Category Archives: SLES

Linux tip: how to enable remote syslog on SLES

Intro I write this knowing I still don’t know anything to speak of about syslog, but, sometimes you gotta act without knowing. I needed to send syslog to somewhere in a big hurry so I figured out the absolute minimum … Continue reading

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Pi-hole: it’s as easy as pi to get rid of your advertisements

Intro I learned about pi-hole from Bloomberg Businessweek of all places. Seems right up my alley – uses Raspberry Pi in your home to get rid of advertisements. Turns out it was too easy and I don’t have much to … Continue reading

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Compiling curl and openssl on Redhat Linux

Intro I have an ancient Redhat system which I’m not in a position to upgrade. I like to use curl to test web sites, but it’s getting to the point that my ancient version has no SSL versions in common … Continue reading

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RSA Web Agent Installation: what might go wrong

Intro As usual I ran into a few problems installing the RSA Web agent for a client. With this documentation I hope to jog my memory for my next installation or help someone else out who is experiencing the same … Continue reading

Posted in Admin, Apache, Security, SLES, Web Site Technologies | Tagged | 3 Comments

The IT Detecive Agency: emails began piling up this week, no obvious cause

Intro Today I had my choice of problems I could highlight, but I like this one the best. Our mail server delivers email to a wide variety of recipients. All was going well and it ran pretty much unattended until … Continue reading

Posted in Admin, Internet Mail, SLES | Tagged , , | 1 Comment

Strange problem with email to paladinny.com

Intro This is probably the most obscure of all postings I will ever do – it’s really just opening up my private journal to the Internet, which helps me when I need to recall how I fixed something. So the … Continue reading

Posted in Admin, DNS, Internet Mail, SLES | Tagged | 1 Comment

Ethernet Bridging on the cheap. Fail. Then Success with OLTV

Intro Some experiments just don’t work out. I became curious about a technology that has various names: ethernet bridging, wide-area VLANs, OTV, L2TP, etc. It looked like it could be done on the cheap, but that didn’t pan out for … Continue reading

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The IT Detective Agency: ntp server shows the wrong time after patching

Intro One of my ntp servers hadn’t been patched in awhile so it was time. Other systems rely on it for time synchronization. The next morning after the patching I noticed that the ntp service wasn’t even running. I started … Continue reading

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The IT Detective Agency: A couple of our SLES servers are running very slowly

Intro Sometimes truth is stranger than fiction, even in the IT realm. I actually had a mere supporting role in this case – credit must be given to my persistent and accomplished friends for finding the root cause. This Unlikely … Continue reading

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How to Get By Without unix2dos in SLES

Intro As a Unix old-timer looking at the latest releases, I only have observed one tendency – that of ever-increasing numbers of commands, always additive – until now. A command I considered useful (well, basically any command I have ever … Continue reading

Posted in Admin, Linux, SLES | Tagged , | 2 Comments