刘道宽 發表於 2021-1-26 15:08:00

Linux服务器上搭建neo4j图数据库

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<p>&nbsp;</p>
<h2><span>Linux服务器上搭建neo4j图数据库</span></h2>
<p>&nbsp;</p>
<h3><span>一、预先检查jbk版本</span></h3>
<p><span>使用命令</span></p>
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<pre class=" CodeMirror-line "><span style="padding-right: 0.1px"> java -version</span></pre>
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<p><img src="https://img2020.cnblogs.com/blog/1816993/202101/1816993-20210126150428747-594927767.jpg"></p>
<p><span>版本要求1.8及以上，不满足要求可查阅文章</span></p>
<p>https://www.jianshu.com/p/44c6c9a3781f<span> 进行升级</span></p>
<h3><span>二、下载neo4j图数据库</span></h3>
<p><span>liunx环境Neo4j下载地址：</span></p>
<p>https://neo4j.com/download/other-releases/#releases</p>
<p><span>(社区版免费)</span></p>
<p><img src="https://img2020.cnblogs.com/blog/1816993/202101/1816993-20210126150501872-680002664.jpg"></p>
<p><span>可下载后上传至服务器，也可在服务器中直接使用命令进行下载</span></p>
<p><span>curl -O </span><span>http://dist.neo4j.org/neo4j-community-3.5.25-unix.tar.gz</span></p>
<p><span>其中 3.5.25 为版本号可修改，下载其他版本</span></p>
<p><img src="https://img2020.cnblogs.com/blog/1816993/202101/1816993-20210126150512505-1120162312.jpg"></p>
<h3><span>三、解压安装使用命令：</span></h3>
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<pre class=" CodeMirror-line "><span style="padding-right: 0.1px">tar -axvf 下载的文件</span></pre>
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<h3><span>四、修改配置</span></h3>
<p><span>注：此方法于3.5.25版本</span></p>
<p><span>打开在安装目录下的conf 目录下的 neo4j.conf 文件</span></p>
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<pre class=" CodeMirror-line "><span style="padding-right: 0.1px">vim neo4j.conf</span></pre>
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<pre class=" CodeMirror-line "><span style="padding-right: 0.1px"># 修改第22行load csv时l路径，在前面加个#，可从任意路径读取文件</span></pre>
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<pre class=" CodeMirror-line "><span style="padding-right: 0.1px">#dbms.directories.import=import</span></pre>
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<pre class=" CodeMirror-line "><span style="padding-right: 0.1px"># 修改54行，去掉改行的#，并将文件参数修改为服务器IP，在加一句如下，可以远程通过ip访问neo4j数据库</span></pre>
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<pre class=" CodeMirror-line "><span style="padding-right: 0.1px">dbms.connectors.default_listen_address=0.0.0.0</span></pre>
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<div class="CodeMirror-measure"><span><span>​</span>x</span></div>
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<pre class=" CodeMirror-line "><span style="padding-right: 0.1px"># 修改71行，去掉#，设置bolt端口为7687，端口可以自定义，只要不和其他端口冲突就行 </span></pre>
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<pre class=" CodeMirror-line "><span style="padding-right: 0.1px">dbms.connector.bolt.listen_address=:7687</span></pre>
<pre class=" CodeMirror-line "><span style="padding-right: 0.1px"><span>​</span></span></pre>
<pre class=" CodeMirror-line "><span style="padding-right: 0.1px"># 修改75行，去掉#，设置http端口为7474，端口可以自定义，只要不和其他端口冲突就行</span></pre>
<pre class=" CodeMirror-line "><span style="padding-right: 0.1px">dbms.connector.http.listen_address=:7474</span></pre>
<pre class=" CodeMirror-line "><span style="padding-right: 0.1px"><span>​</span></span></pre>
<pre class=" CodeMirror-line "><span style="padding-right: 0.1px"># 修改79行，去掉#，设置https端口为7473，端口可以自定义，只要不和其他端口冲突就行</span></pre>
<pre class=" CodeMirror-line "><span style="padding-right: 0.1px">dbms.connector.https.listen_address=:7473</span></pre>
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<pre class=" CodeMirror-line "><span style="padding-right: 0.1px"># 修改245行，去掉#，允许从远程url来load csv</span></pre>
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<pre class=" CodeMirror-line "><span style="padding-right: 0.1px">Vim使用：vim进入为命令模式，按i进入编辑模式，按ESC退回到命令模式，命令模式输入 :wq 保存退出 :q退出 :q! 强制操作</span></pre>
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<h3><span>五、开放端口</span></h3>
<p><span>开放防火墙相对应的端口</span></p>
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<pre class=" CodeMirror-line "><span style="padding-right: 0.1px">firewall-cmd --list-ports（查看以开放端口）</span></pre>
