Latex在文檔撰寫方面是不可或缺的工具，尤其是在寫文章方面，是必須要用到的文字排版工具。但是latex的環境部署并不是一個特別人性化的操作，尤其是在各種不同的平臺上操作是完全不一樣的，還經常容易報錯。我們可以一個一個的去解決報錯問題，但是這需要耗費極大的精力和時間，所以很多人選擇了直接在overleaf進行latex的創作。但其實overleaf也有它的缺點，比如免費版本的帶寬和速度都比較受限，尤其是在國內的網絡，訪問速度可謂是”一絕“。因此這里我們介紹一個更加人性化的方案，而且對各大平臺的兼容性非常都非常好：使用docker來部署latex環境。

在各大平臺的官方源里面應該都會有提供docker容器，因此這里我們也不過多的贅述。作者過去寫過一篇關于使用docker來部署MindSpore開發環境的博客，感興趣的讀者可以當作是拓展文章來閱讀一下。

首先我們在Manjaro Linux平臺上啟動docker（在其他平臺上的操作可能有區別，比如service start docker等）：

[dechin-root tex]# systemctl start docker

注意上述指令要在root帳號下才能夠啟動，如果要選擇在非root帳號下操作，docker容器是不支持的，但是我們可以選擇singularity這一類似的容器解決方案，相關內容可以參考這篇博客。啟動服務之后，正常狀態下我們可以看到docker的status是處于active或者running的狀態：

[dechin-root tex]# systemctl status docker● docker.service - Docker Application Container Engine Loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendor preset: disab> Active: active (running) since Sun 2021-03-28 18:50:47 CST; 7s agoTriggeredBy: ● docker.socket Docs: https://docs.docker.com Main PID: 25366 (dockerd) Tasks: 123 (limit: 47875) Memory: 219.1M CGroup: /system.slice/docker.service ├─25366 /usr/bin/dockerd -H fd:// └─25378 containerd --config /var/run/docker/containerd/containerd.toml --log-l>拉取容器鏡像

首先我們可以訪問dockerhub官網搜索一下是否存在我們所需要的容器鏡像，比如我們的搜索結果如下：

可以看到這里有很多的選項，一般我們可以直接選擇星星最高的容器鏡像進行下載使用：

[dechin-root tex]# docker pull fbenz/pdflatexUsing default tag: latestlatest: Pulling from fbenz/pdflatexf22ccc0b8772: Already exists 3cf8fb62ba5f: Already exists e80c964ece6a: Already exists 9aa2583757a3: Pull complete 2c3d7890d583: Pull complete Digest: sha256:6ecca11b1a203faed5c0a2ace2a13aac100dd19d7a4e0db0474283bcded3c041Status: Downloaded newer image for fbenz/pdflatex:latestdocker.io/fbenz/pdflatex:latest

下載需要一段的時間。下載完成后，可以在本地鏡像倉庫中找到剛才下載的這個鏡像文件：

[dechin-root tex]# docker imagesREPOSITORY TAG IMAGE ID CREATED SIZEfbenz/pdflatex latest 8e7742722956 3 months ago 24GB

