Symbols
.bashrc file 83
/etc/exports file 190
/etc/fstab file 283
/home directory 85
/proc/swaps file 294
.requires folder 96
.ssh 160
.vnc directory 180
.wants folder 95
A
Advanced Package Tool 99
AIX 7
AMD-V 208
checking availability 211
Andrew S. Tanenbaum 7
Apache web server 261
configure firewall 262
domain configuration 263
installation 261
Secure web site 265
SSL certificate 266
starting 262
testing 263
apt 99
edit-sources 100
install 102
package management 102
purge 102
remove 102
search 102
show 103
sources list 100
update 102
upgrade 104
apt-file 103
apt list 102
B
Bash shell 77
Aliases 81
.bashrc file 83
command-line editing 78
Environment Variables 82
filename shorthand 80
history 79
I/O redirection 80
path completion 80
pattern matching 80
pipes 81
shell scripts 83
basic.target 92
Boot Menu
editing 49
Bourne shell 77
buildah 253
C
CA 266
canonical-livepatch 106
cat 80
Certificate Authority (CA) 266
change root 251
chmod 84
chroot 251
CNI 254
Cockpit
accessing 68
account management 71
add disk 283
applications 72
create VM 215
dashboard 74
enabling 68
installing 68
logs 70
Multiple Servers 74
networking 71
NFS management 192
overview 67
port 68
services 71
storage 70
system 69
systemd units 96
terminal access 73
user management 87
virtual machines 72
virtual machines module 215
Connection profiles 122
containerd 251
Container Networking Interface 254
container runtime 251
Containers 251
buildah 253
change root 251
chroot 251
CNI 254
cni0 254
containerd 251
container runtime 251
CRI-O 251
Docker 251
kernel sharing 251
lxd 251
networking 254
overview 251
podman 253
pull image 255
runc 253
running image 257
save to image 259
skopeo 253
CRI-O 251
C shell 77
D
daemon 91
Dark Mode 62
Debian 8
default.target file 94
df command 304
disk drive
adding 279
detecting 279
disk I/O
monitoring 305
Disk partition
formatting 48
disk usage
df command 304
diskutil 12
dmesg 11
DNS MX Records 276
Docker 251
dual boot 45
E
Email server 271
configuration 272
MX Records 276
Email system
overview 271
env 82
Environment variables 82
Errata 5
export 82
F
Fedora Media Writer 13
file system
create 281
mounting 282
findmnt 12
firewall
gufw 137
ufw 137
Firewall
email settings 273
overview 147
web server settings 262
firewall-cmd 150
NFS settings 190
Samba settings 196
firewall-config 154
firewalld
default zone 150
display zone information 150
firewall-cmd 150
firewall-config 154
ICMP rules 153
list services 151
overview 147
permanent settings 150
port forwarding 153
reload 150
runtime settings 150
services 147
status 149
zone creation 152
zone/interface assignments 152
zones 147
zone services 151
free 294
free command 304
Free Software Foundation 8
fsck 282
Full Virtualization 208
G
GDM 20
GNOME
Dark Mode 62
GNOME 3 55
GNOME desktop
installing 55
GNOME Desktop 55
installation 55
installing the 179
starting 55
GNOME Display Manager 20
gnome-system-monitor 301
GNU/Linux 8
GNU project 8
Google Cloud 165
graphical.target 92
groupdel 86
groups 86
listing members 86
removing 86
Guest OS virtualization 205
gufw 137
adding simple rules 141
advanced rules 142
allow 140
deny 140
enabling 137
installing 137
limit 141
preconfigured rules 140
profiles 138
reject 140
running 137
H
Hardware Virtualization 208
Hewlett-Packard 7
hibernation 294
HOME 82
hosted hypervisors 206
HP-UX 7
htop 303
installing 303
user processes 304
httpd-le-ssl.conf file 267
