Servers vs Desktops Flashcards
Two primary ways that servers run service programs
using a specialized Butler application
as a background process, always running, listening for requests
servers do not run service programs
as a process, spawned by a parent program that listens for requests
as a background process, always running, listening for requests
as a process, spawned by a parent program that listens for requests
What is a deamon?
the evil person that invented Linux
affectionate name in the Linux community for Bill Gates
a Linux service that runs sporadically as a background process
a Linux service that runs continuously as a background process
a Linux service that runs continuously as a background process
Linux daemons often end with
a splish and a splash
“.daemon”
the letter d (ie mysqld)
nothing special
the letter “d” (ie mysqld)
Six major service types of servers
Compute servers
File servers
Memory servers
Database servers
Mail servers
Network resource servers
Bus servers
Web servers
Print servers
File servers
Database servers
Network resource servers
Mail servers
Web servers
Print servers
The most two common ports for web servers to listen on:
Port Fort Knox
Port 200
Port 80
Port 443
Port 80
Port 443
Three major web servers available on Linux
WebServer
Apache
Triton
Lighttpd
nginX
Apache
Lightpd
nginX
what type of files are used by Apache web server for it’s configuration
.apache
.server.
.htaccess
.linuxapache
.htaccess
Apache Initial Release date
2000
1995
1990
1985
1995
First web server to serve more than 100 million websites - 2009
IIS
nginX
LIghttpd
Apache
Apache
as of 2021, about how many web servers running Apache
313 million
131 million
2
1 billion
313 million
tow linux web servers released under the terms of the FreeBSD license
Apache
IIS
NginX
Lighttpd
NginX and lighttpd
NginX web server is owned by who:
Fedora
IBM
F5
Microsoft
F5
F5 owns which linux web server
apache
nginx
lighttpd
iis
nginx
The initial release of nginx was in what year
1995
1971
2000
2004
2004
which linux web server’s modular event-driver architecture can provide predicatable performance under high loads (build time)
IIS
apache
Nginx
lighttpd
nginx
initial release for lighttpd
1995
2004
2015
1980
2015
list the linux web servers in order of their release date (from earlier to most recent)
nginx
lighttpd
apache
apache
nginx
lightpd
match the linux web server with the year of it’s release date
A - Apache
B - NginX
C - LIghttpd
1 - 2004
2 - 2015
3 - 1995
Apache - 1995
Nginx - 2004
Lighttpd - 2015
Two major categories of relational databases
RDS
PostgreSQL
Aurora
MySQL
PostgreSQL
MySQL
Most popular NoSQL database
DynamoDB
Neptune
MongoDB
Mementon
MongoDB
What is a tuple?
A web server configuration file
A component of the muple dataset
a row of a relational table
a column of a relational table
a row of a relational table
what is an “attribute” in a relational database
a row - that equates with a record
the type of field, “date”, “currency”, “text”
the column - that equates with a category
someone who pledges themselves to the database
the column - that equates with a category
hat is an “primary key”” in a relational database
attribute(s) that uniquely identify a tuple
the type of field, “date”, “currency”, “text”
the column - that equates with a category
someone who pledges themselves to the database
attribute(s) that uniquely identify a tuple
What does SQL stand for
Liberalism, because conservative politics are evil
Super Quick Languange
Standard Query Language
Simple Query Listing
Standard query language
Which of these is considered document oriented?
SQL Database
NoSQL Database
Relational Database
Parsing Database
NoSQL Database
CAP Theorem of the NoSQL DB model, says you can only have two of the following three (choose three)
Availability
Security
Consistency
Partition Tolerance
Redundancy
Storage
Availability
Consistency
Partition Tolerance
What does the CRUD acronym mean?
Create / Read / Update / Delete
Comb / Relinquish / Usurp / Dominate
Correlate / Read / Under / Drone
Create / Redo / Update / Delete
Create / Read / Update / Delete
the ____ process or ____ program or ____ is the parent process for every process
init / init / systemD
innate / innate / systemD
systemD / systemD / init
systemD / systemD / innate
init / init / systemD
will show you the location of the init process
which systemD
init which
which init
systemD init
which init
a software suite that provides an array of system components for Linux operation systems
init
array
range
systemD
systemD
the main aim of SystemD is to
measure the cpu utilization
invoke quality intake
unify service configuration and behavior across Linux distributions
store variables
unify service configuration and behavior across Linux distributions
will show which program a process links to
readlink
readbrow
linkread
dafuck
readlink
the following command will start a service on any Linux distro
sudo systemctl start [application.server]
sudo servicestart [application.server]
sudo service start [applicaton.server]
sudo start service [applicaton.server]
sudo systemctl start [application.server]
the command systemctl stop [applicaton.server] will do what?
stop, in the name of love
stop the linux terminal
stop the service identified by “application.server”
stop the madness
stop the service identified by “application.server”
the following command will enable a service so that it will start on reboot
sudo systemctl enable [application.server]
sudo systemctl start [application.server]
sudo service start [applicaton.server]
sudo start service [applicaton.server]
sudo systemctl enable [application.server]
the following command will disable a service so that it will not start on reboot
sudo systemctl stop [application.server]
sudo systemctl stoponreboot [application.server]
sudo systemctl disable [applicaton.server]
sudo start service [applicaton.server]
sudo systemctl disable [application.server]
the following command will reload a service
sudo systemctl enable [application.server]
sudo systemctl start [application.server]
sudo systemctl reload [applicaton.server]
sudo start service [applicaton.server]
sudo systemctl reload [application.server]
the following command will provide the status of a service
sudo systemctl tellme [application.server]
sudo systemctl info [application.server]
sudo service start [applicaton.server]
sudo systemctl status [applicaton.server]
sudo systemctl status [application.server]
What is PID 1
Process ID 1 is usually the init process primarily responsible for starting and shutting down the system.
Process ID1 is usually the amount process
Process ID1 is usually the init process primarily responsible for baking a cake
Process ID 1 is usually the init process primarily responsible for starting and shutting down the system
