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    <title>잉여롭다</title>
    <link>https://hoong2.tistory.com/</link>
    <description>잉여로운 사람의 잉여로운 실험을 하는 잉여로운 블로그</description>
    <language>ko</language>
    <pubDate>Fri, 10 Jul 2026 09:39:04 +0900</pubDate>
    <generator>TISTORY</generator>
    <ttl>100</ttl>
    <managingEditor>어댜퍼캬우챠</managingEditor>
    <item>
      <title>케이쉴드 주니어 8기! 지금 뭐하니~?</title>
      <link>https://hoong2.tistory.com/entry/%EC%BC%80%EC%9D%B4%EC%89%B4%EB%93%9C-%EC%A3%BC%EB%8B%88%EC%96%B4-8%EA%B8%B0-%EC%A7%80%EA%B8%88-%EB%AD%90%ED%95%98%EB%8B%88</link>
      <description>

7월의 무더운 여름!
케이쉴드 주니어 8기가 시작된지, 벌써 한달이 다 되어갑니다.  
​
모집부터 선발, 그리고 교육까지~ 참 많은 일들이 있었는데요!
오늘은 지금까지의 8기가 걸어온 길을 슬쩍 엿보는 시간을 가져보려고 합니다:)  
​















​
​











&amp;nbsp;





선발평가 사진_220607








6월 7일~8일​까지!
케이쉴드 주니어 선발평가가 진행되었습니다:)
​
케이쉴드 주니어 8기 ..</description>
      <category>케이쉴드주니어</category>
      <category>IT</category>
      <category>IT교육</category>
      <category>K-shield Jr</category>
      <category>K쉴드 주니어</category>
      <category>정보보안</category>
      <category>정보보안 교육</category>
      <category>주니어</category>
      <category>케이쉴드</category>
      <category>케이쉴드주니어</category>
      <category>한국정보보호교육센터</category>
      <author>어댜퍼캬우챠</author>
      <guid isPermaLink="true">https://hoong2.tistory.com/261</guid>
      <comments>https://hoong2.tistory.com/entry/%EC%BC%80%EC%9D%B4%EC%89%B4%EB%93%9C-%EC%A3%BC%EB%8B%88%EC%96%B4-8%EA%B8%B0-%EC%A7%80%EA%B8%88-%EB%AD%90%ED%95%98%EB%8B%88#entry261comment</comments>
      <pubDate>Sat, 9 Jul 2022 17:52:29 +0900</pubDate>
    </item>
    <item>
      <title>혼동행렬(Confusion Matrix)</title>
      <link>https://hoong2.tistory.com/entry/%ED%98%BC%EB%8F%99%ED%96%89%EB%A0%ACConfusion-Matrix</link>
      <description>혼동행렬(Confusion Matrix)는 알고리즘에서 해당 알고리즘의 성능을 평가할 때 사용하는 지표로 사용됨



&amp;nbsp;
Condition


Positive
Negative


Prediction
Positive
TP
FP


Negative
FN
TN



이 혼동행렬에서 True/False는 실제 값이 1/0인지를 나타냄
&amp;nbsp;
실제 데이터와 예측이 일치하는 경우 True 이며, 일치하지 않는 경우 False가 된다.
&amp;nbsp;
여..</description>
      <category>보안</category>
      <author>어댜퍼캬우챠</author>
      <guid isPermaLink="true">https://hoong2.tistory.com/257</guid>
      <comments>https://hoong2.tistory.com/entry/%ED%98%BC%EB%8F%99%ED%96%89%EB%A0%ACConfusion-Matrix#entry257comment</comments>
      <pubDate>Fri, 8 Jan 2021 12:54:33 +0900</pubDate>
    </item>
    <item>
      <title>how to change static ip on ubuntu 18.04-LTS with vmware</title>
      <link>https://hoong2.tistory.com/entry/how-to-change-static-ip-on-ubuntu-1804-LTS-with-vmware</link>
      <description>vmware에서 NAT모드로 사용을 하고 있는데 dhcp의 기능을 사용하고 싶지 않을 때
먼저 vmware의 NAT모드에서는 192.168.xxx.128 ~ 192.168.xxx.255 까지를 dhcp의 기능으로 IP를 할당하고 있음
때문에 이 dhcp기능을 피해서 하고싶다면
&amp;nbsp;
#&amp;gt; vi /etc/netplan/01-network-manager-all.yaml

