openldap presentation

convert

@@ -0,0 +1 @@
+pandoc -s --dpi=300 --slide-level 2 --toc --listings --shift-heading-level=0 --columns=50 --template default_mod.latex --pdf-engine lualatex -f "$SOURCE_FORMAT" -M date="$DATE_COVER" -V lang=en-US -t beamer openldap.md -o presentation.pdf

default_mod.latex

@@ -0,0 +1,550 @@
+% Options for packages loaded elsewhere
+\PassOptionsToPackage{unicode$for(hyperrefoptions)$,$hyperrefoptions$$endfor$}{hyperref}
+\PassOptionsToPackage{hyphens}{url}
+$if(colorlinks)$
+\PassOptionsToPackage{dvipsnames,svgnames*,x11names*}{xcolor}
+$endif$
+$if(dir)$
+$if(latex-dir-rtl)$
+\PassOptionsToPackage{RTLdocument}{bidi}
+$endif$
+$endif$
+%
+\documentclass[
+$if(fontsize)$
+  $fontsize$,
+$endif$
+$if(lang)$
+  $babel-lang$,
+$endif$
+$if(papersize)$
+  $papersize$paper,
+$endif$
+$if(beamer)$
+  ignorenonframetext,
+$if(handout)$
+  handout,
+$endif$
+$if(aspectratio)$
+  aspectratio=$aspectratio$,
+$endif$
+$endif$
+$for(classoption)$
+  $classoption$$sep$,
+$endfor$
+]{$documentclass$}
+$if(beamer)$
+$if(background-image)$
+\usebackgroundtemplate{%
+  \includegraphics[width=\paperwidth]{$background-image$}%
+}
+$endif$
+\usepackage{pgfpages}
+\setbeamertemplate{caption}[numbered]
+\setbeamertemplate{caption label separator}{: }
+\setbeamercolor{caption name}{fg=normal text.fg}
+\beamertemplatenavigationsymbols$if(navigation)$$navigation$$else$empty$endif$
+
+%%
+%%% Definition of colors
+%%% Source: https://latexcolor.com/
+\definecolor{blanchedalmond}{rgb}{1.0, 0.92, 0.8}
+\definecolor{blond}{rgb}{0.98, 0.94, 0.75}
+%%% End of definition of colors
+%%
+
+$for(beameroption)$
+\setbeameroption{$beameroption$}
+$endfor$
+% Prevent slide breaks in the middle of a paragraph
+\widowpenalties 1 10000
+\raggedbottom
+$if(section-titles)$
+\setbeamertemplate{part page}{
+  \centering
+  \begin{beamercolorbox}[sep=16pt,center]{part title}
+    \usebeamerfont{part title}\insertpart\par
+  \end{beamercolorbox}
+}
+\setbeamertemplate{section page}{
+  \centering
+  \begin{beamercolorbox}[sep=12pt,center]{part title}
+    \usebeamerfont{section title}\insertsection\par
+  \end{beamercolorbox}
+}
+\setbeamertemplate{subsection page}{
+  \centering
+  \begin{beamercolorbox}[sep=8pt,center]{part title}
+    \usebeamerfont{subsection title}\insertsubsection\par
+  \end{beamercolorbox}
+}
+\AtBeginPart{
+  \frame{\partpage}
+}
+\AtBeginSection{
+  \ifbibliography
+  \else
+    \frame{\sectionpage}
+  \fi
+}
+\AtBeginSubsection{
+  \frame{\subsectionpage}
+}
+$endif$
+$endif$
+$if(beamerarticle)$
+\usepackage{beamerarticle} % needs to be loaded first
+$endif$
+$if(fontfamily)$
+\usepackage[$for(fontfamilyoptions)$$fontfamilyoptions$$sep$,$endfor$]{$fontfamily$}
