Technitium DNS: read the version from its GitHub releases

The version came from scraping technitium.com, which failed for some hosts ("Command substitution exited with status 1", 6 runs on 4 hosts in three days) and has no rate-limit fallback. The GitHub release carries the same version and goes through the engine's release lookup.

CHANGELOG.md

@@ -581,10 +581,12 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
 ### 💾 Core
 
-  - feat: add var_cmode to set the container console mode [@MickLesk](https://github.com/MickLesk) ([core#180](https://github.com/community-scripts/core/pull/180))
-- fix: restore npm when an interrupted update left it behind [@MickLesk](https://github.com/MickLesk) ([core#189](https://github.com/community-scripts/core/pull/189))
-- feat: find the assets of a renamed GitHub repo without the API [@MickLesk](https://github.com/MickLesk) ([core#188](https://github.com/community-scripts/core/pull/188))
+  - fix: pve-LXC: say when the container went away during its setup [@MickLesk](https://github.com/MickLesk) ([core#192](https://github.com/community-scripts/core/pull/192))
+- fix: treat Esc in a VM wizard dialog as leaving the script [@MickLesk](https://github.com/MickLesk) ([core#190](https://github.com/community-scripts/core/pull/190))
 - ref: count a container stopped during a detached install as an abort [@MickLesk](https://github.com/MickLesk) ([core#187](https://github.com/community-scripts/core/pull/187))
+- feat: find the assets of a renamed GitHub repo without the API [@MickLesk](https://github.com/MickLesk) ([core#188](https://github.com/community-scripts/core/pull/188))
+- fix: restore npm when an interrupted update left it behind [@MickLesk](https://github.com/MickLesk) ([core#189](https://github.com/community-scripts/core/pull/189))
+- feat: add var_cmode to set the container console mode [@MickLesk](https://github.com/MickLesk) ([core#180](https://github.com/community-scripts/core/pull/180))
 
 ## 2026-11-02
 

ct/technitiumdns.sh

@@ -47,7 +47,7 @@ function update_script() {
     $STD apt install -y aspnetcore-runtime-10.0
   fi
 
-  RELEASE=$(curl -fsSL https://technitium.com/dns/ | grep -oP 'Version \K[\d.]+')
+  RELEASE=$(get_latest_github_release "TechnitiumSoftware/DnsServer")
   if [[ ! -f ~/.technitium || ${RELEASE} != "$(cat ~/.technitium 2>/dev/null)" ]]; then
     fetch_and_deploy_from_url "https://download.technitium.com/dns/DnsServerPortable.tar.gz" /opt/technitium/dns
     echo "${RELEASE}" >~/.technitium

install/technitiumdns-install.sh

@@ -23,7 +23,7 @@ setup_deb822_repo \
 $STD apt install -y aspnetcore-runtime-10.0
 msg_ok "Installed Dependencies"
 
-RELEASE=$(curl -fsSL https://technitium.com/dns/ | grep -oP 'Version \K[\d.]+')
+RELEASE=$(get_latest_github_release "TechnitiumSoftware/DnsServer")
 fetch_and_deploy_from_url "https://download.technitium.com/dns/DnsServerPortable.tar.gz" /opt/technitium/dns
 echo "${RELEASE}" >~/.technitium
 

vm/opnsense-vm.sh

@@ -47,7 +47,7 @@ function check_disk_space() {
 }
 
 TEMP_DIR=$(mktemp -d)
-if ! check_disk_space "$TEMP_DIR" 4 && [ -d "/var/tmp" ] && check_disk_space "/var/tmp" 4; then
+if ! check_disk_space "$TEMP_DIR" 20 && [ -d "/var/tmp" ] && check_disk_space "/var/tmp" 20; then
   rm -rf "$TEMP_DIR"
   TEMP_DIR=$(mktemp -d /var/tmp/opnsense-vm.XXXXXX)
 fi
@@ -364,6 +364,15 @@ FREEBSD_VER="$VM_INDEX_LATEST"
 URL="$VM_INDEX_URL"
 msg_ok "Download URL: ${CL}${BL}${URL}${CL}"
 
+# Check available disk space (require at least 20GB for safety)
+if ! check_disk_space "$TEMP_DIR" 20; then
+  AVAILABLE_GB=$(df -h "$TEMP_DIR" | awk 'NR==2 {print $4}')
+  msg_error "Insufficient disk space in temporary directory ($TEMP_DIR)."
+  msg_error "Available: ${AVAILABLE_GB}, Required: ~20GB for FreeBSD image decompression."
+  msg_error "Please free up space or ensure /tmp has sufficient storage."
+  exit 214
+fi
+
 msg_info "Downloading FreeBSD Image"
 # A mirror serving an error page returns 200, so size decides whether this
 # is an image. Anything real here is far above 5 MB.
@@ -372,14 +381,11 @@ vm_fetch_image "$URL" "$CACHE_FILE" --cache --verify-xz --min-bytes $((5 * 1024
 echo -en "\e[1A\e[0K"
 msg_ok "Downloaded ${CL}${BL}$(basename "$CACHE_FILE")${CL}"
 
-# The download sits in the image cache; only the unpacked image (2.5 GB for
-# FreeBSD 15.1, not 20) lands in TEMP_DIR, and xz knows its size up front.
-NEED_GB=$(($(xz --robot -l "$CACHE_FILE" | awk '$1 == "totals" {print $5}') / 1024 / 1024 / 1024 + 1))
-if ! check_disk_space "$TEMP_DIR" "$NEED_GB"; then
+# Check disk space again before decompression
+if ! check_disk_space "$TEMP_DIR" 15; then
   AVAILABLE_GB=$(df -h "$TEMP_DIR" | awk 'NR==2 {print $4}')
-  msg_error "Insufficient disk space for decompression in ${TEMP_DIR}."
-  msg_error "Available: ${AVAILABLE_GB}, Required: ~${NEED_GB}GB for the decompressed image."
-  msg_error "Please free up space or ensure /tmp or /var/tmp has sufficient storage."
+  msg_error "Insufficient disk space for decompression."
+  msg_error "Available: ${AVAILABLE_GB}, Required: ~15GB for decompressed image."
   exit 214
 fi
 
@@ -411,7 +417,7 @@ while :; do
     alloc_delay=$((alloc_delay * 2))
     continue
   fi
-  msg_error "Could not allocate the EFI disk on ${STORAGE}: ${alloc_err}"
+  echo -e "$alloc_err" >&2
   exit 220
 done
 vm_import_disk "$VMID" "$FILE" "$STORAGE"