| 2019-12-31: |
Things I've stopped using in GNU Emacs for working on Go
|
| 2019-12-30: |
A retrospective on our OmniOS ZFS-based NFS fileservers
The history and background of us using Prometheus
|
| 2019-12-29: |
Prometheus and Grafana after a year (more or less)
|
| 2019-12-28: |
Our setup of Prometheus and Grafana (as of the end of 2019)
|
| 2019-12-26: |
The Unix C library API can only be reliably used from C
|
| 2019-12-25: |
Some reasons for Go to not make system calls through the standard C library
Why udev may be trying to rename your VLAN interfaces to bad names
|
| 2019-12-23: |
The BSD and Linux approaches to development put coherence in different places
|
| 2019-12-22: |
OpenBSD has to be a BSD Unix and you couldn't duplicate it with Linux
Filenames and paths should be a unique type and not a form of strings
|
| 2019-12-20: |
My new Linux office workstation disk partitioning for the end of 2019
Splitting a mirrored ZFS pool in ZFS on Linux
|
| 2019-12-18: |
Linux kernel Security Modules (LSMs) need their own errno value
PCIe slot bandwidth can change dynamically (and very rapidly)
|
| 2019-12-17: |
Browsers and the relative size of their default monospace fonts
|
| 2019-12-16: |
Some pragmatics of blackbox and whitebox malware filtering
|
| 2019-12-15: |
Peering into the depths of (presumed) website vulnerability probing
|
| 2019-12-14: |
It's unfortunately time to move away from using '/usr/bin/python'
|
| 2019-12-13: |
Working out which of your NVMe drives is in what slot under Linux
|
| 2019-12-12: |
Linux makes your PCIe topology visible in sysfs (/sys)
|
| 2019-12-11: |
Fedora is got a good choice if long term stability and usability is a high priority
|
| 2019-12-10: |
It's a good idea to label all of the drives in your desktop
|
| 2019-12-09: |
Firefox's peculiar handling of font choice preferences
|
| 2019-12-08: |
The Go runtime scheduler's clever way of dealing with system calls
|
| 2019-12-07: |
Some important things about how PCIe works out involve BIOS magic
|
| 2019-12-06: |
PCIe bus addresses, lspci, and working out your PCIe bus topology
|
| 2019-12-05: |
Looking into your system's PCIe slot topology and PCIe lane count under Linux
|
| 2019-12-04: |
Desktop motherboards can have fewer useful PCIe slots than they seem to
|
| 2019-12-02: |
You can have Grafana tables with multiple values for a single metric (with Prometheus)
Calculating usage over time in Prometheus (and Grafana)
|
| 2019-11-30: |
Operating spam and malware filtering is ultimately a social problem
Counting the number of distinct labels in a Prometheus metric
|
| 2019-11-29: |
The problem of multiple NVMe drives in a PC desktop today
|
| 2019-11-27: |
Selecting metrics to gather mostly based on what we can use
Capturing command output in a Bourne shell variable as a brute force option
|
| 2019-11-25: |
In Prometheus, don't be afraid of high cardinality metrics if they're valuable enough
|
| 2019-11-24: |
I use unit tests partly to verify that something works in the first place
Timing durations better in Python (most of the time)
|
| 2019-11-23: |
Thinking about timeouts and exceptions in Python
|
| 2019-11-22: |
Our problem of checking if our L2TP VPN servers are actually working
|
| 2019-11-20: |
In the old days, we didn't use multiple Unixes by choice (mostly)
The fading out of multi-'architecture' Unix environments
|
| 2019-11-18: |
LiveJournal and the path to NoSQL
|
| 2019-11-17: |
It's good to make sure you have notifications of things
The operational differences between notifications and logs
|
| 2019-11-15: |
How we structure our Django web application's configuration settings
|
| 2019-11-14: |
TCP/IP and a consequence of reliable delivery guarantees
|
| 2019-11-13: |
How to make a rather obnoxiously bad web spider the easy way
My mistake in forgetting how Apache .htaccess files are checked
|
| 2019-11-11: |
An apparent hazard of removing Linux software RAID mirror devices
|
| 2019-11-10: |