+$else$
+\usepackage{lmodern}
+$endif$
+$if(linestretch)$
+\usepackage{setspace}
+$endif$
+\usepackage{amssymb,amsmath}
+\usepackage{ifxetex,ifluatex}
+\ifnum 0\ifxetex 1\fi\ifluatex 1\fi=0 % if pdftex
+  \usepackage[$if(fontenc)$$fontenc$$else$T1$endif$]{fontenc}
+  \usepackage[utf8]{inputenc}
+  \usepackage{textcomp} % provide euro and other symbols
+\else % if luatex or xetex
+$if(mathspec)$
+  \ifxetex
+    \usepackage{mathspec}
+  \else
+    \usepackage{unicode-math}
+  \fi
+$else$
+  \usepackage{unicode-math}
+$endif$
+  \defaultfontfeatures{Scale=MatchLowercase}
+  \defaultfontfeatures[\rmfamily]{Ligatures=TeX,Scale=1}
+$if(mainfont)$
+  \setmainfont[$for(mainfontoptions)$$mainfontoptions$$sep$,$endfor$]{$mainfont$}
+$endif$
+$if(sansfont)$
+  \setsansfont[$for(sansfontoptions)$$sansfontoptions$$sep$,$endfor$]{$sansfont$}
+$endif$
+$if(monofont)$
+  \setmonofont[$for(monofontoptions)$$monofontoptions$$sep$,$endfor$]{$monofont$}
+$endif$
+$for(fontfamilies)$
+  \newfontfamily{$fontfamilies.name$}[$for(fontfamilies.options)$$fontfamilies.options$$sep$,$endfor$]{$fontfamilies.font$}
+$endfor$
+$if(mathfont)$
+$if(mathspec)$
+  \ifxetex
+    \setmathfont(Digits,Latin,Greek)[$for(mathfontoptions)$$mathfontoptions$$sep$,$endfor$]{$mathfont$}
+  \else
+    \setmathfont[$for(mathfontoptions)$$mathfontoptions$$sep$,$endfor$]{$mathfont$}
+  \fi
+$else$
+  \setmathfont[$for(mathfontoptions)$$mathfontoptions$$sep$,$endfor$]{$mathfont$}
+$endif$
+$endif$
+$if(CJKmainfont)$
+  \ifxetex
+    \usepackage{xeCJK}
+    \setCJKmainfont[$for(CJKoptions)$$CJKoptions$$sep$,$endfor$]{$CJKmainfont$}
+  \fi
+$endif$
+$if(luatexjapresetoptions)$
+  \ifluatex
+    \usepackage[$for(luatexjapresetoptions)$$luatexjapresetoptions$$sep$,$endfor$]{luatexja-preset}
+  \fi
+$endif$
+$if(CJKmainfont)$
+  \ifluatex
+    \usepackage[$for(luatexjafontspecoptions)$$luatexjafontspecoptions$$sep$,$endfor$]{luatexja-fontspec}
+    \setmainjfont[$for(CJKoptions)$$CJKoptions$$sep$,$endfor$]{$CJKmainfont$}
+  \fi
+$endif$
+\fi
+$if(beamer)$
+$if(theme)$
+\usetheme[$for(themeoptions)$$themeoptions$$sep$,$endfor$]{$theme$}
+$endif$
+$if(colortheme)$
+\usecolortheme{$colortheme$}
+$endif$
+$if(fonttheme)$
+\usefonttheme{$fonttheme$}
+$endif$
+$if(mainfont)$
+\usefonttheme{serif} % use mainfont rather than sansfont for slide text
+$endif$
+$if(innertheme)$
+\useinnertheme{$innertheme$}
+$endif$
+$if(outertheme)$
+\useoutertheme{$outertheme$}
+$endif$
+$endif$
+% Use upquote if available, for straight quotes in verbatim environments
+\IfFileExists{upquote.sty}{\usepackage{upquote}}{}
+\IfFileExists{microtype.sty}{% use microtype if available
