install Cura on Ubuntu

2016/03/16 Bruno Santeramo Leave a comment

optionally install additional packages

sudo apt-get install python-opengl
sudo apt-get install python-numpy
sudo apt-get install python-serial
sudo apt-get install python-setuptools
sudo apt-get install curl
sudo apt-get install arduino

sudo apt-get install python-opengl

sudo apt-get install python-numpy

sudo apt-get install python-serial

sudo apt-get install python-setuptools

sudo apt-get install curl

sudo apt-get install arduino

Retrieve package

.deb package can be retrieved in two different ways:

download package

visit https://ultimaker.com/en/products/cura-software/list
and download package

build package from source code

git clone https://github.com/daid/Cura.git
cd Cura
sudo ./package.sh debian_amd64 # or debian_i386 for 32bit

git clone https://github.com/daid/Cura.git

cd Cura

sudo ./package.sh debian_amd64 # or debian_i386 for 32bit

install package

sudo dpkg -i ./scripts/linux/cura*.deb

1	sudo dpkg -i ./scripts/linux/cura*.deb

Reference

Cura Ubuntu Installation

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scan connected hosts in local network

2015/11/27 Bruno Santeramo Leave a comment

nmap

sudo nmap -sn 192.168.1.0/24

1	sudo nmap -sn 192.168.1.0/24

arp-scan

sudo arp-scan -l

1	sudo arp-scan -l

avahi-browse

avahi-browse -a -t -d local
avahi-browse -a -t
avahi-browse -a -t -r -d local
avahi-browse -a -t -v -d local

avahi-browse -a -t -d local

avahi-browse -a -t

avahi-browse -a -t -r -d local

avahi-browse -a -t -v -d local

avahi-discover

avahi-discover

1	avahi-discover

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Git useful commands

2015/10/22 Bruno Santeramo Leave a comment

Repositories

List remote repositories

git remote -v

1	git remote -v

Add new remote repository

git remote add <REMOTE_REPO_NAME> https://github.com/<OWNER>/<REPOSITORY>.git

1	git remote add <REMOTE_REPO_NAME> https://github.com/<OWNER>/<REPOSITORY>.git

In case of fork, it’s useful to add the original repo as a remote repo named ‘upstream’

git remote add upstream https://github.com/ORIGINAL_OWNER/ORIGINAL_REPOSITORY.git

1	git remote add upstream https://github.com/ORIGINAL_OWNER/ORIGINAL_REPOSITORY.git

Sync fork repo with original repo

First, fetch original repo

git fetch upstream

1	git fetch upstream

Then, switch to fork/branch to sync with original branch (eg. master)

git checkout master

1	git checkout master

Merge original/branch with fork/branch

git merge upstream/master

1	git merge upstream/master

Finally, push synced fork/branch in remote fork/repo (eg. master)

git push origin master

1	git push origin master

Branches

List Branches

only local branches

git branch

1	git branch

both remote-tracking and local branches

git branch -a

1	git branch -a

Create new branch and switch to new Branch

Command

git checkout -b <branch_name>

1	git checkout -b <branch_name>

Clone a specific Branch

Command

git branch -a
git checkout <name_of_branch>

1 2	git branch -a git checkout <name_of_branch>

Create local Branch linked to remote Branch

Command

git branch -a
git checkout -b <branch-name> <origin/branch_name>

1 2	git branch -a git checkout -b <branch-name> <origin/branch_name>

example

git branch -a
* master
  origin/HEAD
  origin/enum-account-number
  origin/master
  origin/rel_table_play
  origin/sugarfield_customer_number_show_c

git branch -a

* master

origin/HEAD

origin/enum-account-number

origin/master

origin/rel_table_play

origin/sugarfield_customer_number_show_c

git checkout -b enum-account-number origin/enum-account-number

1	git checkout -b enum-account-number origin/enum-account-number

After you hit return the following happens:

Branch enum-account-number set up to track remote branch refs/remotes/origin/enum-account-number.
Switched to a new branch "enum-account-number

1 2	Branch enum-account-number set up to track remote branch refs/remotes/origin/enum-account-number. Switched to a new branch "enum-account-number