Putting a footer on automated email that says what generated it
The problems with piping curl to a shell are system management ones
|
| 2019-11-08: |
I have to assume that people here can be successfully phished
|
| 2019-11-07: |
Some notes on getting email when your systemd timer services fail
Realizing that Go constants are always materialized into values
|
| 2019-11-06: |
Systemd needs official documentation on best practices
|
| 2019-11-04: |
Systemd timer units have the unfortunate practical effect of hiding errors
Many of our 'worklog' messages currently assume a lot of context
|
| 2019-11-02: |
Using personal ruleset recipes in uMatrix in Firefox
|
| 2019-11-01: |
The appeal of text templating systems for generating HTML
|
| 2019-10-31: |
Some thoughts on the pragmatics of classifying phish spam as malware
|
| 2019-10-30: |
Chrony has been working well for us (on Linux, where we use it)
|
| 2019-10-29: |
Netplan's interface naming and issues with it
|
| 2019-10-28: |
One of XHTML's practical problems was its implications for web page generation
|
| 2019-10-27: |
An interesting little glitch in how Firefox sometimes handles updates to addons
My common patterns in shell script verbosity (for sysadmin programs)
|
| 2019-10-26: |
An incorrect superstition about running commands in the Bourne shell
|
| 2019-10-24: |
Third party ClamAV signatures seem to include a lot of phish and other spam
|
| 2019-10-23: |
The DBus daemon and out of memory conditions (and systemd)
|
| 2019-10-22: |
Groups of processes are a frequent and fundamental thing in Unix
|
| 2019-10-21: |
Filesystem size limits and the complication of when errors are detected
|
| 2019-10-20: |
A small irritation with Go's crypto/tls package
|
| 2019-10-19: |
Ubuntu LTS is (probably) still the best Linux for us and many people
|
| 2019-10-18: |
My little irritation with Firefox's current handling of 'Do-Not-Track'
Remembering that Django template code is not quite your Django Python code
|
| 2019-10-16: |
Some magical weirdness in Django's HTML form classes
|
| 2019-10-15: |
The Ubuntu package roulette
|
| 2019-10-14: |
Googlebot is both quite fast and very determined to crawl your pages
|
| 2019-10-13: |
If you don't test it in your automated testers, it's broken
Magic is fine if it's all magic: why I've switched to use-package in GNU Emacs
|
| 2019-10-11: |
A YAML syntax surprise and trick in Prometheus Alertmanager configuration
|
| 2019-10-10: |
Some additional information on ZFS performance as you approach quota limits
|
| 2019-10-09: |
Limiting the size of things in a filesystem is harder than it looks
|
| 2019-10-08: |
How we implement reboot notifications when our machines reboot in Prometheus
|
| 2019-10-07: |
Why we generate alert notifications about our machines having rebooted
|
| 2019-10-06: |
Automating our 'bookable' compute servers with SLURM has created generic 'cattle' machines
|
| 2019-10-05: |
The wikitext problem with new HTML elements such as <details>
|
| 2019-10-04: |
Vim, its defaults, and the problem this presents sysadmins
|
| 2019-10-03: |
Making changes to multiple files at once in Vim
|
| 2019-10-02: |
It's useful to record changes that you tried and failed to do
|
| 2019-10-01: |
My interest in and disappointment about HTML5's new <details> element
|
| 2019-09-30: |
Using alerts as tests that guard against future errors
Link: The asymmetry of Internet identity
ZFS performance really does degrade as you approach quota limits
|
| 2019-09-29: |
Understanding when to use and not use the -F option for flock(1)
|
| 2019-09-27: |
Some field notes on imposing memory resource limits on users on Ubuntu 18.04
A file permissions and general deployment annoyance with Certbot
|
| 2019-09-25: |
It's always convenient when malware is clear about its nature (7z edition)
Our workaround for Ubuntu 16.04 and 18.04 failing to reliably reboot some of our servers
|
| 2019-09-24: |
How we implement per-user CPU and memory resource limits on Ubuntu
