diff --git a/content/blog/please-monitor-disk-usage.md b/content/blog/please-monitor-disk-usage.md deleted file mode 100644 index 4ecc597..0000000 --- a/content/blog/please-monitor-disk-usage.md +++ /dev/null @@ -1,108 +0,0 @@ ---- -title: "Please monitor disk usage" -date: 2024-11-26T19:59:10-05:00 -draft: false -tags: [] -math: false -medium_enabled: false ---- - -You know one of the worst errors to deal with on Linux? - -> No space left on device - -Why? Because recovery becomes really annoying. Depending on your luck, Linux may try to cache to disk even when it's impossible causing quite a few commands to fail. - -If you're already in this situation, the best thing you can do is try to locate files to remove. You can run `du -sh *` in any given directory to see the sizes of files and subfolders. - -Common places that hold temporary files which may be removable are: - -- `/tmp` -- `~/.cache` - -An even better solution is to not get into this situation in the first place. For that, I introduce a bash script which sends a notification when the disk is getting full! - -To see the amount of available and total space for a given `$MOUNTPOINT` (for example, `/`), we run the following: - -```bash -available_space=$(df "$MOUNTPOINT" | awk 'NR==2 {print $4}') -total_space=$(df "$MOUNTPOINT" | awk 'NR==2 {print $2}') -``` - -Add a couple if statements and we have ourselves a full-blown script: - -```bash -#!/bin/sh - -set -o errexit -set -o nounset - -MAX_USAGE_PERCENT=90 - -if [ -z "$MOUNTPOINT" ]; then - echo "MOUNTPOINT variable not set or empty" - exit 1 -fi - -# Get the available and total disk space for the specified mount point -available_space=$(df "$MOUNTPOINT" | awk 'NR==2 {print $4}') -total_space=$(df "$MOUNTPOINT" | awk 'NR==2 {print $2}') - -# Check if the df command was successful -if [ -z "$available_space" ] || [ -z "$total_space" ]; then - echo "Error: Could not retrieve disk space for $MOUNTPOINT" - sendMsg "Error: Could not retrieve disk space for $MOUNTPOINT" - exit 1 -fi - -usage_percent=$(( (total_space - available_space) * 100 / total_space )) - -if [ $usage_percent -ge $MAX_USAGE_PERCENT ]; then - host_name=$(hostname) - echo "Low Disk on $host_name at mountpoint $MOUNTPOINT. Currently using ${usage_percent}% of available space." - sendMsg "Low Disk on $host_name at mountpoint $MOUNTPOINT. Currently using ${usage_percent}% of available space." -fi - -echo "Mountpoint $MOUNTPOINT is currently using ${usage_percent}% of available space." -``` - -The only part left undefined here is the `sendMsg` function. For me, I send a [webhook notification](https://brandonrozek.com/blog/webhook-notifications-on-systemd-service-failure/) to Zulip to both get notified and have a log of these messages. - -To have this check regularly automatically, we create a systemd service and timer files. - -`/etc/systemd/system/lowdiskcheck.service` - -```ini -[Unit] -Description=Check for low disk space -Requires=network-online.target -Wants= - -[Service] -Type=oneshot -# Feel free to change the mountpoint to one that you care about -Environment=MOUNTPOINT=/home -ExecStart=/usr/local/bin/lowdiskcheck.sh - -[Install] -WantedBy=multi-user.target -``` - -`/etc/systemd/system/lowdiskcheck.timer` - -```ini -[Unit] -Description=Check for low disk space daily -[Timer] -OnCalendar=daily -Persistent=true -[Install] -WantedBy=timers.target -``` - -Then enable the timer, - -```bash -sudo systemctl enable lowdiskcheck.timer -``` - diff --git a/content/blog/vale-linter-human-prose.md b/content/blog/vale-linter-human-prose.md deleted file mode 100644 index 3b9ac5f..0000000 --- a/content/blog/vale-linter-human-prose.md +++ /dev/null @@ -1,75 +0,0 @@ ---- -title: "Linting my blog posts with Vale" -date: 2024-11-27T16:29:30-05:00 -draft: false -tags: [] -math: false -medium_enabled: false ---- - -How do you write *good*? - -For some, the answer is Grammarly. This, however, falls short to me for the following reasons: - -- Needing to rely on some third party service. Seriously, what if I want to draft my blog posts without Internet? -- Not configurable. Leave me alone, sometimes I like writing **my way**. -- Where's my beautiful terminal application? - -I use [Vale](https://vale.sh/) ([GitHub](https://github.com/errata-ai/vale)) a linter for human prose. It runs locally on my computer ✔, is configurable by defining a rule set ✔, and offers not only a beautiful CLI application ✔, but even offers integrations to editors like VSCode. - -To provide useful feedback, we'll need a strong collection of rules. Like a crazy person, I went onto the [Vale package hub](https://vale.sh/hub/) and looked at the rules of many different packages and compiled the ones I liked into [my own package](https://github.com/brandon-rozek/vale) for us to use. - -All we need to do is specify the package in our Vale config. To see where this lives, you can run `vale ls-dirs`. For example, on my computer it is at `~/.config/vale/.vale.ini` - -```ini -StylesPath = /home/rozek/.local/share/vale/styles - -Vocab = brozek - -MinAlertLevel = suggestion - -Packages = https://github.com/Brandon-Rozek/vale/releases/download/0.1.0/brozek.zip - -[*] -BasedOnStyles = Vale, brozek -``` - -By default, Vale includes a spell-checker. As a technical writer, I often talk about products which Vale claims are typos. We can force Vale to not complain by creating a [Vocabulary](https://vale.sh/docs/topics/vocab/) (fancy word for dictionary). - -`/config/vocabularies/brozek/accept.txt` - -``` -BTRFS -[Bb]oolean -systemd -Zulip -``` - -These vocabularies are case-sensitive, which while may seen like a weird choice, I find useful in keeping capitalization consistent. To specify that something is not case sensitive you'll need to put square brackets around the upper and lower-case letter. For example, case-insensitive b is `[Bb]`. - -With all this configured, we can then sync the configuration rules to our machine. - -```bash -vale sync -``` - -Then, lint a blog post! - -```bash -vale vale-linter-human-prose.md -``` - -``` - vale-linter-human-prose.md - 14:48 warning Remove 'Seriously' if it's not brozek.Adverbs - important to the meaning of - the statement. - 20:70 suggestion Try to keep sentences short (< brozek.SentenceLength - 30 words). - 48:91 warning Remove 'really' if it's not brozek.Adverbs - important to the meaning of - the statement. -``` - -From there you can choose which suggestions to keep and which to ignore ;) - diff --git a/static/files/images/blog/focalsets.svg b/static/files/images/blog/focalsets.svg deleted file mode 100644 index 94bb5af..0000000 --- a/static/files/images/blog/focalsets.svg +++ /dev/null @@ -1,4 +0,0 @@ - - - -
m(c) = .5
m({w, c}) = 0.25
m({w, c, g}) = 0.25
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