https://dschloe.github.io/tags/environment-variables/ Recent content in Environment Variables on Data Science | DSChloe Hugo en-US Sat, 01 Feb 2025 01:00:47 +0900 https://dschloe.github.io/programming/2025/02/environment_variables/ Sat, 01 Feb 2025 01:00:47 +0900 https://dschloe.github.io/programming/2025/02/environment_variables/ <h2 id="1-linux--macos">1. <strong>Linux &amp; macOS</strong></h2> <h3 id="11-임시-환경변수-설정-현재-세션에서만-유효">1.1 <strong>임시 환경변수 설정 (현재 세션에서만 유효)</strong></h3> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>export 변수명<span style="color:#f92672">=</span>값 </span></span></code></pre></div><p>예)</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>export PATH<span style="color:#f92672">=</span>$PATH:/usr/local/bin </span></span><span style="display:flex;"><span>export JAVA_HOME<span style="color:#f92672">=</span>/Library/Java/JavaVirtualMachines/jdk-17.jdk/Contents/Home </span></span></code></pre></div><p>위 설정은 현재 터미널 세션에서만 유효하며, 터미널을 닫으면 사라진다.</p> <h3 id="12-영구-환경변수-설정">1.2 <strong>영구 환경변수 설정</strong></h3> <h3 id="1-bash-shell-bash-사용-시">(1) <strong>Bash Shell (bash 사용 시)</strong></h3> <ul> <li> <p><strong><code>~/.bashrc</code></strong> 또는 **<code>~/.bash_profile</code>*에 추가</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>export 변수명<span style="color:#f92672">=</span>값 </span></span></code></pre></div><p>예)</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>export PATH<span style="color:#f92672">=</span>$PATH:/usr/local/bin </span></span><span style="display:flex;"><span>export JAVA_HOME<span style="color:#f92672">=</span>/Library/Java/JavaVirtualMachines/jdk-17.jdk/Contents/Home </span></span></code></pre></div></li> <li> <p>적용:</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>source ~/.bashrc <span style="color:#75715e"># 또는 source ~/.bash_profile</span> </span></span></code></pre></div></li> </ul> <h3 id="2-zsh-shell-macos-기본-shell">(2) <strong>Zsh Shell (macOS 기본 Shell)</strong></h3> <ul> <li> <p><strong><code>~/.zshrc</code></strong> 파일 수정:</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>export 변수명<span style="color:#f92672">=</span>값 </span></span></code></pre></div><p>예)</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>export PATH<span style="color:#f92672">=</span>$PATH:/usr/local/bin </span></span><span style="display:flex;"><span>export JAVA_HOME<span style="color:#f92672">=</span>/Library/Java/JavaVirtualMachines/jdk-17.jdk/Contents/Home </span></span></code></pre></div></li> <li> <p>적용:</p>