Tag Archive

linux

Linux dd from server

Let’s say you have a huge image file on a file server and you want to dd the image to an SD card or a local drive.

Linux Backup to a Remote Server via ssh

Here’s how to do a tar backup to a remote server via ssh.

Full and Incremental Backup to a USB drive

Here’s how I do a full and also an incremental backup to a USB drive on a Debian Linux system.

Setup Sphinx with RTD Theme Quickly

This post explains how to setup Sphinx for source documentation quickly.

How to Fake a Domain for Wordpress and Web Development

This post explains how to setup a fake domain on your Linux Apache server so it will serve a particular domain from a local directory.

Move a Wordpress Website from a Local Server to Hostgator

Moving an existing Wordpress site to Hostgator involves:

Password Protect a Directory in Apache Server Using htaccess

To password protect a directory on an Apache web server, a .htaccess hidden file can be used. Here’s how to do it.

Mount a Remote Directory as a Local Directory via SFTP in Linux

In Debian Linux, you can mount a remote file system easily using sshfs to drag and drop files with ease.

The Best Documentation on Jekyll Static Website Generator

The best documentation I found for Jekyll, the static website generator, is at cloudcannon. It is much better than the Jekyll website itself

Page Up/Page Down key on Acer C720 Chromebook running GalliumOS

GalliumOS runs great on the Acer C720 Chromebook, but one function that does not work correctly is a PageUp/PageDn key. On most Chromebooks, you do this by pressing Alt-Up and Alt-Down keys. You can apply this workaround.

Samba server on Linux Mint 18

A Samba server lets you share files and folders with Windows and Mac users over your network. Samba is no longer included in Linux Mint 18 but these instructions will get you up and running quickly.

Autodocumentation using sphinx and self-hosted git server

This is an article in progress.

Headless Setup Wifi on Raspberry Pi Stretch

A Raspberry Pi can be configured from scratch without using a monitor or a keyboard (headless setup). But Raspbian Stretch uses a different system to configure wifi than Jessie or earlier Raspbian Linux versions.

How to Install Jekyll on Linux Mint

I was having problems installing Jekyll on Linux Mint 17 and Linux Mint 18. Jekyll is a really good and simple static website creator which also has a lot of templates available for it. Here’s the complete steps.

Setup Pandas and Python using Anaconda Package

Pandas is a module for Python for data analysis. Anaconda is a complete SW package that includes Python with Pandas, Numpy, Matplotlib, and various modules for data science.

Map a Remote Folder as a Local Drive

Linux Mint and Ubuntu can open a remote folder natively in file manager using “File/Connect To Server…” but many applications will not do this.

Using virtualenv with Python

Python modules can get to be a mess. When someone tries to run your code, they have to install all the modules you’ve used. With all the Python programs you try out, your local install might have a gazillion modules installed.

Send Email using Python smtplib Module and Gmail

A few lines of Python and a Gmail account is all that is needed to send email. This is useful for having your computer send you status emails such as backup notifications, or problems.

rsync Backup Parameters and Bash Script

This is an example of rsync backup parameters I use that work really well with Linux Mint and Rasbian Jessie (Debian-based).

Change permissions to Linux files only or directories only

To change all the files only (not the directories) from the present directory and lower (recursive) to, for example, premissions 655:

Automount USB drives in Linux Mint

There’s a desktop GUI to automount a USB external drive in Debian-based Linux, but if you’re running headless, here’s how to do it via the command line. This udev script will automatically mount the removable drive as /media/label where label is the label of the drive.

Run Your Own Git Server using Google Gogs

There are several github servers you can run on your own machine, but Gogs is very lightweight and simple. So light that it will even run on a Raspberry Pi.

Linux Package Cheatsheet

These are common Linux (Debian) commands to maintain the packages in Debian-based Linux systems.

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python

ImportError: cannot import name ‘main’

I got this error trying to install Python pip on a fresh Ubuntu 16.04 install. Turns out pip 10.0 installs itself to ~/.local/bin instead of the typical location of /usr/bin/pip and it can’t find other modules it needs.

