mysql -u root -p할 때 오류남
service mysql restartRedirecting to /bin/systemctl restart mysql.service
systemctl start mariadb
mysql -u root -p하니깐 된다!!
| [linux] 톰캣 설치 (0) | 2022.01.26 |
|---|---|
| [HTML/CSS] (0) | 2022.01.11 |
| [JSP] filter (0) | 2022.01.06 |
| [JSP] 방명록 프로그램 (0) | 2022.01.05 |
| [JSP] EL (0) | 2022.01.05 |
IPADDR=192.168.0.69
NETMASK=255.255.255.0
GATEWAY=192.168.0.1
DNS1=168.126.63.1
DNS2=168.126.63.2DNS는 nslookup www.----.com 을 통해서 알아냈다.
2. tomcat 압축 풀기
tar xvfz apache-tomcat-8.5.75.tar.gz3. 톰캣 위치 옮기기
mv apache-tomcat-8.5.75/usr/local/poscoict/tomcat8.5에 확인
4. 톰캣 실행
[root@localhost poscoict]# tomcat8.5/bin/catalina.sh start
5. 작업 관리자 확인
ps -ef | grep tomcat
6. 네트워크 열려져 있는 것 확인
netstat -anp | grep 8080
7. 톰캣 중단
/usr/local/poscoict/tomcat8.5/bin/catalina.sh stop
8. 서비스 등록
vi /usr/lib/systemd/system/tomcat.service
9. 톰캣 시작하고 종료하고 reboot해서 톰캣 확인
- systemctl start tomcat
- ps -ef | grep tomcat
- systemctl stop tomcat
- sync
- sync
- sync
- sync
- sync
- reboot
- http://192.168.0.69:8080/
10.
vi /usr/local/poscoict/tomcat8.5/conf/tomcat-users.xml해서 맨 밑 </tomcat-users>바로 위에
<role rolename="manager"/>
<role rolename="manager-gui" />
<role rolename="manager-script" />
<role rolename="manager-jmx" />
<role rolename="manager-status" />
<role rolename="admin"/>
<user username="admin" password="manager" roles="admin,manager,manager-gui, manager-script, manager-jmx, manager-status"/>붙여넣기
여기서 비밀번호 잘 기억
톰캣 manager app클릭하면 비밀번호 치는 거 나옴
11. tomcat manager 설정
vi /usr/local/douzone2021/tomcat/webapps/manager/META-INF/context.xml원래 기존의 context 주석 처리해줌
<Context antiResourceLocking="false" privileged="true" docBase="${catalina.home}/webapps/manager">
<Valve className="org.apache.catalina.valves.RemoteAddrValve"
allow="^.*$" />
</Context>추가해준다.
12. 다시 시작해줘서 확인
systemctl stop tomcat
systemctl start tomcat
http://192.168.0.69:8080/manager/html 들어가서 manager app 들어가서 비번치면 manager들어가짐
| ERROR 2002 (HY000): Can't connect to local MySQL server through socketdb/tmp/mariadb.sock' (111 "Connection refused") (0) | 2022.01.28 |
|---|---|
| [HTML/CSS] (0) | 2022.01.11 |
| [JSP] filter (0) | 2022.01.06 |
| [JSP] 방명록 프로그램 (0) | 2022.01.05 |
| [JSP] EL (0) | 2022.01.05 |
eclipse
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.poscoict</groupId>
<artifactId>helloworld</artifactId>
<version>0.0.1-SNAPSHOT</version>
<properties>
<project.build.sourceEncoding>utf-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>utf-8</project.reporting.outputEncoding>
</properties>
<dependencies>
</dependencies>
<build>
<sourceDirectory>src/main/java</sourceDirectory>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<source>11</source>
<target>11</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
| ERROR 2002 (HY000): Can't connect to local MySQL server through socketdb/tmp/mariadb.sock' (111 "Connection refused") (0) | 2022.01.28 |
|---|---|
| [linux] 톰캣 설치 (0) | 2022.01.26 |
| [JSP] filter (0) | 2022.01.06 |
| [JSP] 방명록 프로그램 (0) | 2022.01.05 |
| [JSP] EL (0) | 2022.01.05 |
필수는 아닌데 알고 있으며 편할 때가 있다.