我們可以測試一下這個容器鏡像中的pdflatex功能是否正常：

[dechin-root tex]# docker run -it fbenz/pdflatex pdflatex --helpUsage: pdftex [OPTION]... [TEXNAME[.tex]] [COMMANDS] or: pdftex [OPTION]... FIRST-LINE or: pdftex [OPTION]... &FMT ARGS Run pdfTeX on TEXNAME, usually creating TEXNAME.pdf. Any remaining COMMANDS are processed as pdfTeX input, after TEXNAME is read. If the first line of TEXNAME is %&FMT, and FMT is an existing .fmt file, use it. Else use `NAME.fmt’, where NAME is the program invocation name, most commonly `pdftex’. Alternatively, if the first non-option argument begins with a backslash, interpret all non-option arguments as a line of pdfTeX input. Alternatively, if the first non-option argument begins with a &, the next word is taken as the FMT to read, overriding all else. Any remaining arguments are processed as above. If no arguments or options are specified, prompt for input.-draftmode switch on draft mode (generates no output PDF)-enc enable encTeX extensions such as mubyte-etex enable e-TeX extensions[-no]-file-line-error disable/enable file:line:error style messages-fmt=FMTNAME use FMTNAME instead of program name or a %& line-halt-on-error stop processing at the first error-ini be pdfinitex, for dumping formats; this is implicitly true if the program name is `pdfinitex’-interaction=STRING set interaction mode (STRING=batchmode/nonstopmode/ scrollmode/errorstopmode)-ipc send DVI output to a socket as well as the usual output file-ipc-start as -ipc, and also start the server at the other end-jobname=STRING set the job name to STRING-kpathsea-debug=NUMBER set path searching debugging flags according to the bits of NUMBER[-no]-mktex=FMT disable/enable mktexFMT generation (FMT=tex/tfm/pk)-mltex enable MLTeX extensions such as charsubdef-output-comment=STRING use STRING for DVI file comment instead of date (no effect for PDF)-output-directory=DIR use existing DIR as the directory to write files in-output-format=FORMAT use FORMAT for job output; FORMAT is `dvi’ or `pdf’[-no]-parse-first-line disable/enable parsing of first line of input file-progname=STRING set program (and fmt) name to STRING-recorder enable filename recorder[-no]-shell-escape disable/enable write18{SHELL COMMAND}-shell-restricted enable restricted write18-src-specials insert source specials into the DVI file-src-specials=WHERE insert source specials in certain places of the DVI file. WHERE is a comma-separated value list: cr display hbox math par parend vbox-synctex=NUMBER generate SyncTeX data for previewers according to bits of NUMBER (`man synctex’ for details)-translate-file=TCXNAME use the TCX file TCXNAME-8bit make all characters printable by default-help display this help and exit-version output version information and exitpdfTeX home page: <http://pdftex.org>Email bug reports to pdftex@tug.org.

當我們看到help指令運行成功時，就表明容器鏡像可以正常使用。使用容器還有一點需要注意的是，如果我們直接用docker run -it fbenz/pdflatex的話，沒有綁定本地的目錄，這樣是無法看到本地所撰寫的tex文件的。因此我們一般需要在運行的時候加上-v的選項來綁定本地的目錄，基本使用方法是：-v 本地目錄:容器目錄，注意需要使用絕對路徑，不能使用相對路徑。

在上述章節中完成基于docker的pdflatex環境部署之后，我們可以開始撰寫一些簡單的tex文件用來測試一下環境。

首先最簡單的我們測試一個hello world的案例，僅在pdf文檔中輸出一個Hello World!的字樣，具體tex代碼如下：

[dechin@dechin-manjaro tex]$ cat hello_world.tex documentclass{article}begin{document}Hello world!end{document}