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<p><span>其他两个端口使用同样的方式打开</span></p>
<p><img src="https://img2020.cnblogs.com/blog/1816993/202101/1816993-20210126150624127-645750922.jpg"></p>
<h3><span>六、启动与登录</span></h3>
<p><span>启动：进入安装目录下bin路径</span></p>
<p><span>后台启动：</span></p>
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<pre class=" CodeMirror-line "><span style="padding-right: 0.1px">./neo4j start</span></pre>
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<p><span>前台启动：</span></p>
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<pre class=" CodeMirror-line "><span style="padding-right: 0.1px">./neo4j console</span></pre>
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<p><span>查看状态：</span></p>
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<div style="overflow: hidden; position: relative; width: 3px; height: 0; top: 0; left: 8px">&nbsp;</div>
<div class="CodeMirror-scrollbar-filler">&nbsp;</div>
<div class="CodeMirror-gutter-filler">&nbsp;</div>
<div class="CodeMirror-scroll">
<div class="CodeMirror-sizer" style="margin-left: 0; margin-bottom: 0; border-right-width: 0; padding-right: 0; padding-bottom: 0">
<div style="position: relative; top: 0">
<div class="CodeMirror-lines">
<div style="position: relative; outline: none">
<div class="CodeMirror-measure">
<pre><span>xxxxxxxxxx</span></pre>
</div>
<div class="CodeMirror-measure">&nbsp;</div>
<div style="position: relative; z-index: 1">&nbsp;</div>
<div class="CodeMirror-code">
<div class="CodeMirror-activeline" style="position: relative">
<div class="CodeMirror-activeline-background CodeMirror-linebackground">&nbsp;</div>
<div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0; width: 0">&nbsp;</div>
<pre class=" CodeMirror-line "><span style="padding-right: 0.1px">./neo4j status</span></pre>
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</div>
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<div style="position: absolute; height: 0; width: 1px; border-bottom: 0 solid rgba(0, 0, 0, 0); top: 23px">&nbsp;</div>
<div class="CodeMirror-gutters" style="display: none; height: 23px">&nbsp;</div>
</div>
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<p><span>停止：</span></p>
<div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="">
<div style="overflow: hidden; position: relative; width: 3px; height: 0; top: 0; left: 8px">&nbsp;</div>
<div class="CodeMirror-scrollbar-filler">&nbsp;</div>
<div class="CodeMirror-gutter-filler">&nbsp;</div>
<div class="CodeMirror-scroll">
<div class="CodeMirror-sizer" style="margin-left: 0; margin-bottom: 0; border-right-width: 0; padding-right: 0; padding-bottom: 0">
<div style="position: relative; top: 0">
<div class="CodeMirror-lines">
<div style="position: relative; outline: none">
<div class="CodeMirror-measure">
<pre><span>xxxxxxxxxx</span></pre>
</div>
<div class="CodeMirror-measure">&nbsp;</div>
<div style="position: relative; z-index: 1">&nbsp;</div>
<div class="CodeMirror-code">
<div class="CodeMirror-activeline" style="position: relative">
<div class="CodeMirror-activeline-background CodeMirror-linebackground">&nbsp;</div>
<div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0; width: 0">&nbsp;</div>
<pre class=" CodeMirror-line "><span style="padding-right: 0.1px">./neo4j stop</span></pre>
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<div style="position: absolute; height: 0; width: 1px; border-bottom: 0 solid rgba(0, 0, 0, 0); top: 23px">&nbsp;</div>
<div class="CodeMirror-gutters" style="display: none; height: 23px">&nbsp;</div>
</div>
</div>
<p><span>重启：</span></p>
<div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="">
<div style="overflow: hidden; position: relative; width: 3px; height: 0; top: 0; left: 8px">&nbsp;</div>
<div class="CodeMirror-scrollbar-filler">&nbsp;</div>
<div class="CodeMirror-gutter-filler">&nbsp;</div>
<div class="CodeMirror-scroll">
<div class="CodeMirror-sizer" style="margin-left: 0; margin-bottom: 0; border-right-width: 0; padding-right: 0; padding-bottom: 0">
<div style="position: relative; top: 0">
