所以这里有个奇怪的。如果我手动配置它,我的无线就能正常工作,但是当我尝试在/etc/network/接口中配置它时,它就会失败。我想我已经追踪到了ifup,没有认出它是一个真正的设备。以下是相关信息:
root@cubieboard:~# cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet dhcp
auto wlan0
iface default inet static
在Linux中运行终端命令并在java程序中获取输出的代码如下:
public static String execute(String command) {
StringBuilder sb = new StringBuilder();
String[] commands = new String[]{"/bin/sh", "-c", command};
try {
Process proc = new ProcessBuilder(commands).start();
BufferedReader st
下面是运行sudo apt-get update时收到的错误消息:
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/trusty/Release Unable to find expected entry 'restricted/source/Sources' in Release file (Wrong sources.list entry or malformed file)
E: Some index files failed to download. They have been ignored,
我试图在我的amd64 Ubuntu16.04系统上安装doxygen和libpcl,这两个包都可以在https://packages.ubuntu.com/xenial/上找到。
这也发生在其他软件包,如智能和突触。我一直在用这样的命令来做这件事;
sudo apt-get install doxygen
的产出;
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package doxygen is not available, but is re
由于17.04不再受支持,我决定升级到17.10,但遇到以下错误,我无法解决:
Err http://archive.ubuntu.com/ubuntu stable Release
404 Not Found [IP: 91.189.88.161 80]
下面是完整的日志:
[16:44]dvinokurov@dvinokurov-WorkPC[~]$ LANG=en sudo do-release-upgrade
Checking for a