+  \usepackage[$for(microtypeoptions)$$microtypeoptions$$sep$,$endfor$]{microtype}
+  \UseMicrotypeSet[protrusion]{basicmath} % disable protrusion for tt fonts
+}{}
+$if(indent)$
+$else$
+\makeatletter
+\@ifundefined{KOMAClassName}{% if non-KOMA class
+  \IfFileExists{parskip.sty}{%
+    \usepackage{parskip}
+  }{% else
+    \setlength{\parindent}{0pt}
+    \setlength{\parskip}{6pt plus 2pt minus 1pt}}
+}{% if KOMA class
+  \KOMAoptions{parskip=half}}
+\makeatother
+$endif$
+$if(verbatim-in-note)$
+\usepackage{fancyvrb}
+$endif$
+\usepackage{xcolor}
+\IfFileExists{xurl.sty}{\usepackage{xurl}}{} % add URL line breaks if available
+\IfFileExists{bookmark.sty}{\usepackage{bookmark}}{\usepackage{hyperref}}
+\hypersetup{
+$if(title-meta)$
+  pdftitle={$title-meta$},
+$endif$
+$if(author-meta)$
+  pdfauthor={$author-meta$},
+$endif$
+$if(lang)$
+  pdflang={$lang$},
+$endif$
+$if(subject)$
+  pdfsubject={$subject$},
+$endif$
+$if(keywords)$
+  pdfkeywords={$for(keywords)$$keywords$$sep$, $endfor$},
+$endif$
+$if(colorlinks)$
+  colorlinks=true,
+  linkcolor=$if(linkcolor)$$linkcolor$$else$Maroon$endif$,
+  filecolor=$if(filecolor)$$filecolor$$else$Maroon$endif$,
+  citecolor=$if(citecolor)$$citecolor$$else$Blue$endif$,
+  urlcolor=$if(urlcolor)$$urlcolor$$else$Blue$endif$,
+$else$
+  hidelinks,
+$endif$
+  pdfcreator={LaTeX via pandoc}}
+\urlstyle{same} % disable monospaced font for URLs
+$if(verbatim-in-note)$
+\VerbatimFootnotes % allow verbatim text in footnotes
+$endif$
+$if(geometry)$
+$if(beamer)$
+\geometry{$for(geometry)$$geometry$$sep$,$endfor$}
+$else$
+\usepackage[$for(geometry)$$geometry$$sep$,$endfor$]{geometry}
+$endif$
+$endif$
+$if(beamer)$
+\newif\ifbibliography
+$endif$
+$if(listings)$
+\usepackage{listings}
+\newcommand{\passthrough}[1]{#1}
+\lstset{defaultdialect=sh}
+\lstset{framexleftmargin=0mm, frame=trBL,backgroundcolor=\color{blanchedalmond!5},numbers=left,numberstyle=\scriptsize,basicstyle=\small}
+\lstset{aboveskip=5mm,belowskip=5mm,xleftmargin=20pt,xrightmargin=5pt}
+% \lstset{prebreak={\raisebox{0ex}[0ex][0ex]}}
+% \lstset{postbreak={\raisebox{0ex}[0ex][0ex]\space}}
+\lstset{breaklines=true,breakatwhitespace=true}
+$endif$
+$if(lhs)$
+\lstnewenvironment{code}{\lstset{language=Haskell,basicstyle=\small\ttfamily}}{}
+$endif$
+$if(highlighting-macros)$
+$highlighting-macros$
+$endif$
+$if(tables)$
+\usepackage{longtable,booktabs}
+$if(beamer)$
+\usepackage{caption}
+% Make caption package work with longtable
+\makeatletter
+\def\fnum@table{\tablename~\thetable}
+\makeatother
+$else$
+% Correct order of tables after \paragraph or \subparagraph
+\usepackage{etoolbox}
+\makeatletter
+\patchcmd\longtable{\par}{\if@noskipsec\mbox{}\fi\par}{}{}