Autodocumentation using sphinx and self-hosted git server

This is an article in progress.

Setup Pandas and Python using Anaconda Package

Pandas is a module for Python for data analysis. Anaconda is a complete SW package that includes Python with Pandas, Numpy, Matplotlib, and various modules for data science.

Using virtualenv with Python

Python modules can get to be a mess. When someone tries to run your code, they have to install all the modules you’ve used. With all the Python programs you try out, your local install might have a gazillion modules installed.

Send Email using Python smtplib Module and Gmail

A few lines of Python and a Gmail account is all that is needed to send email. This is useful for having your computer send you status emails such as backup notifications, or problems.

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git

My git notes

These are my notes on commonly used git commands.

The Best Git Tutorial

The best tutorial so far is not from git itself; too technical and not enough background. The one I really liked most is from Atlassian.

Run Your Own Git Server using Google Gogs

There are several github servers you can run on your own machine, but Gogs is very lightweight and simple. So light that it will even run on a Raspberry Pi.

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backup

Linux Backup to a Remote Server via ssh

Here’s how to do a tar backup to a remote server via ssh.

Full and Incremental Backup to a USB drive

Here’s how I do a full and also an incremental backup to a USB drive on a Debian Linux system.

rsync Backup Parameters and Bash Script

This is an example of rsync backup parameters I use that work really well with Linux Mint and Rasbian Jessie (Debian-based).

Back to Top ↑

jekyll

The Best Documentation on Jekyll Static Website Generator

The best documentation I found for Jekyll, the static website generator, is at cloudcannon. It is much better than the Jekyll website itself

How to Install Jekyll on Linux Mint

I was having problems installing Jekyll on Linux Mint 17 and Linux Mint 18. Jekyll is a really good and simple static website creator which also has a lot of templates available for it. Here’s the complete steps.

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sphinx

Setup Sphinx with RTD Theme Quickly

This post explains how to setup Sphinx for source documentation quickly.

Autodocumentation using sphinx and self-hosted git server

This is an article in progress.

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Ubuntu

Samba server on Linux Mint 18

A Samba server lets you share files and folders with Windows and Mac users over your network. Samba is no longer included in Linux Mint 18 but these instructions will get you up and running quickly.

ImportError: cannot import name ‘main’

I got this error trying to install Python pip on a fresh Ubuntu 16.04 install. Turns out pip 10.0 installs itself to ~/.local/bin instead of the typical location of /usr/bin/pip and it can’t find other modules it needs.

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web

Using GoDaddy for domain and DNS and Hostgator for web hosting

Using GoDaddy for domain registry and DNS while using Hostgator for web hosting might seem complicated, but I have domains already at GoDaddy and it let’s me point any domain to any web host so I am not stuck with one web provider.

The Best Documentation on Jekyll Static Website Generator

The best documentation I found for Jekyll, the static website generator, is at cloudcannon. It is much better than the Jekyll website itself

Back to Top ↑

apache

How to Fake a Domain for Wordpress and Web Development

This post explains how to setup a fake domain on your Linux Apache server so it will serve a particular domain from a local directory.

Password Protect a Directory in Apache Server Using htaccess

To password protect a directory on an Apache web server, a .htaccess hidden file can be used. Here’s how to do it.

Back to Top ↑

wordpress

How to Fake a Domain for Wordpress and Web Development

This post explains how to setup a fake domain on your Linux Apache server so it will serve a particular domain from a local directory.

Move a Wordpress Website from a Local Server to Hostgator

Moving an existing Wordpress site to Hostgator involves:

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serial

Writing udev rules for USB serial and IO devices

Here’s a summary of how to write linux udev rules for USB devices, especially for IO.

USB-to_Serial adapter reference information

This is a rundown of various USB-to-serial devices I’ve used and technical information I’ve found out.

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usb

Writing udev rules for USB serial and IO devices

Here’s a summary of how to write linux udev rules for USB devices, especially for IO.

