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Keybase proof

I hereby claim:

  • I am kiela on github.
  • I am kamilkieliszczyk ( on keybase.
  • I have a public key whose fingerprint is E0AB 45B1 CB04 F2D4 E98F 2F41 4194 4F7D 0010 B692

To claim this, I am signing this object:

kiela / commit-msg
Last active Dec 31, 2015
Add branch name at the beginning of commit message if branch name starts with WEB or OP or SEC or FM
View commit-msg
branch=$(git symbolic-ref HEAD | awk -F/ '{ if($3 ~ /^(WEB|OP|DEVOPS|SEC|FM|PS|DAT|AD)-[[:digit:]]/) print $3 }' | awk -F"_" '{ if($1) print $1 }')
if [ -n "$branch" ]; then
sed -i "1 s/^/$branch: /" $1
sed -i '/'$branch\:'/a \\nIssue:'$branch $1
View unchangeable
# validator
class UnchangeableValidator < ActiveModel::EachValidator
def validate_each(object, attribute, value)
if !object.new_record? && value.present?
original = object.class.send(:where, "id = #{}").select("id, #{attribute.to_s}").first
if original.send(attribute) != value
object.errors[attribute] << (options[:message] || "cannot be changed once assigned")
kiela / zfs
Last active Jul 4, 2018
HOWTO: Hetzner + FreeBSD 10.3 + mirrored root ZFS mountpoint optimized for 4K drives
View zfs
[root@rescue ~]# kldload zfs
[root@rescue ~]# sysctl kern.geom.label.gptid.enable=0
kern.geom.label.gptid.enable: 1 -> 0
[root@rescue ~]# gpart destroy -F nvd0
nvd0 destroyed
[root@rescue ~]# gpart destroy -F nvd1
nvd1 destroyed
# Getting "gpart: arg0 'nvdN': Invalid argument" is alright as it means that there was no partition table on the disk anyway.
[root@rescue ~]# gpart create -s gpt nvd0
kiela / active_record_extension.rb
Created Apr 8, 2013
Some ActiveRecord extensions which are helpful for me in a couple of projects
View active_record_extension.rb
module ActiveRecordExtension
extend ActiveSupport::Concern
module ClassMethods
def from_current(period, options = { column: 'created_at' })
raise "Invalid options in #{self.to_s}\##{__method__.to_s}" unless [:year, :quarter, :month, :week, :day].include? period
start_method = "beginning_of_#{period.to_s}"
end_method = "end_of_#{period.to_s}"
kiela / ubuntu_12.04_notifyosdconfiguration
Last active Dec 15, 2015
HOWTO install notify osd configuration tool on Ubuntu 12.04 LTS
View ubuntu_12.04_notifyosdconfiguration
kiela@rico ~$ uname -a
Linux rico 3.2.0-39-generic #62-Ubuntu SMP Thu Feb 28 00:28:53 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
kiela@rico ~$ sudo add-apt-repository ppa:leolik/leolik
kiela@rico ~$ sudo apt-get update
kiela@rico ~$ sudo apt-get upgrade
kiela@rico ~$ sudo apt-get install libnotify-bin
kiela@rico ~$ pkill notify-osd
kiela@rico ~$ sudo add-apt-repository ppa:nilarimogard/webupd8
kiela@rico ~$ sudo apt-get update
kiela@rico ~$ sudo apt-get install notifyosdconfig
kiela / ZFS_geli_freebsd
Last active Nov 21, 2020
Simple HOWTO of creation an encrypted ZFS pool under FreeBSD using geli + 256-bit AES-XTS encryption + a 4 kb random data partial key and a secondary passphrase (required to type on each boot).
View ZFS_geli_freebsd
root@rizzo ~$ uname -a
FreeBSD 9.1-RELEASE FreeBSD 9.1-RELEASE #0: Wed Mar 13 21:02:32 CET 2013 amd64
root@rizzo ~$ kldload opensolaris
root@rizzo ~$ kldload zfs
root@rizzo ~$ kldload geom_eli
root@rizzo ~$ gpart destroy -F da0
da0 destroyed
root@rizzo ~$ gpart create -s gpt da0
da0 created
root@rizzo ~$ gpart add -t freebsd-zfs -a 4096 da0