Section 8: Administration and Privileged Commands

1 A B C D E F G H I J K L M N O P Q R S T U V W X Z
Section index

1

\$1(8)
Creates the default floppy device nodes.
1 select-default-ispell(8)
select default ispell dictionary
1 select-default-wordlist(8)
select default wordlist

A

a2dismod(8)
disables an apache2 module
a2enmod(8)
enable or disable an apache2 module
ab(8)
Apache HTTP server benchmarking tool
accessdb(8)
dumps the content of a man-db database in a human readable format.
activate(8)
read/write flags marking active boot partition
add-shell(8)
add shells to the list of valid login shells
addgroup(8)
add a user or group to the system
adduser(8)
add a user or group to the system
adduser.conf(5)
configuration file for adduser(8) and addgroup(8) .
apache(8)
Apache hypertext transfer protocol server
apache-modconf(8)
reconfigure the Apache webserver modules list
apache-ssl(8)
Apache hypertext transfer protocol server
apache-sslconfig(8)
reconfigure the Apache webserver
apache-sslctl(8)
Apache HTTP server control interface
apache2(8)
Apache hypertext transfer protocol server
apache2ctl(8)
Apache HTTP Server Control Interface
apacheconfig(8)
reconfigure the Apache webserver
apachectl(8)
Apache HTTP server control interface
apcupsd(8)
daemon for most APC's UPS for Linux
apt(8)
Advanced Package Tool
apt-cache(8)
APT package handling utility - - cache manipulator
apt-cdrom(8)
APT CDROM management utility
apt-config(8)
APT Configuration Query program
apt-get(8)
APT package handling utility - - command-line interface
apt-key(8)
APT key management utility
apt-secure(8)
Archive authentication support for APT
aptitude(8)
high-level interface to the package manager
arbitron(8)
arbitron mailboxes
arp(8)
manipulate the system ARP cache
aspell-autobuildhash(8)
Autobuilding aspell hash files for some dicts
avahi-daemon(8)
The Avahi mDNS/DNS-SD daemon

B

.B rmail(8)
handle remote mail received via uucp
badblocks(8)
search a device for bad blocks
blkid(8)
command-line utility to locate/print block device attributes
blockdev(8)
call block device ioctls from the command line
bootlogd(8)
record boot messages
bounce(8postfix)
Postfix message bounce or defer daemon

C

catman(8)
create or update the pre-formatted manual pages
cfdisk(8)
Curses based disk partition table manipulator for Linux
check_forensic(8)
tool to extract mod_log_forensic output from apache log files
checkgid(8)
checks the gid
chgpasswd(8)
update group passwords in batch mode
chpasswd(8)
update passwords in batch mode
chroot(8)
run command or interactive shell with special root directory
cleanup(8postfix)
canonicalize and enqueue Postfix message
cleanup-info(8)
clean up the mess that bogus install-info may have done
clock(8)
query and set the hardware clock (RTC)
consolechars(8)
load EGA/VGA console screen font, screen-font map, and/or application-charset map.
cpgr(8)
copy with locking the given file to the password or group file
cppw(8)
copy with locking the given file to the password or group file
cron(8)
daemon to execute scheduled commands (Vixie Cron)
cvs(8)
The GNU Concurrent Versions System
cvs-pserver(8)
The GNU Concurrent Versions System
cvsbug(8)
send problem report (PR) about CVS to a central support site
cvsconfig(8)
The GNU Concurrent Versions System
cyrdeliver(8)
deliver mail to an IMAP mailbox
cyrquota(8)
report and optionally fix quota usage
cytune(8)
Tune Cyclades driver parameters