httpd.service 95
HTTPS 265
hypercalls 207
Hypervisor Virtualization 206
Type-1 206
Type-2 206
I
Ian Murdoch 8
IBM 7
id_rsa.pub 162
Installation
Intel VT 208
checking availability 211
iotop command 305
installing 305
iptables 147
ISO image
write to USB drive 11
J
journaled file system 281
K
kernel 7
kernel sharing 251
kill command 300
KILL signal 300
kvm
session guests 216
system guests 216
KVM 211
create VM in Cockpit 215
hardware requirements 211
installing 212
kvm_amd 213
kvm_intel 213
libvirtd 213
network bridge interface 233
overview 211
verification 212
virsh 247
virt-viewer 218
kvm_amd 213
kvm_intel 213
L
Landscape 30
libvirtd 213
Linus Torvalds 7
Linux Containers. See Containers
Livepatch 105
enabling 105
obtain token 106
status 106
Logical Extents 288
extending 292
getting information 288
management 287
ls 78
lvextend 292
LVM 287
lxd 251
M
macOS
writing ISO to USB drive 12
Mail Delivery Agent 272
Mail Transfer Agent 271
Mail User Agent 271
main.cf file 274
man 78
Martin Hellman 157
MDA 272
memory
free 304
metal hypervisors 207
MINIX 7
mkfs.xfs 48
mount 288
MTA 271
MUA 271
multi-user.target 92
MX Records 276
N
NAT 209
native hypervisors 207
NetBIOS Name Services 200
Network Address Translation 209
network bridge interface 233
Network File System 189
Network Installer 25
download image 25
perform installation 26
software collection 30
NetworkManager 117
check status 118
Connection profiles 122
connections 119
devices 119
device status 118
enabling 118
installing 118
manage connections 121
modify connections 121
nmcli 117
nm-connection-editor 117
nmtui 117
permissions 126
NFS 189
Cockpit management 192
exporting filesystems 190
firewall settings 189
mounting filesystems 191
starting services 189
unmounting filesystems 191
NMB 200
basic commands 118
connection permissions 126
Connection profiles 122
interactive editing 125
manage connections 121
network bridge creation 239
permissions 126
show connections 121
Wi-Fi scan 121
networked bridge interface 242
nmtui 117
NTFS 46
P
Paravirtualization 207
Partition
mounting 48
partners repository 100
PATH 82
Physical Extents 288
Physical Volumes 287
creating 291
podman 253
attach 258
exec 258
list images 256
pause 259
ps -a 258
rm 259
start 259
unpause 259
Port Forwarding 153
postfix
installation 273
log file 276
main.cf file 274
SMTP Relay Server 277
staring 276
testing 277
Postfix 271
poweroff.target 91
Preboot Execution Environment 10
processes
in system monitor 301
list all 300
listing active 299
spawning 301
system 299
user 299
ps 81
ps command 299
public key encryption 157
PuTTY 163
secure tunnel 176
pvcreate 291
pvdisplay 290
pwd 78
PXE 10
Q
QEMU/KVM 213
R
reboot.target 92
Red Hat, Inc. 7
Remmina Desktop Client 171
Remote Desktop Access 169, 170, 179
enabling 170
secure vs. insecure 169
Repositories 99
disabling 100
main 99
managing 100
multiverse 100
restricted 99
sources list 100
universe 99
rescue.target 91
resize2fs 292
RFC 3339 114
Richard Stallman 8
root user 1
runc 253
runlevel 91
S
safe graphics 15
Samba 195
client 196
configure shared resource 198
create user 198
firewall settings 196
installing 196
NetBIOS Name Services 200
NMB 200
samba-client 202
smb:// 203
smbclient 200
smb.conf file 197
testing smb.conf file 199
workgroup 197
samba-client 202
Samba Client 196
SATA controller 279
Secure Socket Layer (SSL) 265
Secure web site
configuring 265
SELinux
