| 2024-12-10: |
My wish for VFS or filesystem level cgroup (v2) IO limits
|
| 2024-12-09: |
Maybe we should explicitly schedule rebooting our fleet every so often
|
| 2024-12-08: |
Unix's buffered IO in assembly and in C
|
| 2024-12-07: |
PCIe cards we use and have used in our servers
|
| 2024-12-06: |
Common motherboards are supporting more and more M.2 NVMe drive slots
|
| 2024-12-05: |
Buffered IO in Unix before V7 introduced stdio
|
| 2024-12-04: |
Sorting out 'PCIe bifurcation' and how it interacts with NVMe drives
|
| 2024-12-03: |
The modern world of server serial ports, BMCs, and IPMI Serial over LAN
|
| 2024-12-02: |
Good union types in Go would probably need types without a zero value
|
| 2024-12-01: |
Union types ('enum types') would be complicated in Go
|
| 2024-11-30: |
Using systemd-run to limit something's memory usage in cgroups v2
|
| 2024-11-29: |
Python type hints are probably "worth it" in the large for me
|
| 2024-11-28: |
My life has been improved by my quiet Prometheus alert status monitor
|
| 2024-11-27: |
Some notes on my experiences with Python type hints and mypy
|
| 2024-11-26: |
Python type hints may not be for me in practice
|
| 2024-11-25: |
What NFS server threads do in the Linux kernel
|
| 2024-11-24: |
The question of how many NFS server threads you should use (on Linux)
|
| 2024-11-23: |
The general issue of terminal programs and the Alt key
|
| 2024-11-22: |
My new solution for quiet monitoring of our Prometheus alerts
|
| 2024-11-21: |
Our Prometheus alerting problem if our central mail server isn't working
|
| 2024-11-20: |
Thinking about how to tame the interaction of conditional GET and caching
|
| 2024-11-19: |
Two API styles of doing special things involving text in UIs
|
| 2024-11-18: |
Ubuntu LTS (server) releases have become fairly similar to each other
|
| 2024-11-17: |
(Some) spammers will keep trying old, no longer in DNS IPv6 addresses
|
| 2024-11-16: |
The missing text focused programming environment
|
| 2024-11-15: |
IPv6 networks do apparently get probed (and implications for address assignment)
|
| 2024-11-14: |
Your options for displaying status over time in Grafana 11
|
| 2024-11-13: |
Implementing some Git aliases indirectly, in shell scripts
|
| 2024-11-12: |
Finding a good use for keep_firing_for in our Prometheus alerts
|
| 2024-11-11: |
Prometheus makes it annoyingly difficult to add more information to alerts
|
| 2024-11-10: |
Syndication feed fetchers and their behavior on HTTP 429 status responses
|
| 2024-11-09: |
A rough guess at how much IPv6 address space we might need
|
| 2024-11-08: |
Maybe skipping 'Dependabot' commits when using 'git log'
|
| 2024-11-07: |
Complications in supporting 'append to a file' in a NFS server
|
| 2024-11-06: |
Losing NFS locks and the SunOS SIGLOST signal
|
| 2024-11-05: |
The general problem of losing network based locks
|
| 2024-11-04: |
A rough equivalent to "return to last power state" for libvirt virtual machines
|
| 2024-11-03: |
The history of Unix's ioctl and signal about window sizes
|
| 2024-11-02: |
I feel that NAT is inevitable even with IPv6
|
| 2024-11-01: |
Notes on the compatibility of crypted passwords across Unixes in late 2024
|
| 2024-10-31: |
Pam_unix and your system's supported password algorithms
|
| 2024-10-30: |
Keeping your site accessible to old browsers is non-trivial
|
| 2024-10-29: |
Doing general address matching against varying address lists in Exim
|
| 2024-10-28: |
The question of whether to still allow HTTP/1.0 requests or block them
|
| 2024-10-27: |
Linux's /dev/disk/by-id unfortunately often puts the transport in the name
|
| 2024-10-26: |
The importance of name-based virtual hosts (websites)
|
| 2024-10-25: |
Using pam_access to sometimes not use another PAM module
|
| 2024-10-24: |
Having an emergency backup DNS resolver with systemd-resolved
|
| 2024-10-23: |
Doing basic policy based routing on FreeBSD with PF rules
|
| 2024-10-22: |
Having rate-limits on failed authentication attempts is reassuring
|
| 2024-10-21: |
Quoting and not quoting command substitution in the Bourne shell
|
| 2024-10-20: |
Two visions of 'software supply chain security'
|
| 2024-10-19: |
Forced MFA is effectively an annoying, harder to deal with second password
|
| 2024-10-18: |
The Go module proxy and forcing Go to actually update module versions
|
| 2024-10-17: |
