
자주 작업을 하지 않으니, 까먹는 경우가 많아서 스크랩을 해 놓습니다.
T568B : RJ45 Ethernet Cable Color
https://cablesupply.com/rj45-ethernet-wiring-color-guides/

$ sudo apt-get install openssl
$ sudo openssl genrsa –des3 -out keyname.key 2048
$ sudo openssl req –new –key keyname.key > csr.pem
// 또는
$ sudo openssl req –new –key keyname.key -out csr.pem$ sudo a2enmod ssl$ sudo openssl rsa -in keyname.key -out keyname_no_pass.key$ sudo ufw allow https<VirtualHost *:443>
ServerName domain.com
ServerAdmin name@email.com
ServerAlias www.domain.com *.domain.com
DocumentRoot /html/directory
<Directory /html/directory>
Options Indexes FollowSymLinks
AllowOverride None
Require all granted
</Directory>
SSLEngine on
SSLProtocol all -SSLv2 -SSLv3
SSLCipherSuite ALL:!ADH:!EXPORT:!SSLv2:RC4+RSA:+HIGH:+MEDIUM
SSLHonorCipherOrder on
# 인증서 파일 (5번)
SSLCertificateFile "/ssl_directory/cert.pem"
# 개인키 파일 (2번)
SSLCertificateKeyFile "/ssl_directory/keyname.key"
# 체인 인증서 (확장자가 .ca-bundle 인 경우도 있음)
SSLCertificateChainFile "/ssl_directory/cert.cer"
ErrorDocument 402 /missing.html
ErrorDocument 403 "/cgi-bin/cgi-script.pl"
ErrorDocument 404 error.domain.com
ErrorDocument 500 "Internal Server Error"
ErrorLog ${APACHE_LOG_DIR}/domain-error.log
CustomLog ${APACHE_LOG_DIR}/domain-access.log combined
</VirtualHost>

# /etc/apache2/sites-available/000-default.conf
<VirtualHost *:80>
...
DocumentRoot /사용할 디렉토리 (기존 /var/www 수정)
...
</VirtualHost># /etc/apache2/apache2.conf
<Directory /사용할 디렉토리/>
Options Indexes FollowSymLinks
AllowOverride None
Require all granted
</Directory>$ sudo service apache2 restart (or reload)
<div style="height: 0; padding-bottom: 56.25%; position: relative;">
<iframe src="https://www.youtube.com/embed/YOUTUBE-ID?rel=0&controls=1&showinfo=0" frameborder="0" style="height: 100%; left: 0; position: absolute; width: 100%;" width="100%" allowfullscreen></iframe>
</div>
// 해당 도메인의 favicon
http://www.google.com/s2/favicons?domain=www.your-domain.com
// 해당 URL의 favicon
http://www.google.com/s2/favicons?domain_url=http://www.your-domain.com
| 제품명 | 링크 |
|---|---|
| Windows Defender/Security Essential | https://www.microsoft.com/ko-kr/download/details.aspx?id=5201 |
| Bitdefender | https://www.bitdefender.com/solutions/free.html |
| avast | https://www.avast.com/free-antivirus-download |
| Avira | https://www.avira.com/en/free-antivirus-windows |
| AVG | http://www.avg.com/ca-en/free-antivirus-download |
| 제품명 | 링크 |
|---|---|
| Microsoft Safety Scanner | https://www.microsoft.com/security/scanner/en-in/default.aspx |
| Avira PC Cleaner | https://www.avira.com/en/downloads |
| Intel McAfee GetSusp | https://www.mcafee.com/uk/downloads/free-tools/getsusp.aspx |
| Comodo Cleaning Essentials | https://www.comodo.com/business-security/network-protection/cleaning_essentials.php |
| Kaspersky Security Scan | https://www.kaspersky.com/free-virus-scan |
| Norton Power Eraser | https://security.symantec.com/nbrt/npe.aspx |
# 채널(Channel)
https://www.youtube.com/feeds/videos.xml?channel_id=CHANNEL-ID
# 사용자(User)
https://www.youtube.com/feeds/videos.xml?user=USER-NAME
# 재생목록(Playlist)
https://www.youtube.com/feeds/videos.xml?playlist_id=PLAYLIST-NUMBER# Default
https://img.youtube.com/vi/YOUTUBE-VIDEO-ID/default.jpg
# Standard Definition
https://img.youtube.com/vi/YOUTUBE-VIDEO-ID/sddefault.jpg
# High Quality
https://img.youtube.com/vi/YOUTUBE-VIDEO-ID/hqdefault.jpg
# Medium Quality
https://img.youtube.com/vi/YOUTUBE-VIDEO-ID/mqdefault.jpg
# Maximum Resolution
https://img.youtube.com/vi/YOUTUBE-VIDEO-ID/maxresdefault.jpg
# ETC
https://img.youtube.com/vi/YOUTUBE-VIDEO-ID/0.jpg
https://img.youtube.com/vi/YOUTUBE-VIDEO-ID/1.jpg
https://img.youtube.com/vi/YOUTUBE-VIDEO-ID/2.jpg
https://img.youtube.com/vi/YOUTUBE-VIDEO-ID/3.jpg
# 다른 파일 지정
ErrorDocument 402 /missing.html
# CGI 스크립트 지정
ErrorDocument 403 "/cgi-bin/cgi-script.pl"
# 특정 도메인 지정
ErrorDocument 404 http://www.domain.com
# 메세지 지정
ErrorDocument 500 "Internal Server Error"
<VirtualHost *:80>
ServerName domain.com
ServerAdmin name@email.com
ServerAlias www.domain.com *.domain.com
DocumentRoot /html/directory
<Directory /html/directory>
Options IncludesNoExec
ServerSignature Off
AllowOverride None
Require all granted
</Directory>
ErrorDocument 402 /missing.html
ErrorDocument 403 "/cgi-bin/cgi-script.pl"
ErrorDocument 404 http://error.domain.com
ErrorDocument 500 "Internal Server Error"
ErrorLog ${APACHE_LOG_DIR}/domain-error.log
CustomLog ${APACHE_LOG_DIR}/domain-access.log combined
</VirtualHost>
$ sudo rm readme.txt
sudo: unable to resolve host [hostname]$ sudo vi /etc/hosts
127.0.0.1 hostname$ sudo reboot