將 Debian/Ubuntu 套件清單輸出備份與還原

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要打包系統所以要把目前裝過的套件全部記錄起來

簡單的拜了一下 Google 大神

dpkg --get-selections | grep -v deinstall

輸出已安裝清單

tasksel                                         install
tasksel-data                                    install
tcpd                                            install
tcpdump                                         install
tmux                                            install
traceroute                                      install
ttf-dejavu-core                                 install
tzdata                                          install
ubuntu-keyring                                  install
ubuntu-minimal                                  install
ucf                                             install
udev                                            install
unattended-upgrades                             install
........................skip...........................
vnstat                                          install
vsftpd                                          install
w3m                                             install
webalizer                                       install
wget                                            install
whiptail                                        install
whois                                           install
wireless-regdb                                  install
x11-common                                      install
xauth                                           install
xfonts-encodings                                install
xfonts-utils                                    install
xkb-data                                        install
xml-core                                        install
xz-lzma                                         install
xz-utils                                        install
zlib1g                                          install
zlib1g-dev                                      install
zsh                                             install

所以說你想要備份目前機器上所有 package 清單就可以輸入下列指令

備份已安裝清單

dpkg --get-selections > pkglist.txt

還原已安裝套件

dpkg --clear-selections
sudo dpkg --set-selections < list.txt

source: How to list all installed packages?