使用方法也不難，首先我們運行docker容器，注意需要綁定一個本地路徑，然后進入到容器內對應的目錄下：

[dechin-root tex]# docker run -it -v /home/dechin/projects/2021-python/tex/:/home/ fbenz/pdflatexroot@d7ed2229a244:/# lltotal 72drwxr-xr-x 1 root root 4096 Mar 28 11:07 ./drwxr-xr-x 1 root root 4096 Mar 28 11:07 ../-rwxr-xr-x 1 root root 0 Mar 28 11:07 .dockerenv*drwxr-xr-x 2 root root 4096 Nov 19 13:09 bin/drwxr-xr-x 2 root root 4096 Apr 24 2018 boot/drwxr-xr-x 5 root root 360 Mar 28 11:07 dev/drwxr-xr-x 1 root root 4096 Mar 28 11:07 etc/drwxr-xr-x 2 1000 1000 4096 Mar 28 04:43 home/drwxr-xr-x 1 root root 4096 May 23 2017 lib/drwxr-xr-x 2 root root 4096 Nov 19 13:09 lib64/drwxr-xr-x 2 root root 4096 Nov 19 13:07 media/drwxr-xr-x 2 root root 4096 Nov 19 13:07 mnt/drwxr-xr-x 2 root root 4096 Nov 19 13:07 opt/dr-xr-xr-x 323 root root 0 Mar 28 11:07 proc/drwx------ 2 root root 4096 Nov 19 13:09 root/drwxr-xr-x 1 root root 4096 Nov 25 22:25 run/drwxr-xr-x 1 root root 4096 Nov 25 22:25 sbin/drwxr-xr-x 2 root root 4096 Nov 19 13:07 srv/dr-xr-xr-x 13 root root 0 Mar 28 11:07 sys/drwxrwxrwt 1 root root 4096 Nov 28 18:34 tmp/drwxr-xr-x 1 root root 4096 Nov 19 13:07 usr/drwxr-xr-x 1 root root 4096 Nov 19 13:09 var/root@d7ed2229a244:/# cd home/root@d7ed2229a244:/home# lltotal 12drwxr-xr-x 2 1000 1000 4096 Mar 28 04:43 ./drwxr-xr-x 1 root root 4096 Mar 28 11:07 ../-rw-r--r-- 1 1000 1000 69 Mar 28 04:43 hello_world.tex

我們看到在容器內的目錄下也能夠看到這個tex文件，說明路徑的綁定成功的執行了。運行指令很簡單，直接在docker容器內運行pdflatex your_file.tex即可：

root@d7ed2229a244:/home# pdflatex hello_world.tex This is pdfTeX, Version 3.14159265-2.6-1.40.18 (TeX Live 2017/Debian) (preloaded format=pdflatex) restricted write18 enabled.entering extended mode(./hello_world.texLaTeX2e <2017-04-15>Babel <3.18> and hyphenation patterns for 84 language(s) loaded.(/usr/share/texlive/texmf-dist/tex/latex/base/article.clsDocument Class: article 2014/09/29 v1.4h Standard LaTeX document class(/usr/share/texlive/texmf-dist/tex/latex/base/size10.clo))No file hello_world.aux.[1{/var/lib/texmf/fonts/map/pdftex/updmap/pdftex.map}] (./hello_world.aux) )</usr/share/texlive/texmf-dist/fonts/type1/public/amsfonts/cm/cmr10.pfb>Output written on hello_world.pdf (1 page, 11916 bytes).Transcript written on hello_world.log.root@d7ed2229a244:/home# lltotal 32drwxr-xr-x 2 1000 1000 4096 Mar 28 11:08 ./drwxr-xr-x 1 root root 4096 Mar 28 11:07 ../-rw-r--r-- 1 root root 8 Mar 28 11:08 hello_world.aux-rw-r--r-- 1 root root 2408 Mar 28 11:08 hello_world.log-rw-r--r-- 1 root root 11916 Mar 28 11:08 hello_world.pdf-rw-r--r-- 1 1000 1000 69 Mar 28 04:43 hello_world.texroot@d7ed2229a244:/home# chmod -R 777 .root@d7ed2229a244:/home# lltotal 32drwxrwxrwx 2 1000 1000 4096 Mar 28 11:08 ./drwxr-xr-x 1 root root 4096 Mar 28 11:07 ../-rwxrwxrwx 1 root root 8 Mar 28 11:08 hello_world.aux*-rwxrwxrwx 1 root root 2408 Mar 28 11:08 hello_world.log*-rwxrwxrwx 1 root root 11916 Mar 28 11:08 hello_world.pdf*-rwxrwxrwx 1 1000 1000 69 Mar 28 04:43 hello_world.tex*

運行完成后我們在目錄中看到了幾個新生成的文件，如果用root改成777的權限，那么在本地的非root帳號就可以對其進行編輯，否則就只能查看。我們可以在本地打開這個pdf文件看看：