D

ddclient(8)
program to update IP address at DynDNS.org
debugfs(8)
ext2/ext3 file system debugger
defer(8postfix)
Postfix message bounce or defer daemon
defoma-reconfigure(8)
Reconfigure all from zero.
delgroup(8)
remove a user or group from the system
deluser(8)
remove a user or group from the system
deluser.conf(5)
configuration file for deluser(8) and delgroup(8) .
depmod(8)
handle dependency descriptions for loadable kernel modules
dhclient(8)
Dynamic Host Configuration Protocol Client
dhclient-script(8)
DHCP client network configuration script
dhcpd(8)
Dynamic Host Configuration Protocol Server
dmesg(8)
print or control the kernel ring buffer
dpkg-divert(8)
override a package's version of a file
dpkg-preconfigure(8)
let packages ask questions prior to their installation
dpkg-reconfigure(8)
reconfigure an already installed package
dpkg-statoverride(8)
override ownership and mode of files
dselect(8)
Debian package management frontend
dump_deliverdb(8)
dump the deliver DB for debugging purposes
dumpe2fs(8)
dump ext2/ext3 filesystem information

E

e2fsck(8)
check a Linux ext2/ext3 file system
e2image(8)
Save critical ext2/ext3 filesystem metadata to a file
e2label(8)
Change the label on an ext2/ext3 filesystem
elvtune(8)
I/O elevator tuner
error(8postfix)
Postfix error mail delivery agent
/etc/adduser.conf(5)
configuration file for adduser(8) and addgroup(8) .
/etc/deluser.conf(5)
configuration file for deluser(8) and delgroup(8) .
exportfs(8)
maintain list of NFS exported file systems

F

faillog(8)
display faillog records or set login failure limits
famd(8)
The File Alteration Monitor (FAM) daemon
fancontrol(8)
automated software based fan speed regulation
fdformat(8)
Low-level formats a floppy disk
fdisk(8)
Partition table manipulator for Linux
fdutilsconfig(8)
configure the suid bit of fdmount
filefrag(8)
report on file fragmentation
findfs(8)
Find a filesystem by label or UUID
flush(8postfix)
Postfix fast flush server
fping(8)
send ICMP ECHO_REQUEST packets to network hosts
fping6(8)
send ICMP ECHO_REQUEST packets to network hosts
fsck(8)
check and repair a Linux file system
fsck.ext2(8)
check a Linux ext2/ext3 file system
fsck.ext3(8)
check a Linux ext2/ext3 file system
fsck.minix(8)
a file system consistency checker for Linux
fsck.nfs(8)
Dummy fsck.nfs script that always returns success.
fud(8)
provide information about user mailboxes

G

genksyms(8)
generate symbol version information
getkeycodes(8)
print kernel scancode-to-keycode mapping table
getty(8)
alternative Linux getty
groupadd(8)
create a new group
groupdel(8)
delete a group
groupmod(8)
modify a group definition on the system
grpck(8)
verify integrity of group files
grpconv(8)
convert to and from shadow passwords and groups
grpunconv(8)
convert to and from shadow passwords and groups

H

halt(8)
stop the system.
hddtemp(8)
Utility to monitor hard drive temperature
htcacheclean(8)
Clean up the disk cache
hwclock(8)
query and set the hardware clock (RTC)