Switch Branch

Command

git checkout <branch_name>

1	git checkout <branch_name>

Remove Branch

remove local branch

git branch -d <branch_name>

1	git branch -d <branch_name>

remove remote branch once removed local branch

git push origin :<branch_name>

1	git push origin :<branch_name>

Push changes to Branch

Command

git push origin <branch_name>

1	git push origin <branch_name>

Merge Branches

swithc to destination branch
than commit selected branch into current branch
–no-ff option generate a merge commit with a message

git merge --no-ff <branch_name>

1	git merge --no-ff <branch_name>

Undo

Discharge changes on file or restore deleted file

git reset HEAD <file>
git checkout <file>

1 2	git reset HEAD <file> git checkout <file>

Undo a commit

git revert de4bbc49eab

1	git revert de4bbc49eab

reference

git – la guida tascabile

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working on real or virtual server?

2015/10/21 Bruno Santeramo Leave a comment

To know if you are working on a virtual or physical server, check the output of dmidecode

example of physical server

dmidecode -s system-manufacturer
Hewlett-Packard

1 2	dmidecode -s system-manufacturer Hewlett-Packard

example of virtual server

dmidecode -s system-manufacturer
OpenStack Foundation

1 2	dmidecode -s system-manufacturer OpenStack Foundation

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set DNS servers on Raspberry

2015/10/03 Bruno Santeramo Leave a comment

edit /etc/resolv.conf
then add the server IP of the DNS servers

nameserver 208.67.222.222
nameserver 208.67.220.220

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monitor CPU temperature

2015/09/14 Bruno Santeramo Leave a comment

Install lm-sensors

sudo apt-get install lm-sensors

1	sudo apt-get install lm-sensors

detect sensors

sudo sensors-detect

1	sudo sensors-detect

monitor temperature

sensors

sensors

reference

Come monitorare la temperatura del processore

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link between articles in joomla

2015/09/02 Bruno Santeramo Leave a comment

To insert a link to another article on the same joomla site, use the following url

index.php?option=com_content&view=article&id=ARTICLE_ID

1	index.php?option=com_content&view=article&id=ARTICLE_ID

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un semplice benchmark calcolando il pi greco

2015/07/04 Bruno Santeramo Leave a comment

Un benchmark molto semplice può essere efettuato calcolando il valore del pi greco con bc

time echo "scale=10000; 4*a(1)" | bc -l

1	time echo "scale=10000; 4*a(1)" \| bc -l

N.B.
questo test usa solo un core

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install latest docker version on ubuntu

2015/05/23 Bruno Santeramo Leave a comment

Tested on:

Ubuntu 12.04
Ubuntu 14.04

#Login as root
sudo su

#Add the repository to your APT sources
echo deb https://get.docker.com/ubuntu docker main > /etc/apt/sources.list.d/docker.list

#Import the repository key
apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9

#Upgrade repository
apt-get update

#Install docker
apt-get install lxc-docker

#Login as root

sudo su

#Add the repository to your APT sources

echo deb https://get.docker.com/ubuntu docker main > /etc/apt/sources.list.d/docker.list

#Import the repository key

apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9

#Upgrade repository

apt-get update

#Install docker

apt-get install lxc-docker

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Free Public DNS Servers

2015/05/20 Bruno Santeramo Leave a comment

OpenDNS

IPv4

208.67.222.222
208.67.220.220

Google Public DNS

IPv4

8.8.8.8
8.8.4.4

IPv6

2001:4860:4860::8888
2001:4860:4860::8844

Level 3 DNS

Norton ConnectSafe DNS

OpenNIC DNS

Reference

Best Free Public DNS Servers

optionally install additional packages

Retrieve package

download package

build package from source code

install package

Reference

nmap

arp-scan

avahi-browse

avahi-discover

Repositories

List remote repositories

Add new remote repository

Sync fork repo with original repo

Branches

List Branches

Create new branch and switch to new Branch

Clone a specific Branch

Create local Branch linked to remote Branch

Switch Branch

Remove Branch

Push changes to Branch

Merge Branches

Tags

List Tags

Create Tag

Push Tag

Undo

Discharge changes on file or restore deleted file

Undo a commit

reference

reference

IPv4

IPv4

IPv6

Level 3 DNS

Norton ConnectSafe DNS

OpenNIC DNS

Reference

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