Index
A
Address
hardware
IP
IPV4
IPV6
localhost
locally administered
loopback
MAC
network
universally administered
Alias
alias
command
host
user
anaconda system installer
anaconda
Anti-virus
anti-virus
Clam-AV
Apache web server
Apache
CGI scripting
Bash
Perl
configuration
dynamic
index file
multiple web sites
static
testing
virtual host
Authentication
Automation
Automate everything
automation
Bash scripts
Chrony
scripts
shell scripts
B
Backup
backup
procedures
recovery testing
remote
rsbu
rsync
tar
Bash
configuration files
/.bash_profile
/.bashrc
/etc/bashrc
/etc/profile
global configuration directory
/etc/profile.d
history
program
shell options
shell scripts
tab completion
Binary
executable
Boot
C
Certificate
authority
self-signed
Chicago
chroot
CIDR
CIDR
Cisco
Classroom
CLI
Code
source
Command
Command line
interface
recall and editing
Command prompt
Comments
Configuration files and directories
/.bash_profile
/.bashrc
/.procmailrc
/.ssh
/.ssh/known_hosts
/etc/aliases
/etc/bashrc
/etc/chrony.conf
/etc/cron.d
/etc/cron.daily
/etc/dhcp/dhcpd.conf
/etc/email/mimedefang-filter
/etc/exports
/etc/freshclam.conf
/etc/fstab
/etc/hosts
/etc/httpd/conf.d/mailman.conf
/etc/httpd/conf/httpd.conf
/etc/localtime
/etc/mail
/etc/mail/local-host-names
/etc/mailman/mm_cfg.py
/etc/mail/mimedefang-filter
/etc/mail/sa-mimedefang.cf
/etc/mail/sendmail.mc
/etc/mail/spamassassin/local.cf
/etc/motd
/etc/named.conf
/etc/passwd
/etc/procmailrc
/etc/profile
/etc/profile.d
/etc/profile.d/myBashConfig.sh
/etc/resolv.conf
/etc/samba/smb.conf
/etc/selinux/config
/etc/selinux/targeted/seusers
/etc/shadow
/etc/smrsh/procmail
/etc/ssh
/etc/ssl/certs/vsftpd.crt
/etc/ssl/private/vsftpd.key
/etc/sysconfig/
/etc/sysconfig/iptables
/etc/sysconfig/network-scripts
/etc/sysconfig/network-scripts/ifcfg-enp0s3
/etc/sysctl.d/
/etc/sysctl.d/98-network.conf
/etc/yum.repos.d
/var/named
/var/named/example.com.rev
/var/named/example.com.zone
Console
virtual
CPU
usage
cron
cron.d
Curiosity
D
Data
random
stream
Datagram
DBUS
D-bus
Desktop
KDE
LXDE
Xfce
Desktop Management Interface
dmidecode
Developer
Device
data flow
disk
file
creation
special rules
pts
DevOps
DHCP
client configuration
server configuration
Directory
date sequence
home
listing
sort
DNF
Domain
domain name
FQDN
Fully Qualified Domain Name
Domain Name Services (DNS)
Drive
hard
partitioning
USB
E
Edison, Thomas A.