I

i2cdetect(8)
detect I2C chips
i2cdump(8)
examine I2C registers
i2cset(8)
set I2C registers
iconvconfig(8)
Create fastloading iconv module configuration file
ifconfig(8)
configure a network interface
ifdown(8)
take a network interface down
iftop(8)
display bandwidth usage on an interface by host
ifup(8)
bring a network interface up
imapd(8)
IMAP server process
in.fingerd(8)
remote user information server
in.identtestd(8)
a small daemon that can be used to test Ident servers
in.ntalkd(8)
remote user communication server
in.talkd(8)
remote user communication server
inetd(8)
internet super-server
init(8)
process control initialization
insmod(8)
install loadable kernel module 0
install-info(8)
create or update entry in Info directory
install-keymap(8)
expand a given keymap and install it as boot-time keymap
install-mbr(8)
install a Master Boot Record manager
install-sgmlcatalog(8)
maintain transitional SGML catalog
installkernel(8)
install a new kernel image
intro(8)
Introduction to administration and privileged commands
invoke-rc.d(8)
executes System-V style init script actions
ip6tables(8)
IPv6 packet filter administration
ip6tables-restore(8)
Restore IPv6 Tables
ip6tables-save(8)
Save IPv6 Tables
ipchains(8)
IP firewall administration
ipchains-restore(8)
restore IP firewall chains from stdin
ipchains-save(8)
save IP firewall chains to stdout
ipcrm(8)
remove a message queue, semaphore set or shared memory id
ipcs(8)
provide information on ipc facilities
ipfwadm(8)
IP firewall and accounting administration
ipfwadm-ipchainsalternative(8)
IP firewall and accounting administration
ipfwadm-wrapper(8)
IP firewall administration
ippool(8)
?
iptables(8)
administration tool for IPv4 packet filtering and NAT
iptables-restore(8)
Restore IP Tables
iptables-save(8)
Save IP Tables
isadump(8)
examine ISA registers
isaset(8)
set ISA registers
isosize(8)
outputs the length of a iso9660 file system
ispell-autobuildhash(8)
Autobuilding the ispell hash file for some dicts
itox(8)
converts inetd.conf style configuration files to xinetd.conf

J

jnettop(8)
View hosts/ports taking up the most network traffic
john(8)
a tool to find weak passwords of your users

K

kallsyms(8)
Extract all kernel symbols for debugging
kbd-config(8)
Configure the console keyboard
kbdrate(8)
reset the keyboard repeat rate and delay time
kernel-packageconfig(8)
Internal handler of /etc/kernel-pkg.conf.
kerneld(8)
perform kernel action in user space (such as on-demand loading of modules)
keytab-lilo(8)
compile keytables files for use with LILO
killall5(8)
send a signal to all processes.
klogd(8)
Kernel Log Daemon
ksyms(8)
display exported kernel symbols.

L

lastlog(8)
reports the most recent login of all users or of a given user
ld-linux(8)
dynamic linker/loader
ld-linux.so(8)
dynamic linker/loader
ld.so(8)
dynamic linker/loader
ld.so/ld-linux.so(8)
dynamic linker/loader
ldconfig(8)
configure dynamic linker run-time bindings
lilo(8)
install boot loader
lilo.real(8)
install boot loader
lilo_find_mbr(8)
a simple script that prints the block device containing the main MBR
liloconfig(8)
interactive configure script for lilo
lmtp(8postfix)
Postfix local delivery via LMTP
local(8postfix)
Postfix local mail delivery
locale-gen(8)
generates localisation files from templates
lockd(8)
start kernel lockd process
logresolve(8)
Resolve IP-addresses to hostnames in Apache log files
logrotate(8)
rotates, compresses, and mails system logs
logsave(8)
save the output of a command in a logfile
losetup(8)
set up and control loop devices
.LP validlocale(8)
Test if a given locale is available
lsmod(8)
list loaded modules.
lspci(8)
list all PCI devices

M

mailer(8)
script to warn users about their weak passwords
make-ssl-cert(8)
Debconf wrapper for openssl
MAKEDEV(8)
create devices
MAKEFLOPPIES(8)
Creates the default floppy device nodes.
mandb(8)
create or update the manual page index caches
master(8postfix)
Postfix master process
mii-tool(8)
view, manipulate media-independent interface status
mk_modmap(8)
translate a Linux keytable file into an xmodmap file
mkboot(8)
makes a bootdisk
mke2fs(8)
create an ext2/ext3 filesystem
mkfs(8)
build a Linux file system
mkfs.ext2(8)
create an ext2/ext3 filesystem
mkfs.ext3(8)
create an ext2/ext3 filesystem
mkfs.minix(8)
make a Linux MINIX filesystem
mklost+found(8)
create a lost+found directory on a mounted Linux second extended file system
mkrescue(8)
make rescue floppy
mksmbpasswd(8)
formats a /etc/passwd entry for a smbpasswd file
mkswap(8)
set up a Linux swap area
modclean(8)
automatically unload loadable modules
modconf(8)
a module configuration utility
modinfo(8)
display information about a kernel module
modprobe(8)
high level handling of loadable modules
modules-config(8)
reconfigure the Apache webserver modules list
mount(8)
mount a file system
mount.cifs(8)
mount using the Common Internet File System (CIFS)
mount.smb(8)
mount an smbfs filesystem
mount.smbfs(8)
mount an smbfs filesystem
mountd(8)
NFS mount daemon
mtr(8)
a network diagnostic tool
mysqld(8)
the MySQL server

