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RedHat RHCSA Commands (RHCSA rh200 - Commands With A $ Are User, While # Are Executed By Root)- Q&A $9.99   Add to cart

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RedHat RHCSA Commands (RHCSA rh200 - Commands With A $ Are User, While # Are Executed By Root)- Q&A

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RedHat RHCSA Commands (RHCSA rh200 - Commands With A $ Are User, While # Are Executed By Root)- Q&A

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  • October 24, 2024
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  • Exam (elaborations)
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  • RHCSA
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LeCrae
RedHat RHCSA Commands (RHCSA rh200 - Commands
With A $ Are User, While # Are Executed By Root)- Q&A

#ip addr show Right Ans - show IP address with the IP command

/etc/sysconfig/network Right Ans - shows network / global network
variables:

NETWORKING=yes
HOSTNAME=shuttlehosti
GATEWAY=192.168.88.1

/etc/hosts Right Ans - local host file (contains hostname). Can contain local
system DNS.

127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6

/etc/sysconfig/iptables Right Ans - stores filewall rules for the system.

/etc/sysconfig/resolv.conf Right Ans - orig DNS config file. still used

/usr/share/doc/initscripts-*/sysconfig.txt Right Ans - Documentation
about sysconfig network scripts

system config firewall Right Ans - GUI menu
system/administratrion/firewall

**manual iptable rules will be overwritten with this tool.

/etc/services Right Ans - file holding services, ports, protocols assoicated

ip masqu Right Ans - acting as a router with forwarding

System-config-firewall tui Right Ans - shell config tool gropued like GUI
firewall configurater.

**manual iptable rules will be overwritten with this tool.

, /etc/sysconfig/iptables Right Ans - stores IPtables rules (filter)
chains, input forward output
are persistant

IPtables input chain Right Ans - process packets coming into the system

IPtables forward chain Right Ans - process packets being forwarded
through the system

IPtables output chain Right Ans - process packets coming out of the system

#iptables -L Right Ans - list iptables

#iptables -F Right Ans - flush the firewall of all rules

insert as opposed to append Right Ans - append add to the end of the
IPtables rules. insert will put rule above the deny all rule.

#iptables -I INPUT -p tcp --dport 21 -j Accept Right Ans - basic add rule for
iptables
not persistant unless saved with #/etc/init.d/iptables save

#iptables -D INPUT -p tcp --dport 21 -j accpet Right Ans - Delete a rule
from iptables

RPM packages contain these files Right Ans - - .spec file containing
information to create rpm package
- libraries or application
- any documentation
- any configuration files

/var/lib/rpm Right Ans - contains RPM database

name-version-release.architecture.rpm Right Ans - RPM package naming

#yum Right Ans - handles dependencies while RPMs do not
uses preconfigured repos

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