docker在centos7 中安装后启动失败

Question

[root@localhost Desktop]# rpm -qi docker
Name : docker
Version : 1.5
Release : 5.el6
Architecture: x86_64
Install Date: Sat 02 May 2015 12:12:36 PM CST
Group : User Interface/X
Size : 37603
License : GPL+
Signature : RSA/SHA256, Fri 02 Jul 2010 05:28:52 AM CST, Key ID 3b49df2a0608b895
Source RPM : docker-1.5-5.el6.src.rpm
Build Date : Fri 02 Jul 2010 02:32:06 AM CST
Build Host : x86-05.phx2.fedoraproject.org
Relocations : (not relocatable)
Packager : Fedora Project
Vendor : Fedora Project
URL : http://icculus.org/openbox/2/docker/
Summary : KDE and GNOME2 system tray replacement docking application
Description :
Docker is a docking application (WindowMaker dock app) which acts as a system
tray for KDE and GNOME2. It can be used to replace the panel in either
environment, allowing you to have a system tray without running the KDE/GNOME
panel or environment.

[root@localhost Desktop]# systemctl start docker.service
Failed to issue method call: Unit docker.service failed to load: No such file or directory.

Answer 1

예를 들어 각 포인트의 평균 rgba 값을 취하고 이 전략을 사용하여 각 픽셀에 대해 병합된 픽셀 데이터를 계산하는 방법을 알아봅니다. 병합된 iamgeData를 가져옵니다.
그런 다음 putImage 메서드를 사용하여 병합된 캔버스로 가져옵니다.