이 파일을 열어서 수정을 해야함
처음 해당파일을 열었을 때는 다음과 같이 기..</description>
      <category>OS/리눅스</category>
      <category>dhcp</category>
      <category>Linux</category>
      <category>NAT</category>
      <category>static ip</category>
      <category>ubuntu</category>
      <author>어댜퍼캬우챠</author>
      <guid isPermaLink="true">https://hoong2.tistory.com/255</guid>
      <comments>https://hoong2.tistory.com/entry/how-to-change-static-ip-on-ubuntu-1804-LTS-with-vmware#entry255comment</comments>
      <pubDate>Thu, 30 Jan 2020 10:05:55 +0900</pubDate>
    </item>
    <item>
      <title>파이썬 육망성</title>
      <link>https://hoong2.tistory.com/entry/%ED%8C%8C%EC%9D%B4%EC%8D%AC-%EC%9C%A1%EB%A7%9D%EC%84%B1</link>
      <description>#!/usr/bin/python print(&quot;insert&amp;nbsp;number&amp;nbsp;:&amp;nbsp;&quot;,&amp;nbsp;end='') line&amp;nbsp;=int(input()) num_star=4*line-1 for&amp;nbsp;i&amp;nbsp;in&amp;nbsp;range(0,line,1): &amp;nbsp; &amp;nbsp; num_white=2*line-i-1 &amp;nbsp; &amp;nbsp;&amp;nbsp;print((&quot;&amp;nbsp;&quot;*num_white)&amp;nbsp;+&amp;nbsp;(&quot;*&quot;*(i..</description>
      <category>프로그래밍/Python</category>
      <category>python</category>
      <category>ubuntu</category>
      <category>별찍기</category>
      <category>우분투</category>
      <category>육망성</category>
      <category>코딩</category>
      <category>코오딩</category>
      <category>파이썬</category>
      <author>어댜퍼캬우챠</author>
      <guid isPermaLink="true">https://hoong2.tistory.com/254</guid>
      <comments>https://hoong2.tistory.com/entry/%ED%8C%8C%EC%9D%B4%EC%8D%AC-%EC%9C%A1%EB%A7%9D%EC%84%B1#entry254comment</comments>
      <pubDate>Fri, 3 Jan 2020 16:54:06 +0900</pubDate>
    </item>
    <item>
      <title>How to install devstack on ubuntu 16.04</title>
      <link>https://hoong2.tistory.com/entry/How-to-install-devstack-on-ubuntu-160</link>
      <description>environment
tool : vmware 15 pro
linux_v : ubuntu-16.04-LTS
kernel_v : 4.13.0-36-generic
cpu : 4
mem : 8G
&amp;nbsp;
Root permission : (#&amp;gt;)
normal permission : ($&amp;gt;)
&amp;nbsp;
#&amp;gt; systemctl disable ufw #&amp;gt; systemctl stop ufw #&amp;gt; useradd -s /bin/bash -..</description>
      <category>OS/리눅스</category>
      <category>Cloud</category>
      <category>cloud computing</category>
      <category>DevStack</category>
      <category>install openstack</category>
      <category>OpenStack</category>
      <category>ubuntu</category>
      <author>어댜퍼캬우챠</author>
      <guid isPermaLink="true">https://hoong2.tistory.com/253</guid>
      <comments>https://hoong2.tistory.com/entry/How-to-install-devstack-on-ubuntu-160#entry253comment</comments>
      <pubDate>Mon, 30 Dec 2019 18:49:39 +0900</pubDate>
    </item>
    <item>
      <title>how to install mariadb on centos7</title>
      <link>https://hoong2.tistory.com/entry/how-to-install-mariadb-on-centos7</link>
      <description>#&amp;gt; yum install -y vim&amp;nbsp; #&amp;gt; yum install -y net-tools vim #&amp;gt; yum -y install cmake gcc* curses-devel bison libxml* libtool* openssl* crypto-utils ncurses-devel #&amp;gt; yum install libjpeg* libpng* freetype* gd-* gdbm-devel libtermcap-devel -y #&amp;gt..</description>
      <category>OS/리눅스</category>
      <category>centos</category>
      <category>CentOS7</category>
      <category>Linux</category>
      <category>MariaDB</category>
      <category>mysql</category>
      <category>리눅스</category>
      <author>어댜퍼캬우챠</author>
      <guid isPermaLink="true">https://hoong2.tistory.com/252</guid>
      <comments>https://hoong2.tistory.com/entry/how-to-install-mariadb-on-centos7#entry252comment</comments>
      <pubDate>Mon, 4 Nov 2019 11:10:56 +0900</pubDate>
    </item>
    <item>
      <title>how to install telnet on ubuntu 16.04LTS</title>
      <link>https://hoong2.tistory.com/entry/how-to-install-telnet-on-ubuntu-1604LTS</link>
