THE FOLLOWING COMPTIA LINUX+ EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER: You are troubleshooting a storage problem, and a Serial ATA (SATA) disk or mount point may be missing. Which of the following identifiers is used by SATA disks?
You are examining a problem report where a USB disk is no longer available. Which command is used to obtain a list of USB devices?
You have lost the password for a server and need to boot into single user mode. Which option given at boot time within the GRUB configuration will start the system in single user mode to enable password recovery and/or reset?
Which of the following is a good first troubleshooting step when a hard disk is not detected by the Linux kernel?
The system that you’re working with recently had a hard drive failure, resulting in degraded storage. A new hard drive has been installed and had Linux restored from backup to the drive. However, the system will not boot and instead shows a A legacy PATA disk is used to boot the system. You recently added an internal DVD drive to the computer, and now the system will no longer boot. What is the most likely cause?
You have connected a USB disk to the system and need to find out its connection point within the system. Which of the following is the best method for accomplishing this task?
How many SCSI devices are supported per bus?
Which command is used to update the links and cache for shared libraries on the system?
Which command and option are used to update a Debian system to the latest software?
Which option given to a Which of the following commands adds Within which directory will you find the repositories used by Yum?
Which command is used to determine the libraries on which a given command depends?
Which of the following is true of Linux swap space?
Which of the following is not typically used to store libraries?
You are attempting to install a new package on a Debian system from a repository. The package does not seem to exist. Which of the following commands updates the package cache for a Debian system?
Within which file are details of the current package repositories stored on a Debian system?
Which of the following commands initializes a physical disk partition for use with LVM?
Which command is used to create a logical volume with LVM?
What is the logical order for creation of an LVM logical volume?
Which option for Which command option for Which option in Which partition type should be created for a Linux system, non-swap partition?
Which command searches for and provides information on a given package on a Debian system, including whether the package is currently installed?
Which command is used to search for physical volumes for use with LVM?
Which of the following installs a previously downloaded Debian package?
You are troubleshooting an issue reported by a user and suspect it may be related to their environment variables. What command should the user run in order to view the current settings for their environment when using bash?
You need to write a script that gathers all the process IDs for all instances of Apache running on the system. Which of the following commands will accomplish this task?
Users are reporting that various programs are crashing on the server. Examining logs, you see that certain processes are reporting out-of-memory conditions. Which command can you use to see the overall memory usage, including available swap space?
Which command can be used to determine the current load average along with information on the amount of time since the last boot of the system?
You need to start a long-running process that requires a terminal and foreground processing. However, you cannot leave your terminal window open due to security restrictions. Which command will enable you to start the process and return at a later time to continue the session?
Which command can be run to determine the default priority for processes spawned by the current user?
You have backgrounded several tasks using Which command can be used to kill any process by using its name?
You are troubleshooting an issue with disk usage and suspect that the partition is out of inodes. Which of the following commands shows the usage of inodes across all filesystems?
When running an You are using a storage area network (SAN) that keeps causing errors on your Linux system due to an improper kernel module created by the SAN vendor. When the SAN sends updates, it causes the filesystem to be mounted as read-only. Which command and option can you use to change the behavior of the filesystem to account for the SAN bug?
Which command is used to format a swap partition?
The system is running out of disk space within the home directory partition, and quotas have not been enabled. Which command can you use to determine the directories that might contain large files?
Which option is set on a filesystem in order to enable user-level quotas?
Which option to In the context of an When configuring local user access, LightDM typically allows guest login by default. Which configuration option within SeatDefaults changes this to disallow guests?
Which of the following commands allows a host named To which shell can a user account be set if they are not allowed to log in interactively to the computer?
When troubleshooting disk usage, which of the following commands is used to determine the amount of disk space used by systemd journal logfiles?
You are having difficulty with an interface on the server, and it is currently down. Assuming that there is not a hardware failure on the device itself, which command and option can you use to display information about the interface?
Which of the following is not used as a private address for internal, non-Internet, use?
Which of the following commands adds a default gateway of 192.168.1.1 for interface eth0?
Which option for the Which option for the Which of the following commands queries for the mail servers for the domain Which option to the Which command can be used to listen for netlink messages on a network?
Which of the following Which of the following commands will enumerate the Which of the following configuration lines will set the DNS server to 192.168.1.4 using Which of the following commands adds a route to the server for the network 192.168.51.0/24 through its gateway of 192.168.51.1?
