808fbf5c7c
<message>Update the _set_golden_from_path function to improve the handling of existing golden image files. Replace the existing unlink logic with a more robust method that safely removes files or broken symlinks using the missing_ok parameter. This change enhances the reliability of the backup upload process by ensuring that stale references are properly cleared before setting a new golden image path.
282 lines
8.7 KiB
Markdown
282 lines
8.7 KiB
Markdown
# Installed packages — candidates for removal (reTerminal kiosk)
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Device: **10.20.50.147** (backup image).
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Goal: shrink the image by removing apps and services not needed for a Chromium kiosk.
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**Keep:** Chromium, LightDM, labwc, kanshi, maliit-keyboard, plymouth, openssh, NetworkManager, WayVNC (if you use it), wf-panel-pi, autotouch, wmctrl, wlr-randr, python3-gi, GTK/labwc themes in use.
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---
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## 1. Printing (CUPS) — **safe to remove** if no printing
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| Package | Notes |
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|---------|--------|
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| `cups` | Print server |
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| `cups-browsed` | Browse for network printers |
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| `cups-client` | Command-line print client |
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| `cups-common` | Shared files |
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| `cups-core-drivers` | Core drivers |
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| `cups-daemon` | Daemon |
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| `cups-filters` | Filter stack |
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| `cups-filters-core-drivers` | |
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| `cups-ipp-utils` | IPP utilities |
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| `cups-pk-helper` | PolicyKit helper |
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| `cups-ppdc` | PPD compiler |
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| `cups-server-common` | Server common |
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| `hplip` | HP printer drivers |
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| `hplip-data` | |
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| `ipp-usb` | USB printer support |
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| `ghostscript` | PostScript (used by printing) |
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Remove in one go (will pull in dependencies):
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```bash
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sudo apt remove --purge cups cups-browsed cups-client cups-common cups-core-drivers cups-daemon cups-filters cups-filters-core-drivers cups-ipp-utils cups-pk-helper cups-ppdc cups-server-common hplip hplip-data ipp-usb ghostscript
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# Then: sudo apt autoremove --purge
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```
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---
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## 2. NFS / RPC — **safe to remove** if no NFS
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| Package | Notes |
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|---------|--------|
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| `nfs-common` (if present) | NFS client |
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| `rpcbind` | RPC port mapper (used by NFS) |
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| `nfs-blkmap` (service) | pNFS block layout |
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```bash
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sudo apt remove --purge rpcbind # and nfs-* if listed by dpkg -l
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sudo systemctl disable nfs-blkmap.service # if you don't use NFS
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```
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---
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## 3. Development / build tools — **safe to remove** for kiosk
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| Package | Notes |
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|---------|--------|
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| `build-essential` | gcc, g++, make |
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| `gcc` `gcc-14` `g++` `g++-14` | Compilers |
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| `cpp` `cpp-14` | Preprocessor |
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| `make` | Build tool |
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| `gdb` | Debugger |
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| `dpkg-dev` | Package build tools |
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| `binutils` `binutils-aarch64-linux-gnu` | Linker, etc. |
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| `patch` | Patch utility |
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| `git` `git-man` | Version control |
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| `device-tree-compiler` | DTB compiler (only if you don’t build overlays) |
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| `fakeroot` | Build env |
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| `eatmydata` | Speed up builds |
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```bash
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sudo apt remove --purge build-essential gcc gcc-14 g++ g++-14 cpp cpp-14 gdb dpkg-dev binutils binutils-aarch64-linux-gnu patch git git-man device-tree-compiler fakeroot eatmydata
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sudo apt autoremove --purge
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```
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---
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## 4. Office / document viewers — **safe to remove**
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| Package | Notes |
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|---------|--------|
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| `evince` `evince-common` | PDF/document viewer |
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| `libevdocument3-4` `libevview3-3` (often pulled by evince) | |
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| `catdoc` | Word document text extraction |
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| `libreoffice-*` (if any) | Office suite |
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```bash
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sudo apt remove --purge evince evince-common catdoc
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# If present: sudo apt remove --purge libreoffice-core libreoffice-common ...
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sudo apt autoremove --purge
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```
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---
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## 5. KDE Plasma apps (many) — **review; remove what you don’t use**
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You’re using **labwc** as the session, but a lot of KDE packages are still installed (dolphin, konsole, kate, etc.). Removing big KDE apps can free a lot of space; keep anything your kiosk or panel needs.
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**File manager / desktop:**
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- `dolphin` `dolphin-data` `dolphin-doc` `dolphin-plugins`
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- `kde-baseapps`
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- `baloo6` (file indexer)
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**Editors / text:**
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- `kate` `kate-data`
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- `kwrite`
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- `mousepad` (XFCE editor)
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**Terminal:**
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- `konsole` `konsole-kpart`
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**Browser / bookmarks:**
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- `konqueror` `konqueror-data` `konqueror-doc`
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- `keditbookmarks`
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**System / config:**
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- `kinfocenter`
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- `khelpcenter` `khelpcenter-data`
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- `ksystemstats`
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- `kfind`
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- `kmenuedit`
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- `kdialog`
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- `kde-cli-tools` `kde-cli-tools-data`
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- `kde-config-screenlocker` (if you don’t use lock screen)
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- `kde-config-sddm` (you use LightDM, not SDDM)
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- `kde-spectacle` (screenshot)
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- `kscreen` (display config; you use kanshi)
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**Connectivity / sharing:**
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- `kdeconnect` `kdeconnect-libs`
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- `kdenetwork-filesharing`
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**Wallet / accounts:**
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- `kwalletmanager`
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- `kwallet6`
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- `kaccounts-providers`
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**Backup:**
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- `kup-backup`
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**Other:**
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- `drkonqi` (KDE crash handler)
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- `kactivitymanagerd`
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- `kde-inotify-survey`
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- `kdegraphics-thumbnailers`
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- `ffmpegthumbs`
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- `frameworkintegration6`
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Example (remove a block of KDE apps; adjust to what you want to keep):
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```bash
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sudo apt remove --purge dolphin dolphin-data dolphin-doc dolphin-plugins kde-baseapps baloo6 kate kate-data kwrite konsole konsole-kpart konqueror konqueror-data konqueror-doc keditbookmarks kinfocenter khelpcenter khelpcenter-data ksystemstats kfind kmenuedit kdialog kde-spectacle kscreen kdeconnect kdeconnect-libs kdenetwork-filesharing kwalletmanager kup-backup drkonqi kactivitymanagerd kde-inotify-survey kdegraphics-thumbnailers ffmpegthumbs
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sudo apt autoremove --purge
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```
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**Keep** (likely used by labwc/panel/theme): things like `breeze`, `breeze-gtk-theme`, `kwin-wayland`/`kwin-common` (if labwc or something depends on them), `plasma-browser-integration` if you want Chromium integration.
