As an Aviation enthusiast and pilot (I had to say it) flying in Canada, I often need to analize the Canadian VFR (Visual Flight Rules) map.

There is few ways to do that online:

• Using Foreflight map (needs a paid subscription)
• Using Skyvector, but it only shows the US map …

Permitting the backup of an existing app

adb shell pm path com.the.app adb pull /data/app/com.the.app/base.apk apktool d ../base.apk

apktool b base zipalign -v 4 base/dist/base.apk base-backup.apk jarsigner –verbose –sigalg SHA1withRSA -digestalg SHA1 -keystore ~/.android.keystore base-backup.apk …

Hosting its own email server takes a lot of time to setup, maintain and troubleshoot. I own my domain name and use it for emails since more that 20 years and used different ways to to it. There is a lot of good providers like Gmail, Protonmail but they can …

In today's rapidly changing world, rebooting computers become more and more difficult. Here is a little brutal program to reboot an x86 computer.

/* cc -o reboot reboot.c */
/* ./reboot */

#include <sys/io.h>

void main(void) {
    iopl(3);
    outb(6, 0xcf9);
}

SSH through an http proxy

(ncat comming from package nmap or ncat)

ProxyCommand /usr/bin/ncat --proxy-type http --proxy PROXY:PORT --proxy-auth PROXY_USER:PROXY_PASSWORD %h 22

SSH through an SSH hop

ProxyCommand /usr/bin/ssh USER@HOP /bin/nc %h 22

Keeping an agent in WSL

keychain does the trick …