Syndication feed readers now seem to leave Last-Modified values alone
|
| 2024-10-16: |
Our various different types of Ubuntu installs
|
| 2024-10-15: |
A surprise with /etc/cron.daily, run-parts, and files with '.' in their name
|
| 2024-10-14: |
We have lots of local customizations (and how we keep track of them)
|
| 2024-10-13: |
Our local changes to standard (Ubuntu) installs are easy to forget
|
| 2024-10-12: |
Some thoughts on why 'inetd activation' didn't catch on
|
| 2024-10-11: |
Potential pragmatic handling of partial matches for HTTP conditional GET
|
| 2024-10-10: |
Linux software RAID and changing your system's hostname
|
| 2024-10-09: |
The history of inetd is more interesting than I expected
|
| 2024-10-08: |
OpenBSD kernel messages about memory conflicts on x86 machines
|
| 2024-10-07: |
Things syndication feed readers do with 'conditional GET'
|
| 2024-10-06: |
DKIM signatures from mailing list providers don't mean too much
|
| 2024-10-05: |
Daemonization in Unix programs is probably about restarting programs
|
| 2024-10-04: |
Traditionally, init on Unix was not a service manager as such
|
| 2024-10-03: |
(Unix) daemonization turns out to be quite old
|
| 2024-10-02: |
Go's new small language features from 1.22 and 1.23 are nice
|
| 2024-10-01: |
Two views of what a TLS certificate verifies
|
| 2024-09-30: |
Resetting the backoff restart delay for a systemd service
|
| 2024-09-29: |
Brief notes on making Prometheus's SNMP exporter use additional SNMP MIB(s)
|
| 2024-09-28: |
Options for adding IPv6 networking to your libvirt based virtual machines
|
| 2024-09-27: |
Brief notes on how the Prometheus SNMP exporter's configurations work
|
| 2024-09-26: |
The impact of the September 2024 CUPS CVEs depends on your size
|
| 2024-09-25: |
Using a small ZFS recordsize doesn't save you space (well, almost never)
|
| 2024-09-24: |
Go and my realization about what I'll call the 'Promises' pattern
|
| 2024-09-23: |
Mostly getting redundant UEFI boot disks on modern Ubuntu (especially 24.04)
|
| 2024-09-22: |
Old (Unix) workstations and servers tended to boot in the same ways
|
| 2024-09-21: |
TLS certificates were (almost) never particularly well verified
|
| 2024-09-20: |
Our broad reasons for and approach to mirroring disks
|
| 2024-09-19: |
OpenBSD versus FreeBSD pf.conf syntax for address translation rules
|
| 2024-09-18: |
Open source maintainers with little time and changes
|
| 2024-09-17: |
My "time to full crawl" (vague) metric
|
| 2024-09-16: |
Why my Fedora 40 systems stalled logins for ten seconds or so
|
| 2024-09-15: |
Why we're interested in FreeBSD lately (and how it relates to OpenBSD here)
|
| 2024-09-14: |
Getting maximum 10G Ethernet bandwidth still seems tricky
|
| 2024-09-13: |
Threads, asynchronous IO, and cancellation
|
| 2024-09-12: |
What admin access researchers have to their machines here
|
| 2024-09-11: |
Rate-limiting failed SMTP authentication attempts in Exim 4.95
|
| 2024-09-10: |
Ways ATX power supply control could work on server motherboards
|
| 2024-09-09: |
How ATX power supply control seems to work on desktop motherboards
|
| 2024-09-08: |
I should probably reboot BMCs any time they behave oddly
|
| 2024-09-07: |
I wish (Linux) WireGuard had a simple way to restrict peer public IPs
Operating system threads are always going to be (more) expensive
|
| 2024-09-05: |
The problems (Open)ZFS can have on new Linux kernel versions
|
| 2024-09-04: |
Using rsync to create a limited ability to write remote files
|
| 2024-09-03: |
TLS Server Name Indications can be altered by helpful code
|
| 2024-09-02: |
Apache's odd behavior for requests with a domain with a dot at the end
|
| 2024-09-01: |
The status of putting a '.' at the end of domain names
|
| 2024-08-31: |
In practice, abstractions hide their underlying details
|
| 2024-08-30: |
Mercurial's extdiff extension and reporting filenames in diffs
|
| 2024-08-29: |
The web fun fact that domains can end in dots and canonicalization failures
|
| 2024-08-28: |
How not to upgrade (some) held packages on Ubuntu (and Debian)
|
| 2024-08-27: |
Some reasons why we mostly collect IPMI sensor data locally
|
| 2024-08-26: |
What's going on with 'quit' in an interactive CPython session (as of 3.12)
|
| 2024-08-25: |
How to talk to a local IPMI under FreeBSD 14
|
| 2024-08-24: |
JSON is usually the least bad option for machine-readable output formats
|