+\makeatother
+% Allow footnotes in longtable head/foot
+\IfFileExists{footnotehyper.sty}{\usepackage{footnotehyper}}{\usepackage{footnote}}
+\makesavenoteenv{longtable}
+$endif$
+$endif$
+$if(graphics)$
+\usepackage{graphicx,grffile}
+\makeatletter
+\def\maxwidth{\ifdim\Gin@nat@width>\linewidth\linewidth\else\Gin@nat@width\fi}
+\def\maxheight{\ifdim\Gin@nat@height>\textheight\textheight\else\Gin@nat@height\fi}
+\makeatother
+% Scale images if necessary, so that they will not overflow the page
+% margins by default, and it is still possible to overwrite the defaults
+% using explicit options in \includegraphics[width, height, ...]{}
+\setkeys{Gin}{width=\maxwidth,height=\maxheight,keepaspectratio}
+% Set default figure placement to htbp
+\makeatletter
+\def\fps@figure{htbp}
+\makeatother
+$endif$
+$if(links-as-notes)$
+% Make links footnotes instead of hotlinks:
+\DeclareRobustCommand{\href}[2]{#2\footnote{\url{#1}}}
+$endif$
+$if(strikeout)$
+\usepackage[normalem]{ulem}
+% Avoid problems with \sout in headers with hyperref
+\pdfstringdefDisableCommands{\renewcommand{\sout}{}}
+$endif$
+\setlength{\emergencystretch}{3em} % prevent overfull lines
+\providecommand{\tightlist}{%
+  \setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}
+$if(numbersections)$
+\setcounter{secnumdepth}{$if(secnumdepth)$$secnumdepth$$else$5$endif$}
+$else$
+\setcounter{secnumdepth}{-\maxdimen} % remove section numbering
+$endif$
+
+%
+% When using babel or polyglossia with biblatex, loading csquotes is recommended 
+% to ensure that quoted texts are typeset according to the rules of your main language.
+%
+\usepackage{csquotes}
+
+%
+% blockquote
+%
+\definecolor{blockquote-border}{RGB}{221,221,221}
+\definecolor{blockquote-text}{RGB}{89,89,89}
+\usepackage{mdframed}
+\newmdenv[rightline=false,bottomline=false,topline=false,linewidth=3pt,linecolor=blockquote-border,skipabove=\parskip]{customblockquote}
+\renewenvironment{quote}{\begin{customblockquote}\list{}{\rightmargin=0em\leftmargin=0em}%
+\item\relax\color{blockquote-text}\ignorespaces}{\unskip\unskip\endlist\end{customblockquote}}
+
+%
+% Source Sans Pro as the de­fault font fam­ily
+% Source Code Pro for monospace text
+%
+% 'default' option sets the default 
+% font family to Source Sans Pro, not \sfdefault.
+%
+$if(mainfont)$
+$else$
+\usepackage[default]{sourcesanspro}
+\usepackage{sourcecodepro}
+
+% XeLaTeX specific adjustments for straight quotes: https://tex.stackexchange.com/a/354887
+% This issue is already fixed (see https://github.com/silkeh/latex-sourcecodepro/pull/5) but the 
+% fix is still unreleased.
+% TODO: Remove this workaround when the new version of sourcecodepro is reelased on CTAN.
