Linux(Ubuntu, Fedora, Vmware)使用笔记（2）

无法取得所有权错误

vmware提示虚拟机正在使用中，无法取得所有权。

此时需要删除lck文件
How to resolve "This virtual machine appears to be in use" error in VMware Workstation

更新系统以及安装软件 Fedora 24

设置代理服务器：Settings > Network > Network proxy > Http proxy

或者

$ gedit /etc/dnf/dnf.conf
[main]
proxy=https://<proxy>:<port>
# 或者
$ export http_proxy="http://<proxy>:<port>/"
$ export https_proxy="https://<proxy>:<port>/"

Fedora Linux – How to Use dnf Command With A Proxy Server

安装软件：

# 安装Google Chrome
$ gedit /etc/yum.repos.d/google-chrome.repo
[google-chrome]
name=google-chrome - \$basearch
baseurl=http://dl.google.com/linux/chrome/rpm/stable/\$basearch
enabled=1
gpgcheck=1
gpgkey=https://dl-ssl.google.com/linux/linux_signing_key.pub
$ dnf install google-chrome-stable

Install Google Chrome on Fedora 24/23, CentOS/RHEL 7.2

去除屏保：Settings > Power > Blank screen: Never

更新系统以及安装软件 Ubuntu 16

设置代理服务器：System Settings > Network > Network proxy > Http proxy > Apply system wide

或者

$ sudo gedit /etc/apt/apt.conf
Acquire::http::proxy "http://<proxy>:<port>/";
Acquire::https::proxy "https://<proxy>:<port>/";

不要在Ubuntu 16之上安装Edubuntu，它会使vmware部分功能失效。
$ apt-get install edubuntu-desktop
how to install packages with apt-get on a system connected via proxy?

去除屏保：System Settings > Brightness & Lock > Turn screen off when inactive for: Never