The articles below are on various topics, though the majority are focused on some aspect of systems administration.
Glacier is Amazon’s AWS cold-storage service. Its data-center analog is archival tape storage, and it is about as slow as tape. Retrieval times are measured in hours (if not days). Glacier is a disaster-recovery tool, not live storage.
Unlike most AWS offerings, Glacier cannot be usefully controlled from the web console. It must be accessed with command-line tools or custom-built programs. Here’s a quick overview of Glacier operations using the AWS command line interface.
Red Hat promises software compatibility for the life of any given RHEL release. It will not upgrade major applications mid-release. For example, if RHEL 6.0 contains PostgreSQL 8.4, RHEL 6.7 cannot move to PostgreSQL 9.4. Too many applications will break.
Yet some customers require the upgraded software. By way of an answer, Red Hat and the CentOS project have published what are called Software Collections (SCL). Packages provided in the SCL repositories typically provide newer versions of software that play a key role in the Linux world: Python, Apache, PostgreSQL, MySQL, gcc, etc.
As I’ve mentioned, I use Hugo to generate the bulk of the content on this site. Its templating system is built on that found in the Go programming language. The time and date formatting routines Hugo inherits from Go are idiosyncratic, to say the least.
A recent thread in a local tech mailing list noted the impending closure of Pacific Solutions, an established computer retailer here in Portland. I was never a frequent customer—to get there I typically had to go out of my way—but the store had a knowledgeable staff and stocked industry-standard parts. I was saddened, though not surprised, at the news.
One contributor to the mail thread noted that back in the 1990s, there were quite a few independent computer retailers in and around Portland. “Then,” he wrote, “came Fry’s and Amazon.”
It’s true that small computer retailers have largely disappeared, but I don’t think that Fry’s and Amazon are the main culprits.
Spotlight searches on my Macbook Pro running OS X 10.10.5 (Yosemite) were failing. Worse, the smart mailboxes in Apple Mail weren’t working. Without smart folders, it takes me a lot longer to navigate my inbox every morning.
The solution was to force OS X to re-index my hard drive.
In November 2014, I wondered why the National Weather Services still uses all upper-case letters in its forecasts.
That anachronism remaining from the days of teletype machines is now scheduled to come to an end next month. NWS will only scream in all caps to alert readers to very hazardous conditions.
Whether or not it’s true that additional scenes were added to Suicide Squad to provide additional humor, I’m fairly convinced that the commercial success of films like The Martian, Guardians of the Galaxy, Deadpool, and The Avengers was in large part due to their good humor and jaunty tone.
Our team at work uses a group chatroom on a daily basis, though sometimes an hour or more will pass between flurries of messages. The chats are hosted on the enterprise-level Skype for Business Server.
During those lulls, and without warning, my Mac instant-message application Adium will silently timeout. One minute I’m connected, the next I’m not—but Adium offers no indication whatsoever of the change.
Once Adium is disconnected, I get no further messages even during the next message flurry. I’d say that ignorance is bliss, but I depend on that chatroom for information. Plus, my colleagues have a reasonable expectation that I’ll respond to their questions in a timely manner.
My temporary fix is a scripted keepalive.