|
| 2019-09-22: |
The increasing mess of libreadline versions in Linux distributions
|
| 2019-09-21: |
Why chroot is a security feature for (anonymous) FTP
|
| 2019-09-20: |
Modernizing (a bit) some of our HTML form <input> elements
TLS server certificate verification has two parts (and some consequences)
|
| 2019-09-18: |
Firefox, DNS over HTTPS, and us
Converting a Go pointer to an integer doesn't quite do what it looks like
|
| 2019-09-17: |
Finding metrics that are missing labels in Prometheus (for alert metrics)
|
| 2019-09-16: |
The problem of 'triangular' Network Address Translation
|
| 2019-09-14: |
Some notes on the structure of Go binaries (primarily for ELF)
|
| 2019-09-13: |
Bidirectional NAT and split horizon DNS in our networking setup
|
| 2019-09-12: |
The mystery of why my Fedora 30 office workstation was booting fine
|
| 2019-09-11: |
Making your own changes to things that use Go modules
|
| 2019-09-10: |
Catching Control-C and a gotcha with shell scripts
|
| 2019-09-09: |
A safety note about using (or having) go.mod inside $GOPATH in Go 1.13
|
| 2019-09-08: |
Jumping backward and forward in GNU Emacs
|
| 2019-09-07: |
CentOS 7 and Python 3
|
| 2019-09-06: |
Programs that let you jump around should copy web browser navigation
Go modules and the problem of noticing updates to dependencies
|
| 2019-09-04: |
If you use the rarfile module, make sure you're using version 3.0 (or later)
Using Wireshark's Statistics menu to get per-host traffic volume
|
| 2019-09-02: |
Another way to do easy configuration for lots of Prometheus Blackbox checks
|
| 2019-09-01: |
Some limitations of wifi MAC address randomization
|
| 2019-08-31: |
The sorts of email attachments that we get these days have become boring
|
| 2019-08-30: |
ZFS is not a universal filesystem that is always good for all workloads
How I'm dealing with my Python indentation problem in GNU Emacs
|
| 2019-08-28: |
A wifi MAC address randomization surprise in a new Android gadget
Allowing some Alias directives to override global Redirects in Apache
|
| 2019-08-26: |
A lesson of (alert) scale we learned from a power failure
|
| 2019-08-25: |
Text UIs and the problem of discoverability
|
| 2019-08-24: |
Apache, Let's Encrypt, and site-wide reverse proxies and HTTP redirections
|
| 2019-08-23: |
What happens in ZFS when you have 4K sector disks in an ashift=9 vdev
Link: GNOME Terminal Cursor Blinking Saga
|
| 2019-08-22: |
Pruning deleted remote Git branches (manually or automatically)
|
| 2019-08-21: |
Making sense of OpenBSD 'pfctl -ss' output for firewall state tables
|
| 2019-08-20: |
Saying goodbye to Flash (in Firefox, and in my web experience)
|
| 2019-08-19: |
Go 2 Generics: contracts are now boring (and that's good)
|
| 2019-08-18: |
Early notes on using LSP-based editing in GNU Emacs for Python
|
| 2019-08-17: |
A situation where Python has undefined values
|
| 2019-08-16: |
A gotcha with Fedora 30's switch of Grub to BootLoaderSpec based configuration
Systemd and waiting until network interfaces or addresses are configured
|
| 2019-08-15: |
Getting LSP-based editing working for Go in GNU Emacs
|
| 2019-08-13: |
Changes to Go and the appearance of finality
|
| 2019-08-12: |
Linux can run out of memory without triggering the Out-Of-Memory killer
|
| 2019-08-11: |
Roughly when the Linux Out-Of-Memory killer triggers (as of mid-2019)
|
| 2019-08-10: |
One core problem with DNSSEC
|
| 2019-08-09: |
Turning off DNSSEC in my Unbound instances
Non-uniform caches are harder to make work well
|
| 2019-08-07: |
What has to happen with Unix virtual memory when you have no swap space
Rewriting my iptables rules using ipsets
|
| 2019-08-05: |
dup(2) and shared file descriptors
|
| 2019-08-04: |
Some notes on understanding how to use flock(1)
|
| 2019-08-03: |
Sharing file descriptors with child processes is a clever Unix decision
Link: ASCII table and history (Or, why does Ctrl+i insert a Tab in my terminal?)
