Linux Services

mexicanmorningData Management

Dec 16, 2012 (4 years and 8 months ago)

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Table A


Alphabetical Listing of Services

Service Name

Required [Yes/No]

Description

Comments

acon

No

Language support

Specifically for the right
to left written languages:
Arabic, Farsi and
Hebrew

acpi

No

Power Management

laptop battery fan
monitor

ac
pid

No

Listening daemon

This listens for and
dispatches acpi events
from the kernel

adsl

No

Internal ADSL switch
control

Use this only if you have
an internal adsl switch
for your internet
connection.

alsa

No

Advanced Linux Sound
Architecture

The only s
ound system
actually included in the
kernel

anacron

No

Periodic Command
Scheduler

a task scheduling tool

apmd

No

Power Management

Laptop power
management

apmiser

No

Power Management

Yet another laptop
battery extender

arpwatch

No

Ethernet ip address
pa
iring monitor

monitors and logs
remote ip addresses with
hostnames.

atd

No

Periodic Command
Scheduler

a task scheduling tool

autofs

No

Automount services

one of the several
automounting of file
systems on demand
services. Some of which
are distro specifi
c, if the
distro you are using has
its own automount
system, do not use this
one.

bluetooth

No

The core of Bluetooth

For all Bluetooth
services.

bootparamd

No

boot server

old means for booting
diskless clients / thin
clients, the newer
method is the zero
conf
system.

canna

No

Japanese conversion
engine


capi4linux

No

Basic CAPI subsystem


cpqarrayd

No

Hardware Service

Compaq Raid Array
Monitor

cpufreq

No

Hardware Service

Probes and configured
CPU frequency daemon
modules

cpufreqd

No

Hardware Service

T
his one will
automatically scale cpu
frequency to reduce
overheating. Should be
useful for over
-
clocking.

crond

Yes

Periodic Command
Scheduler

THE task scheduling
tool.

cups
-
lpd

No

Enables older Linux and
commercial Unix
systems to connect to
cups server

Useful only if you have to
allow older systems
access to the printers

cups

Yes

Common Unix Printing
System

A must have to enable
printing

cvs

No

Concurrent Versioning
system

For managing multi user
documents.

devfsd

No

System Maintenance

This service o
nly cleans
up dynamic desktop
directories; it is not
needed unless your
system crashes often.

dhcpd

No

The DHCP server

Is your network large
enough that static IPs
are a pain, then this will
make it easier, giving
you DHCP IP
configuration for your
networ
k.

diald

No

Smart auto dialer for
dialup networking

This service will connect
to the network on
demand, as in you type
an email and hit send, it
will connect you, send
the email and disconnect
you.

dkms

No

Autoinstall Boot for
DKMS

Distro specific tool
,
for
OEM style installations.
This allows for a first
boot setting of root
password and user
name password for
regular use. the final
configuration of the
system.

dm

Yes

Display Manager

The core of the x
-
server,
required for using any
GUI.

dnbc

No

Digital

Network Bind
Chrooter

This is a simple bash
script that puts a BIND
server in a chroot jail.
Install BIND, launch the
script, and restart named

drakxtools_http

No

Miniserve administration
server

Distro specific tool

for
remote system
administration

dund

No

Bluetooth Dialup
networking


fam

No

File system Alteration
Logger for all changes to
Monitor

a file system.

finger

No

Remote access of data.

This server will allow
remote access of user
login data, last login date
and time. useful for
monitoring empl
oyee
work habits when you
are not in the office,
major breach of security,
in that you are effectively
publishing confidential
company data online

freshclam

Yes

ClamAV updater

Automatic updates for
ClamAV

gpm

Yes

Mouse

Console mode mouse
driver

haldaemo
n

No

Hardware Monitoring
System

This monitors for
hardware changes, will
alter you to new or
altered hardware.

harddrake

No

Hardware Service

Distro specific hardware
detection and
configuration

heartbeat

No

High Availability services

This is intended to
increase the priority of
critical servers and
services

hidd

No

Bluetooth H.I.D. Server


hplip

No

HP Linux Printing and
Imaging

Older version of HP
supplied drivers for their
all in one products

hpoj

No

Pital?init, HP office jet
printer drivers

Older dri
vers for HP
office jet, newer drivers
are included with cups
drivers for the printers

httpd

No

Apache Web server

There are two reasons
for this to be on a
system, one is it is to be
used as a Web server,
the other it will be a Web
site development
machine
. If neither is
true, do not install
Apache and this won't be
here.