N

nameif(8)
name network interfaces based on MAC addresses
net(8)
Tool for administration of Samba and remote CIFS servers.
netstat(8)
Print network connections, routing tables, interface statistics, masquerade connections, and multicast memberships
newusers(8)
update and create new users in batch
nfsd(8)
NFS server process
nfsstat(8)
print NFS statistics
.Nm in.fingerd(8)
remote user information server
.Nm inetd(8)
internet super-server
.Nm ping(8)
send ICMP ECHO_REQUEST packets to network hosts
.Nm portmap(8)
DARPA port to RPC program number mapper
.Nm rmt(8)
remote magtape protocol module
.Nm rpcinfo(8)
report RPC information
.Nm sftp-server(8)
SFTP server subsystem
.Nm ssh-keysign(8)
ssh helper program for hostbased authentication
.Nm sshd(8)
OpenSSH SSH daemon
.Nm talkd(8)
remote user communication server
nmbd(8)
NetBIOS name server to provide NetBIOS over IP naming services to clients
nologin(8)
politely refuse a login
ntalkd(8)
remote user communication server
ntop(8)
display top network users

O

oqmgr(8postfix)
old Postfix queue manager

P

pam_getenv(8)
get environment variables from /etc/environment
pcimodules(8)
List kernel driver modules available for all currently plugged in PCI devices
pdbedit(8)
manage the SAM database (Database of Samba Users)
pickup(8postfix)
Postfix local mail pickup
pidof(8)
find the process ID of a running program.
ping(8)
send ICMP ECHO_REQUEST packets to network hosts
pipe(8postfix)
Postfix delivery to external command
pivot_root(8)
change the root file system
plipconfig(8)
fine tune PLIP device parameters
pmap_dump(8)
print a list of all registered RPC programs
pmap_set(8)
set the list of registered RPC programs
pop3d(8)
POP3 server process
portmap(8)
DARPA port to RPC program number mapper
poweroff(8)
stop the system.
proxymap(8postfix)
Postfix lookup table proxy server
pwcheck(8)
Cyrus password check daemon
pwcheck_pam(8)
Cyrus password check daemon
pwcheck_standard(8)
Cyrus password check daemon
pwck(8)
verify integrity of password files
pwconv(8)
convert to and from shadow passwords and groups
pwmconfig(8)
tests the PWM outputs of sensors and configures fancontrol
pwunconv(8)
convert to and from shadow passwords and groups

Q

qmgr(8postfix)
Postfix queue manager
qmqp-sink(8postfix)
multi-threaded QMQP test server
qmqp-source(8postfix)
multi-threaded QMQP test generator
qmqpd(8postfix)
Postfix QMQP server

