【Linux】配置

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修改 hostname

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vi /etc/hostname
reboot

Linux Basics - Set a Static IP on Ubuntu

Here is an example for an older Ubuntu Release:

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auto lo eth0
iface lo inet loopback
iface eth0 inet static
	address 192.168.1.100
	netmask 255.255.255.0
	gateway 192.168.1.1

And here an example for Ubuntu 16.04 and newer:

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# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# test

# The primary network interface
auto ens33
iface ens33 inet static
 address 192.168.1.100
 netmask 255.255.255.0
 network 192.168.1.0
 broadcast 192.168.1.255
 gateway 192.168.1.1
 dns-nameservers 8.8.8.8 8.8.4.4

Changing ubuntu server’s language to english

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sudo apt-get install language-pack-en language-pack-en-base manpages
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# /etc/default/locale
LANG="en_US.UTF-8"
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## OR
sudo update-locale LANG=en_US.UTF-8

build-essential

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apt-get install build-essential

or

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sudo apt-get install aptitude
sudo aptitude install build-essential

switch between gdm,lightdm

http://www.webupd8.org/2011/07/how-to-switch-between-gdm-lightdm-or.html

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sudo dpkg-reconfigure lightdm

[How can I define startup applications with the Awesome Window Manager? - Ask Ubuntu](

https://askubuntu.com/questions/57264/how-can-i-define-startup-applications-with-the-awesome-window-manager)

Starting from a template
First you’ll need to copy the template rc.lua file into your home folder

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mkdir ~/.config/awesome
cp /etc/xdg/awesome/rc.lua ~/.config/awesome/

Defining applications to start
Now using awesome - edit config copy the following code at the bottom of your new rc.lua file

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do
  local cmds =
  {
    "firefox",
    "xedit"
  }

  for _,i in pairs(cmds) do
    awful.util.spawn(i)
  end
end

In this example - firefox and xedit are run on startup.
An excellent wiki page describing this and much more can be found on ArchLinux

rootlogin

root 账号不能登录，提示 ssh permission denied 问题

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vi /etc/ssh/sshd_config
# add below line
PermitRootLogin yes
# then restart sshd
service sshd restart

ubuntu 设置静态网络

  1. 修改 /etc/netplan/00-installer-config.yaml
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network:
  version: 2
  # renderer: networkd
  ethernets:
    enp0s3:
      dhcp4: no
      addresses: [192.168.137.15/24]
      gateway4: 192.168.137.1
      nameservers:
        # search: [itzgeek.local]
        addresses: [233.5.5.5, 233.6.6.6]
  1. 执行命令：netplay apply 即可生效