|
| 2019-08-02: |
If you can, you should use flock(1) for shell script locking
Getting NetworkManager to probably verify TLS certificates for 802.1x networks
|
| 2019-08-01: |
How not to set up your DNS (part 24)
|
| 2019-07-31: |
How mountd and exportfs handle NFS export permissions on Linux
Link: A program to read AMD Ryzen RAPL information on Linux
|
| 2019-07-30: |
I think it's time to explicitly set Go's $GO111MODULE environment variable
|
| 2019-07-29: |
The practical difference between CPU TDP and observed power draw illustrated
|
| 2019-07-28: |
A note on using the Go Prometheus client package to exposed labeled metrics
What I want out of my window manager
|
| 2019-07-26: |
Some things on the GUID checksum in ZFS pool uberblocks
How 'zpool import' generates its view of a pool's configuration
|
| 2019-07-24: |
I think I like systemd's DynamicUser feature (under the right circumstances)
ZFS pool imports happen in two stages of pool configuration processing
|
| 2019-07-22: |
Why file and directory operations are synchronous in NFS
|
| 2019-07-21: |
Why we're going to be using Certbot as our new Let's Encrypt client
Wireless networks have names and thus identify themselves
|
| 2019-07-19: |
Some brief views on iOS clients for Mastodon (as of mid 2019)
|
| 2019-07-18: |
Switching Let's Encrypt clients is currently quite disruptive
|
| 2019-07-17: |
Django 1.11 has a bug that causes intermittent CSRF validation failures
|
| 2019-07-16: |
Go's proposed try() will be used and that will change how code is written
|
| 2019-07-15: |
ZFS on Linux still has annoying issues with ARC size
|
| 2019-07-14: |
We're going to be separating our redundant resolving DNS servers
|
| 2019-07-13: |
Our switches can wind up in weird states after a power failure
|
| 2019-07-12: |
Browers can't feasibly stop web pages from talking to private (local) IP addresses
Reflections on almost entirely stopping using my (work) Yubikey
|
| 2019-07-10: |
I brought our Django app up using Python 3 and it mostly just worked
|
| 2019-07-09: |
Systemd services that always restart should probably set a restart delay too
|
| 2019-07-08: |
SMART drive self-tests seem potentially useful, but not too much
|
| 2019-07-07: |
Straightforward web applications are now very likely to be stable in browsers
|
| 2019-07-06: |
Clearing disk errors (or SMART complaints) for Linux software RAID arrays
|
| 2019-07-05: |
My plan for two-stage usage of Certbot when installing web server hosts
|
| 2019-07-04: |
Django's goals are probably not our goals for our web application
|
| 2019-07-03: |
Converting a variable to a single-element slice in Go via unsafe
Finding out what 32-bit x86 Linux programs your users are running
|
| 2019-07-01: |
The power of option types is in what they do to the rest of the language
|
| 2019-06-30: |
Understanding why 'root window' X under Wayland may matter
|
| 2019-06-29: |
Being realistic about what we're going to do with our Django app
|
| 2019-06-28: |
Using Prometheus's statsd exporter to let scripts make metrics updates
|
| 2019-06-27: |
Our last OmniOS fileserver is now out of production (and service)
|
| 2019-06-26: |
The death watch for the X Window System (aka X11) has probably started
A hazard of our old version of OmniOS: sometimes powering off doesn't
|
| 2019-06-24: |
The convenience (for me) of people writing commands in Python
|
| 2019-06-23: |
What it takes to run a 32-bit x86 program on a 64-bit x86 Linux system
|
| 2019-06-22: |
Google Groups entirely ignores SMTP time rejections
We get a certain amount of SMTP MAIL FROM's in UTF-8 with odd characters
|
| 2019-06-21: |
One of the things a metrics system does is handle state for you
|
| 2019-06-19: |
How Bash decides it's being invoked through sshd and sources your .bashrc
A Let's Encrypt client feature I always want for easy standard deployment
|
| 2019-06-17: |
Sometimes, the problem is in a system's BIOS
My Mastodon remark about tiling window managers
|
| 2019-06-16: |
Firefox and my views on the tradeoffs of using DNS over HTTPS
|
| 2019-06-15: |
Some notes on Intel's CPUID and how to get it for your CPUs
|
| 2019-06-14: |
Intel's approach to naming Xeon CPUs is pretty annoying
Intel's MDS issues have now made some old servers almost completely useless to us
|
| 2019-06-12: |
My weird problem with the Fedora 29 version of Firefox 67
An interesting Fedora 29 DNF update loop with the createrepo package
|
| 2019-06-10: |
Keeping your past checklists doesn't help unless you can find them again
|
| 2019-06-09: |
Go recognizes and specially compiles some but not all infinite loops
|
| 2019-06-08: |
Hardware Security Modules are just boxes running opaque and probably flawed software
Our current approach for updating things like build instructions
|