R

ramsize(8)
query/set image root device, RAM disk size, or video mode
rarp(8)
manipulate the system RARP table
raw(8)
bind a Linux raw character device
rdev(8)
query/set image root device, RAM disk size, or video mode
reboot(8)
stop the system.
reconstruct(8)
reconstruct mailboxes
remove-default-ispell(8)
remove default ispell dictionary
remove-default-wordlist(8)
remove default wordlist
remove-shell(8)
remove shells from the list of valid login shells
resize2fs(8)
ext2/ext3 file system resizer
rmail(8)
handle remote mail received via uucp
rmmod(8)
unload loadable modules
rmt(8)
remote magtape protocol module
rmt-tar(8)
remote magtape protocol module
rootflags(8)
query/set image root device, RAM disk size, or video mode
rotatelogs(8)
Piped logging program to rotate Apache logs
route(8)
show / manipulate the IP routing table
rpc.lockd(8)
start kernel lockd process
rpc.mountd(8)
NFS mount daemon
rpc.nfsd(8)
NFS server process
rpc.statd(8)
NSM status monitor
rpcinfo(8)
report RPC information
rpm(8)
RPM Package Manager
rpm2cpio(8)
Extract cpio archive from RPM Package Manager (RPM) package.
rpmbuild(8)
Build RPM Package(s)
rpmdb(8)
RPM Package Manager
rpme(8)
RPM Package Manager
rpmi(8)
RPM Package Manager
rpmquery(8)
RPM Package Manager
rpmsign(8)
RPM Package Manager
rpmu(8)
RPM Package Manager
rpmverify(8)
RPM Package Manager
run-parts(8)
run scripts or programs in a directory
runlevel(8)
find the current and previous system runlevel.

S

safe_finger(8)
finger client wrapper that protects against nasty stuff from finger servers
savelog(8)
save a log file
scrollkeeper-preinstall(8)
generate an OMF file, based on an existing OMF file, which has the correct URL for a document
scrollkeeper-rebuilddb(8)
rebuild the scrollkeeper document catalog database
scrollkeeper-update(8)
identify new, modified, or removed OMF files and update the scrollkeeper databases
select-default-ispell(8)
select default ispell dictionary
select-default-wordlist(8)
select default wordlist
sensors-detect(8)
detect hardware monitoring chips
setkeycodes(8)
load kernel scancode-to-keycode mapping table entries
setlogcons(8)
Send kernel messages to console N
setpci(8)
configure PCI devices
setserial(8)
get/set Linux serial port information
setsid(8)
run a program in a new session
setvesablank(8)
Turn VESA screen blanking on or off
sfdisk(8)
Partition table manipulator for Linux
sftp-server(8)
SFTP server subsystem
shadowconfig(8)
toggle shadow passwords on and off
showmount(8)
show mount information for an NFS server
showq(8postfix)
list the Postfix mail queue
shutdown(8)
bring the system down
slattach(8)
attach a network interface to a serial line
smbd(8)
server to provide SMB/CIFS services to clients
smbmnt(8)
helper utility for mounting SMB filesystems
smbmount(8)
mount an smbfs filesystem
smbpasswd(8)
change a user's SMB password
smbspool(8)
send a print file to an SMB printer
smbumount(8)
smbfs umount for normal users
smtp(8postfix)
Postfix remote delivery via SMTP
smtp-sink(8postfix)
multi-threaded SMTP/LMTP test server
smtp-source(8postfix)
multi-threaded SMTP/LMTP test generator
smtpd(8postfix)
Postfix SMTP server
snmpd(8)
daemon to respond to SNMP request packets.
snmptrapd(8)
Receive and log SNMP trap messages.
spawn(8postfix)
Postfix external command spawner
ssh-keysign(8)
ssh helper program for hostbased authentication
sshd(8)
OpenSSH SSH daemon
start-stop-daemon(8)
start and stop system daemon programs
statd(8)
NSM status monitor
sudo(8)
execute a command as another user
sudoedit(8)
execute a command as another user
suexec(8)
Switch User For Exec
suexec2(8)
Switch user before executing external programs
sulogin(8)
Single-user login
svnserve(8)
Server for the 'svn' repository access method
swapoff(8)
enable/disable devices and files for paging and swapping
swapon(8)
enable/disable devices and files for paging and swapping
swat(8)
Samba Web Administration Tool
sync(8)
synchronize data on disk with memory
sysctl(8)
configure kernel parameters at runtime
sysctl.conf(5)
sysctl(8) preload/configuration file
sysklogd(8)
Linux system logging utilities.
syslog-facility(8)
Setup and remove LOCALx facility for sysklogd
syslog.conf(5)
syslogd(8) configuration file
syslogd(8)
Linux system logging utilities.
syslogd-listfiles(8)
list system logfiles