Which of the following commands shows network services or sockets that are currently listening along with sockets that are not listening?
Which of the following represents a correct configuration line for Which of the following commands configures the eth0 device with an IP address of 192.168.1.1 in a /24 network?
Which of the following commands will change the default gateway to 192.168.1.1 using eth0?
When troubleshooting an issue where SSH connections are timing out, you think the firewall is blocking SSH connections. Which of the following ports is used for Secure Shell communication?
Which options for Which of the following commands displays the Start of Authority information for the domain Assume that you want to enable local client services to go to hosts on the network without needing to fully qualify the name by adding the domain for either Which of the following commands prevents traffic from reaching the host 192.168.1.3?
Which of the following describes a primary difference between Which of the following commands will emulate the You are troubleshooting a DNS problem using the Which of the following commands should be executed after running Which option should be used to send a DNS query for an SPF record with When troubleshooting a connectivity issue, you have found that you can reach a server via the Web but cannot ping it. Which of the following best describes a possible cause for this scenario?
When viewing the available routes using the Which of the following commands requests a zone transfer of You need to temporarily prevent users from logging in to the system using SSH or other means. Which of the following describes one method for accomplishing this task?
Which of the following commands searches the entire filesystem for files with the Which of the following commands scans the IP address 192.168.1.154 for open ports?
Which of the following configuration options sets a hard limit of 25 processes for a user called suehring in Which of the following commands displays the currently open ports and the process that is using the port?
You are using Which option within Which option to Which of the following commands searches a server for files with the When using Which of the following commands displays blocks in and blocks out as related to I/O?
Which of the following commands can be used to display a list of currently logged-in users along with the current load average and time since last reboot?
Which of the following describes a method for changing the sort order when using the Which of the following monitoring tools can use SNMP and scripts to collect data for performance-related graphing such as throughput and bandwidth?
Which Which option to the Which of the following commands deactivates swap space?
Which of the following Which of the following commands displays information about a given physical volume in an LVM setup?
Which of the following commands looks for LVM physical volumes and volume groups involved in an LVM configuration?
Which of the following commands is used to display a list of physical volumes involved in LVM?
When using the You are using the You have replaced a device on the network but used the IP from another active device. Which command can be run to remove the MAC address entry from your computer so that it performs the address resolution again?
When looking to parse the output of the Which option to the Which option to Which option to Which of the following commands provides a live You are using a local RAID array and investigating a performance issue. When using When viewing the results of a Assuming that policy routing has been enabled in the kernel, which option to the When troubleshooting a possible issue with bad blocks on a disk, which option to Which of the following files provides information on memory utilization including free memory, buffers, cache usage, and several additional items?
Which scan mode for Which option to On which port does the When running the Which option to Which option to the Which of the following commands is used to measure network throughput?
You would like to monitor interrupt usage in real time on a Linux server in order to troubleshoot communication ports usage. Which of the following commands can be used for this purpose?
You are configuring an RDMA interface. Which of the following commands displays information about InfiniBand devices?
You need to increase the performance of process ID 4382 by changing its priority. Which of the following commands will accomplish this task?
Which option to You would like to find all of the process IDs associated with the Which kill signal sends a hangup to a given process?
Which command is used to configure kernel parameters for a new GPU driver added to the system?
You would like to change the byte-to-inode ratio on a new filesystem in order to prevent inode exhaustion. Which option to Which directory contains information on FibreChannel HBA ports?
Which type of module interface for PAM is used to set a policy such as the time of day that a user can log in?
You need to create a restrictive access control list (ACL) on a server. Which policy should be the default for the Which option to the When creating a daemon process that will be used on the local server, which of the following communication methods should be used?
When using the Which of the following commands provides a command-line interface into NetworkManager?
Which command displays network usage in a You suspect saturation is affecting network performance with your Linux server. Which command can be used to help determine the amount of traffic being passed through a given interface?
You are looking to optimize the I/O scheduler for your Linux server. Which I/O scheduling algorithm is the default?
You would like to efficiently manage firewall rules such that you can define a group of IP addresses to which a single rule can be applied. Which command enables you to create a group of IP addresses?
You are receiving reports of timeouts from users attempting to SSH between servers. Which command should be used to help troubleshoot these reports?
Which command can be used to capture network traffic in You need to determine the owner of an IP address. You have attempted to use Which command can be used to help diagnose latency issues with a disk?