| 2024-08-23: |
My (current) view on open source moral obligations and software popularity
|
| 2024-08-22: |
I used libvirt's 'virt-install' briefly and it worked nicely
|
| 2024-08-21: |
What a POSIX shell has to do with $PWD
|
| 2024-08-20: |
Some brief notes on 'numfmt' from GNU Coreutils
|
| 2024-08-19: |
It's not simple to add function keyword arguments to Go
|
| 2024-08-18: |
A downside or two of function keyword arguments (and default values)
|
| 2024-08-17: |
Why and how I keep around spare libvirt based virtual machines
|
| 2024-08-16: |
FreeBSD's 'root on ZFS' default appeals to me for an odd reason
|
| 2024-08-15: |
Workarounds are often forever (unless you work to make them otherwise)
|
| 2024-08-14: |
Traceroute, firewalls, and the modern Internet: a horrible realization
A note to myself about using traceroute to check for port reachability
|
| 2024-08-13: |
Some thoughts on OpenSSH 9.8's PerSourcePenalties feature
|
| 2024-08-12: |
Uncertainties and issues in using IPMI temperature data
|
| 2024-08-11: |
ZFS properties sometimes change their default values over time
|
| 2024-08-10: |
Allocating disk space (and all resources) is ultimately a political decision
|
| 2024-08-09: |
The Broadcom 'bnxt' Ethernet driver and RDMA (in Ubuntu 24.04)
|
| 2024-08-08: |
How Linux kernel driver modules for hardware get loaded (I think)
|
| 2024-08-07: |
Maybe understanding Crowdstrike's argument arity problem
|
| 2024-08-06: |
Host names in syslog messages may not be quite what you expect
|
| 2024-08-05: |
Staged rollouts of things still have limitations
|
| 2024-08-04: |
The speed of updates for signatures of bad things matters (a lot)
|
| 2024-08-03: |
A surprise with the temperature distribution in our machine room
|
| 2024-08-02: |
Modern web PKI (TLS) is very different than it used to be
|
| 2024-08-01: |
OCSP Stapling always faced a bunch of hard problems
|
| 2024-07-31: |
We may want /usr/bin/python to be Python 3 sooner than I expected
|
| 2024-07-30: |
On not automatically reconnecting to IPMI Serial-over-LAN consoles
|
| 2024-07-29: |
Handling (or not) the serial console of our serial console server
|
| 2024-07-28: |
Our slowly growing Unix monoculture
|
| 2024-07-27: |
Backward compatibility, even for settings, has real costs
|
| 2024-07-26: |
The uncertain possible futures of Unix graphical desktops
|
| 2024-07-25: |
How I almost set up a recursive syslog server
|
| 2024-07-24: |
The Online Certificate Status Protocol (OCSP) is basically dead now
|
| 2024-07-23: |
Seeing and matching pf rules when using tcpdump on OpenBSD's pflog interface
|
| 2024-07-22: |
The challenges of working out how many CPUs your program can use on Linux
|
| 2024-07-21: |
Our giant login server: solving resource problems with brute force
|
| 2024-07-20: |
My home wireless network and convenience versus security
|
| 2024-07-19: |
Part of (computer) security is convincing people that it works
|
| 2024-07-18: |
The Linux Out-Of-Memory killer process list can be misleading
|
| 2024-07-17: |
SSH has become our universal (Unix) external access protocol
My self-inflicted UPS and computer conundrum
|
| 2024-07-15: |
People at universities travel widely and unpredictably
|
| 2024-07-14: |
The Firefox source code's 'StaticPrefs' system (as of Firefox 128)
|
| 2024-07-13: |
That software forges are often better than email is unfortunate
|
| 2024-07-12: |
Network switches aren't simple devices (not even basic switches)
|
| 2024-07-11: |
Brute force attackers seem to switch targets rapidly if you block them
|
| 2024-07-10: |
Fedora 40 probably doesn't work with software RAID 0.90 format superblocks
|
| 2024-07-09: |
Some (big) mail senders do use TLS SNI for SMTP even without DANE
|
| 2024-07-08: |
Using WireGuard as a router to get around reachability issues
|
| 2024-07-07: |
I think (GNU) Emacs bankruptcy is inevitable in the longer term
|
| 2024-07-06: |
"Out of band" network management is not trivial
|
| 2024-07-05: |
Gtk 4 has decided to blow up some people's world on HiDPI displays
|
| 2024-07-04: |
Structured log formats are not really "plaintext" logs
|
| 2024-07-03: |
Fedora 40 and a natural but less than ideal outcome with 'alternatives'
|
| 2024-07-02: |
Unix's fsync(), write ahead logs, and durability versus integrity
|
| 2024-07-01: |
Modifying and setting alarm times: a phone UI irritation
|
| 2024-06-30: |