| 2019-06-06: |
Feed readers and their interpretation of the Atom 'title' element
|
| 2019-06-05: |
The HTML <pre> element doesn't do very much
Go channels work best for unidirectional communication, not things with replies
|
| 2019-06-03: |
Almost all of our OmniOS machines are now out of production
|
| 2019-06-02: |
Exploring the start time of Prometheus alerts via ALERTS_FOR_STATE
I haven't customized my Vim setup and I'm not sure I should try to (yet)
|
| 2019-05-31: |
Some things on how ZFS dnode object IDs are allocated (which is not sequentially)
Some things about where icons for modern X applications come from
|
| 2019-05-30: |
Conditional expressions in any form are an attractive thing
|
| 2019-05-28: |
Distribution packaging of software needs to be informed (and useful)
An interesting report on newly used domain names and their usage in spam
|
| 2019-05-27: |
Something that Linux distributions should not do when packaging things
|
| 2019-05-26: |
Why I no longer have strong feelings about changes to Python
|
| 2019-05-25: |
Blocking JavaScript by default is not an easy path
|
| 2019-05-24: |
The problem of paying too much attention to our dashboards
|
| 2019-05-23: |
I will probably never give my shell dotfiles the major reform they could use
On programming languages belonging (or not) to their community
|
| 2019-05-22: |
Go is Google's language, not ours
|
| 2019-05-20: |
Understanding how to pull in labels from other metrics in Prometheus
|
| 2019-05-19: |
DKIM signed email as a signal (of something)
|
| 2019-05-18: |
Binding keys to actions in xterm, and my bindings as an example
|
| 2019-05-17: |
My new favorite tool for looking at TLS things is certigo
One of our costs of using OmniOS was not having 10G networking
|
| 2019-05-16: |
Go has no type for types in the language
|
| 2019-05-15: |
An infrequent odd kernel panic on our Ubuntu 18.04 fileservers
|
| 2019-05-13: |
Fixing Alpine to work over NFS on Ubuntu 18.04 (and probably other modern Linuxes)
|
| 2019-05-12: |
What we'll want in a new Let's Encrypt client
Committed address space versus active anonymous pages in Linux: a mystery
|
| 2019-05-10: |
Some thoughts on Red Hat Enterprise 8 including Python 2 and what it means
Firefox versus Chrome (my 2019 view)
|
| 2019-05-08: |
Some general things and views on DNS over HTTPS
A Linux machine with a strict overcommit limit can still trigger the OOM killer
|
| 2019-05-07: |
Some weird and dubious syndication feed fetching from SBL-listed IPs
|
| 2019-05-05: |
TLS certificate rollover outside of the web is complex and tangled
What usually identifies an intermediate or root TLS certificate
|
| 2019-05-03: |
In Go, unsafe type conversions are still garbage collection safe
Some implications of using offset instead of delta() in Prometheus
|
| 2019-05-01: |
One of my problems with YAML is its sheer complexity
|
| 2019-04-30: |
My problem with YAML's use of whitespace
|
| 2019-04-29: |
Notifications and interruptions, and my view on them
|
| 2019-04-28: |
A gotcha with stale metrics and *_over_time() in Prometheus
|
| 2019-04-27: |
Some useful features of (GNU) date for things like time conversion
|
| 2019-04-26: |
Brief notes on making Prometheus instant queries with curl
Various aspects of Python made debugging my tarfile problem unusual
|
| 2019-04-24: |
How we're making updated versions of a file rapidly visible on our Linux NFS clients
The appeal of using plain HTML pages
|
| 2019-04-22: |
Go 2 Generics: The usefulness of requiring minimal contracts
You might as well get an x86 CPU now, despite Meltdown and its friends
|
| 2019-04-21: |
My view on upgrading Prometheus (and Grafana) on an ongoing basis
|
| 2019-04-19: |
V7 Unix programs are often not written the way you would expect
Links: A Practitioner's Guide to System Dashboard Design (with a bonus)
|
| 2019-04-18: |
One reason ed(1) was a good editor back in the days of V7 Unix
A pattern for dealing with missing metrics in Prometheus in simple cases
|
| 2019-04-17: |
Private browsing mode versus a browser set to keep nothing on exit
|
| 2019-04-15: |
How Linux starts non-system software RAID arrays during boot under systemd
|
| 2019-04-14: |
A VPN for me but not you: a surprise when tethering to my phone
|
| 2019-04-13: |
Remembering that Prometheus expressions act as filters
WireGuard was pleasantly easy to get working behind a NAT (or several)
|
| 2019-04-12: |
Getting (and capturing) spam can sometimes be useful to see what's in it
|
| 2019-04-10: |
The tarfile module is too generous about what is considered a tar file
A Git tool that I'd like and how I probably use Git differently from most people
|
| 2019-04-08: |
An example of a situation where Go interfaces can't substitute for generics
|
| 2019-04-07: |
