This little wrapper for SSH and SCP allows for comfortable management and scripting. It is specifically recommended for developing and testing embedded systems and virtual machines before production, where strong security is not required. Usage Use sshh and scpp exactly as you would use ssh and scp. Instalation Easy install! Paste on your zsh terminal …
Creating a minimal Debian container for Docker
In the last post, we introduced some basic techniques to free up unused space on a Debian system. Following those steps, I created a Debian 8 Docker image that takes only 56.7 MB! Usage You can get it typing the following, but you really don’t need to because docker run pulls the image for you if …
Squeeze disk space on a Debian system
Do you have your root filesystem on a small SSD? are you working on an embedded system, maybe a Raspberry Pi on a 2 GB SD card? Sooner or later we need to have a look at what is chewing up our space. Here is a quick reference. Basic maintenance There is a couple of …
NextCloudPi, a ready to use NextCloud image for Raspberry Pi
IMPORTANT: The contents of this blog post are a detailed explanation of NextCloudPi. However, the main landing page of the project is now nextcloudpi.com and that is the place where information will be kept up to date. I would like to introduce NextCloudPi, ready to use Raspbian 9 image with the latest Nextcloud 13. NextCloudPi …
Raspbian on QEMU with network access
This is a little guide to emulate the Raspbian operating system for ARM on QEMU with network connectivity. I found most resources on this outdated, relying on broken links, and lacking the steps for network access, so I reviewed them and streamlined the process. Long story short If you haven’t yet, install QEMU on your …
Control your Raspberry Pi with your TV remote
This little script will allow you to control your Raspberry Pi using the buttons in your regular TV remote. Usage You can press the following buttons on the remote. OK – launch kodi up – launch browser down – change wallpaper (this is a custom script of mine) left – suspend your desktop computer …
Custom random avatars in WordPress
When someone places a comment in WordPress, the blog tries to identify them by email. The email address is not shown on the comments, but if they happen to have a Gravatar account, their profile picture from that service will be used. If a Gravatar is not found for that email, then a default image …
List files without stopping to type in zsh
This zsh widget allows you to list files in the current directory without interrupting the command you are typing. Usage Hit <tab> in the middle of any command. It will list all files below the command line. Hit <space><tab> on an empty command line. It will list directories. Hit <space><space><tab> on an empty command line. It will …
Colorize your stdout with xcol
This little tool will colorize its standard input with a different color for each one of its arguments. Usage xcol imitates the usage of grep, so you can pipe any stdout to it
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lspci | xcol audio vga pci usb amd ati hdmi ethernet radeon amd intel |
, or read from a file
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xcol fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge cmov pat pse36 clflush mmx fxsr sse \ sse2 ht syscall nx mmxext cache cores amd /proc/cpuinfo |
Just like grep . You can match any regular expression that sed would accept
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sudo netstat -putan | xcol httpd sshd dnsmasq pulseaudio conky tor Telegram firefox \ "[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+" ":[[:digit:]]+" "tcp." "udp." \ LISTEN ESTABLISHED TIME_WAIT |
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Completely remove a file from a git repository with git forget-blob
Usage
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git forget-blob file_to_forget |
Installation Get the script from github and make it executable. To do it in one step, paste the following on your terminal
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sudo wget https://raw.githubusercontent.com/nachoparker/git-forget-blob/master/git-forget-blob.sh -O /usr/local/bin/git-forget-blob sudo chmod +x /usr/local/bin/git-forget-blob |
If you don’t like installing to /usr/local/bin using sudo , just copy git-forget-blob wherever you like. It will work as long as the file is in the $PATH with execute permissions. …