The systemd journal doesn't force you to not have plain text logs
|
| 2024-06-29: |
Plaintext is not a great format for (system) logs
|
| 2024-06-28: |
I wish systemd didn't require two units for each socket service
|
| 2024-06-27: |
Is blocking outgoing traffic by default a good firewall choice now?
|
| 2024-06-26: |
The xinetd restart problem with binding ports that we run into
|
| 2024-06-25: |
Security is not really part of most people's jobs
|
| 2024-06-24: |
(GNU) Emacs wants personal customization in practice
|
| 2024-06-23: |
Some notes on ZFS's zstd compression kstats (on Linux)
|
| 2024-06-22: |
A Prometheus Blackbox gotcha: (UDP) DNS replies have a low size limit
|
| 2024-06-21: |
The IMAP LIST command as it interacts with client prefixes in Dovecot
|
| 2024-06-20: |
Where Thunderbird seems to get your default browser from on Linux
|
| 2024-06-19: |
It seems routine to see a bunch of browser User-Agents from the same IP
|
| 2024-06-18: |
Some things on how ZFS System Attributes are stored
|
| 2024-06-17: |
Go's 'range over functions' iterators and avoiding iteration errors
|
| 2024-06-16: |
Understanding a Python closure oddity
|
| 2024-06-15: |
We don't know what's happening on our networks
|
| 2024-06-14: |
Mixed content upgrades on the web in mid 2024
|
| 2024-06-13: |
Using prime numbers for our Prometheus scrape intervals
|
| 2024-06-12: |
The Linux kernel NFS server and reconnecting client NFS filehandles
|
| 2024-06-11: |
The size of our Prometheus setup as of June 2024
|
| 2024-06-10: |
The NFS server 'subtree' export problem
|
| 2024-06-09: |
OpenSSH can chose (or force) the 'shell' used for a specific SSH key
|
| 2024-06-08: |
Operating services versus operating an "adequate environment"
|
| 2024-06-07: |
Account recovery is still a hard problem in public key management
|
| 2024-06-06: |
Web applications should support being used behind a reverse proxy
|
| 2024-06-05: |
Maybe understanding uname(1)'s platform and machine fields
|
| 2024-06-04: |
Some history and limitations of uname(1) fields
|
| 2024-06-03: |
CVEs are not what I'll call security reports
|
| 2024-06-02: |
Stand-alone downloads of program assets has a security implication
|
| 2024-06-01: |
Phish tests and (not) getting people to report successful phish attacks
|
| 2024-05-31: |
Spammers do forge various noreply@<you> sender addresses
|
| 2024-05-30: |
Phish tests aren't like fire drills
|
| 2024-05-29: |
PyPy has been quietly working for me for several years now
|
| 2024-05-28: |
ZFS's transactional guarantees from a user perspective
|
| 2024-05-27: |
Some notes on Grafana Loki's new "structured metadata" (as of 3.0.x)
|
| 2024-05-26: |
Flaky alerts are telling you something
|
| 2024-05-25: |
Reasons to not expose Go's choice of default TLS ciphers
|
| 2024-05-24: |
The long-overdue problem coming for some people in Go 1.23
|
| 2024-05-23: |
There are multiple uses for metrics (and collecting metrics)
|
| 2024-05-22: |
The Prometheus host agent's 'perf' collector can be kind of expensive
|
| 2024-05-21: |
Go's old $GOPATH story for development and dependencies
|
| 2024-05-20: |
The power of using external authentication information in a web application
|
| 2024-05-19: |
My GNU Emacs MH mail folder completion in MH-E
|
| 2024-05-18: |
Realizing the hidden complexity of cloud server networking
|
| 2024-05-17: |
The trade-offs in not using WireGuard to talk to our cloud server
|
| 2024-05-16: |
Thoughts on (not) automating the setup of our first cloud server
|
| 2024-05-15: |
Turning off the X server's CapsLock modifier
|
| 2024-05-14: |
The X Window System and the curse of NumLock
|
| 2024-05-13: |
Some ideas on what Linux distributions can do about the new kernel situation
|
| 2024-05-12: |
The Linux kernel giving CVEs to all bugfixes is sort of predictable
|
| 2024-05-11: |
Where NS records show up in DNS replies depends on who you ask
|
| 2024-05-10: |
It's very difficult to tell if a Linux kernel bug is a security issue
|
| 2024-05-09: |
One of OCSP's problems is the dominance of Chrome
|
| 2024-05-08: |
All configuration files should support some form of file inclusion
|
| 2024-05-07: |
Some thoughts on when you can and can't lower OpenSSH's 'LoginGraceTime'
|
| 2024-05-06: |
What affects what server host key types OpenSSH will offer to you
|
| 2024-05-05: |
OpenSSH sshd's 'MaxStartups' setting and Internet-accessible machines
