postfix有一些问题。当我尝试删除它，以便我可以重新安装： learner@juggernaut:~$ sudo apt-get remove postfix Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: lsb-invalid-mta The following packages will be REMOVED: postfix The following NEW packages will be installed: lsb-invalid-mta 0 upgraded, 1 newly installed, 1 to remove and 0 …
遵循以下指示：http：//npmjs.org/package/canvas 我已经安装了cairo和pixman，但是cairo找不到pixman。 Package pixman-1 was not found in the pkg-config search path. Perhaps you should add the directory containing `pixman-1.pc' to the PKG_CONFIG_PATH environment variable No package 'pixman-1' found gyp: Call to 'pkg-config pixman-1 --libs' returned exit status 1. while trying to load binding.gyp 我的cairo.pc看起来像这样： prefix=/usr exec_prefix=${prefix} libdir=${exec_prefix}/lib includedir=${prefix}/include Name: …