when a man love(s) a woman...

HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\SshHostKeys
HKEY_USERS\S-1-5-21-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxx\Software\SimonTatham\PuTTY\SshHostKeys

1. rz
HOST(PC) → Target으로 파일 전송하는 경우 사용
rz¶
File → Transfer → ZMODEM → Send → 파일선택 후 열기 클릭

2. sz Target → HOST(PC)로 파일 전송하는 경우 사용
sz 파일명¶
File → Transfer → ZMODEM → Receive 선택
C:\Users\계정명\AppData\Local\VirtualStore\Program Files (x86)\teraterm\ 파일 저장됨 (Windows10기준)

File → Settings → Editor → Inspections → Spelling → Typo
Process code         체크해제
Process literals       체크해제
Process comments     체크해제

관리자페이지 접속방법
PC의 IP가 192.168.55.35 이면 192.168.55.1로 접속
ID: admin
암호: WAN주소뒤6자리_admin [7B153B_admin]

브릿지모드로 변경
[네트워크] → [WAN] 페이지에서 NAT를 브릿지로 변경 → [모뎀자동재시작]
이후 관리자 페이지 접속 불가

복구
초기화버튼을 핀으로 몇초간 꾸욱 눌렀다 떼면 원상태로 복구됨

01) Guest OS 바로가기 생성 virtualbox를 실행하지 않고, 바로 GuestOS를 실행시킬수 있는 방법
바탕화면 --> 마우스우클릭 --> 바로가기 만들기 ->
대상 "C:\Program Files\Oracle\VirtualBox\VBoxManage.exe" startvm Image_Name ->
  ex)"C:\Program Files\Oracle\VirtualBox\VBoxManage.exe" startvm "Ubuntu14.04"
시작위치 "C:\Program Files\Oracle\VirtualBox"
출처: http://blog.bagesoft.com/867

03) VirtualBox 가상디스크(.vdi) 사이즈 확장 시키기
환경: C:\Users\mjLee\VirtualBox VMs\Windows7\Windows7.vdi
C:\Program Files\Oracle\VirtualBox> VBoxManage modifyhd "C:\Users\mjLee\VirtualBox VMs\Windows7\Windows7.vdi" --resize 40960
==> 가상디스크의 형식이 고정크기인 경우
Progress state: VBOX_E_NOT_SUPPORTED
VBoxManage.exe: error: Resize medium operation for this format is not implemented yet! 
오류 메시지 발생

04) 가상 디스크 형식 변환
고정에서 동적으로 변환하는 명령
//VBoxManage.exe clonemedium disk "C:\path\to\source.vdi" "C:\path\to\destination.vdi" -variant Standard
Ex) C:\Program Files\Oracle\VirtualBox> VBoxManage.exe clonemedium disk "C:\Users\mjLee\VirtualBox VMs\Windows7\Windows7.vdi" "C:\Users\mjLee\VirtualBox VMs\Windows7_Variant\Windows7_Variant.vdi" -variant Standard
출처: http://slic.tistory.com/1381

 ※ 가상디스크의 사이즈 확장 실행

동적에서 고정으로 변환하는 명령
//VBoxManage.exe clonemedium disk "C:\path\to\source.vdi" "C:\path\to\destination.vdi" -variant Fixed
Ex) C:\Program Files\Oracle\VirtualBox> VBoxManage.exe clonemedium disk "C:\Users\mjLee\VirtualBox VMs\Windows7_Variant\Windows7_Variant.vdi" "C:\Users\mjLee\VirtualBox VMs\Windows7_Fixed\Windows7_Fixed.vdi" -variant Fixed

※ Oracle VM VirtualBox 실행 → 이미지선택 → 우클릭 → 설정 → 저장소 → 새로생성된 .vdi파일로 교체

가상OS: 제어판 → 시스템 및 보안 → 관리도구 → 하드 디스크 파티션 만들기 및 포맷 → C드라이브 선택 → 우클릭 → 볼륨확장 → 볼륨확장 마법사 시작 → 다음 → 다음 → 마침

virtual box에 기존 vdi 사용하기
새로만들기 → 이름(ex. Ubuntu14.04) → 다음 → 기존 가상 하드디스크 파일 사용→ 기존 vdi파일 복사 (위치: C:\Users\afewgood\VirtualBox VMs\Ubuntu14.04\ 복사)  → 기존vdi파일 불러오기

libpng warning: iCCP: known incorrect sRGB profile
포토샵 실행 --> 이미지파일(.png) 열기
편집(Edit) --> 프로파일 할당(Assign Profile)... --> 이 문서의 색상관리 안함(Don't Color Manage This Document) 선택

libpng warning: Interlace handling should be turned on when using png_read_image
https://pixlr.com/kr/e/ 사이트에서 PNG 파일 새로 저장

바로가기 만들기 ->
대상 "C:\Program Files\Oracle\VirtualBox\VBoxManage.exe" startvm "Image_Name"
  ex)"C:\Program Files\Oracle\VirtualBox\VBoxManage.exe" startvm "Ubuntu14.04"
시작위치 "C:\Program Files\Oracle\VirtualBox"