|
| 2024-05-04: |
We have our first significant batch of servers that only have UEFI booting
|
| 2024-05-03: |
UEFI, BIOS, and other confusing x86 PC (firmware) terms
|
| 2024-05-02: |
Thinking about filesystem space allocation policies and SSDs
|
| 2024-05-01: |
Having a machine room can mean having things in your machine room
|
| 2024-04-30: |
The state of Python in Ubuntu 24.04 LTS
|
| 2024-04-29: |
Our likely long term future (not) with Ubuntu (as of early 2024)
|
| 2024-04-28: |
How I (used to) handle keeping track of how I configured software
|
| 2024-04-27: |
Autoconf and configure features that people find valuable
|
| 2024-04-26: |
I wish projects would reliably use their release announcements mechanisms
|
| 2024-04-25: |
The importance of an ordinary space in a Unix shell command line
|
| 2024-04-24: |
Pruning some things out with (GNU) find options
|
| 2024-04-23: |
Libvirt's virt-viewer and (guest) screen blanking
|
| 2024-04-22: |
Making virtual machine network interfaces inactive in Linux libvirt
|
| 2024-04-21: |
Thoughts on potentially realistic temperature trip limit for hardware
|
| 2024-04-20: |
What the original 4.2 BSD csh hashed (which is not what I thought)
|
| 2024-04-19: |
Modern Linux mounts a lot of different types of virtual filesystems
|
| 2024-04-18: |
On the duration of self-signed TLS (website) certificates
|
| 2024-04-17: |
Limiting the maximum size of Amanda debug logs with a Linux tmpfs mount
|
| 2024-04-16: |
IPMI connections have privilege levels, not just IPMI users
|
| 2024-04-15: |
Having IPv6 for public servers is almost always merely nice, not essential
|
| 2024-04-14: |
(Probably) forcing Git to never prompt for authentication
|
| 2024-04-13: |
A corner case in Firefox's user interface for addon updates
|
| 2024-04-12: |
Please don't try to hot-reload changed Python files too often
|
| 2024-04-11: |
Getting the underlying disks of a Linux software RAID array
|
| 2024-04-10: |
It's far from clear how grub package updates work on Ubuntu
|
| 2024-04-09: |
Bash's sadly flawed smart (programmable) completion
|
| 2024-04-08: |
Don't require people to change 'source code' to configure your programs
|
| 2024-04-07: |
NAT'ing on the firewall versus host routes for public IPs
|
| 2024-04-06: |
GNU Autoconf is not replaceable in any practical sense
Solving the hairpin NAT problem with policy based routing and plain NAT
|
| 2024-04-05: |
Why I think you shouldn't digitally sign things casually
|
| 2024-04-03: |
GNU Emacs and the case of special space characters
|
| 2024-04-02: |
An issue with Alertmanager inhibitions and resolved alerts
What Prometheus Alertmanager's group_interval setting means
|
| 2024-04-01: |
The power of being able to query your servers for unpredictable things
|
| 2024-03-31: |
Some thoughts on switching daemons to be socket activated via systemd
|
| 2024-03-30: |
The Prometheus scrape interval mistake people keep making
|
| 2024-03-29: |
Some notes on Firefox's media autoplay settings in practice as of Firefox 124
|
| 2024-03-28: |
The effects of silences (et al) in Prometheus Alertmanager
|
| 2024-03-27: |
Some questions to ask about what silencing alerts means
|
| 2024-03-26: |
How I would automate monitoring DNS queries in basic Prometheus
|
| 2024-03-25: |
Options for diverting alerts in Prometheus
|
| 2024-03-24: |
Platform peculiarities and Python (with an example)
|
| 2024-03-23: |
The many possible results of turning an IP address into a 'hostname'
|
| 2024-03-22: |
The Linux kernel.task_delayacct sysctl and why you might care about it
|
| 2024-03-21: |
Reading the Linux cpufreq sysfs interface is (deliberately) slow
|
| 2024-03-20: |
When I reimplement one of my programs, I often wind up polishing it too
|
| 2024-03-19: |
About DRAM-less SSDs and whether that matters to us
|
| 2024-03-18: |
Sorting out PIDs, Tgids, and tasks on Linux
|
| 2024-03-17: |
Disk write buffering and its interactions with write flushes
|
| 2024-03-16: |
Some more notes on Linux's ionice and kernel IO priorities
|
| 2024-03-15: |
The problem of using basic Prometheus to monitor DNS query results
|
| 2024-03-14: |
You might want to think about if your system serial numbers are sensitive
|
| 2024-03-13: |
Restarting systemd-networkd normally clears your 'ip rules' routing policies
|
| 2024-03-12: |
What do we count as 'manual' management of TLS certificates
|
