Monthly Archives: May 2015

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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RHCSA Objectives

Here is the list of things you should be able to do to pass the RHCSA Exam (CertDepot Site): Understand and use essential tools Access a shell prompt and issue commands with correct syntax Use input-output redirection (>, >>, |, … Continue reading

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Red Hat Certifications, Part 5

In the boot process. While I certainly know how things work, the RH7 boot process is a tad different with grub2 and systemd vs grub and init. Startup process on 6 and earlier is pretty simple. After the BIOS or … Continue reading

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Red Hat Certifications, Part 4

Continuing on Chapter 4 finds firewall configuration and selinux. Firewalls are something I’ve dealt with before over the years. In general they’re pretty simple but you do need to understand what you’re doing in order to properly set up a … Continue reading

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Red Hat 7 Stuff Again

I decided to check out the new ‘*ctl’ features of RH7 and found a few new things in addition to systemctl and journalctl. bootctl – Manages the boot loader and firmware. ‘status’ tells the status of the boot loader. On … Continue reading

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Red Hat Certification, Take 3

This is more of a permissions and security chapter. First off are file permissions. Executable, sticky bits, etc. Interesting that you cannot set umask to create executable files by default. The parts I’ll need to remember are the various special … Continue reading

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Red Hat Certification, Take 2

Second day of poking about at certification. I’m studying the Red Hat 6 exam but have a dual environment set up. Three CentOS 6.6 virtual servers and three CentOS 7.0 servers. It lets me look at what the book is … Continue reading

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Red Hat Satellite

One of the things I’m tasked with at work is to be the point man for patch management on the Red Hat/CentOS infrastructure. A daunting task in part because patching, unless under critical circumstances, is almost impossible. It takes months … Continue reading

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Red Hat Study, Take 1

Going through the study book which is 17 chapters of which the first chapter is setting up your system and installing Red Hat. Disk layout, configuration, setting up an http and ftp server with installation media. I got the http … Continue reading

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Red Hat/CentOS 7 Bits

As I prepare for the RHCSA/RHCE certifications, I have to do some conversion between the RH6 book I’m using examining the new ways of doing things in RH7 (when I say “RH6” or “RH7” I’m including CentOS and ScientificOS in … Continue reading

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