Which command can be used to trigger the kernel to update the partition table?
Which of the following commands can be used to display historical performance data across several different parameters?
Which option to When examining output from the Within which file is keyboard mapping set on a Debian or Ubuntu system?
You are troubleshooting printer access on a Linux system. On which port does the CUPS printing daemon listen by default?
You need to change ownership of files within a directory to have that ownership inherit all subdirectories and files. Which option to the Which utility can be used to find SELinux context violations?
You have added a new RAID adapter to the system. Which command can be used to ensure that the adapter was detected by the kernel?
Which option is used to send a signal to a process when using You are troubleshooting a directory permission issue. The directory and all subdirectories are owned by root. Within the top-level directory there is another directory that has 755 permissions on it. However, a non-root user cannot obtain a directory listing of that subdirectory. Which of the following might be the issue?
What is the default request size for Within which file can you determine the current I/O scheduler algorithm?
Which option to Which command can be used within the What are the minimum permissions needed for a user to write into a directory for which they are not the owner and are not in a group that owns the directory?
Which of the following protocols provides a means for authentication to occur external to the Linux system?
When creating a file, a user is receiving an error. The file is very large. What command can the user execute in order to determine the file size limitation?
What permissions are required for a bash script to be executable by everyone?
Which command can be used to set file attributes such as making a file immutable?
Which range of UIDs is typically used by service accounts?
Which of the following commands retrieves the current group membership list for a user?
You have added a swap disk to a Linux server and have executed Which option to Which message type(s) should be queried when looking for SELinux access denials or violations?
Which command can be used to obtain extended hardware information, including information about the motherboard?
You have found that a SATA disk within a RAID array has gone bad. Which option to Which option to Which option to To which file can you echo “- - -” in order to cause a scan of a SCSI host adapter for new disks?
When performing local authentication, which file provides encrypted password information?
Which option is used to display information about current file attributes?
The out-of-memory killer has been killing some processes on the system. Which columns within Which signal number corresponds to Which of the following classes is the default class type queried by the Which option to the Which option to the Which of the following commands can be used to find zombie processes?
Which command can be used to list all of the detected hardware within a system?
Which option to the Which process state indicates that the process is currently running?
nmap
netstat
iftop
route
iperf
tcpdump
ipset
tshark
netcat
traceroute
mtr
arp
nslookup
dig
host
whois
ping
nmcli
ip
tracepath
iostat
ioping
cfq
noop
deadline
du
df
LVM tools
fsck
partprobe
/proc/cpuinfo
uptime
loadaverage
sar
sysctl
swapon
swapoff
mkswap
vmstat
/proc/meminfo
nice
renice
top
ps
lsof
pgrep
pkill
/sys/class/scsi_host/host#/scan
/dev/hdX
/dev/sataX
/dev/sdX
/disk/sataX
usb-list
lsusb
ls-usb
ls --usb
single-user
su
single
root
disk-detect
command.grub >
prompt. Within the grub >
prompt, which command will show the current partitions as seen by GRUB?
ls
showPart
partitionlist
ps
/var/log/usb.log
dmesg
and looking for the disk
ldcache
cache-update
link-update
ldconfig
apt-update
apt-get upgrade
dpkg -U
apt-cache clean
yum
command will install a package?
update
configure
install
get
/usr/local/lib
to the LD_LIBRARY_PATH
when using the bash shell?
set PATH=/usr/local/lib
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib
LD_LIBRARY_PATH=/usr/local/lib
connectpath LD_LIBRARY_PATH=/usr/local/lib
/etc/yum.conf
/etc/repos
/etc/yum.conf.d
/etc/yum.repos.d
ldconfig
librarylist
listdeps
ldd
/lib
/etc/lib
/usr/lib
/usr/local/lib
apt-get cache-update
apt-cache update
apt-get update
apt-get upgrade
/etc/apt.list
/etc/sources.list
/etc/apt/sources.list
/etc/apt.d/sources.list
lvmcreate
pvcreate
fvcreate
lvinit
pvcreate
lvmcreate
lvcreate
volcreate
yum
performs a search of the package cache?
seek
query
--search
search
rpm
can be used to show the version of the kernel?
rpm kernel
rpm -q kernel
rpm search kernel
rpm --list kern
/etc/yum.conf
is used to ensure that the kernel is not updated when the system is updated?