Editor
Emacs
favorite
text
vi
Vim
vim
Elegant
Emacs
Email
client
mail
malix
Thunderbird
data flow
filtering
client side
server side
headers
message ID
MIME
MTA
Procmail
SendMail
server
spam
structure
Environment
example.com
F
Fail2Ban
Fedora
29
30
Release
File
everything is a file
format
ASCII text
binary
globbing
handle
multiple hard links
naming
ownership
permissions
sharing
Midnight Commander
Thunar
Filesystem
creating
directory structure
/(root)
/dev
/etc
/etc/cron.daily
/home
/mnt
/proc
/sys
/tmp
/usr/local/bin
/var
inode
journal
Linux
types
EXT4
NFS
Filter
Finding files
Firewall
firewalld
iptables
rules
adding
managing
tables
filter
mangle
nat
raw
security
FQDN
SeeFully qualified domain name (FQDN)
Free Open Source Software
FTP
active mode
anonymous
passive mode
Fully qualified domain name (FQDN)
G
Getty
GNU
General Public License
utilities
GUI
desktop
KDE
LXDE
H
Hard drive
crashes
Hardware
architecture
detection
dmidecode
Help
facility
option (-h)
Hierarchy
Linux Philosophy for SysAdmins
of needs
Host
naming
StudentVM1
StudentVM2
StudentVM3
HTML
HTTP
HTTPD
I
inode
Internet Assigned Numbers Authority
IANA
Interrupt
hardware
IPTables
ISO
Fedora Xfce
file
image
J
Journal
EXT4 filesystem
system
K
Kenlon, Seth
Kernel
compiling
kernel
tuning
L
Languages
compiled
scripting
Link
hard
multiple hard links
soft
symbolic
symlink
Linux
boot
command line
directory tree
distribution
CentOS
Fedora
Pop!_OS
Red Hat
RHEL
Ubuntu
kernel
startup
system
supercomputers
Listserv
Live image
Fedora
Log files
following
/var/log/maillog
/var/log/secure
Logical Volume Management
Logical Volume Management
volume
group
logical
Login
defaults
success
Logwatch
M
Mackerras, Paul
Mailing list
MailMan
create a mailing list
installation
integrating with Apache
list defaults
rejections
user interface
Mail Transfer Agent (MTA)
Man pages
MariaDB
Memory
CRT
RAM
Microsoft
Windows
Midnight Commander
MOTD
Motherboard
Mount point
MySQL
N
Name server
caching
name server
primary
root servers
top level
Name services
Berkeley Internet Name Domain
BIND
DNS
DNS database
forwarder
forward zone file
named
named-chroot
name search
name services
record types
resolver
reverse zone
root server
zone
zone file
Namespace
NAT
Network
Network
adapter
interface
interface card
interface configuration file
NAT
NAT network
network
NIC
port
startup
Network Address Translation
NetworkManager
Network Time Protocol
NFS
filesystem
mounting
NFS
server
NTP
Chrony
configuring
implementation choices
NTP
protocol
reference source
server
server hierarchy
sources
stratum
O
Octal
Open Source
Definition
license
project
software
Opensource.com
OpenSSL
Operating system
Definition
Distributions
CentOS
Fedora
RHEL
Ubuntu
P, Q
Packages
installing
removing
RPM
Partition
Size
Password
defaults
encryption
security
setting
Path
PCI
Perl
CGI scripts
Permissions
directory
file
group
user
PHB
PHB
Pointy Haired Boss
Philosophy
Linux
PHP
PID
Pipe
named
Plain text
Pointy Haired Boss
Portable
Postscript
Present working directory (PWD)
Privilege
Privilege escalation
Problem
determination
resolution
Procedure
Processes
ID
priority
Processor
proc filesystem
ip_forward
proc
procmail
Program
CLI
Protocols
CIFS
DHCP
DNS
FISH
FTP
FTPS
GOPHER
HTTP
IMAP
IMAPS
LDAP
LDAPS
NFS
NTP
POP
POP3
POP3S
SCP
SFTP
SMB
SMBS
SMTP
SSH
TCP
TCP/IP
Telnet
TFTP
VSFTP
Public/private Keypairs
id_rsa
id_rsa.pub
PPKP
private key
public key
PWD
SeePresent working directory (PWD)
Python
R
RAM
Random
Randomness
Reason
integrated
Reboot
Recovery
Red Hat Package Manager