Why selecting times is still useful even for dashboards that are about right now
A ZFS resilver can be almost as good as a scrub, but not quite
|
| 2019-04-05: |
I won't be trying out ZFS's new TRIM support for a while
It's always DNS (a story of our circular dependency)
|
| 2019-04-03: |
A sign of people's fading belief in RSS syndication
NVMe and an interesting technology change
|
| 2019-04-01: |
Our plan for handling TRIM'ing our ZFS fileserver SSDs
|
| 2019-03-31: |
Our likely ZFS fileserver upgrade plans (as of March 2019)
Erasing SSDs with blkdiscard (on Linux)
|
| 2019-03-29: |
Our current approach for significantly upgrading or modifying servers
My NVMe versus SSD uncertainty (and hesitation)
|
| 2019-03-27: |
A new and exciting failure mode for Linux UEFI booting
|
| 2019-03-26: |
Drifting away from OmniOS (CE)
|
| 2019-03-25: |
The mystery of my desktop that locks up when it gets too cold
|
| 2019-03-24: |
Prometheus's delta() function can be inferior to subtraction with offset
Link: What has your microcode done for you lately?
A bit more on ZFS's per-pool performance statistics
|
| 2019-03-22: |
Sometimes the simplest version of a graph is a text table
|
| 2019-03-21: |
What sorts of good email attachments our users get (March 2019 edition)
|
| 2019-03-20: |
The types of attachments we see in malware email (March 2019 edition)
|
| 2019-03-19: |
ZFS Encryption is still under development (as of March 2019)
|
| 2019-03-18: |
Prometheus subqueries pick time points in a surprising way
|
| 2019-03-17: |
Going from a bound instance method to its class instance in Python
|
| 2019-03-16: |
Callable class instances versus closures in Python
Staying away from Google Chrome after six months or so
|
| 2019-03-14: |
The plague of 'you've logged in to our site again' notification emails
|
| 2019-03-13: |
Peculiarities about Unix's statfs() or statvfs() API
|
| 2019-03-12: |
An easy optimization for restricted multi-metric queries in Prometheus
|
| 2019-03-11: |
Testing Prometheus alert conditions through subqueries
|
| 2019-03-10: |
What the default query step is for Prometheus subqueries
Turning something into a script encourages improving it
|
| 2019-03-08: |
Exploring how and why interior pointers in Go keep entire objects alive
|
| 2019-03-07: |
Exploring the mild oddity that Unix pipes are buffered
Our problem with Netplan and routes on Ubuntu 18.04
|
| 2019-03-06: |
Using Prometheus subqueries to look for spikes in rates
|
| 2019-03-04: |
A surprisingly arcane little Unix shell pipeline example
|
| 2019-03-03: |
Understanding a change often requires understanding how the code behaves
Really understanding diffs requires knowing their context too
|
| 2019-03-01: |
What you get when you do a DNS A record lookup for a CNAME'd name
|
| 2019-02-28: |
Taking advantage of the Linux kernel NFS server's group membership cache
|
| 2019-02-27: |
How to see and flush the Linux kernel NFS server's group membership cache
Using Prometheus subqueries to do calculations over time ranges
|
| 2019-02-25: |
ntpdate has a surprising restriction on what it will sync to
Link: Vim anti-patterns
|
| 2019-02-24: |
Process states from /proc/[pid]/stat versus /proc/stat's running and blocked numbers
The modern danger of locales when you combine sort and cron
|
| 2019-02-22: |
Using default function arguments to avoid creating a class
|
| 2019-02-21: |
An advantage of tablets and two-in-one devices over small laptops
|
| 2019-02-20: |
What /proc/[pid]/stat's process state means and where it comes from
The cliffs in the way of adding tests to our Django web app
|
| 2019-02-18: |
When cloning git repos, things go faster if you start from a good base
|
| 2019-02-17: |
Why I like middle mouse button paste in xterm so much
Some notes on heatmaps and histograms in Prometheus and Grafana
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| 2019-02-15: |
Accumulating a separated list in the Bourne shell
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| 2019-02-14: |
A pleasant surprise with a Thunderbolt 3 10G-T Ethernet adapter
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| 2019-02-13: |
An unpleasant surprise with part of Apache's AllowOverride directive
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| 2019-02-12: |
Using grep with /dev/null, an old Unix trick
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| 2019-02-11: |
Thinking about the merits of 'universal' URL structures
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| 2019-02-10: |
Open protocols can evolve fast if they're willing to break other people
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| 2019-02-09: |
'Scanned' versus 'issued' numbers for ZFS scrubs (and resilvers)
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| 2019-02-08: |