exclude=kernel*
exclude-kernel
updatekernel=false
include-except=kernel
dpkg -i
dpkg -s
apt-cache
apt-info
lvmcreate
pvcreate
lvmdiskscan
lvmscan
dpkg -i <package name>
apt-install <package name>
apt-slash <package name>
dpkg -U <package name>
environment
env
listenv
echoenv
ps auwx | grep apache
pgrep apache
processlist apache
ls -p apache
tree
pgrep
uptime
free
uptime
sysinfo
bash
ls -u
fg
bg
kill
screen
prio
nice
renice
defpriority
&
. Which command can be used to view the current list of running tasks that have been backgrounded?
procs
plist
jobs
free
killproc
killname
killall
kill -f
df -i
ls -i
du -i
dm -i
fsck
on an ext3 filesystem, the process is taking longer than expected and requiring input from the administrator to fix issues. What option could be added to fsck
next time so that the command will automatically attempt to fix errors without intervention?
-o
-V
-y
-f
mount --continue
tune2fs -e continue
mkfs --no-remount
mount -o remount
fdisk
mkswap
formatswap
format -s
du
df
ls
locate
quotaon
enquota=user
usrquota
userquota
quotacheck
is used to create the files for the first time?
-f
-u
-m
-c
if
conditional within a bash script, which of the following tests will determine whether a file exists and can be read by the user executing the test?
-e
-s
-a
-r
guest-login=false
guest=false
allowg=false
allow-guest=false
cwa
to connect to the X server?
xconnect cwa
xterm +cwa
xhost +cwa
xf cwa
/bin/bash
/bin/tcsh
/bin/zsh
/bin/false
journalctl --disk
journalctl -du
journalctl --disk-usage
journalctl -ls
ifconfig -a
ifup
netstat -n
ifconfig
route add default gateway 192.168.1.1 eth0
eth0 --dg 192.168.1.1
route add default gw 192.168.1.1 eth0
route define eth0 192.168.1.1
host
command will query for the authoritative nameservers for a given domain?
-t ns
-t all
-n
s-named
ping
command enables you to choose the interface from which the ICMP packets will be generated?
-i
-I
-t
-a
example.com
?
dig example.com mx
dig example.com
host -t smtp example.com
dig example.com smtp
traceroute
command will use TCP SYN packets for the path trace?
-T
-t
-s
-i
ip monitor
netlink -a
ip netlink
route
dig
commands sends the query for example.com
directly to the server at 192.168.2.5 rather than to a locally configured resolver?
dig example.com @192.168.2.5
dig -t 192.168.2.5 example.com
dig -s 192.168.2.5 example.com
dig server=192.168.2.5 example.com
hosts
database?
getent hosts
gethosts
nslookup
host
/etc/resolv.conf
?
dns 192.168.1.4
dns-server 192.168.1.4
nameserver 192.168.1.4
name-server 192.168.1.4
route add -net 192.168.51.0 netmask 255.255.255.0 gw 192.168.51.1
route add -net 192.168.51/24 gw 192.168.1.51
route -net 192.168.51.0/24 192.168.51.1
route add 192.168.51.1 -n 192.168.51.0//255.255.255.0
netstat -a
netlink -a
sockets -f
opensock -l
/etc/hosts
?
192.168.1.4 cwa.braingia.org cwa
cwa.braingia.org cwa 192.168.1.4
cwa.braingia.org 192.168.1.8 alias cwa
alias cwa.braingia.org cwa 192.168.1.4
ifconfig eth0 192.168.1.1/24
ifconfig eth0 192.168.1.1/255.255.255.0
ifconfig eth0 192.168.1.1 netmask 255.255.255.0
ifconfig 192.168.1.1 netmask 255.255.255.0 eth0
ip route default gw 192.168.1.1
ip route change default via 192.168.1.1 dev eth0
ip route default gw update 192.168.1.1
ip route update default 192.168.1.1 eth0
netcat
will create a server listening on port 8080?
netcat -p 8080
nc -l -p 8080
nc -p 8080
nc -s 8080
example.com
?
dig example.com soa
dig example.com authority
dig example.com -auth
dig -t auth example.com
example.com
or example.org
. Which option in /etc/resolv.conf
will provide this functionality?
search
domain
local-domain
local-order
route add -host 192.168.1.3 reject
route -nullroute 192.168.1.3
route add -null 192.168.1.3
route add -block 192.168.1.3
traceroute
and tracepath
?
traceroute
command requires root privileges.tracepath
command provides the MTU for each hop, whereas traceroute
does not.tracepath
command cannot be used for tracing a path on an external network.traceroute
command is not compatible with IPv6.ping
command in Microsoft Windows, where the ping
is sent for four packets and then the command exits?
ping -n 4
ping -t 4
ping -p 4
ping -c 4
dig
command and receive a “status: NXDOMAIN” message. Which of the following best describes what NXDOMAIN means?
ip route
change?
ip route flush cache
ip route reload
ip route cache reload
ip route restart
dig
?