1. 개인키 생성
$ openssl genrsa -out private_key.pem -3 2048
  -3: Exponent 지정 기본값=65537
  2048: 키 길이
$ cat private_key.pem
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----

2. 개인키를 이용한 공개키 생성
$ openssl rsa -in private_key.pem -out public_key.pem -pubout
$ cat public_key.pem
-----BEGIN PUBLIC KEY-----
MIIBIDANBgkqhkiG9w0BAQEFAAOCAQ0AMIIBCAKCAQEA0jq/cYwTBOWZgQ/kX2L7
XjzKTRPPmJtw4I+UUErrUtGuMre+5J4Wikoa1QLwWj/EllR7x+rZRa5tCbKyQWxT
3TRGfbUUOMrpjDzIE9rrGK8gGat+e3OHTsOnk1tqRUeednSCVyTszOQomTjSQiTe
6UhCul4okAPHBgd6yeq8B/wjwFkSbFmMHtnpMTmbm8Iui70Cl3TJ0WEBnThwJCwy
c+jNZPJGOf0t6OaNmJGZ1aKKUZsQjXRvIR1v1PuvWWwfNquGaiX3iP0eHLprD9Aj
3O7p1OAd6StmRreKgM6awhGtJCkysJk2xdqvMuuDUuliPjSwZYGFtcw5Opm7Ir7G
ywIBAw==
-----END PUBLIC KEY-----

3. pem파일을 rsa der로 변환
$openssl rsa -pubin -text -in public_key.pem > out.pub
$ cat out.pub
Public-Key: (2048 bit)
Modulus:
    00:d2:3a:bf:71:8c:13:04:e5:99:81:0f:e4:5f:62:
    fb:5e:3c:ca:4d:13:cf:98:9b:70:e0:8f:94:50:4a:
    eb:52:d1:ae:32:b7:be:e4:9e:16:8a:4a:1a:d5:02:
    f0:5a:3f:c4:96:54:7b:c7:ea:d9:45:ae:6d:09:b2:
    b2:41:6c:53:dd:34:46:7d:b5:14:38:ca:e9:8c:3c:
    c8:13:da:eb:18:af:20:19:ab:7e:7b:73:87:4e:c3:
    a7:93:5b:6a:45:47:9e:76:74:82:57:24:ec:cc:e4:
    28:99:38:d2:42:24:de:e9:48:42:ba:5e:28:90:03:
    c7:06:07:7a:c9:ea:bc:07:fc:23:c0:59:12:6c:59:
    8c:1e:d9:e9:31:39:9b:9b:c2:2e:8b:bd:02:97:74:
    c9:d1:61:01:9d:38:70:24:2c:32:73:e8:cd:64:f2:
    46:39:fd:2d:e8:e6:8d:98:91:99:d5:a2:8a:51:9b:
    10:8d:74:6f:21:1d:6f:d4:fb:af:59:6c:1f:36:ab:
    86:6a:25:f7:88:fd:1e:1c:ba:6b:0f:d0:23:dc:ee:
    e9:d4:e0:1d:e9:2b:66:46:b7:8a:80:ce:9a:c2:11:
    ad:24:29:32:b0:99:36:c5:da:af:32:eb:83:52:e9:
    62:3e:34:b0:65:81:85:b5:cc:39:3a:99:bb:22:be:
    c6:cb
Exponent: 3 (0x3)
-----BEGIN PUBLIC KEY-----
MIIBIDANBgkqhkiG9w0BAQEFAAOCAQ0AMIIBCAKCAQEA0jq/cYwTBOWZgQ/kX2L7
XjzKTRPPmJtw4I+UUErrUtGuMre+5J4Wikoa1QLwWj/EllR7x+rZRa5tCbKyQWxT
3TRGfbUUOMrpjDzIE9rrGK8gGat+e3OHTsOnk1tqRUeednSCVyTszOQomTjSQiTe
6UhCul4okAPHBgd6yeq8B/wjwFkSbFmMHtnpMTmbm8Iui70Cl3TJ0WEBnThwJCwy
c+jNZPJGOf0t6OaNmJGZ1aKKUZsQjXRvIR1v1PuvWWwfNquGaiX3iP0eHLprD9Aj
3O7p1OAd6StmRreKgM6awhGtJCkysJk2xdqvMuuDUuliPjSwZYGFtcw5Opm7Ir7G
ywIBAw==
-----END PUBLIC KEY-----

CR(Carriage Return): 커서를 그줄의 맨앞으로, 0x0D[\r 표기]
LF(Line Feed): 커서를 한줄 밑으로, 0x0A[\n 표기]
CR과 LF를 합치면 일반적으로 사용하는 개행 문장 끝에서 다음 줄로 내리는 텍스트 에디터에서의
엔터키 역할을 수행.

DOS/WINDOWS: CR과 LF값을 동시에 사용, \r\n
UNIX/LINUX/MAC OS X: LF만 사용, \n
MACINTOSH(초기 맥운영체제): CR만 사용, \r