From 04b184dbaeaeb1805bd54b985719c767618e3fc9 Mon Sep 17 00:00:00 2001
From: colin <colin@git@nixc.us>
Date: Sun, 14 Jul 2024 14:19:05 +0000
Subject: [PATCH] Add disk-check.sh

---
 disk-check.sh | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 disk-check.sh

diff --git a/disk-check.sh b/disk-check.sh
new file mode 100644
index 0000000..356c70e
--- /dev/null
+++ b/disk-check.sh
@@ -0,0 +1,68 @@
+#!/bin/bash
+
+# Function to estimate the size of the apt cache
+estimate_apt_cache_size() {
+    echo "Estimating the size of the apt cache:"
+    sudo du -sh /var/cache/apt
+    echo
+}
+
+# Function to estimate the size of old installed packages
+estimate_old_packages_size() {
+    echo "Estimating the size of old installed packages:"
+    sudo du -sh /var/lib/apt/lists /var/lib/apt/lists/partial
+    echo
+}
+
+# Function to estimate the size of journal logs
+estimate_journal_size() {
+    echo "Estimating the size of journal logs:"
+    sudo journalctl --disk-usage
+    echo
+}
+
+# Function to estimate the size of temporary files
+estimate_tmp_size() {
+    echo "Estimating the size of temporary files:"
+    sudo du -sh /tmp /var/tmp
+    echo
+}
+
+# Function to estimate the size of unused Docker volumes
+estimate_docker_volumes_size() {
+    echo "Estimating the size of unused Docker volumes:"
+    docker volume ls -qf dangling=true | xargs -I {} docker inspect {} -f '{{ .Name }}: {{ .Size }}' | awk '{ sum += $3 } END { print sum/1024/1024 " MB" }'
+    echo
+}
+
+# Function to list directories consuming more than a specified size
+list_large_directories() {
+    local directory=$1
+    local size_limit=$2
+    echo "Directories in $directory consuming more than $size_limit:"
+    sudo du -ah $directory 2>/dev/null | awk -v limit=$size_limit '{
+        size=$1; unit=substr(size, length(size));
+        size_val=substr(size, 1, length(size)-1);
+        if ((unit=="G" && size_val+0 > limit) || (unit=="T" && size_val*1024 > limit)) {
+            print
+        }
+    }'
+    echo
+}
+
+# Estimate storage savings
+echo "Estimating potential storage savings..."
+estimate_apt_cache_size
+estimate_old_packages_size
+estimate_journal_size
+estimate_tmp_size
+estimate_docker_volumes_size
+
+# List large directories
+echo "Listing directories consuming more than 5GB and 10GB:"
+list_large_directories / 5
+list_large_directories /home 5
+list_large_directories / 10
+list_large_directories /home 10
+
+echo "Storage savings estimation and large directory listing completed."