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---
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## 6. Image / media tools — **safe to remove** if not needed
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| Package | Notes |
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|---------|--------|
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| `eom` `eom-common` | Eye of MATE image viewer |
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| `imagemagick` `imagemagick-7.q16` `imagemagick-7-common` | Image conversion |
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| `gimp` (if present) | Image editor |
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| `grim` | Wayland screenshot (keep only if you use it) |
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```bash
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sudo apt remove --purge eom eom-common imagemagick imagemagick-7.q16 imagemagick-7-common
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sudo apt autoremove --purge
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```
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---
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## 7. Archive / backup tools — **optional**
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| Package | Notes |
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|---------|--------|
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| `7zip` | 7z archives |
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| `bup` `bup-doc` | Backup tool |
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| `cryfs` | Encrypted filesystem |
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```bash
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sudo apt remove --purge 7zip bup bup-doc cryfs
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sudo apt autoremove --purge
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```
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---
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## 8. Bluetooth — **optional** (remove if no BT devices)
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| Package | Notes |
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|---------|--------|
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| `bluedevil` | KDE Bluetooth |
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| `bluez` `bluez-obexd` `bluez-firmware` | Bluetooth stack |
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Removing these will disable Bluetooth. If the kiosk never uses BT:
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```bash
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sudo apt remove --purge bluedevil bluez bluez-obexd bluez-firmware
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sudo apt autoremove --purge
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```
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---
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## 9. Spell-check / dictionaries — **optional**
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| Package | Notes |
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|---------|--------|
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| `aspell` `aspell-en` | Spell checker |
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| `hunspell-en-us` `hunspell-en-gb` `hunspell-de-de` `hunspell-fr` `hunspell-fr-classical` `hunspell-nl` | Dictionaries |
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| `hyphen-en-gb` | Hyphenation |
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| `dictionaries-common` | Dictionary config |
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```bash
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sudo apt remove --purge aspell aspell-en hunspell-de-de hunspell-en-gb hunspell-en-us hunspell-fr hunspell-fr-classical hunspell-nl hyphen-en-gb dictionaries-common
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sudo apt autoremove --purge
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```
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---
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## 10. Miscellaneous apps
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| Package | Notes |
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|---------|--------|
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| `alacarte` | Menu editor |
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| `galculator` | Calculator |
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| `htop` | Process viewer (keep if you use it for SSH admin) |
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| `arp-scan` | Network scan |
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| `fio` | Disk benchmark |
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| `clinfo` | OpenCL info |
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| `gldriver-test` | GL test |
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| `gui-pkinst` `gui-updater` | GUI package/update tools (RPi) |
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| `partitionmanager` (if present) | Partition editor |
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| `fwupd` `fwupd-arm64-signed` | Firmware updates (optional to keep) |
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| `fprintd` `libpam-fprintd` | Fingerprint (usually not on reTerminal) |
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| `ModemManager` | Modem (remove if no modem) |
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| `evolution-data-server-common` | Evolution PIM (often dependency of others) |
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---
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## 11. Optional services to disable (not necessarily remove)
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- `cups.service` — disable if you removed CUPS
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- `rpcbind.service` — disable if you removed rpcbind
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- `nfs-blkmap.service` — disable if no NFS
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- `bluetooth.service` — disable if you removed Bluetooth
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- `ModemManager.service` — disable if no modem
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```bash
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sudo systemctl disable cups.service
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sudo systemctl disable rpcbind.service
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sudo systemctl disable nfs-blkmap.service
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# etc.
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```
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---
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## Suggested order of removal
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1. **Printing:** CUPS + ghostscript + hplip + ipp-usb
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2. **NFS/RPC:** rpcbind (and nfs-* if present)
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3. **Development:** build-essential, gcc, g++, git, gdb, etc.
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4. **Document/office:** evince, catdoc
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5. **KDE apps:** dolphin, kate, konsole, konqueror, spectacle, kscreen, kdeconnect, etc. (keep what labwc/panel needs)
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6. **Image/media:** eom, imagemagick
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7. **Archive/backup:** 7zip, bup, cryfs
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8. **Bluetooth:** if not needed
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9. **Spell-check/dictionaries:** if not needed
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10. **Misc:** alacarte, galculator, fprintd, ModemManager (if not needed)
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After each group:
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```bash
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sudo apt autoremove --purge
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sudo apt clean
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```
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Then re-check with `dpkg -l` and `df -h` to see space saved. If you want a single “remove list” file for scripting, say which categories to include and we can generate one.
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