USB-to_Serial adapter reference information

This is a rundown of various USB-to-serial devices I’ve used and technical information I’ve found out.

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tar

Linux Backup to a Remote Server via ssh

Here’s how to do a tar backup to a remote server via ssh.

Full and Incremental Backup to a USB drive

Here’s how I do a full and also an incremental backup to a USB drive on a Debian Linux system.

Back to Top ↑

ssh

Linux dd from server

Let’s say you have a huge image file on a file server and you want to dd the image to an SD card or a local drive.

Linux Backup to a Remote Server via ssh

Here’s how to do a tar backup to a remote server via ssh.

Back to Top ↑

apt

Linux Package Cheatsheet

These are common Linux (Debian) commands to maintain the packages in Debian-based Linux systems.

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packages

Linux Package Cheatsheet

These are common Linux (Debian) commands to maintain the packages in Debian-based Linux systems.

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server

Run Your Own Git Server using Google Gogs

There are several github servers you can run on your own machine, but Gogs is very lightweight and simple. So light that it will even run on a Raspberry Pi.

Back to Top ↑

automount

Automount USB drives in Linux Mint

There’s a desktop GUI to automount a USB external drive in Debian-based Linux, but if you’re running headless, here’s how to do it via the command line. This udev script will automatically mount the removable drive as /media/label where label is the label of the drive.

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usb drive

Automount USB drives in Linux Mint

There’s a desktop GUI to automount a USB external drive in Debian-based Linux, but if you’re running headless, here’s how to do it via the command line. This udev script will automatically mount the removable drive as /media/label where label is the label of the drive.

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file permissions

Change permissions to Linux files only or directories only

To change all the files only (not the directories) from the present directory and lower (recursive) to, for example, premissions 655:

Back to Top ↑

smtplib

Send Email using Python smtplib Module and Gmail

A few lines of Python and a Gmail account is all that is needed to send email. This is useful for having your computer send you status emails such as backup notifications, or problems.

Back to Top ↑

gmail

Send Email using Python smtplib Module and Gmail

A few lines of Python and a Gmail account is all that is needed to send email. This is useful for having your computer send you status emails such as backup notifications, or problems.

Back to Top ↑

virtualenv

Using virtualenv with Python

Python modules can get to be a mess. When someone tries to run your code, they have to install all the modules you’ve used. With all the Python programs you try out, your local install might have a gazillion modules installed.

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network

Map a Remote Folder as a Local Drive

Linux Mint and Ubuntu can open a remote folder natively in file manager using “File/Connect To Server…” but many applications will not do this.

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storage

Map a Remote Folder as a Local Drive

Linux Mint and Ubuntu can open a remote folder natively in file manager using “File/Connect To Server…” but many applications will not do this.

Back to Top ↑

pandas

Setup Pandas and Python using Anaconda Package

Pandas is a module for Python for data analysis. Anaconda is a complete SW package that includes Python with Pandas, Numpy, Matplotlib, and various modules for data science.

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anaconda

Setup Pandas and Python using Anaconda Package

Pandas is a module for Python for data analysis. Anaconda is a complete SW package that includes Python with Pandas, Numpy, Matplotlib, and various modules for data science.

Back to Top ↑

raspberry pi

Headless Setup Wifi on Raspberry Pi Stretch

A Raspberry Pi can be configured from scratch without using a monitor or a keyboard (headless setup). But Raspbian Stretch uses a different system to configure wifi than Jessie or earlier Raspbian Linux versions.

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wifi

Headless Setup Wifi on Raspberry Pi Stretch

A Raspberry Pi can be configured from scratch without using a monitor or a keyboard (headless setup). But Raspbian Stretch uses a different system to configure wifi than Jessie or earlier Raspbian Linux versions.

Back to Top ↑

git server

Autodocumentation using sphinx and self-hosted git server

This is an article in progress.

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micropython

Programming ESP8266 with MicroPython

Here’s the latest instructions on how to progam MicroPython onto the ESP8266 wifi chip. New changes have made the old directions not work.