-t txt
-t spf
-t mx
-t mailspf
route
command, one route contains the flags UG
and the others contain U
. What does the letter G
signify in the route table?
G
signifies that the route is good.G
signifies that the route is unavailable.G
signifies that this is a gateway.G
signifies that the route is an aggregate.example.org
from the server at 192.168.1.4?
dig example.org @192.168.1.4 axfr
dig example.org @192.168.1.4
dig example.org @192.168.1.4 xfer
dig example.org #192.168.1.4 xfer
touch /etc/nologin
sshd
./etc/login
.setuid
bit set?
find ./ -perm suid
find / -perm 4000
find / -type suid
find / -type f -perm setuid
nmap 192.168.1.154
lsof 192.168.1.154
netstat 192.168.1.154
netmap 192.168.1.154
/etc/security/limits.conf
?
suehring hard proc 25
suehring hard nproc 25
suehring proc 25 hard-limit
proc 25 suehring hard
netstat -a
lsof -i
ps auwx
netlist
nmap
to scan a host for open ports. However, the server is blocking ICMP echo requests. Which option to nmap
can you set in order to continue the scan?
-P0
-no-ping
-s0
-ping-0
/etc/security/limits.conf
is used to control the number of times a given account can log in simultaneously?
nlogins
loginmax
maxlogins
loginlimit
nmap
sets the scan to use TCP SYN packets for finding open ports?
-sS
-sT
-sY
-type SYN
setgid
bit enabled?
find / -perm 4000
find ./ -perm setgid
grep setgid *
find / -perm 2000
iostat
to assess performance, which option displays information on a per-partition basis for block devices?
-a
-d
-p
iorpt
iptraf
vmswap
vmstat
uptime
w
swap
sysinfo
top
command such that the highest memory utilizers will be shown at the top of the list?
top
, type o
and then select mem
.top
, press Shift+F, scroll to %MEM, press S to select, and then press Q to quit.top
, press S and then select %MEM.top
, press Shift+S, select %MEM, then press Q to quit.
ptop
pstree
swapon
option silently skips swap partitions that do not exist?
-u
-e
-i
-o
fsck
command causes it to run the check even if the filesystem is apparently marked as clean?
-f
-m
-a
-c
swapoff
swap -off
unmountswap
uswap
swapon
options displays information on the size of swap space along with its used space?
--list
-a
--show
-h
pvdisp
pvlist
pvdisplay
pvl
vgscan
lvmscan
lvlist
pvlist
pvdisp
pvlist
pvscan
pvmm
ip
command, which protocol family is used as the default if not otherwise specified?
tcpip
ip
inet
arp
route
command to view routes. However, name resolution is taking a long time and causing delay in the response from the route
command. Which option to route
can be added to cause it to not perform name resolution?
-d
-e
-f
-n
arp -d
netstat -rn
hostname
dig
ip
command, which option can be set to remove newlines such that the output could be piped to the grep
command?
-n
-o
-l
-f
arp
command creates a new entry for a given IP address to MAC address pair?
-s
-c
-d
--add
tcpdump
displays a list of available interfaces on which tcpdump
can operate?
-a
-d
-D
-i
nmap
will cause it to always perform name resolution?
-n
-R
-b
-a
traceroute
of the route between two hosts, updating the information for each hop in near real-time?
traceroute --live
mtr
route -update
liveroute
mdadm
in monitor mode, which option sets the polling interval?
--delay
--internal
--interval
--poll
traceroute
, you see !H
. To what does !H
refer?
ping
command can be used to mark the outgoing request appropriately in order to indicate that the packet should be processed according to a particular policy?
-m
-a
-p
-k
fsck
will report statistics such as CPU time used on completion of the fsck
operation?
-s
-r
-l
-f
/proc/cpuinfo
/proc/memtime
/proc/memuse
/proc/meminfo
nmap
provides an Xmas scan?
