jsarenik

#!/bin/sh

. /etc/tinitrc

HOSTNAME=$(cat /etc/hostname)
DOMAIN=$(cat /etc/dnsdomainname)
FQDN=$HOSTNAME.$DOMAIN
NETCONF=/etc/network/interfaces
IPV4=$(cat $NETCONF | sed -n 's/.*address //p')
IPV6=$(grep "up ifconfig venet0 add" $NETCONF | sed 's/^.*add //')

jsarenik

#!/bin/sh

DEV=$(ip route list | sed -n '/^default/s/.*dev \(\S\+\).*/\1/p')
IP=$(ip route list | sed -n '/^default/s/.*src \(\S\+\).*/\1/p')
ip address list dev $DEV | grep -m1 -o "$IP/[0-9]\+"

jsarenik

#!/bin/sh
#
# https://en.wikipedia.org/wiki/Caesar_cipher

KEY=${1:-3}
A=abcdefghijklmnopqrstuvwxyz
B=$(echo $A | cut -b${KEY}- | tr -d '\n'; echo $A | cut -b-$[KEY-1])
AU=$(echo $A | tr '[a-z]' '[A-Z]')
BU=$(echo $B | tr '[a-z]' '[A-Z]')

jsarenik

#include <stdio.h>

unsigned int reverse(unsigned char b) {
   b = (b & 0xF0) >> 4 | (b & 0x0F) << 4;
   b = (b & 0xCC) >> 2 | (b & 0x33) << 2;
   b = (b & 0xAA) >> 1 | (b & 0x55) << 1;
   return b;
}

int

jsarenik

Date: Sun, 14 Feb 2016 09:53:21 GMT
From: membership@sdf.org
Subject: [SDF] let SDF help GNU!

Want to take back the internet?
No, wait a second.  I'm serious.  Do you remember a thing called USENET?  Do
you remember how cool it was when you posted something and someone at
hawaii.edu or telebit.com responded?  GNU Social is reviving this idea.  Much
of the internet for the general public these days is not only just focused
on http/https but a key number of central sites.  When SDF was (uh, it still

jsarenik

#!/bin/sh
#
# https://tunnelbroker.net/tunnel_detail.php?tid=$TID

TID=1234567
HEUSER=login
HEPASS=Update_Key_from_Tunnel_Details/Advanced
CHECK_DNS=you.dns.he.dynamically.updated.domain
URL="https://$HEUSER:$HEPASS@ipv4.tunnelbroker.net/nic/update?hostname=$TID"

jsarenik

#!/bin/sh

git branch --merged | grep -v "^\*\|master" | xargs -r -n 1 git branch -d

jsarenik

#!/bin/bash

ifthere() {
    for cmd in "$@"
    do
        type ${cmd%% *} >/dev/null 2>&1 && { $cmd || continue; return $?; }
    done
}

usage() {

jsarenik

#!/bin/sh

for i in $*
do
  grep -v '^#' $i | sed '/^$/d'
done

jsarenik

#!/bin/sh

setxkbmap ${1:-'dvorak'}

setxkbmap -option ""
xmodmap - <<EOF
! for help, see $ xmodmap -grammar

!in /etc/X11/xorg.conf.d/20-keyboard.conf
! or by running setxkbmap -option "ctrl:nocaps"