小编mah*_*iar的帖子

在 Ubuntu 13.04 中，我曾经使用ppa:upubuntu-com/tor64 PPA 来安装 64 位 Tor 浏览器包。但是，在 Ubuntu 13.10 中它不再起作用。

如何在 Ubuntu 中安装 Tor 浏览器包？

我无法在笔记本电脑和 PC 中启用锁屏模式。我去了系统设置 > 屏幕 > 锁定 Ctrl+Alt+L ：没有任何反应！捷径在那里，但不起作用！

sudo apt-get --reinstall install gnome-screensaver :
Reading package lists... Done
Building dependency tree       
Reading state information... Done
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
 dassault-systemes-draftsight:i386 : Depends: sendmail:i386 but it is not installable
                                     PreDepends: libdirectfb-extra:i386 (>= 1.2.7-2) but it is not going to be installed
                                     PreDepends: libxcb-render-util0:i386 (>= 0.3.6-1) but it is not installable
E: Unmet dependencies. Try 'apt-get -f install' …

嗨，当我将我的电脑升级到 ubuntu 11.10 时，我无法连接到有线连接！它甚至找不到我的设备 MAC 地址！！我该怎么办？

ifconfig -a

eth0      Link encap:Ethernet  HWaddr ff:ff:ff:ff:ff:ff  
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:44 Base address:0x2000 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:6647 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6647 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:1333687 (1.3 MB)  TX bytes:1333687 (1.3 MB) …