執行下面指令，建立專案資料夾
mkdir -p demo/DEBIAN
mkdir -p demo/usr/bin執行下面指令，產生「demo/DEBIAN/control」
cat > demo/DEBIAN/control << EOF
Package: demo
Version: 0.1
Architecture: all
Description: This is a test package.
Maintainer: developer <developer@home.heaven>
EOF可以執行「$ man deb-control」來閱讀「欄位說明」。
執行下面指令，產生「demo/usr/bin/demo」
cat > demo/usr/bin/demo << EOF
#!/usr/bin/env bash
echo 'Hi!'
EOF執行下面指令，設定執行權限
$ chmod +x demo/usr/bin/demo執行
$ demo/usr/bin/demo顯示
Hi!
執行下面指令，觀看專案資料夾結構
$ tree demo顯示
demo
├── DEBIAN
│ └── control
└── usr
└── bin
└── demo
3 directories, 2 files
執行下面指令，將「demo」打包成「deb檔」。
$ dpkg -b demo顯示
dpkg-deb: building package 'demo' in 'demo.deb'.
會產生一個檔案「demo.deb」。
執行下面指令，觀看「demo.deb」的檔案資訊
$ dpkg -I demo.deb顯示
new debian package, version 2.0.
size 668 bytes: control archive=240 bytes.
129 bytes, 6 lines control
Package: demo
Version: 0.1
Architecture: all
Description: This is a test package.
Maintainer: developer <developer@home.heaven>
執行
$ dpkg -f demo.deb顯示
Package: demo
Version: 0.1
Architecture: all
Description: This is a test package.
Maintainer: developer <developer@home.heaven>
執行
$ dpkg -c demo.deb顯示
drwxrwxr-x user/user 0 2017-05-26 13:56 ./
drwxrwxr-x user/user 0 2017-05-26 13:56 ./usr/
drwxrwxr-x user/user 0 2017-05-26 13:56 ./usr/bin/
-rwxrwxr-x user/user 33 2017-05-26 13:56 ./usr/bin/demo
執行下面指令，安裝「demo.deb」
$ sudo dpkg -i demo.deb執行
$ dpkg -l demo顯示
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-=============================-===================-===================-================================================================
ii demo 0.1 all This is a test package.
執行
$ dpkg -s demo顯示
Package: demo
Status: install ok installed
Maintainer: developer <developer@home.heaven>
Architecture: all
Version: 0.1
Description: This is a test package.
執行
$ grep '^Package: demo$' /var/lib/dpkg/status -A 5顯示
Package: demo
Status: install ok installed
Maintainer: developer <developer@home.heaven>
Architecture: all
Version: 0.1
Description: This is a test package.
執行
$ apt-cache show demo顯示
Package: demo
Status: install ok installed
Maintainer: developer <developer@home.heaven>
Architecture: all
Version: 0.1
Description: This is a test package.
Description-md5: 9aba808511e384454d68cb7face0f2da
執行
$ ls /var/lib/dpkg/info/demo* -1顯示
/var/lib/dpkg/info/demo.list
/var/lib/dpkg/info/demo.md5sums
執行
$ dpkg -L demo顯示
/.
/usr
/usr/bin
/usr/bin/demo
執行
$ cat /var/lib/dpkg/info/demo.list顯示
/.
/usr
/usr/bin
/usr/bin/demo
執行
$ cat /var/lib/dpkg/info/demo.md5sums顯示
1b55790573c853326dcf2107cfdfb682 usr/bin/demo
執行下面指令，透過「dpkg」，移除「demo」這個「Package」
$ sudo dpkg -r demo或是執行下面指令，透過「apt-get」，移除「demo」這個「Package」
$ sudo apt-get remove demo執行下面指令，觀看「force」選項說明
$ dpkg --force-help顯示
dpkg forcing options - control behaviour when problems found:
warn but continue: --force-<thing>,<thing>,...
stop with error: --refuse-<thing>,<thing>,... | --no-force-<thing>,...
Forcing things:
[!] all Set all force options
[*] downgrade Replace a package with a lower version
configure-any Configure any package which may help this one
hold Process incidental packages even when on hold
not-root Try to (de)install things even when not root
bad-path PATH is missing important programs, problems likely
bad-verify Install a package even if it fails authenticity check
bad-version Process even packages with wrong versions
overwrite Overwrite a file from one package with another
overwrite-diverted Overwrite a diverted file with an undiverted version
[!] overwrite-dir Overwrite one package's directory with another's file
[!] unsafe-io Do not perform safe I/O operations when unpacking
[!] confnew Always use the new config files, don't prompt
[!] confold Always use the old config files, don't prompt
[!] confdef Use the default option for new config files if one
is available, don't prompt. If no default can be found,
you will be prompted unless one of the confold or
confnew options is also given
[!] confmiss Always install missing config files
[!] confask Offer to replace config files with no new versions
[!] architecture Process even packages with wrong or no architecture
[!] breaks Install even if it would break another package
[!] conflicts Allow installation of conflicting packages
[!] depends Turn all dependency problems into warnings
[!] depends-version Turn dependency version problems into warnings
[!] remove-reinstreq Remove packages which require installation
[!] remove-essential Remove an essential package
WARNING - use of options marked [!] can seriously damage your installation.
Forcing options marked [*] are enabled by default.
執行下面指令，強制移除
$ sudo dpkg -r --force-all demo或是執行下面指令，強制移除，忽略相依性的問題
$ sudo dpkg -r --force-depends demo強制移除相關討論：「#23 回覆: 套件系統損壞 （懷疑是 LiberOffice 與 OpenOffice 衝突）」
- $ man deb-control
- $ man deb-old
- $ man deb
- $ man dpkg-deb
- $ man dpkg-query
- $ man dpkg
- $ man apt-get
- $ man apt-cache
- $ man apt