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esp8266

Programming ESP8266 with MicroPython

Here’s the latest instructions on how to progam MicroPython onto the ESP8266 wifi chip. New changes have made the old directions not work.

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acpi

Prevent mouse, keyboard and USB devices from waking up PC

In Linux Mint, bumping my mouse or keyboard would wake up my PC from suspend. Here’s how I disabled it.

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suspend

Prevent mouse, keyboard and USB devices from waking up PC

In Linux Mint, bumping my mouse or keyboard would wake up my PC from suspend. Here’s how I disabled it.

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wake

Prevent mouse, keyboard and USB devices from waking up PC

In Linux Mint, bumping my mouse or keyboard would wake up my PC from suspend. Here’s how I disabled it.

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pip

ImportError: cannot import name ‘main’

I got this error trying to install Python pip on a fresh Ubuntu 16.04 install. Turns out pip 10.0 installs itself to ~/.local/bin instead of the typical location of /usr/bin/pip and it can’t find other modules it needs.

Back to Top ↑

samba

Samba server on Linux Mint 18

A Samba server lets you share files and folders with Windows and Mac users over your network. Samba is no longer included in Linux Mint 18 but these instructions will get you up and running quickly.

Back to Top ↑

galliumos

Page Up/Page Down key on Acer C720 Chromebook running GalliumOS

GalliumOS runs great on the Acer C720 Chromebook, but one function that does not work correctly is a PageUp/PageDn key. On most Chromebooks, you do this by pressing Alt-Up and Alt-Down keys. You can apply this workaround.

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chromebook

Page Up/Page Down key on Acer C720 Chromebook running GalliumOS

GalliumOS runs great on the Acer C720 Chromebook, but one function that does not work correctly is a PageUp/PageDn key. On most Chromebooks, you do this by pressing Alt-Up and Alt-Down keys. You can apply this workaround.

Back to Top ↑

source control

The Best Git Tutorial

The best tutorial so far is not from git itself; too technical and not enough background. The one I really liked most is from Atlassian.

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continuous integration

The Best Git Tutorial

The best tutorial so far is not from git itself; too technical and not enough background. The one I really liked most is from Atlassian.

Back to Top ↑

ci

The Best Git Tutorial

The best tutorial so far is not from git itself; too technical and not enough background. The one I really liked most is from Atlassian.

Back to Top ↑

text

Draw Diagrams Online

Why draw diagrams online when there is Visio, Powerpoint, Inkscape, Illustrator and many more? For super simplicity, that’s why! Here are some examples.

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graphics

Draw Diagrams Online

Why draw diagrams online when there is Visio, Powerpoint, Inkscape, Illustrator and many more? For super simplicity, that’s why! Here are some examples.

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sftp

Mount a Remote Directory as a Local Directory via SFTP in Linux

In Debian Linux, you can mount a remote file system easily using sshfs to drag and drop files with ease.

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read the docs

Setup Sphinx with RTD Theme Quickly

This post explains how to setup Sphinx for source documentation quickly.

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udev

Writing udev rules for USB serial and IO devices

Here’s a summary of how to write linux udev rules for USB devices, especially for IO.

Back to Top ↑

jpg

Batch Resize JPG Images in Linux

Here’s a super fast way to convert a bunch of .jpg images to a lower resolution without changing the aspect ratio. This is especially useful in reducing image sizes for websites.

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convert

Batch Resize JPG Images in Linux

Here’s a super fast way to convert a bunch of .jpg images to a lower resolution without changing the aspect ratio. This is especially useful in reducing image sizes for websites.

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resize

Batch Resize JPG Images in Linux

Here’s a super fast way to convert a bunch of .jpg images to a lower resolution without changing the aspect ratio. This is especially useful in reducing image sizes for websites.

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mqtt

Periodically publish IP to MQTT server

Here’s how I periodically have my various computers publish their IP address to an MQTT server. The message are set with “retain” flag so subscribing to the MQTT server will show all the IPs of my computers.

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