Install kernel mainline

 

• In Terminal, enter uname -mrs to determine the current kernel version.
• Check and get any needed updates by entering sudo apt update && sudo apt upgrade.
• Add the ppa for the kernels: sudo add-apt-repository ppa:cappelikan/ppa -y
• Again, get the update list, now that the new repository has been added: sudo apt update
• Install the latest mainline kernel: sudo apt install mainline -y
• Reboot.

Ubuntu 20.04 glitch screen after suspend

 

sudo apt purge xserver-xorg-video-intel

Reduce laptop overheat

Install TLP and thermald

sudo add-apt-repository ppa:linrunner/tlp
sudo apt-get update sudo apt-get install tlp tlp-rdw
sudo apt-get install thermald



https://itsfoss.com/reduce-overheating-laptops-linux/

Bug cannot detect UTF-8 when ssh deploy (Mac OS)

nano /etc/ssh/ssh_config

comment the line
SendEnv LANG LC_*

Format USB in Ubuntu

View device path e.g (/dev/sda , /dev/sdb ....)
sudo df -h

Replace "/your/device" with usb device path
sudo dd if=/dev/zero of=/your/device bs=1M count=10

Open Disks application, format USB

That's all!

Set static DNS using Ubuntu Deskop 16.04

nano /etc/resolvconf/resolv.conf.d/head

nameserver 8.8.8.8

Panel border shadow is black when sleep or suspend

If you use Unity, just open terminal and type

unity

everything should be ok!

Connect internet when using OpenVPN - Ubuntu 16.04

1. Setup OpenVPN using network manager

2. Open termainal, type

default_gateway=$(/sbin/ip route | awk '/default/ { print $3 }')
arr=(`echo ${default_gateway}`);
#echo "${arr[1]}"
sudo route add default gw "${arr[1]}"  wlp62s0
sudo route add -net 10.0.0.0 netmask 255.255.255.0 dev tun0

wlp620: main card connect internet (wifi or cable)
tun0: virtual interface of VPN connection
10.0.0.0 : base ip of VPN connection (ex: 10.0.0.3)


3. Save as changegateway
4. chmod +x changegateway
5. ./changegateway