+\ifxetex
+\makeatletter
+\defaultfontfeatures[\ttfamily]
+  { Numbers   = \sourcecodepro@figurestyle,
+    Scale     = \SourceCodePro@scale,
+    Extension = .otf }
+\setmonofont
+  [ UprightFont    = *-\sourcecodepro@regstyle,
+    ItalicFont     = *-\sourcecodepro@regstyle It,
+    BoldFont       = *-\sourcecodepro@boldstyle,
+    BoldItalicFont = *-\sourcecodepro@boldstyle It ]
+  {SourceCodePro}
+\makeatother
+\fi
+$endif$
+
+$if(beamer)$
+$else$
+$if(block-headings)$
+% Make \paragraph and \subparagraph free-standing
+\ifx\paragraph\undefined\else
+  \let\oldparagraph\paragraph
+  \renewcommand{\paragraph}[1]{\oldparagraph{#1}\mbox{}}
+\fi
+\ifx\subparagraph\undefined\else
+  \let\oldsubparagraph\subparagraph
+  \renewcommand{\subparagraph}[1]{\oldsubparagraph{#1}\mbox{}}
+\fi
+$endif$
+$endif$
+$if(pagestyle)$
+\pagestyle{$pagestyle$}
+$endif$
+$for(header-includes)$
+$header-includes$
+$endfor$
+$if(lang)$
+\ifxetex
+  % Load polyglossia as late as possible: uses bidi with RTL langages (e.g. Hebrew, Arabic)
+  \usepackage{polyglossia}
+  \setmainlanguage[$polyglossia-lang.options$]{$polyglossia-lang.name$}
+$for(polyglossia-otherlangs)$
+  \setotherlanguage[$polyglossia-otherlangs.options$]{$polyglossia-otherlangs.name$}
+$endfor$
+\else
+  \usepackage[shorthands=off,$for(babel-otherlangs)$$babel-otherlangs$,$endfor$main=$babel-lang$]{babel}
+$if(babel-newcommands)$
+  $babel-newcommands$
+$endif$
+\fi
+$endif$
+$if(dir)$
+\ifxetex
+  % Load bidi as late as possible as it modifies e.g. graphicx
+  \usepackage{bidi}
+\fi
+\ifnum 0\ifxetex 1\fi\ifluatex 1\fi=0 % if pdftex
+  \TeXXeTstate=1
+  \newcommand{\RL}[1]{\beginR #1\endR}
+  \newcommand{\LR}[1]{\beginL #1\endL}
+  \newenvironment{RTL}{\beginR}{\endR}
+  \newenvironment{LTR}{\beginL}{\endL}
+\fi
+$endif$
+$if(natbib)$
+\usepackage[$natbiboptions$]{natbib}
+\bibliographystyle{$if(biblio-style)$$biblio-style$$else$plainnat$endif$}
+$endif$
+$if(biblatex)$
+\usepackage[$if(biblio-style)$style=$biblio-style$,$endif$$for(biblatexoptions)$$biblatexoptions$$sep$,$endfor$]{biblatex}
+$for(bibliography)$
+\addbibresource{$bibliography$}
+$endfor$
+$endif$
+
+$if(title)$
+\title{$title$$if(thanks)$\thanks{$thanks$}$endif$}
+$endif$
+$if(subtitle)$
+$if(beamer)$
+$else$
+\usepackage{etoolbox}
+\makeatletter
+\providecommand{\subtitle}[1]{% add subtitle to \maketitle
+  \apptocmd{\@title}{\par {\large #1 \par}}{}{}
+}
+\makeatother
+$endif$
+\subtitle{$subtitle$}
+$endif$
+$if(author)$
+\author{$for(author)$$author$$sep$ \and $endfor$}
+$endif$
+\date{$date$}
+$if(beamer)$
+$if(institute)$
+\institute{$for(institute)$$institute$$sep$ \and $endfor$}
+$endif$
+$if(titlegraphic)$
+\titlegraphic{\includegraphics{$titlegraphic$}}
+$endif$
+$if(logo)$
+\logo{\includegraphics{$logo$}}
+$endif$
+$endif$
+
+\begin{document}
+$if(has-frontmatter)$
+\frontmatter
+$endif$
+$if(title)$
+$if(beamer)$
+\frame{\titlepage}
+$else$
+\maketitle
+$endif$
+$if(abstract)$
+\begin{abstract}
+$abstract$
+\end{abstract}
+$endif$
+$endif$
+
+$for(include-before)$
+$include-before$
+
+$endfor$
+$if(toc)$
+$if(toc-title)$
+\renewcommand*\contentsname{$toc-title$}
+$endif$
+$if(beamer)$
+\begin{frame}
+$if(toc-title)$
+  \frametitle{$toc-title$}
+$endif$
+  \tableofcontents[hideallsubsections]
+\end{frame}
+$else$
+{
+$if(colorlinks)$
+\hypersetup{linkcolor=$if(toccolor)$$toccolor$$else$$endif$}
+$endif$
+\setcounter{tocdepth}{$toc-depth$}
+\tableofcontents
+}
+$endif$
+$endif$
+$if(lot)$
+\listoftables
+$endif$
+$if(lof)$
+\listoffigures
