Tag Archives: LFCE

So You Want To Be A SysAdmin

Hopefully people looking for this information will find it here; one of the most stifling things about the IT profession is, to me, the total lack of transparency on behalf of IT professionals regarding their development and their skills.  Unfortunately, … Continue reading

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LFCE Preparation Guide: Network Filesystems and File Services – Create, mount, and unmount standard Linux filesystems

Introduction A serious candidate for the LFCE exam is likely to be comfortable with this competency.  Managing file systems is central to the work of system administration, and it should be well-worn ground.  Of course, like any frequently walked path, … Continue reading

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LFCE Preparation Guide: Network Filesystems and File Services – Configuring systems to mount standard, encrypted, and network filesystems on demand

Introduction Obviously, the handling of file systems is integral to the job of any system administrator or engineer.  Without file systems, operating systems are not of much use, after all.  The key to distinguishing this competency from the subsequent “Create, … Continue reading

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LFCE Preparation Guide: Network Administration – Troubleshoot Network Issues

Introduction Well, if you’ve gone through all the previous competencies in order to get here, you’re probably feeling pretty good about this one!  I would think that most system engineers ready for this exam are comfortable with this area.  I’m … Continue reading

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Striped Logical Volume Design and Construction: Block Stacking for Fun and Profit

For those of you well versed in UNIX-like systems, you know the logical volume manager is a big deal.  Coming from a Windows world, it is something of a very deep and powerful virtual disk service.  It’s kind of a … Continue reading

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LFCE Preparation Guide: Network Administration – Routing IP Traffic Statically and Dynamically

Introduction This is another very robust, non-trivial competency listed for the LFCE examination.  I’m glad it’s included, actually, because networking is a very poorly-understood field among many IT professionals serving as system administrators or, worse, system engineers and beyond.  I … Continue reading

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LFCE Preparation Guide: Network Administration – Producing and delivering reports on system use, outages, and user requests

Introduction Again, the scope of this competency has been difficult for me to determine.  The only other seemingly-reputable LFCE guide on the Internet (TecMint) hasn’t yet published its post on this subject, and as with the previous post (Monitoring Network … Continue reading

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LFCE Preparation Guide: Network Administration – Monitoring Network Performance

Introduction The scope of this competency has been difficult for me to determine.  The only other seemingly-reputable LFCE guide on the Internet (TecMint) hasn’t yet published its post on this subject, and I’m very interested to see how they handle … Continue reading

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LFCE Preparation Guide: Network Administration – Implementing Packet Filtering

Introduction By “packet filtering,” the Linux Foundation here appears to be referring to iptables in the CentOS environment.  While iptables is still usable on RHEL/CentOS 7, it is by default replaced by firewalld (part of the systemd software suite), which … Continue reading

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LFCE Preparation Guide: Network Administration – Configure network services to start automatically at boot

Introduction This competency is so rudimentary and narrow in scope that it seems almost out of place on the domains and competencies chart when compared with others such as installing and configuring an Apache web server, but it’s certainly fundamental … Continue reading

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