| Acronym | Definition |
|---|
| ACL | Access Control List |
| API | Application Program Interface |
| ARP | Address Resolution Protocol |
| Bash | Bourne Again SHell |
| BIND | Berkeley Internet Name Domain |
| BIOS | Basic Input/Output System |
| CI/CD | Continuous Integration/Continuous Delivery |
| CIFS | Common Internet File System |
| CPU | Central Processing Unit |
| DNS | Domain Name System |
| FHS | Filesystem Hierarchy Standard |
| FTP | File Transfer Protocol |
| FUSE | Filesystem in Userspace |
| GPT | GUID (Globally Unique Identifier) Partition Table |
| GRUB | Grand Unified Bootloader |
| GUI | Graphical User Interface |
| GUID | Globally Unique Identifier |
| HBA | Host Bus Adapter |
| HTML | HyperText Markup Language |
| HTTP | HyperText Transfer Protocol |
| HTTPD | HyperText Transfer Protocol Daemon |
| HTTPS | HyperText Transfer Protocol Secure |
| ICMP | Internet Control Message Protocol |
| I/O | Input/Output |
| IOPS | Input/Ouput Operations Per Second |
| IP | Internet Protocol |
| ISO | International Organization for Standardization |
| JSON | JavaScript Object Notation |
| KVM | Kernel-based Virtual Machine |
| LDAP | Lightweight Directory Access Protocol |
| LUKS | Linux Unified Key Setup |
| LVM | Logical Volume Manager |
| MFA | Multifactor Authentication |
| MBR | Master Boot Record |
| MySQL | My Structured Query Language |
| NAS | Network-attached Storage |
| NAT | Network Address Translation |
| NFS | Network File System |
| NGINX | Engine X |
| NTP | Network Time Protocol |
| NVMe | Non-volatile Memory Express |
| OOM | Out of Memory |
| OS | Operating System |
| PAM | Pluggable Authentication Module |
| PID | Process Identification Number |
| PKI | Public Key Infrastructure |
| PPID | Parent Process ID |
| PXE | Preboot Execution Environment |
| RAID | Redundant Array of Independent (or Inexpensive) Disks |
| RPM | Redhat Package Manager |
| SAN | Storage Area Network |
| SCP | Secure Copy Protocol |
| SELinux | Security Enhanced Linux |
| SFTP | Secure File Transfer Protocol |
| SGID | Set Group ID |
| SMB | Server Message Block |
| SQL | Structured Query Language |
| SSD | Solid-state Drive |
| SSH | Secure Shell |
| SSHD | Solid State Hybrid Drive |
| SSL | Secure Sockets Layer |
| SSO | Single Sign-On |
| SSSD | System Security Services Daemon |
| SUID | Set User ID |
| TCP | Transmission Control Protocol |
| TFTP | Trivial File Transfer Protocol |
| TLS | Transport Layer Security |
| UDP | User Datagram Protocol |
| UEFI | Unified Extensible Firmware Interface |
| UFW | Uncomplicated Firewall |
| USB | Universal Serial Bus |
| UUID | Universally Unique Identifier |
| VM | Virtual Machine |
| VNC | Virtual Network Computing |
| XML | Extensible Markup Language |
| YAML | YAML Ain’t Markup Language |