T

talkd(8)
remote user communication server
tasksel(8)
a user interface for installing tasks
tcpd(8)
access control facility for internet services
tcpdchk(8)
tcp wrapper configuration checker
tcpdmatch(8)
tcp wrapper oracle
tcpdump(8)
dump traffic on a network
tdbbackup(8)
tool for backing up and for validating the integrity of samba .tdb files
telinit(8)
process control initialization
trace(8postfix)
Postfix message bounce or defer daemon
traceroute(8)
print the route packets take to network host
traceroute.lbl(8)
print the route packets take to network host
trivial-rewrite(8postfix)
Postfix address rewriting and resolving daemon
try-from(8)
test program for the tcp_wrapper
tune2fs(8)
adjust tunable filesystem parameters on ext2/ext3 filesystems
tunelp(8)
set various parameters for the lp device
tzconfig(8)
set the local timezone
tzselect(8)
select a time zone

U

umount(8)
unmount file systems
unafs(8)
script to warn users about their weak passwords
unique(8)
removes duplicates from a wordlist
unix_chkpwd(8)
check the password of the invoking user
unshadow(8)
combines passwd and shadow files
update-alternatives(8)
maintain symbolic links determining default commands
update-catalog(8)
create or update entry in SGML catalog file
update-default-aspell(8)
rebuild aspell database and emacsen stuff
update-default-ispell(8)
update default ispell dictionary
update-default-wordlist(8)
update default wordlist
update-dictcommon-aspell(8)
rebuild aspell database and emacsen stuff
update-fonts-alias(8)
compile fonts.alias files
update-fonts-dir(8)
compile fonts.dir files
update-fonts-scale(8)
generate fonts.scale files
update-inetd(8)
create, remove, enable or disable entry in /etc/inetd.conf
update-java-alternatives(8)
update alternatives for jre/sdk installations
update-lilo(8)
interactive configure script for lilo
update-locale(8)
Modify global locale settings
update-mime(8)
create or update MIME information
update-modules(8)
(re)generate /etc/modules.conf and /etc/chandev.conf
update-openoffice-dicts(8)
rebuild dictionary.lst for OpenOffice.org
update-passwd(8)
safely update /etc/passwd, /etc/shadow and /etc/group
update-pciids(8)
download new version of the PCI ID list
update-python-modules(8)
byte-compile python modules
update-rc.d(8)
install and remove System-V style init script links
update-usermin(8)
- Adds or removes a module from the usermin ACL
update-webmin(8)
- Adds or removes a module from the webmin ACL
update-xmlcatalog(8)
maintain XML catalog files
useradd(8)
create a new user or update default new user information
userdel(8)
delete a user account and related files
usermod(8)
modify a user account

V

validlocale(8)
Test if a given locale is available
.Vb 1 select-default-ispell(8)
select default ispell dictionary
.Vb 1 select-default-wordlist(8)
select default wordlist
verify(8postfix)
Postfix address verification server
vidmode(8)
query/set image root device, RAM disk size, or video mode
vigr(8)
edit the password, group, shadow-password or shadow-group file
vipw(8)
edit the password, group, shadow-password or shadow-group file
virtual(8postfix)
Postfix virtual domain mail delivery agent
visudo(8)
edit the sudoers file
vmstat(8)
Report virtual memory statistics
vsftpd(8)
Very Secure FTP Daemon

W

webmin(8)
- A web based system administration tool
writevt(8)
put text into the input buffer of a virtual terminal

X

xconv.pl(8)
inetd.conf to xinetd.conf converter
xinetd(8)
the extended Internet services daemon

Z

zic(8)
time zone compiler

1 A B C D E F G H I J K L M N O P Q R S T U V W X Z