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% Document Info
\author{nhatlong0605}
\pdfinfo{
  /Title (lfcs-module6-serviceconfiguration.pdf)
  /Creator (Cheatography)
  /Author (nhatlong0605)
  /Subject (LFCS\_Module6\_ServiceConfiguration Cheat Sheet)
}

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\begin{multicols}{3}
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    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{LFCS\_Module6\_ServiceConfiguration Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{nhatlong0605} via \textcolor{DarkBackground}{\uline{cheatography.com/68292/cs/17258/}}}
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\begin{multicols}{3}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}nhatlong0605 \\
  \uline{cheatography.com/nhatlong0605} \\
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 27th September, 2018.\\
   Updated 16th November, 2018.\\
   Page {\thepage} of \pageref{LastPage}.
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  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
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\begin{document}
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\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{x{3.44 cm} x{4.56 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Web Services}}  \tn
% Row 0
\SetRowColor{LightBackground}
systemctl start httpd & Start the Apache web service \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
vim \seqsplit{/etc/httpd/conf/httpd}.conf & Main config file for Apache \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{/etc/httpd/conf.d} & Additional config, drop any addtional here \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\seqsplit{/etc/httpd/conf.modules.d} & Addtional config \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Squid Proxy}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{yum install squid \newline vim /etc/squid/squid.conf \newline systemctl enable -{}-now squid \newline  \newline \#Configure browser \newline Preferences -\textgreater{} Advanced -\textgreater{} Network -\textgreater{} Settings -\textgreater{} Manual: 192.168.4.240 port 3128} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Virtual Hosts}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{- vim /etc/hosts; Create name resolution \newline % Row Count 1 (+ 1)
- cd /etc/httpd/conf.d/; vim account.example.com.conf : Create virtual host w/ content \newline % Row Count 3 (+ 2)
\textless{}VirtualHost *:80\textgreater{} \newline % Row Count 4 (+ 1)
ServerAdmin \seqsplit{webmaster@account.example.com} \newline % Row Count 5 (+ 1)
DocumentRoot /web/account \newline % Row Count 6 (+ 1)
ServerName account.example.com \newline % Row Count 7 (+ 1)
\textless{}/VirtualHost\textgreater{} \newline % Row Count 8 (+ 1)
- mkdir /web/account; cd /web/account; vim index.html : Create index file% Row Count 10 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.52 cm} x{4.48 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{FTP Server}}  \tn
% Row 0
\SetRowColor{LightBackground}
yum install vsftpd & Install Very Secure ftp \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
/etc/vsftpd & Main config file \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
yum install lftp & Install ftp client \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
lftp localhost & Connect to ftp \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Configure Postfix}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\#Email delivery \newline vim /etc/postfix/main.cf \newline    relayhost = {[}192.168.4.200{]} \newline    relay\_domains = \$mydestination \newline  \newline \#Email Receiving \newline vim /etc/postfix/main.cf \newline    myorigin = \$myhostname \newline    mynetworks = 192.168.0.0/16 \newline    inet\_protocols = ipv4 \newline    inet\_interfaces = all \newline    mydestination = ...., \seqsplit{hash:/etc/postfix/transport} \newline  \newline \#setting transport \newline vim /etc/postfix/transport \newline   example.com local: \newline   .example.com local: \newline  \newline \#update transport table \newline postmap /etc/postfix/transport} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Configure an IMAP service}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{yum install dovecot \newline vim /etc/dovecot.conf \newline   protocols = imap pop3 \newline vim \seqsplit{/etc/dovecot/conf.d/10-mail.conf} \newline   mail\_location = mbox:\textasciitilde{}/mail:INBOX=/var/mail/\%u \newline   mail\_privileged\_group = mail \newline vim \seqsplit{/etc/dovecot/conf.d/10-ssl.conf} \newline   ssl\_cert = \textless{}/etc/pki/dovecot/certs/dovecot.pem \newline   ssl\_key = \textless{}/etc/pki/dovecot/private/dovecot.pem \newline dovecot -n} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Message Transport Agent – MTA: mail relay, Postfix \newline Mail User Agent – MUA: Gmail, Outbook, Thunderbird \newline Mail Delivery Agent - MDA: Dovecot}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Setting Up Email Services}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\#Email aliases \newline vim /etc/postfix/aliases \newline   user1: user1, user2  \newline postalias /etc/postfix/aliases   reload configuration \newline  \newline \#parameters \newline myorigin \newline inet\_interfaces = yourIP, localhost \newline mydestination = \$myhostname, localhost.\$mydomain, localhost, \$mydomain \newline  \newline \#Send email to test \newline echo "This is a test" | mail -s "test" root@example.com \newline  \newline \#Check \newline mail} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Cache-only DNS Server}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{yum install unbound \newline systemctl enable -{}-now unbound \newline iptables -A INPUT -p udp/tcp -dport 53 -j ACCEPT \newline vim \seqsplit{/etc/unbound/unbound.conf} \newline   \# interface: 0.0.0.0 \newline   \# access-control: 192.168.0.0/16 allow \newline   \#domain-insecure: "example.com" \newline   \# forward-zone: \newline                   name: "." \newline                   forward-addr: 8.8.8.8 \newline systemctl restart unbound \newline netstat -tulpen (Show listening port)} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.8 cm} x{3.2 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Database}}  \tn
