Xubuntu, fastboot, ADB and Redmi Note 7 adventures

Install adb and fastboot:

sudo su
apt-get update
apt-get install android-tools-adb android-tools-fastboot -y

Supposed your phone device bootloader is unblocked:

– Settings –> About Phone –> MIUI version and MIUI Version 7 Times
– Settings –> Additional Settings –> Developer Options and check “OEM unlocking” [should be already checked] and “USB debugging.”… Read the rest

Xubuntu issue in /etc/resolv.conf file

The problem when you seemingly configured all right and Google’s DNS resolvers are good:


But system still shows wrong information

Install resolvconf if needed

sudo apt-get install resolvconf -y

You need to disable systemd-resolved to get rid of from your /etc/resolv.confRead the rest

How to install roxterm on Xubuntu 18.04.1 LTS

roxterm no longer exist in debian pkg

Download and install roxterm using source below


git clone git://git.code.sf.net/p/roxterm/code roxterm

cd roxterm

Install python if needed:

sudo apt install python

You may skip below three steps and install and install dependencies firstly

sudo python ./mscript.py
Read the rest

How to downgrade to Firefox 56.0

Backup your current settings if needed

cp -rp .mozilla/ .mozilla_bk

Purge current firefox

sudo apt-get purge firefox -y

Download 56 version

wget https://ftp.mozilla.org/pub/firefox/releases/56.0/linux-x86_64/en-US/firefox-56.0.tar.bz2

sudo su

tar -xvf firefox-56.0.tar.bz2

cp -rp firefox /opt/

cd /usr/bin

ln -s /opt/firefox/firefox firefox

Finally, you have to avoid upgrading to the newer version.… Read the rest