https://joonlog.github.io/tags/swap-memory/Recent content in Swap Memory on JoonlogHugo -- gohugo.ioko-krThu, 02 Oct 2025 09:00:00 +0900https://joonlog.github.io/p/linux-swap-%EB%A9%94%EB%AA%A8%EB%A6%AC-%EC%A6%9D%EC%84%A4-%EB%B0%A9%EB%B2%95/Thu, 02 Oct 2025 09:00:00 +0900https://joonlog.github.io/p/linux-swap-%EB%A9%94%EB%AA%A8%EB%A6%AC-%EC%A6%9D%EC%84%A4-%EB%B0%A9%EB%B2%95/<div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt"> 1 </span><span class="lnt"> 2 </span><span class="lnt"> 3 </span><span class="lnt"> 4 </span><span class="lnt"> 5 </span><span class="lnt"> 6 </span><span class="lnt"> 7 </span><span class="lnt"> 8 </span><span class="lnt"> 9 </span><span class="lnt">10 </span><span class="lnt">11 </span><span class="lnt">12 </span><span class="lnt">13 </span><span class="lnt">14 </span><span class="lnt">15 </span><span class="lnt">16 </span><span class="lnt">17 </span><span class="lnt">18 </span><span class="lnt">19 </span><span class="lnt">20 </span><span class="lnt">21 </span><span class="lnt">22 </span><span class="lnt">23 </span><span class="lnt">24 </span><span class="lnt">25 </span><span class="lnt">26 </span><span class="lnt">27 </span><span class="lnt">28 </span><span class="lnt">29 </span><span class="lnt">30 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># 현재 스왑 메모리 확인</span> </span></span><span class="line"><span class="cl">free -mh </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"><span class="c1"># Swap 파일 생성</span> </span></span><span class="line"><span class="cl">fallocate -l 2G .swapfile </span></span><span class="line"><span class="cl"><span class="c1"># fallocate 안되면 dd</span> </span></span><span class="line"><span class="cl">dd <span class="k">if</span><span class="o">=</span>/dev/zero <span class="nv">of</span><span class="o">=</span>/swapfile2 <span class="nv">bs</span><span class="o">=</span>1M <span class="nv">count</span><span class="o">=</span><span class="m">2048</span> </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"><span class="c1"># Swap 파일 권한 변경</span> </span></span><span class="line"><span class="cl">chmod <span class="m">600</span> .swapfile </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"><span class="c1"># Swap 파일 포맷 설정 및 Swap 파일 등록</span> </span></span><span class="line"><span class="cl">mkswap .swapfile </span></span><span class="line"><span class="cl">swapon .swapfile </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"><span class="c1"># Swap Memory 가 정상적으로 등록 되었는지 확인</span> </span></span><span class="line"><span class="cl">swapon -s </span></span><span class="line"><span class="cl">free -m </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"><span class="c1"># 부팅시에도 Swap 연결이 되도록 Swap 파일 영구적 마운트 하는 방법</span> </span></span><span class="line"><span class="cl">vim /etc/fstab </span></span><span class="line"><span class="cl"> .swapfile swap swap defaults <span class="m">0</span> <span class="m">0</span> </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"><span class="c1"># Swap Memory 비활성화 및 삭제</span> </span></span><span class="line"><span class="cl">swapoff .swapfile </span></span><span class="line"><span class="cl">rm .swapfile </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"><span class="c1"># Swap 파일 마운트 해제</span> </span></span><span class="line"><span class="cl">vim /etc/fstab </span></span><span class="line"><span class="cl"> <span class="o">[</span>swap파일경로<span class="o">]</span> swap swap defaults <span class="m">0</span> <span class="m">0</span> &lt;&lt; 문구 주석 처리 </span></span></code></pre></td></tr></table> </div> </div>