      <description>#&amp;gt;&amp;nbsp;apt-get&amp;nbsp;install&amp;nbsp;-y&amp;nbsp;xinetd&amp;nbsp;telnetd &amp;nbsp; &amp;nbsp; #apt-get 으로 xinetd 와 telnetd 패키지 인스톨 #&amp;gt;&amp;nbsp;adduser&amp;nbsp;teluser &amp;nbsp;&amp;nbsp;&amp;nbsp;password&amp;nbsp;:&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;retype password :&amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;#telne..</description>
      <category>OS/리눅스</category>
      <category>centos</category>
      <category>install</category>
      <category>Linux</category>
      <category>telnet</category>
      <category>ubuntu</category>
      <category>Xenial Xerus</category>
      <category>xinetd</category>
      <category>리눅스</category>
      <category>우분투</category>
      <category>텔넷</category>
      <author>어댜퍼캬우챠</author>
      <guid isPermaLink="true">https://hoong2.tistory.com/251</guid>
      <comments>https://hoong2.tistory.com/entry/how-to-install-telnet-on-ubuntu-1604LTS#entry251comment</comments>
      <pubDate>Thu, 26 Sep 2019 19:33:39 +0900</pubDate>
    </item>
    <item>
      <title>linux getch 함수</title>
      <link>https://hoong2.tistory.com/entry/linux-getch-%ED%95%A8%EC%88%98</link>
      <description>리눅스에는 getch 함수가 없어 여기저기 찾아보다가 발견하게 된 소스
&amp;nbsp;
#include&amp;nbsp; &amp;lt;unist.h&amp;gt;int&amp;nbsp;getch(void) { int&amp;nbsp;ch; struct&amp;nbsp;termios&amp;nbsp;buf; struct&amp;nbsp;termios&amp;nbsp;save; tcgetattr(0,&amp;nbsp;&amp;amp;save); buf&amp;nbsp;=&amp;nbsp;save; buf.c_lflag&amp;nbsp;&amp;amp;=&amp;nbsp;..</description>
      <category>프로그래밍/C</category>
      <category>#include</category>
      <category>C language</category>
      <category>C언어</category>
      <category>getch</category>
      <category>getch.h</category>
      <category>Linux</category>
      <category>termio.h</category>
      <category>unist.h</category>
      <category>프로그래밍</category>
      <author>어댜퍼캬우챠</author>
      <guid isPermaLink="true">https://hoong2.tistory.com/249</guid>
      <comments>https://hoong2.tistory.com/entry/linux-getch-%ED%95%A8%EC%88%98#entry249comment</comments>
      <pubDate>Tue, 6 Aug 2019 20:37:06 +0900</pubDate>
    </item>
    <item>
      <title>how to install java 11 on ubuntu 16.04</title>
      <link>https://hoong2.tistory.com/entry/how-to-install-java-11-on-ubuntu-1604</link>
      <description>wget&amp;nbsp;https://download.java.net/java/ga/jdk11/openjdk-11_linux-x64_bin.tar.gz 
&amp;nbsp;
tar&amp;nbsp;xvzf&amp;nbsp;openjdk-11_linux-x64_bin.tar.gz&amp;nbsp; 
&amp;nbsp;
mkdir&amp;nbsp;/usr/lib/jvm&amp;nbsp;-p 
&amp;nbsp;
mv&amp;nbsp;jdk-11&amp;nbsp;/usr/lib/jvm/openjdk-11-manual-installat..</description>
      <category>OS/리눅스</category>
      <author>어댜퍼캬우챠</author>
      <guid isPermaLink="true">https://hoong2.tistory.com/247</guid>
      <comments>https://hoong2.tistory.com/entry/how-to-install-java-11-on-ubuntu-1604#entry247comment</comments>
      <pubDate>Mon, 1 Jul 2019 16:46:19 +0900</pubDate>
    </item>
    <item>
      <title>ubuntu apt-get error</title>
      <link>https://hoong2.tistory.com/entry/ubuntu-apt-get-error</link>
      <description>dpkg 에러 날 시 /usr/bin/dpkg/ 밑에 lock 으로 시작하는 모든 파일 삭제
&amp;nbsp;
#&amp;gt; rm -rf /var/lib/dpkg/lock*
&amp;nbsp;
shell script
&amp;nbsp;
#!/bin/bash
&amp;nbsp;
while :&amp;nbsp;
do
&amp;nbsp; &amp;nbsp; /bin/rm -rf /var/lib/dpkg/lock*
done
&amp;nbsp;
백그라운드 실행
&amp;nbsp;
#&amp;gt; nohup /path/shell.sh..</description>
      <category>OS/리눅스</category>
      <category>apt-get</category>
      <category>Linux</category>
      <category>shell</category>
      <category>ubuntu</category>
      <category>리눅스</category>
      <category>쉘</category>
      <category>스크립트</category>
      <author>어댜퍼캬우챠</author>
      <guid isPermaLink="true">https://hoong2.tistory.com/246</guid>
      <comments>https://hoong2.tistory.com/entry/ubuntu-apt-get-error#entry246comment</comments>
      <pubDate>Mon, 1 Jul 2019 15:34:08 +0900</pubDate>
    </item>
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