+$endif$
+$if(linestretch)$
+\setstretch{$linestretch$}
+$endif$
+$if(has-frontmatter)$
+\mainmatter
+$endif$
+$body$
+
+$if(has-frontmatter)$
+\backmatter
+$endif$
+$if(natbib)$
+$if(bibliography)$
+$if(biblio-title)$
+$if(has-chapters)$
+\renewcommand\bibname{$biblio-title$}
+$else$
+\renewcommand\refname{$biblio-title$}
+$endif$
+$endif$
+$if(beamer)$
+\begin{frame}[allowframebreaks]{$biblio-title$}
+  \bibliographytrue
+$endif$
+  \bibliography{$for(bibliography)$$bibliography$$sep$,$endfor$}
+$if(beamer)$
+\end{frame}
+$endif$
+
+$endif$
+$endif$
+$if(biblatex)$
+$if(beamer)$
+\begin{frame}[allowframebreaks]{$biblio-title$}
+  \bibliographytrue
+  \printbibliography[heading=none]
+\end{frame}
+$else$
+\printbibliography$if(biblio-title)$[title=$biblio-title$]$endif$
+$endif$
+
+$endif$
+$for(include-after)$
+$include-after$
+
+$endfor$
+\end{document}

openldap.md

@@ -1,7 +1,9 @@
 ---
 title: OpenLDAP
 author: Akshay Pushparaj
-theme: Bergen
+theme: Berlin
+#mainfont: Iosevka Regular
+fontsize: 8pt
 ---
 # Introduction to LDAP
 ## What is LDAP?
@@ -19,7 +21,7 @@ LDAP information model is based on entries. An entry is a collection of attribut
 ## How is the information arranged? 
 Directory entries are arranged in a hierarchical tree-like structure.
 
-![LDAP Tree](./ldap_tree.png){#id .class width=200 height=200 display=block}
+![LDAP Tree](./ldap_tree.png){#id .class width=500 height=500 display=block}
 
 ## Differences between traditional databases
 - LDAP is a open standard protocol. 
@@ -49,10 +51,30 @@ Some of the usecases of LDAP are:
 - Lightweight
 - Supports a wide variety of backends or databases.
 - Supports components called overlays which can be used to customize backend behaviour without the need to write a custom backend.
-- Has support for wide variety of OS.
-- OpenLDAP is highly flexible. Its minimal UI and code-reliant functionality don’t lock users into predetermined workflows; rather, IT can manipulate the software to do exactly what they need.
+- Has support for wide variety of OS and services.
+- OpenLDAP is highly flexible. Has code-reliant functionality which doesn’t lock users into predetermined workflows; rather, we can manipulate the software to our exact needs.
 
 ## Cons
-	- Directory configuration and management are manual.
+- Directory configuration and management are manual.
+
+# Alternative LDAP implementation
+
+## 389 DS and FreeIPA
+- Like OpenLDAP, 389 DS or 389 Directory Server is a LDAP implementation by RedHat  as part of the community-supported Fedora project.
+- 389 DS have a graphical interface that can be used for administration.
+
+![389 DS management console](./389ds.png){#id .class display=block}
+
+- FreeIPA is an identity management system created by RedHat. The aim with FreeIPA is to provide a centrally managed Identity, Policy and Audit(IPA)  system.
+  - Identity management ensure the right users have appropriate access to resources.
+  - Security policies are a set of requirements to maintain a safe and secure computing environment.
+  - Audit trail are records of events, procedures or operations being done on the system.
+
+- FreeIPA uses a combination of different software inorder to acheive an IPA system. It uses Fedora, 389 DS, Kerberos, DNS, SSSD and other free and open source components. 
+- The advantage of using FreeIPA is that it is easy to setup. Since everything is taken care by FreeIPA for us it has less flexibilty comapred to OpenLDAP. 
+- FreeIPA has a Web UI for administration. 
+
+## Samba
+