package filter;
import java.io.IOException;
import javax.servlet.DispatcherType;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
/**
* filter 공부
* 2022.01.06
* init메소드가 맨 밑 - 알파벳 순
*/
@WebFilter(dispatcherTypes = {DispatcherType.REQUEST }
, urlPatterns = { "/first" })
public class FlowFilter implements Filter {
public FlowFilter() {
System.out.println("FlowFilter 객체 생성");
}
public void destroy() {
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
System.out.println("---- 서블릿 수행 전 생성");
chain.doFilter(request, response);
System.out.println("---- 서블릿 수행 후 생성");
}
// 필터가 객체 생성할 때 - 서버가 기동할 때(서버 죽을 때까지 유지)
public void init(FilterConfig fConfig) throws ServletException {
System.out.println("FlpwFilter 객체 초기화");
}
}
| [linux] 톰캣 설치 (0) | 2022.01.26 |
|---|---|
| [HTML/CSS] (0) | 2022.01.11 |
| [JSP] 방명록 프로그램 (0) | 2022.01.05 |
| [JSP] EL (0) | 2022.01.05 |
| [ServletJSP] 시험 준비 (0) | 2022.01.04 |
[visitor테이블을 활용한 방명록 웹 프로그램 작성]
| [HTML/CSS] (0) | 2022.01.11 |
|---|---|
| [JSP] filter (0) | 2022.01.06 |
| [JSP] EL (0) | 2022.01.05 |
| [ServletJSP] 시험 준비 (0) | 2022.01.04 |
| [JSP] java bean, 스코프, MVC모델 (0) | 2022.01.04 |
\${100 += 200 += 300 } : ${100 += 200 += 300 }<br>${param.message}
${param["message"]}
<%= request.getParameter("message") %> ${ !empty param.message }<!-- jsp수행이 끝나면 사라짐 -->
<% pageContext.setAttribute("name", "자바"); %>
name 변수의 값 : ${name}<br>
pageScope.name 변수의 값 : ${pageScope.name}<br>${ list[0].time }<br>${ list[1].time }<br>${ list[2].time }
| [JSP] filter (0) | 2022.01.06 |
|---|---|
| [JSP] 방명록 프로그램 (0) | 2022.01.05 |
| [ServletJSP] 시험 준비 (0) | 2022.01.04 |
| [JSP] java bean, 스코프, MVC모델 (0) | 2022.01.04 |
| [jsp] 액션태그 (0) | 2022.01.03 |
package jspbean;
import java.time.LocalDateTime;
public class Today {
private int year;
private int month;
private int date;
private int hour;
private int minute;
public Today() {
LocalDateTime currentTime = LocalDateTime.now();
year = currentTime .getYear();
month = currentTime .getMonthValue();
date = currentTime .getDayOfMonth();
hour = currentTime .getHour();
minute = currentTime.getMinute();
}
public int getHour() {
return hour;
}
public int getMinute() {
return minute;
}
public int getYear() {
return year;
}
public int getMonth() {
return month;
}
public int getDate() {
return date;
}
}1.
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8" import="jspbean.Today"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>폰트 끌어오기</title>
<link href="https://fonts.googleapis.com/css?family=Dokdo:400"
rel="stylesheet">
</head>
<body>
<h1 style="font-family: 'Dokdo'">
지금은 <%Today obj = new Today();%>
<%=obj.getYear()%>년
<%=obj.getMonth()%>월
<%=obj.getDate()%>일
<%=obj.getHour()%>시
<%=obj.getMinute()%>분 입니당
</h1>
</body>
</html>
2.
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<link href="https://fonts.googleapis.com/css?family=Gamja+Flower:400"
rel="stylesheet">
</head>
<body>
<h1 style="font-family: 'Gamja Flower'">
지금은
<jsp:useBean id="obj" class="jspbean.Today" />
<jsp:getProperty name="obj" property="year" />년
<jsp:getProperty name="obj" property="month" />월
<jsp:getProperty name="obj" property="date" />일
<jsp:getProperty name="obj" property="hour" />시
<jsp:getProperty name="obj" property="minute" />분 입니당
</h1>
</body>
</html>
3.
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8" import="jspbean.Today"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>3번째 방법</title>
<link href="https://fonts.googleapis.com/css?family=Poor+Story:400"
rel="stylesheet">
</head>
<body>
<h1 style="font-family: 'Poor Story';">
지금은 <%pageContext.setAttribute("obj", new Today());%>
${obj.year}년
${obj.month}월
${obj.date}일
${obj.hour}시
${obj.minute}분
입니당
</h1>
</body>
</html>
| [JSP] EL (0) | 2022.01.05 |
|---|---|
| [ServletJSP] 시험 준비 (0) | 2022.01.04 |
| [jsp] 액션태그 (0) | 2022.01.03 |
| [fileIUpload,jsp] 서블릿 구현 (0) | 2021.12.30 |
| [servlet]요청 재지정 (0) | 2021.12.29 |