| 2024-03-11: |
Why we should care about usage data for our internal services
|
| 2024-03-10: |
Scheduling latency, IO latency, and their role in Linux responsiveness
|
| 2024-03-09: |
Some thoughts on usage data for your systems and services
|
| 2024-03-08: |
A realization about shell pipeline steps on multi-core machines
|
| 2024-03-07: |
Some notes about the Cloudflare eBPF Prometheus exporter for Linux
|
| 2024-03-06: |
Where and how Ubuntu kernels get their ZFS modules
|
| 2024-03-05: |
A peculiarity of the X Window System: Windows all the way down
|
| 2024-03-04: |
An illustration of how much X cares about memory usage
|
| 2024-03-03: |
X graphics rendering as contrasted to Wayland rendering
|
| 2024-03-02: |
Something I don't know: How server core count interacts with RAM latency
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| 2024-03-01: |
Options for your Grafana panels when your metrics change names
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| 2024-02-29: |
The speed of improvement in servers may have slowed down
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| 2024-02-28: |
Detecting absent Prometheus metrics without knowing their labels
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| 2024-02-27: |
Our probably-typical (lack of) machine inventory situation
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| 2024-02-26: |
How to make your GNU Emacs commands 'relevant' for M-X
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| 2024-02-25: |
Open source culture and the valorization of public work
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| 2024-02-24: |
The Go 'range over functions' proposal and user-written container types
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| 2024-02-23: |
Fixing my problem of a stuck 'dnf updateinfo info' on Fedora Linux
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| 2024-02-22: |
A recent abrupt change in Internet SSH brute force attacks against us
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| 2024-02-21: |
What ZIL metrics are exposed by (Open)ZFS on Linux
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| 2024-02-20: |
NetworkManager won't share network interfaces, which is a problem
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| 2024-02-19: |
The flow of activity in the ZFS Intent Log (as I understand it)
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| 2024-02-18: |
Even big websites may still be manually managing TLS certificates (or close)
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| 2024-02-17: |
We outsource our public web presence and that's fine
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| 2024-02-16: |
Options for genuine ECC RAM on the desktop in (early) 2024
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| 2024-02-15: |
(Some) X window managers deliberately use off-screen windows
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| 2024-02-14: |
Understanding a recent optimization to Go's reflect.TypeFor
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| 2024-02-13: |
What is in (Open)ZFS's per-pool "txgs" /proc file on Linux
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| 2024-02-12: |
Linux kernel boot messages and seeing if your AMD system has ECC
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| 2024-02-11: |
Go 1.22's go/types Alias type shows the challenge of API compatibility
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| 2024-02-10: |
My plan for backups of my home machine (as of early 2024)
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| 2024-02-09: |
Compatibility lingers long after it's needed (until it gets noticed)
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| 2024-02-08: |
Accidentally making windows vanish in my old-fashioned Unix X environment
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| 2024-02-07: |
What I'd like in a hypothetical new desktop machine in 2024
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| 2024-02-06: |
What the max_connect Linux NFS v4 mount parameter seems to do
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| 2024-02-05: |
We might want to regularly keep track of how important each server is
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| 2024-02-04: |
I switched to explicit imports of things in our Django application