hylafax?server

No

Enterprise Fax?modem
service

This works for class 1
and class 2 fax modems
only. This must be
running if you intend to
use hylafax to send a fax
through the modem. This
is not the only fax tool
available.

ibod

No

ISDN MPPP bandwidth
on demand

Useful with dialup
networking, this will
connect as needed to
the network.

identd

No

Identification through
TCP connection


imaps

No

secure IMAP server


imaps

No

IMAP server


ip
log

No

Logs TCP, UDP, ICMP
connections with
hostname of remote host

Useful network
monitoring tool.

ipop2

No

POP2 mail server


ipop3

No

POP3 mail server


ipsec

No

Encrypted and
Authenticated
communications

KLIPS is the kernel half,
PLUTO is the user spa
ce
half. very useful for
remote access situations

iptables

Yes

kernel based Packet
Filtering firewall

All good Linux firewalls
are based on this
service.

ipvsadmin

No

Linux Kernel IP virtual
server

This is one of the oldest
networking systems in
Linux, n
ot used very
much any more.

irda

No

Infra Red Device
Interface

Older wireless device
support

keytable

Yes

keyboard map

This tells the system
exactly which keyboard
you are using.

kheader

No

Boot Services

This automatically
regenerates the kernel
header
in /boot

lads

No

Login Anomaly Detection
System

A tool to track login
attempts and warn of
attempted intrusion.

laptop?mode

No

Power Management

A tool to reduce power
consumption, extending
the life of the laptop
battery

leafnode

No

NNTP service for
X?I
NETD


lisa

No

LAN information server


lmsensors

No

Hardware health monitor

This requires that the
mainboard of the system
supports and has
monitoring systems in
place, such as the CPU
temperature and voltage
monitors.

mailman

No

GNU Mailing List
Manager

A commonly used
mailing list tool, with a
Web interface for
administration, written in
Python. It allows list
members to
communicate by sending
an email to one address,
and replying to the same
address. Can also be
used to send out
newsletters / product
u
pdates to those that
requested such

mandi

No

Interactive Firewall

Special service to allow
for temporary wireless
access to the system,
will open the iptables
firewall for current
session only access for
wireless devices, on user
approval only, not
automa
tically.

mdadm

No

Monitoring Service for
software raid

This also is a
management tools for
said software raid
volumes.

mdnsresponder

No

Zeroconf DNS
configuration tool


messagebus

Yes

Event monitoring service

This one sends
broadcast messages to
all use
rs when needed,
like the server is going
down for reboot.

mon

Yes

System Monitoring
daemon

A lot of system services
require this in order to
function

mysqld

No

MySQL server

If you don't need this
database, why turn it on?

named

No

BIND server

yes, the i
nfamous name
server.

netplugd

No

Network Card daemon

This service monitors the
network interface,
turning it off or on
depending on signal,
used mainly for laptops
that may not always be
connected.

network

Yes

Networking

This turns the network
card on, o
r powers the
modem.

nfs

No

Network File Share

This enables the clients
to access NFS shares, it
is required for the client
machines in an NFS
system.

nfsfs

No

The Network File Share
Server

This should only be
active on the network
server

nfslock

No

NFS
file locking

This should only be
active if you are using
NFS networking / file
share functionality.

nifd

No

Howl Client

This provides ipv4
link?local services for
zeroconf networks /
systems

nscd

No

Password and group
lookup service

This works for slow
p
rotocols like N.I.S/Y.P.
nist, ldap and hesiod. It
is designed to have a
longer timeout
specifically for these
protocols

ntpd

No

Version 4 of the NTP
server


numlock

No

number lock light control

This will keep the
Numlock activated,
turning the keyboard
number pad on.

oki4daemon

No

compatibility daemon for
OKI4 and compatible
winprinters

only useful if you have
one of these printers

pand

No

Bluetooth Personal Area
Networking

For home area Bluetooth
based networking.

partmon

Yes

Partition Monitoring

Thi
s service keeps track
on free space on
mounted partitions. used
by most file system
browsers for calculating
free space on a given
partition.

pcmcia

No

Personal Computer
Memory Card
International Association


pg_autovacum

No

PostgreSQL
maintenance

This w
ill automatically
run the vacuum needed
by PostgreSQL to
reduce disk space,
pulling temp tables from
the db as well as
deleting temp files
created by PostgreSQL.

pop3s

No

Secure POP3 server

SSL enabled POP3
server

portmap

No

RPC support

Support for those

rare
apps that use rpc.

