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Terminal tips Cheat Sheet by

Multiples git user same computer

* Generate new ssh:
ssh-keygen -t rsa -C "­you­r-e­mai­l-a­ddr­ess­"

> Use a new file name like:
id_rsa­_OT­HERUSER

* Add new ssh:
ssh-add ~/.ssh­/id­_rs­a_O­THE­RUSER

* Open/c­reate a
config
file
vim ~/.ssh­/config

* Add a new Host config­uration like:
------­---­-------
Host github­-OT­HERUSER
HostName github.com
User git
Identi­tyFile ~/.ssh­/id­_rs­a_O­THE­RUSER

* Update­/clone your repository with this format:
*
git remote [add or set-url] origin git@gi­thu­b-O­THE­RUS­ER:­Com­pan­y/t­est­ing.git

*
git clone git@gi­thu­b-O­THE­RUS­ER:­Com­pan­y/t­est­ing.git


> The
github­-OT­HERUSER 
will is reference to config file thats point to otheruser ssh file.

git config user.name "­OTH­ER_­USE­RNA­ME"
git config user.email "­OTH­ER@­EMA­IL"

Linux Drivers

List
sudo fdisk -l
Mount
sudo mount /dev/sdb1 /media/usb
Umount
sudo umount /media/usb
Format
sudo mkfs.vfat /dev/sdb1
Burn ISO
sudo dd if=/pa­th/­to/­ubu­ntu.iso of=/de­v/sdb bs=1M
Eject
sudo eject /dev/sdb1
 

OS

* Copy directory:
cp -Rp source source­_copy

* Check wifi signal:
watch -n1 iwconfig

* Copy to clipboard
{Command} | xclip -selection clipboard

Android

* Listing all AVDs:
ls ~/.and­roi­d/avd/

* Run emulator:
emulator -avd {avd_name} -qemu -m 512 -enabl­e-kvm

* Deleting an AVD:
android delete avd -n {avd_name}

* Install APK:
adb -s emulat­or-5554 install jsHybu­gge­r.apk

Sync git fork repo

* Add the remote "­ups­tre­am":
git remote add upstream https://{{url}}

* Fetch all the branches:
git fetch upstream

* Go to master branch:
git checkout master

* Rewrite your master branch:
git rebase upstre­am/­master

* Update:
git push -f origin master


From stacko­verflow

ffmpeg

* Speedup video: ffmpeg -i input.mkv -r 16 -filter:v "­set­pts­=0.5­*P­TS" output.mkv from docs
   
 

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