DNF
RPM
YUM
Redirection
Regular expressions
definition
file globbing
glob
metacharacters
pattern
pattern matching
regular expressions
sets
wildcard
Remote desktop access
Repository
Fedora
Requirements
Return code
rkhunter
root
chkrootkit
rootkit
su-
working as
Route
default
gateway
router
routing table
Router
StudentVM2
virtual
RPM
building
groups
rebuilding the RPM database
rpm command
spec file
target architecture
utils-1.0.0-1.noarch.rpm
rsync
directory synchronization
options
--delete
--exclude
--link-dest
using for backups
S
SAMBA
client
file sharing
SAMBA
Satellite Server
Screen
Script
Security
anti-virus
backups
bind-chroot
chroot
Clam-AV
firewall
IPTables
network hardening
password
rkhunter
rootkit
security
SELinux
Tripwire
SELinux
SendMail
Server
Apache
BIND
DHCPD
email,
named
name services
Network Time Protocol (NTP)
SendMail
SSH
web
Sets
Settings manager
Shell
Bash
login
nologin
non-login
script
mymotd
rsbu
secure
shell
S.M.A.R.T
Snapshot
Socket
Software
open source
proprietary
vulnerabilities
Spam
combating
email
/etc/mail/mimedefang-filter
/etc/mail/spamassassin/local.cf
MIMEDefang
Procmail
spam
SpamAssassin
configuration
rules
SSH
connection
known_hosts
restrict root login
secure shell
SSH
X-forwarding
Standard Input/Output
STARTTLS
State of North Carolina
STDIO
STDIN
STDIO
STDOUT
Storage media
disk drive
hard drive
RAM
Stream
data
standard
text
StudentNetwork
Supercomputers
Swap
file
partition
space
Switch user
SysAdmin
lazy
SysAdmin
system
mounts
services
systemd
targets
timers
System Administrator
systemctl
T
Tab completion
tar
tarball
TCP
TCP/IP
network model
TCP/IP
Teletype
teletype
TTY
Template
documentation
Tenets
Use the Linux FHS
Terminal
emulator
session
Teletype
TTY
Test
sample
Thinking
critical
Thunar
Thunderbird
TigerVNC
blank view screen
configuration
connection
TigerVNC
window size
Time
at
Chrony
chronyc
chronyd
cron
date
hardware
NTP
servers
public
system
time
zones
Tridgell, Andrew
Tripwire
U
udev
rule
udev
UDP
Unix
Updates
installing
Updates
Upgrade
URL
USB
external backup drive
Live
USB
User
account
delete
home directory
ID
locking
login
nologin
non-root
password
privileged
root
student
unprivileged
user
Utilities
GNU
UW IMAP
V
Variables
content
naming
$PATH
$PWD
set
Vim
Virtual
disk
drive
machine
network
VNC
VirtualBox
host-only adapter
Manager
Network Manager
VirtualBox
Virtual private network (VPN)
VM
VNC
Volume
logical
volume
volume group
W
Windows
closed
WordPress
administering
configuration
database
WordPress
X
Xfce
desktop
X-forwarding
xinetd
X Window System
Y, Z
YUM
Command list
alias
arp
awk
bash
cat
cd
chkconfig
chkrootkit
chmod
chown
chronyc
chronyd
chroot
clamav
clamav-update
column
cp
cron
crontab
curl
date
dig
dmesg
dmidecode
dnf
du
e2label
echo
egrep
emacs
exit
fail2ban
false
file
find
firewall-cmd
free
grep
head
history
hostname
hostnamectl
hwclock
id
ifconfig
ifdown
info
ip
iptables
iptables-restore
iptables-save
journalctl
ll
ln
logwatch
ls
lvcreate
mail
mailx
make
man
mandb
mkdir
mkfs
mount
mtr
named
netstat
NetworkManager
nmap
nmcli
nslookup
openssl
passwd
pdbedit
ping
procmail
ps
pwd
reboot
rkhunter
route
rpcinfo
rpm
rpmbuild
rpmdev-setuptree
rsync
scp
screen
script
sed
sestatus
smbclient
sort
ss
ssh
ssh-keygen
stat
strings
su
systemctl
tail
tar
tcpdump
tee
telnet
testparm
time
timedatectl
traceroute
tripwire
umask
umount
uniq
unset
useradd
vgs
vi
vim
vncpasswd
vncserver
vncviewer
w
watch
wget
yes
yum
List of operators
&
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