Postgresql

No

The Postgresql
Database Engine

You only need this if you
are either running a
postgresql db drives
application or are
developing one.

postfix

No

email server

asendmail compatible
email server, newer than
sendmail it
self,
becoming more
commonly used than
sendmail.

pptp

No

Shutdown service for
ppp

A clean shutdown
service for PPP tunnels,
used when on ups to
avoid lock file problems
when power returns to
the system.

prelude

No

IDS

Intrusion Detection
system

psacct

N
o

Process Accounting

A Tracker of active
processes, a waste of
resources really

rawdevices

Yes

Assigns rawdevices to
blocks for use

This is needed for
DVDS, and oracle DBMS
among other things

rsync

No

Remote Synchronization

A server to enable
remote sync
hronization
of files in a specified
directory tree. Commonly
used for maintaining
mirror sites, can also be
used to keep company
files current for backup
purposes.

saned

No

Network Scanner
Service

To provide access to
your scanner from any
workstation in
the
network.

shorwall

Yes

Firewall

A very good IPTables
based firewall.

smartd

No

Self Monitor Service

For OS access to smart
enabled devices, this will
allow Linux to tell you if
the device is starting to
go bad, but relies on the
device smart feature f
or
accuracy.

smb

No

Samba Network
Services

This provides the samba
services to enable
Windows network
compatibility.

snmpd

No

Simple Network
management Protocol

For use in a small [
home office ] network

sound

No

Sound System

This is the core of the
Lin
ux sound system,
nice for desktops, a
waste of resources on a
server

squid

No

Caching Tool

Used to cache Web
pages and DNS entries

ssh?xinetd

No

OpenSSH server for
x?inetd

a run on demand version
of OpenSSH

sshd

No

OpenSSH server

Only turn this on if yo
u
require SSH access to
your system, and are not
going to use the x?inetd
version.

subversion

No

Concurrent Versioning
New alternative to CVS

system

swat

No

Samba Web
Administration Tool

Web based Samba
administration

syslog

Yes

System Logging

A Require
d service, it
controls all logging on
the entire system.

tmdns

No

Multicast dns responder

For use in zeroconf
environments

ultrabayed

No

ThinkPad tool

This detects the
presence of the ultrabay
for your IBM ThinkPad
and starts / stops the
IDE interface as

appropriate.

upsd

No

NUT daemon and drivers

An uninterrupted power
supply monitoring and
reporting tool. This tool
reports to a central site
to generate a database
on ups statistics.

upsmon

No

Monitoring tool for UPS

This will monitor the
status of the
ups, and
shut the system down
when it's running low.

vncserver

No

Server for Virtual
network computing

Very useful for using
VNC in projects.

Webmin

No

Remote Administration
tool

Distro Agnostic Remote
administration tool.
Useful for when the
machine wil
l not be
physically accessible at
all times; such as Web
server farm.

winbind

No

Samba Name Server

Required for samba
networking to function.
This maps user and
group data from the
windows network to the
Linux workstation

wine

No

Wine Is Not an Emulator

This enables running MS
Windows executables in
Linux. WINE is a limited
version of the
commercial product
Crossover Office.

wlan

No

Control Daemon

This Controls services, it
is not commonly used as
the services are
generally controlled
through the init pr
ocess.

x?inetd

Yes

Server for monitoring
and controlling other
servers

This is required service,
and it actually reduces
CPU load on a server. if
you need SSH, ftp, etc
but not all the time, the
x?inetd version will start
them on request, even
remote requ
est. This
allows for them to be
available, but frees the
clock?cycles if they are
only being used a few
times a day / week.

xfs

Yes

X Font Server

If you are going to be
running a GUI at any
point in time, this will be
required.

ypbind

No

Name Server for
Sun's
YP server

This is for GLIBC based
NIS / YP networked
systems.