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| 2024-02-03: |
Solving one of our Django problems in a sideways, brute force way
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| 2024-02-02: |
One of my MH-E customizations: 'narrow-to-pending' (refiles and deletes)
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| 2024-02-01: |
Our Django application is now using Python 3 and a modern Django
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| 2024-01-31: |
Using IPv6 has quietly become reliable (for me)
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| 2024-01-30: |
Putting a Python executable in venvs is probably a necessary thing
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| 2024-01-29: |
What I think goes wrong periodically with our Grafana Loki on restarts
Servers are (probably) starting to drop serial ports
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| 2024-01-27: |
Getting the Python LSP server working with venvs the brute force way
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| 2024-01-26: |
Histogram data is most useful when they also provide true totals
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| 2024-01-25: |
In Go, I'm going to avoid using 'any' as an actual type
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| 2024-01-24: |
The cooling advantage that CPU integrated graphics has
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| 2024-01-23: |
CGI programs have an attractive one step deployment model
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| 2024-01-22: |
Desktop PC motherboards and the costs of extra features
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| 2024-01-21: |
The expected size of a gap in a Prometheus range vector (sometimes)
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| 2024-01-20: |
An example of how Prometheus's delta() function will extrapolate time ranges
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| 2024-01-19: |
A Django gotcha with Python 3 and the encoding of CharFields
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| 2024-01-18: |
Notes on the Linux kernel's 'irq' pressure stall information and meaning
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| 2024-01-17: |
Some interesting metrics you can get from cgroup V2 systems
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| 2024-01-16: |
What Prometheus exporters we use (as of the end of 2023)
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| 2024-01-15: |
How we monitor that our wireless network is still there in places
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| 2024-01-14: |
Git branches as a social construct
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| 2024-01-13: |
Indexed archive formats and selective restores
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| 2024-01-12: |
What we use ZFS on Linux's ZED 'zedlets' for
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| 2024-01-11: |
An old Unix mistake you could make when signaling init (PID 1)
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| 2024-01-10: |
MFA today is both 'simple' and non-trivial work
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| 2024-01-09: |
How far back we want our metrics to go depends on what they're for
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| 2024-01-08: |
One of the things limiting the evolution of WebPKI is web servers
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| 2024-01-07: |
TLS certificate expiry times are fundamentally a hack
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| 2024-01-06: |
Some ballpark numbers for fun on filling filesystem cache with NFS traffic
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| 2024-01-05: |
Having a virtual machine host server has been quite useful
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| 2024-01-04: |
'Unmaintained' (open source) code represents a huge amount of value
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| 2024-01-03: |
Ten years isn't long enough for maximum age settings
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| 2024-01-02: |
Why Unix's lseek() has that name instead of 'seek()'
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| 2024-01-01: |
Alerting on our NTP servers having a high NTP stratum hasn't been useful
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