% Row 0
\SetRowColor{LightBackground}
yum install mariadb & Install Mariadb \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\seqsplit{mysql\_secure\_installation} & Interactive setup for Mysql \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
mysql -u root -p & Login mysql using root \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
create database {\emph{dbname}} & Create database \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
use people; create table users(firstname varchar(20),....); & Create table \tn 
% Row Count 9 (+ 3)
% Row 5
\SetRowColor{white}
insert into user(...) values(...); & Insert values \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
select * from users & Show table \tn 
% Row Count 12 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Configure NFS Server}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{mkdir /nfsshare (Create folder for NFS) \newline chown nfsnobody:nfsnobody /nfsshare (Change owner to special nfsnobody user) \newline chmod 755 /nfsshare \newline  \newline vim /etc/exports \newline   /share *(rw,no\_root\_squash) \newline  \newline systemctl enable -{}-now nfs-server \newline systemctl enable -{}-now rpcbind \newline systemctl enable -{}-now nfs-idmap \newline  \newline \#Mounting NFS Share persistently \newline ssh into remote client \newline yum install nfs-utils (install nfs utilities) \newline mkdir -p /mnt/remote (Create mount point) \newline mount -t nfs ServerIP:/share /mnt/remote (Mount) \newline vim /etc/fstab \newline   \#centos:/share  /centos/nfs  nfs  \_netdev  0 0\textbackslash{} \newline umount /centos/nfs \newline mount -a} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Configure Samba Server}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{yum install samba \newline mv \seqsplit{/etc/samb/smb.conf.example} /etc/samba/smb.conf (Overwrite) \newline vim /etc/samba/smb.conf (Create a samba share) \newline   {[}share{]} \newline             comment = samba share \newline             path = /samba \newline             public = yes \newline mkdir /samba \newline semanage fcontext -a -t samba\_share\_t /samba \newline restorecon -Rv /samba \newline systemctl start smb \newline  \newline \#Create samba user \newline smbpasswd -a anna \newline  \newline \#smb client \newline yum install smbclient \newline smbclient -L localhost \newline  \newline \#Mount smb persistently \newline mount -o username=anna //centos/share /mnt \newline yum install clifs-utils (Install additonal utils) \newline mkdfir /centos/samba \newline vim /etc/fstab \newline   //centos/samba /centos/samba cifs  \newline    \_netdev,username=anna,password=password 0 0} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{KVM}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{yum group install "Virtualization Host" or yum install qemu-kvm libvirt libvirt-client virt-install virt-viewer virt-manager \newline systemctl start libvirtd \newline virt (Start Virtual manger) \newline  \newline \# \newline virsh list (Show available VMs) \newline virsh list -{}-all (Show all VMs) \newline virsh start {\emph{VM name}} \newline virsh stop {\emph{VM name}} \newline virsh autostart {\emph{VM name}} (Autostart after the host reboot) \newline virsh autostart -{}-disable {\emph{VMname}} (Disable autostart) \newline  \newline  \newline virt-install -{}-name=VM1 -{}-vcpus=1 -{}-memory=1024 -{}-cdrom=isoimage \newline virsh edit VM1 (Edit VM1 virtual machine) \newline virt-clone -{}-original=VM1 -{}-name=VM2 -{}-file=/var/lib/libviages/VM1.qcow2} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Managing Docker containers}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\# Install packages \newline yum install -y yum-utils \seqsplit{device-mapper-persistent-data} lvm2 \newline  \newline \#Setup stable Docker repo \newline yum-config-manager -{}-add-repo \seqsplit{https://download.docker.com/linux/centos/docker-ce.repo} \newline  \newline \#Install Docker CE \newline yum install docker-ce \newline  \newline \#Start Docker service \newline systemctl start docker \newline  \newline docker search hello \newline docker pull hello-world \newline docker run hello-world \newline  \newline docker images (check available images) \newline docker ps -a (Check all containers) \newline docker start {\emph{id}} (Start specific container) \newline docker run -it ubuntu bash (Run bash shell inside container) \newline  \newline docker run -dit -{}-name la-test-web -p 80:80 -v \seqsplit{/home/long/webstuff/:/usr/local/apache2/htdocs/httpd:2}.4 (Create a container for running web server) \newline docker rm la-test-web (Remove container la-test-web)} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}