w
: show who is logged on and what they are doingwho
: show who is logged ontty
: show current users pseudo terminalps -ft pts/1
: get process id for the pseudo terminalpkill
: signal process based on name and other attributes
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#!/bin/sh | |
# Requires: audiowaveform (https://github.com/bbc/audiowaveform), metaflac, sox | |
zoom_start=60 | |
zoom_duration=4 | |
zoom_end=$((zoom_start + zoom_duration)) | |
if [ $# -lt 1 ] || [ "$1" == "--help" ] || [ "$1" == "-h" ]; then | |
echo "Generates spectrogram and waveform images from flac files" |
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#!/usr/bin/python | |
# -*- coding: utf-8 -*- | |
# | |
# DUAL LICENSED: You are free to choose either or both of below licenses: | |
# | |
# 1. | |
# | |
# Published by zhuyifei1999 (https://wikitech.wikimedia.org/wiki/User:Zhuyifei1999) | |
# under the terms of Creative Commons Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) | |
# https://creativecommons.org/licenses/by-sa/3.0/ |
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# Source: | |
# https://www.cloudflare.com/ips | |
# https://support.cloudflare.com/hc/en-us/articles/200169166-How-do-I-whitelist-CloudFlare-s-IP-addresses-in-iptables- | |
for i in `curl https://www.cloudflare.com/ips-v4`; do iptables -I INPUT -p tcp -m multiport --dports http,https -s $i -j ACCEPT; done | |
for i in `curl https://www.cloudflare.com/ips-v6`; do ip6tables -I INPUT -p tcp -m multiport --dports http,https -s $i -j ACCEPT; done | |
# Avoid racking up billing/attacks | |
# WARNING: If you get attacked and CloudFlare drops you, your site(s) will be unreachable. | |
iptables -A INPUT -p tcp -m multiport --dports http,https -j DROP |
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$ ffmpeg -i input.mp4 -vcodec h264 -acodec mp2 output.mp4 |
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阿爸 a1'ba4 18137 | |
阿昌族 a1'chang1'zu2 50849 | |
阿斗 a1'dou3 42632 | |
阿飞 a1'fei1 48603 | |
阿富汗 a1'fu4'han4 3461 | |
阿訇 a1'hong1 34432 | |
阿拉伯数字 a1'la1'bo2'shu4'zi4 35937 | |
阿拉伯语 a1'la1'bo2'yu3 30476 | |
阿妈 a1'ma1 16220 |