-sT
-sS
-sP
-sX
tcpdump
sets the snapshot length of packets to capture?
-s
-l
-d
-c
ping
command operate for ICMP echo requests?
df
command, you need to change the scale such that the report shows terabytes instead of bytes. Which option will accomplish this task?
-ST
-BT
-j
-T
mke2fs
is used to check for bad blocks during filesystem creation?
-a
-b
-c
-d
ping
command shows latency rather than round-trip time?
-L
-i
-U
-d
tp
iperf
ith
ithrough
int
moni
itop
imon
ibmon
ibstat
rdmon
rdstat
renice -5 -p 4382
renice 5 -p 4382
renice 100 4382
renice 4382 +5
netstat
is used to disable DNS or hostname lookups?
-b
-h
-q
-n
sshd
process on an Ubuntu system. Which of the following commands accomplishes this task?
ps -sshd
pidof sshd
pids sshd
ps --a=sshd
gpuctl
gpuload
sysconfig
sysctl
mke2fs
accomplishes this task?
-b
-r
-i
-u
/sys/fc/ports
/sys/class/hba
/sys/class/fc_host
/sys/class/fc/ports
auth
account
password
policy
INPUT
chain within the firewall?
deny
permit
accept
discard
ls
command displays the ownership, including user and group owners of a given file or directory?
-o
-a
-l
-d
free
command to determine memory usage, which column shows the memory used by the kernel for things like kernel buffers?
used
shared
buffers
cache
nmc
dmc
nmcli
netman
top
-like interface?
iftop
iptop
ptop
netcap
netp
sat
iptraf
ipsat
deadline
noop
cfq
iqueue
ipgroup
iptables -group
addrgroup
ipset
tcptraceroute
ping
telnet
ps
pcap
format for later analysis by a tool like Wireshark?
tcpcap
pdump
tshark
pcapr
nslookup
to determine the hostname, but there was no PTR record for the IP. Which command can be used to determine who owns the IP address?
iplookup
ipowner
whois
bg
diskstat
statd
fdisk
ioping
ifdisk
partup
partprobe
uppart
sar
kernperf
pkern
perfshow
sysctl
displays all of the available parameters?
-a
-b
-c
-d
state
column of the ps
command, there is a process with a state of D
. What state is that process currently in?
/etc/kbd.conf
/etc/default/keyboard
/etc/default/kbd.conf
/etc/keymap
chown
command accomplishes this task?
-o
-R
-r
-f
sestat
secv
convio
ausearch
showraid
lsadapt
dmesg
raidlist
pkill
?
-<SIGNAL>
-s
-i
-h
ioping
?
/sys/block/<device>/queue/scheduler
/sys/block/<device>/iosch
/etc/iostat.cfg
/etc/default/ioscheduler
iftop
prevents hostname lookups from occurring?
-d
-a
-t
-n
nslookup
CLI to change the server to which the query will be sent?
dest
server
srv
auth
limit
ulimit
filelimit
flimit
chr
fattr
chattr
fop
groupmem
groups
lsgr
getgr
mkswap
. However, on examination of the output from the free
command, the swap space is not being used. Which command do you need to execute?
swapon
swap-en
actswap
swpact
ioping
sets the size of the request?
-m
-n
-f
-s
AVC
DEN
AVC,USER_AVC
STOP,VIOL
mbhw
lsmb
dmidecode
lsallhw
mdadm
removes the disk from the RAID array, placing it into a degraded state?
rm
fail
rem
del
whois
suppresses the legal disclaimer information from certain registries?
-L
-q
-H
-s
iftop
sets the interface on which iftop
will listen?
-m
-i
-l
-a
/sys/bus/scsi/hostscan
/sys/class/scsi_host/hostN/scan
/sys/class/<host>/scan
/etc/scsiadm
/etc/passwd
/etc/shadow
/etc/encrpass
/etc/passen
lsfile
lsattr
showfile
exattr
ps
output are helpful for determining current memory usage for a given process?
size
and rss
mem
and swap
free
and cache
phy
and vir
SIGKILL
?
host
command?
EX
HS
FO
IN
netstat
command displays the current routing table?
-r
-t
-a
-l
du
command provides summary output?
-o
-h
-s
-u
ps -Z
ps | grep Z
ps | grep zombie
ps -a -z
lshw
showhw
lspic
slist
ioping
command sets the number of requests to send?
-r
-c
-n
-a
C
R
T
V