smbpasswd 198
Server Message Block 195
services 91
disable 96
enable 95
mask 96
start 95
stop 95
sh 84
Shell
history 79
overview 77
shell scripts 83
get image info 255
smb:// 203
SMB 195
smbclient 200
smb.conf 199
smb.conf file 197
[global] section 197
testing 199
smbpasswd 198
SMTP 272
SMTP Relay 272
SMTP Relay Server 277
configuration 277
snap
channels 112
commands 110
disable 115
enable 115
find 110
install 111
list 111
logs 115
overview 109
packages 109
refresh 113
refresh.hold 113
refresh.metered 113
refresh.retain 113
refresh.timer 113
remove 111
services 115
set system 113
start 115
stop 115
switch 112
sockets.target 92
Software Collections
installing 31
Solaris 7
sources.list file 100
spawning 301
SSH 157
SSH authentication 158
from Linux 158
from macOS 158
from Windows 161
Google Cloud 165
multiple keys 160
PuTTY 163
ssh_config file 160
ssh-copy-id 159
ssh-keygen 158
ssh_config file 160
ssh-copy-id 159
sshd.service 160
ssh-keygen 158
SSL 265
SSL Certificate 266
stderr 81
stdin 80
stdout 80
storage devices
identify 11
su - command 1
sudo 2
SunOS 7
Superuser 1
swap space
add partition 295
add swap file 294
add to volume group 297
current usage 294
extend logical swap volume 295
free 304
recommended 293
systemd
default target 91
targets 91
units 91
systemd targets
basic.target 92
changing dynamically 94
get default 93
graphical.target 92
list dependencies 92
multi-user.target 92
poweroff.target 91
reboot.target 92
rescue.target 91
set default 93
sockets.target 92
systemd unit
configuration files 94
disable 95
enable 95
mask 95
status 93
types 94
systemd units 91
System Monitor 301
system monitoring 299
disk I/O 305
free memory 304
free swap space 304
gnome-system-monitor 301
htop 303
iotop 305
system processes 299
T
targets 91
tasksel , 31
TERM signal 300
TigerVNC 179
TLS 266
Transport Layer Security (TLS) 266
Type-1 virtualization 206
Type-2 virtualization 206
U
Ubuntu
history of 8
meaning 8
command-line options 143
disabling 143
enabling 143
logging 145
reload 145
resetting 145
status 143
umount 12
Uncomplicated Firewall 137
UNIX 7
origins of 7
update-manager 100
Updates 103
automatic 104
USB drive
device name 11
useradd 85
userdel 86
user processes 299
users
adding and deleting 86
Users and Groups 85
V
VcXsrv 185
vgdisplay 288
vgextend 291
Vino 170
disabling encryption 174
installing 170
virsh
interactive mode 247
reboot guest 250
restore guest 249
resume guest 249
save guest 249
setmem 250
shell 247
suspend guest 249
virt-install 215
create VM 222
session connection 222
start VM 226
Virtualization 205
AMD-V 208
Full Virtualization 208
Guest OS virtualization 205
Hardware Virtualization 208
hosted hypervisors 206
hypercalls 207
Hypervisor Virtualization 206
Intel VT 208
KVM 211
metal hypervisors 207
native hypervisors 207
Paravirtualization 207
virt-viewer 218
installing 218
remote SSH connection 219
session guests 219
VNC
connecting to server 181
ports 180
secure access 175
server installation 179
vncpasswd 180
vncserver 180
kill session 181
list sessions 180
Volume Groups 287
W
wc 81
web server 261
which 78
Whitfield Diffie 157
Windows
writing ISO to USB drive 13
Windows partition
filesystem access 40
reclaiming 45
unmounting 45
Windows PowerShell 161
Windows SMB 189
Windows system partition 46
wipefs 291
X
X11 Forwarding 183
compressed 184
trusted 184
XFS file system 281
xfs_growfs 292
Z
ZFS filesystem 18