Making more use of keyboard control over window position and size
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| 2019-02-07: |
A touchpad is not a mouse, or at least not a good one
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| 2019-02-06: |
Using a single git repo to compare things between two upstreams
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| 2019-02-05: |
A problem with strict memory overcommit in practice
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| 2019-02-04: |
Hand-building an updated upstream kernel module for your (Fedora) kernel
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| 2019-02-03: |
My temptation of getting a personal laptop
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| 2019-02-02: |
A little appreciation for Vim's 'g' command
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| 2019-02-01: |
A bit of Sun's history that still lingers on in Illumos
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| 2019-01-31: |
What getopt package I use for option handling in my Go programs
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| 2019-01-30: |
ZFS On Linux's kernel modules issues are not like NVidia's
How having a metrics system centralized information and got me to check it
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| 2019-01-28: |
Go 2 Generics: some features of contracts that I like
The potential risk to ZFS created by the shift in its userbase
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| 2019-01-27: |
How to handle Unicode character decoding errors depends on your goals
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| 2019-01-25: |
A piece of email malware that wanted to make sure we rejected it
The Linux kernel's pstore error log capturing system, and ACPI ERST
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| 2019-01-23: |
Consider setting your Linux servers to reboot on kernel problems
A little surprise with Prometheus scrape intervals, timeouts, and alerts
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| 2019-01-22: |
Things you can do to make your Linux servers reboot on kernel problems
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| 2019-01-21: |
Two annoyances I have with Python's imaplib module
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| 2019-01-20: |
A few notes on using SSL in Python 3 client programs
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| 2019-01-19: |
A surprise potential gotcha with sharenfs in ZFS on Linux
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| 2019-01-18: |
Linux CPU numbers are not necessarily contiguous
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| 2019-01-17: |
Why C uninitialized global variables have an initial value of zero
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| 2019-01-16: |
Perhaps you no longer want to force a server-preferred TLS cipher order on clients
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| 2019-01-14: |
Why your fresh new memory pages are zero-filled
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| 2019-01-13: |
Two views of ZFS's GPL-incompatibility and the Linux kernel
The risk that comes from ZFS on Linux not being GPL-compatible
Even thinking about spam makes me angry
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| 2019-01-12: |
I have somewhat mixed feelings about Python 3's socket module errors
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| 2019-01-11: |
A new drawback of using my custom-compiled Firefox
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| 2019-01-10: |
Why I still have a custom-compiled Firefox (early 2019 edition)
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| 2019-01-09: |
On right and wrong ways to harvest system-level performance stats
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| 2019-01-08: |
Link: The IOCCC 2018 "Best of show" program
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| 2019-01-07: |
Daemons and the pragmatics of unexpected error values from system calls
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| 2019-01-06: |
accept(2)'s problem of trying to return two different sorts of errors
Linux network-scripts being deprecated is a problem for my home PPPoE link
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| 2019-01-05: |
Some things on ZFS's per-pool performance statistics
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| 2019-01-04: |
Planning ahead in documentation worked out for us
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| 2019-01-02: |
You shouldn't allow Firefox to recommend things to you any more
How I get a copy of the Ubuntu kernel source code (as of Ubuntu 18.04)
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