\setstretch{1.5}  % Set the line spacing to 1.5, this makes the following tables easier to read
\clearpage  % Start a new page
\lhead{\emph{Συντομογραφίες}}  % Set the left side page header to "Abbreviations"
\listofsymbols{ll}  % Include a list of Abbreviations (a table of two columns)
{
\textbf{IaaS} & \textbf{I}nfrastructure \textbf{a}s \textbf{a} \textbf{S}ervice \\
\textbf{PaaS} & \textbf{P}latform \textbf{a}s \textbf{a} \textbf{S}ervice \\
\textbf{SaaS} & \textbf{S}oftware \textbf{a}s \textbf{a} \textbf{S}ervice \\
\textbf{AWS} & \textbf{A}mazon \textbf{W}eb \textbf{S}ervices \\
\textbf{EC2} & \textbf{E}lastic \textbf{C}ompute \textbf{C}loud \\
\textbf{API} & \textbf{A}pplication \textbf{P}rogramming \textbf{I}nterface \\
\textbf{SDK} & \textbf{S}oftware \textbf{D}evelopment \textbf{K}it \\
\textbf{OS} & \textbf{O}perating \textbf{S}ystem \\
\textbf{BIOS} & \textbf{B}asic \textbf{I}nput/\textbf{O}utput \textbf{S}ystem \\
\textbf{UEFI} & \textbf{U}nified \textbf{E}xtensible \textbf{F}irmware \textbf{I}nterface \\
\textbf{MAC} & \textbf{M}andatory \textbf{A}ccess \textbf{C}ontrol \\
\textbf{XSS} & \textbf{C}ross \textbf{S}ite \textbf{S}cripting \\
\textbf{cgroups} & \textbf{c}ontrol groups \\
\textbf{CI/CD} & \textbf{C}ontinuous \textbf{I}ntegration / \textbf{C}ontinuous \textbf{D}elivery \\
\textbf{DevOps} & \textbf{Dev}elopment \textbf{Op}eration\textbf{s} \\
\textbf{LXC} & \textbf{L}inu\textbf{x} \textbf{C}ontainers \\
\textbf{OCI} & \textbf{O}pen \textbf{C}ontainer \textbf{I}nitiative \\
\textbf{TPM} & \textbf{T}rusted \textbf{P}latform \textbf{M}odule \\
\textbf{VM} & \textbf{V}irtual \textbf{M}achine \\
\textbf{VBS} & \textbf{V}irtualization-\textbf{B}ased \textbf{S}ecurity \\
\textbf{KVM} & \textbf{K}ernel-based \textbf{V}irtual \textbf{M}achine \\
\textbf{VMM} & \textbf{V}irtual \textbf{M}achine \textbf{M}onitor \\
\textbf{NFV} & \textbf{N}etwork \textbf{F}unction \textbf{V}irtualization \\
\textbf{IPC} & \textbf{I}nter \textbf{P}rocess \textbf{C}ommunication \\
\textbf{ARP} & \textbf{A}ddress \textbf{R}esolution \textbf{P}rotocol \\
\textbf{DNS} & \textbf{D}omain \textbf{N}ame \textbf{S}ystem \\
\textbf{MitM} & \textbf{M}an-\textbf{i}n-\textbf{t}he-\textbf{M}iddle \\
\textbf{CPU} & \textbf{C}entral \textbf{P}rocessing \textbf{U}nit \\
\textbf{SELinux} & \textbf{S}ecurity-\textbf{E}nhanced \textbf{L}inux \\
\textbf{SecComp} & \textbf{Sec}ure \textbf{Comp}uting \\
\textbf{AppArmor} & \textbf{App}lication Armor \\
\textbf{IP} & \textbf{I}nternet \textbf{P}rotocol \\
\textbf{IPv4} & \textbf{I}nternet \textbf{P}rotocol \textbf{v}ersion 4 \\
\textbf{LAN} & \textbf{L}ocal \textbf{A}rea \textbf{N}etwork \\
\textbf{RAM} & \textbf{R}andom \textbf{A}ccess \textbf{M}emory \\
\textbf{ΛΣ} & \textbf{Λ}ειτουργικό \textbf{Σ}ύστημα \\
\textbf{ΤΠ} & \textbf{Τ}εχνολογίες \textbf{Π}ληροφορικής \\
}

\lhead{}