Tag Archives: rhce

RHCE Performance

RHCE Objectives: Produce and deliver reports on system utilization (processor, memory, disk, and network). This is a bit more flexible. You can use several tools to get processor, memory, disk, and network information such as iostat – cpu and disk … Continue reading

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RHCE iSCSI

RHCE Objectives: Configure a system as either an iSCSI target or initiator that persistently mounts an iSCSI target http://www.certdepot.net/rhel7-configure-iscsi-target-initiator-persistently/ Actually this page is pretty clear. I followed it and it worked just fine. Create the image drives for use by … Continue reading

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RHCE Kerberos

RHCE Objectives: Configure a system to authenticate using Kerberos * yum install krb5-workstation pam_krb5 *

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RHCE sysctl and kernel

RHCE Objectives: Use /proc/sys and sysctl to modify and set kernel runtime parameters. This is all pretty normal work. In RH6 you’d manually edit the /etc/sysctl.conf file to make changes and run sysctl -p to reload the changes or reboot … Continue reading

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RHCE Use firewalld

RHCE Objective: Use firewalld and associated mechanisms such as rich rules, zones, and custom rules, to implement packet filtering and configure network address translation (NAT). http://www.certdepot.net/rhel7-get-started-firewalld/ This is clearly necessary to pass the exam so we’ll just have to dig … Continue reading

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RHCE Route IP Traffic

RHCE Objective: Route IP traffic and create static routes In most cases, you’ll use routing when you have a multi-homed system. A server with an interface on one network and one or more interfaces on a different network. You’d do … Continue reading

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RHCE Configure IPv6

RHCE Objectives: Configure IPv6 addresses and perform basic IPv6 troubleshooting. Configuring IPv6 on Red Hat 7 is very similar to configuration on Red Hat 6. Files are located in: /etc/sysconfig/network and /etc/sysconfig/network-scripts/ifcfg-interface The definition for IPv6 specific settings are located … Continue reading

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RHCE Network Teaming/Bonding

RHCE Objective: Use network teaming or bonding to configure aggregated network links between two Red Hat Enterprise Linux systems. http://rhelblog.redhat.com/2014/06/23/team-driver/ https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Networking_Guide/ch-Configure_Network_Teaming.html Teaming and Bonding are the same as far as technical discussions at this level are concerned. Bonding is kernel … Continue reading

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RHCE Objectives

System configuration and management Use network teaming or bonding to configure aggregated network links between two Red Hat Enterprise Linux systems Configure IPv6 addresses and perform basic IPv6 troubleshooting Route IP traffic and create static routes (Chapter 12) Use firewalld … Continue reading

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