<div class="CodeMirror-lines">
<div style="position: relative; outline: none">
<div class="CodeMirror-measure">
<pre><span>xxxxxxxxxx</span></pre>
</div>
<div class="CodeMirror-measure">&nbsp;</div>
<div style="position: relative; z-index: 1">&nbsp;</div>
<div class="CodeMirror-code">
<div class="CodeMirror-activeline" style="position: relative">
<div class="CodeMirror-activeline-background CodeMirror-linebackground">&nbsp;</div>
<div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0; width: 0">&nbsp;</div>
<pre class=" CodeMirror-line "><span style="padding-right: 0.1px">./neo4j restart</span></pre>
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<div style="position: absolute; height: 0; width: 1px; border-bottom: 0 solid rgba(0, 0, 0, 0); top: 23px">&nbsp;</div>
<div class="CodeMirror-gutters" style="display: none; height: 23px">&nbsp;</div>
</div>
</div>
<p><span>网址：</span>http://192.168.3.148:7474/browser/<span> 账号neo4j，密码123456</span><span>（密码默认为neo4j 首次登录成功会提示修改密码）</span></p>
<h3><span>七、数据库数据迁移</span></h3>
<p><span>导出：</span></p>
<div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="">
<div style="overflow: hidden; position: relative; width: 3px; height: 0; top: 0; left: 8px">&nbsp;</div>
<div class="CodeMirror-scrollbar-filler">&nbsp;</div>
<div class="CodeMirror-gutter-filler">&nbsp;</div>
<div class="CodeMirror-scroll">
<div class="CodeMirror-sizer" style="margin-left: 0; margin-bottom: 0; border-right-width: 0; padding-right: 0; padding-bottom: 0">
<div style="position: relative; top: 0">
<div class="CodeMirror-lines">
<div style="position: relative; outline: none">
<div class="CodeMirror-measure">
<pre><span>xxxxxxxxxx</span></pre>
</div>
<div class="CodeMirror-measure">&nbsp;</div>
<div style="position: relative; z-index: 1">&nbsp;</div>
<div class="CodeMirror-code">
<div class="CodeMirror-activeline" style="position: relative">
<div class="CodeMirror-activeline-background CodeMirror-linebackground">&nbsp;</div>
<div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0; width: 0">&nbsp;</div>
<pre class=" CodeMirror-line "><span style="padding-right: 0.1px">./neo4j-admin dump --database=graph.db --to=/root/download/graph.db.dump</span></pre>
</div>
</div>
</div>
</div>
</div>
</div>
<div style="position: absolute; height: 0; width: 1px; border-bottom: 0 solid rgba(0, 0, 0, 0); top: 23px">&nbsp;</div>
<div class="CodeMirror-gutters" style="display: none; height: 23px">&nbsp;</div>
</div>
</div>
<p><span> 等号后为保存位置</span></p>
<p><span>导入：</span></p>
<div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="">
<div style="overflow: hidden; position: relative; width: 3px; height: 0; top: 0; left: 8px">&nbsp;</div>
<div class="CodeMirror-scrollbar-filler">&nbsp;</div>
<div class="CodeMirror-gutter-filler">&nbsp;</div>
<div class="CodeMirror-scroll">
<div class="CodeMirror-sizer" style="margin-left: 0; margin-bottom: 0; border-right-width: 0; padding-right: 0; padding-bottom: 0">
<div style="position: relative; top: 0">
<div class="CodeMirror-lines">
<div style="position: relative; outline: none">
<div class="CodeMirror-measure">
<pre><span>xxxxxxxxxx</span></pre>
</div>
<div class="CodeMirror-measure">&nbsp;</div>
<div style="position: relative; z-index: 1">&nbsp;</div>
<div class="CodeMirror-code">
<div class="CodeMirror-activeline" style="position: relative">
<div class="CodeMirror-activeline-background CodeMirror-linebackground">&nbsp;</div>
<div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0; width: 0">&nbsp;</div>
<pre class=" CodeMirror-line "><span style="padding-right: 0.1px">neo4j-admin load --from=/root/download/graph.db.dump --database=graph.db --force</span></pre>
</div>
</div>
</div>
</div>
</div>
</div>
<div style="position: absolute; height: 0; width: 1px; border-bottom: 0 solid rgba(0, 0, 0, 0); top: 23px">&nbsp;</div>
<div class="CodeMirror-gutters" style="display: none; height: 23px">&nbsp;</div>
</div>
</div>
<p><span>等号后为文件位置</span></p>
<p><strong><span>注意数据库之间的版本版本不同不能互通数据</span></strong></p>
</div><br><br>
来源：https://www.cnblogs.com/guihua-pingting/p/14330428.html
頁: [1]
查看完整版本: Linux服务器上搭建neo4j图数据库