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Selçuk Karakayalı karakays

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karakays / gpg.md
Last active July 12, 2022 07:56

GNU Privacy Guard

GPG keychain

master key and subkeys

Key identities

key id vs key fingerprint why key is identified by last 8 digits of its finger print (and not first for instance?)

@karakays
karakays / vim.md
Last active November 17, 2021 18:03
vim cheat sheet

Windows

MOD Ctrl-w

" move current window to far right
L
" move current window to far left
H
" move current window to very bottom

J

@karakays
karakays / kafka-clients.md
Last active January 22, 2022 11:37

Tools

Config

kafkacat

echo "bootstrap.servers=127.0.0.1:9092" > ~/.config/kafkacat.conf
@karakays
karakays / bash.md
Last active June 1, 2021 20:42

My favorite GNU coreutils/bash commands

ls

  • follow symlinks (file or directory)
    ls -L winhome/

tr

  • translate, delete or squeeze characters
    tr [char1] [char2]
@karakays
karakays / mercurial.md
Last active July 5, 2019 06:19
Mercurial cheatsheet

basic flow

hg add a b
hg commit a -m "added a" # commit specific file
hg push

discard local changes

hg revert file # revert file
hg revert --all

log recent commits

@karakays
karakays / openssl.md
Last active April 8, 2019 12:23
Common OpenSSL commands

Generate a new private key and Certificate Signing Request

openssl req -out CSR.csr -new -newkey rsa:2048 -nodes -keyout privateKey.key

Generate a self-signed certificate (see How to Create and Install an Apache Self Signed Certificate for more info)

openssl req -x509 -sha256 -nodes -days 365 \
-newkey rsa:2048 -keyout privateKey.key \
-out certificate.crt
@karakays
karakays / git.md
Last active May 8, 2021 13:06
git-workflows

Complex workflows in git

Undoing git rm

$ git status
Changes to be committed:     
deleted:    file

Unstage file
$ git reset -- file

@karakays
karakays / tmux.md
Last active April 7, 2020 12:43 — forked from andreyvit/tmux.md
tmux cheatsheet

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Clients, sessions, windows, panes

tmux-server manages

  • Session is a set of windows, plus a notion of which window is current.
@karakays
karakays / keybase.md
Last active April 19, 2019 11:22

Keybase proof

I hereby claim:

  • I am karakays on github.
  • I am karakays (https://keybase.io/karakays) on keybase.
  • I have a public key whose fingerprint is E173 7ECB 4384 D56A 694B E02F 0B7D 8235 0CE9 E2A6

To claim this, I am signing this object: