Category Archives: Computers

RHCE Objectives: Network services Network services are an important subset of the exam objectives. RHCE candidates should be capable of meeting the following objectives for each of the network services listed below: Install the packages needed to provide the service … Continue reading →

RHCE Objectives: Network services Network services are an important subset of the exam objectives. RHCE candidates should be capable of meeting the following objectives for each of the network services listed below: Install the packages needed to provide the service … Continue reading →

RHCE Objectives: Use shell scripting to automate system maintenance tasks This is far too simple and to broad a task to be able to address in a posting. In the chapter study guide, it uses “make a backup of files … Continue reading →

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 →

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 →

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

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 →

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 →

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 →

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 →