jiahut

#!/bin/bash

set -o errexit # set -e
set -o pipefail

# https://superuser.com/questions/100288/how-can-i-check-the-integrity-of-a-video-file-avi-mpeg-mp4

OPTIONS=dio:v
LONGOPTS=debug,info,output:,verbose

jiahut

docker

docker run --name aria -d -p 6800:6800 -p 80:80 -v /mnt/sg/aria2_data:/data jiahut/aria2-ui:1

tools on debian

apt install net-tools -y

aria2 docker

jiahut

say -v ? say -v Alex 'I love this game'

jiahut

user groups basic

groups

usermod -a -G wheel admin

https://superuser.com/questions/547966/whats-the-difference-between-adduser-and-useradd

ls -l $(which adduser)

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centos

yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm

yum install -y ansible

ubuntu

apt update && apt install software-properties-common dirmngr -y

jiahut

using Ansible command line:

ansible-playbook --connection=local 127.0.0.1, playbook.yml

using with sudo privileges

ansible-playbook -i localhost, install-docker-ce-centos.yaml -K

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# gem install pcap
require 'pcaplet'


class BWHost 

	attr_reader :ip
	
	def initialize(ip)
		@ip = ip

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install

pip install gists.cli

usage

create

gists -c

jiahut

package com.github.jiahut

import jenkins.model.Jenkins;
import hudson.remoting.*;
import jenkins.security.MasterToSlaveCallable;
import org.jenkinsci.remoting.RoleChecker;
import java.util.*;

public final class GetSystemProperties extends MasterToSlaveCallable<Properties,RuntimeException> {
    public Properties call() {

jiahut

$! 最近一次的错误信息

$@ 错误产生的位置

$_ get最近读的字符串

$. 解释器最近读的数

$& 最近一次与正则表达式匹配的字符串