可以看到這個pdf文件生成成功。

上面hello world的案例比較簡單，讓我們來測試一下最常用的數學公式是否有問題：

[dechin@dechin-manjaro tex]$ cat equation_test.tex documentclass{article}begin{document}Hello world!begin{equation} e^{iHt}left|psiright>end{equation}end{document}

類似于上一章節的，我們也需要進入到容器的內部執行相關的指令，最后獲得如下所示的一個pdf文件：

我們可以看到公式顯示也是正常的。

最后我們測試一個比較難的，在前面寫過一篇關于用ProjectQ生成Latex格式的量子線路圖的博客，其中生成了如下所示的一個tex文件：

[dechin@dechin-manjaro quantum-circuit]$ cat circuit.tex documentclass{standalone}usepackage[margin=1in]{geometry}usepackage[hang,small,bf]{caption}usepackage{tikz}usepackage{braket}usetikzlibrary{backgrounds,shadows.blur,fit,decorations.pathreplacing,shapes}begin{document}begin{tikzpicture}[scale=0.8, transform shape]tikzstyle{basicshadow}=[blur shadow={shadow blur steps=8, shadow xshift=0.7pt, shadow yshift=-0.7pt, shadow scale=1.02}]tikzstyle{basic}=[draw,fill=white,basicshadow]tikzstyle{operator}=[basic,minimum size=1.5em]tikzstyle{phase}=[fill=black,shape=circle,minimum size=0.1cm,inner sep=0pt,outer sep=0pt,draw=black]tikzstyle{none}=[inner sep=0pt,outer sep=-.5pt,minimum height=0.5cm+1pt]tikzstyle{measure}=[operator,inner sep=0pt,minimum height=0.5cm, minimum width=0.75cm]tikzstyle{xstyle}=[circle,basic,minimum height=0.35cm,minimum width=0.35cm,inner sep=-1pt,very thin]tikzset{shadowed/.style={preaction={transform canvas={shift={(0.5pt,-0.5pt)}}, draw=gray, opacity=0.4}},}tikzstyle{swapstyle}=[inner sep=-1pt, outer sep=-1pt, minimum width=0pt]tikzstyle{edgestyle}=[very thin]node[none] (line0_gate0) at (0.1,-0) {$Ket{0}$};node[none] (line0_gate1) at (0.5,-0) {};node[none,minimum height=0.5cm,outer sep=0] (line0_gate2) at (0.75,-0) {};node[none] (line0_gate3) at (1.0,-0) {};draw[operator,edgestyle,outer sep=0.5cm] ([yshift=0.25cm]line0_gate1) rectangle ([yshift=-0.25cm]line0_gate3) node[pos=.5] {H};draw (line0_gate0) edge[edgestyle] (line0_gate1);node[none] (line1_gate0) at (0.1,-1) {$Ket{0}$};node[none] (line1_gate1) at (0.5,-1) {};node[none,minimum height=0.5cm,outer sep=0] (line1_gate2) at (0.75,-1) {};node[none] (line1_gate3) at (1.0,-1) {};draw[operator,edgestyle,outer sep=0.5cm] ([yshift=0.25cm]line1_gate1) rectangle ([yshift=-0.25cm]line1_gate3) node[pos=.5] {H};draw (line1_gate0) edge[edgestyle] (line1_gate1);node[none] (line2_gate0) at (0.1,-2) {$Ket{0}$};node[none] (line2_gate1) at (0.5,-2) {};node[none,minimum height=0.5cm,outer sep=0] (line2_gate2) at (0.75,-2) {};node[none] (line2_gate3) at (1.0,-2) {};draw[operator,edgestyle,outer sep=0.5cm] ([yshift=0.25cm]line2_gate1) rectangle ([yshift=-0.25cm]line2_gate3) node[pos=.5] {H};draw (line2_gate0) edge[edgestyle] (line2_gate1);node[xstyle] (line1_gate4) at (1.4000000000000001,-1) {};draw[edgestyle] (line1_gate4.north)--(line1_gate4.south);draw[edgestyle] (line1_gate4.west)--(line1_gate4.east);node[phase] (line2_gate4) at (1.4000000000000001,-2) {};draw (line2_gate4) edge[edgestyle] (line1_gate4);draw (line1_gate3) edge[edgestyle] (line1_gate4);draw (line2_gate3) edge[edgestyle] (line2_gate4);node[xstyle] (line0_gate4) at (1.9500000000000002,-0) {};draw[edgestyle] (line0_gate4.north)--(line0_gate4.south);draw[edgestyle] (line0_gate4.west)--(line0_gate4.east);node[phase] (line1_gate5) at (1.9500000000000002,-1) {};draw (line1_gate5) edge[edgestyle] (line0_gate4);draw (line0_gate3) edge[edgestyle] (line0_gate4);draw (line1_gate4) edge[edgestyle] (line1_gate5);node[measure,edgestyle] (line0_gate5) at (2.6000000000000005,-0) {};draw[edgestyle] ([yshift=-0.18cm,xshift=0.07500000000000001cm]line0_gate5.west) to [out=60,in=180] ([yshift=0.035cm]line0_gate5.center) to [out=0, in=120] ([yshift=-0.18cm,xshift=-0.07500000000000001cm]line0_gate5.east);draw[edgestyle] ([yshift=-0.18cm]line0_gate5.center) to ([yshift=-0.07500000000000001cm,xshift=-0.18cm]line0_gate5.north east);draw (line0_gate4) edge[edgestyle] (line0_gate5);node[measure,edgestyle] (line1_gate6) at (2.6000000000000005,-1) {};draw[edgestyle] ([yshift=-0.18cm,xshift=0.07500000000000001cm]line1_gate6.west) to [out=60,in=180] ([yshift=0.035cm]line1_gate6.center) to [out=0, in=120] ([yshift=-0.18cm,xshift=-0.07500000000000001cm]line1_gate6.east);draw[edgestyle] ([yshift=-0.18cm]line1_gate6.center) to ([yshift=-0.07500000000000001cm,xshift=-0.18cm]line1_gate6.north east);draw (line1_gate5) edge[edgestyle] (line1_gate6);node[measure,edgestyle] (line2_gate5) at (2.0500000000000003,-2) {};draw[edgestyle] ([yshift=-0.18cm,xshift=0.07500000000000001cm]line2_gate5.west) to [out=60,in=180] ([yshift=0.035cm]line2_gate5.center) to [out=0, in=120] ([yshift=-0.18cm,xshift=-0.07500000000000001cm]line2_gate5.east);draw[edgestyle] ([yshift=-0.18cm]line2_gate5.center) to ([yshift=-0.07500000000000001cm,xshift=-0.18cm]line2_gate5.north east);draw (line2_gate4) edge[edgestyle] (line2_gate5);end{tikzpicture}end{document}

這個文件不僅結構復雜，對周邊所依賴的tex文件其實也不少，此前在其他平臺（Win10）測試這個tex文件的編譯的時候，都需要手動的去下載很多的依賴文件，然后放到同一個文件夾下才能正常運行和使用。這里我們直接運行，發現也可以生成這個pdf文件：

說明環境里面確實已經包含了很多必備的工具，跟overleaf的環境應該是比較類似的，使得我們可以在本地非常人性化的、輕便的可以編譯tex文件。

為了在本地構建一個可用性強、易于部署的環境，我們選擇了放棄直接安裝pdflatex的方案，以及線上的overleaf的方案。這些方案各有利弊，但是綜合起來看，對于個人使用的環境而言，還是在本地使用docker鏡像直接部署一個tex編譯環境是最方便、最人性化的。

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本文首發鏈接為：https://www.cnblogs.com/dechinphy/p/pdflatex.html作者ID：DechinPhy

參考鏈接https://www.cnblogs.com/dechinphy/p/circuit.html

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