mail.com> ssb rsa3072 2024-01-01 [E] [expires: 2025-01-01] Here the key is created on 2024-01-10 and expire a year later. Now let’s renew this key for another year. ...

reference https://github.com/koreader/koreader https://koreader.rocks/user_guide/ https://kindlemodshelf.me

pacman doesn’t update Usually, it’s because of the mirrorlist. All you need to do is to update the mirrorlist according to the country you’re in. For example, if you’re in France: $ sudo reflector --country France --sort rate --save /etc/pacman.d/mirrorlist $ sudo pacman -Syyu

I am building the habit of reading books. Mainly I read fantasy novel. Here are the list of books I have read for the following years: Mistborn: The Final Empire, Brandon Sanderson Mistborn: The Well of Ascension, Brandon Sanderson Mistborn: The Hero of Ages, Brandon Sanderson Currently reading The Way of Kings, Brandon Sanderson Kobo the eReader The best way is to install Calibre How to add the screensaver First plug your Kobo to your computer, go to the partition that is mounted to your computer. Then ...

I am a student at Sorbonne Université majoring in Mathematics. Currently, I am doing my first year Masters degree there. You can look at my CV Below are my past experiences: Education (2024-now) Masters of mathematics at Sorbonne Université (2020-2024) Bachelor of mathmetics at Royal Universite of Phnom Penh (RUPP). (before that - 2020) BaccII at a public highschool in my Province Reading and Learning outside class: with Professor R. Halburd: we have read some amount of Complex Analysis, Fourier Series, Measure Theory, and a little bit of Nevanlinna Theory with Vanny Khon: we have read Machine Learning, Elliptic curve, Abstract Algebra, Complex Analysis. with Techheang Meng: He has taught me Real Analysis, Complex Analysis, Linear Algebra, Number Theory, Differential Geometry. Events and Conferences attended: (5 Oct, 24) Forum Entreprises et Mathématiques. (12-22 Jun, 23) Seams School on Number Theory and Applications, Ho Chi Minh (13-17 Feb, 23) Data Analytics Camp by Unesco Unitwin, Phnom Penh (5-16 Sep, 23) Summer School on Algorithms and Programming in Python, Sep 5-16, 2022 Phnom Penh Tech Wiz I mostly use open source softwares, this is just my nature though. Below are the list of programs that I use: ...