76 votes

How can I get past a “Repository is not signed…” message when attempting to upgrade Kali Linux from a mounted disk image?

According to the Debian man page for apt-get, you can use the --allow-unauthenticated option like this: apt-get update --allow-unauthenticated As the man page entry for --allow-unauthenticated ...
Giacomo1968's user avatar
  • 53.6k
25 votes

How can I get past a “Repository is not signed…” message when attempting to upgrade Kali Linux from a mounted disk image?

You should tell apt it's a trusted source: deb [trusted=yes] file:/media/cdrom0 kali-rolling main contrib non-free
oroverdino's user avatar
24 votes

apt-get update issue in Kali

if you encounter any 404 error messages when trying to download the keyring, please try the following: Update 2022 for convenience reasons: the current keyring file changed, use the following commands:...
kantholy's user avatar
  • 341
21 votes

How to solve this Dependencies apt --fix-broken install

This is not a simple problem, and I faced a similar one just a minute ago. I solved it by running (a variation on): dpkg --force-all --configure -a dpkg --purge --force-depends libnettle6 (cf. this ...
Clément's user avatar
  • 336
20 votes

What makes Kali Linux different from other Linux distros for it to be used exclusively for hacking and penetration testing?

I have been asked to first start using Kali Linux and get used to the bash before doing anything in hacking. No. Just no. "Getting used to the Bash" means you're lacking somewhat fundamental skills ...
Aibobot's user avatar
  • 957
20 votes

Bluetooth not Working on Kali Linux

I believe we were having the same problem. My Bluetooth would not turn on and would remain in the off position. Here is what I did to fix this problem: service bluetooth restart This restarted the ...
Derek's user avatar
  • 201
19 votes

apt-get update not working: Signing/ Verification errors

Solved by doing a docker system prune(?!). Is it the image that was in a bad state? Was it a problem caused by not having enough disk space? Maybe something to consider if you're having the problem ...
Pierre.Sassoulas's user avatar
18 votes

apt-get update issue in Kali

Yes, there appears to be issues with Kali Linux WSL (not downloaded from Microsoft Store). The Kali archive keys appear to be missing and cannot be installed using apt-add key since it relies on GnuPG,...
kush's user avatar
  • 196
15 votes

How to make OpenVAS listen on an external interface?

Since we're on systemd, you actually need to modify 3 .service files: cd /lib/systemd/system Files are: greenbone-security-assistant.service, openvas-manager.service and openvas-scanner.service. To ...
Tim Rain's user avatar
  • 166
14 votes

How do I disable the screensaver/lock in kali linux?

Another solution is to increase the sleep to it max Settings > Power Manager > Security unchecked Lockscreen when system is going to sleep
code-8's user avatar
  • 436
13 votes

Can't login in Kali Linux

I saw this post on a quest for a solution to the same problem. I couldn't find an answer. What i then tried doing was this and it worked. While in the username screen press Ctrl+Alt+F1 Login with ...
Adriaan's user avatar
  • 231
13 votes

BOOTREC /FIXBOOT => Element not found

For anybody else that experiences the same problem (completely shot my windows boot partition while installing Linux) and stumbles across this question, I suggest giving the troubleshooting steps from ...
silvan's user avatar
  • 131
11 votes

How to make OpenVAS listen on an external interface?

openvas-stop gsad --listen= openvas-start From any client machine try https://kali-ip/ Enjoy accessing openvas web
Guru Murthy's user avatar
11 votes

What happens if you delete all secure boot variables?

Secure Boot should not prevent booting from a USB drive per se, although it should prevent booting an unsigned boot loader from any disk. I don't happen to know offhand if Kali provides a signed or ...
Rod Smith's user avatar
  • 21.6k
10 votes

Why don't you use root for browsing the internet

Kali linux is not meant as a general purpose OS. Its meant to be a standardised platform for deploying specific scripts to do various tasks. Its one of these Very good at what it does. Just not ...
Aibobot's user avatar
  • 957
9 votes

Change number of CPUs in VirtualBox is disabled

You can find the workaround here: How do I enable multiple cores in my virtual enviroment?. To enable more than 1 CPU in your VM the following settings are needed in addition: 64-bit virtual guest ...
user551783's user avatar
9 votes

How to reset Kali linux root password

Assuming you are using Kali Linux 1.0, Press "e" to edit Grub Menu. Find the line starting with "linux". Change the "ro" with "rw" and add "init=/bin/bash" after "quiet". Press F10. You will get "root"...
Krishna Pandey's user avatar
9 votes

Kali for Raspberry Pi 3: exploitdb update hangs and does nothing

I had this exact issue on NetHunter. But googling the problem wasn't useful and only resulted in a lot of unanswered threads. I'll list my solution here and hope it also works for non-NetHunter ...
Snappie's user avatar
  • 191
9 votes

How to reset kali linux password in windows subsystem for linux

I appreciate this is an older question but I wanted to provide the answer based on Microsoft guidance as I stumbled across this and knew there had to be a better way. This is based on the article ...
Mike V.'s user avatar
  • 91
9 votes

Incorrect password on first login to Kali Linux in VirtualBox

username: kali password: kali note: qwerty keyboard by default
destelle's user avatar
8 votes

Security Violation on boot off Usb

Your BIOS has secure boot configured. This is a newer feature introduced with EFI that allows installed operating systems to "register" themselves with the bios. The bios will then only allow those ...
Cliff Armstrong's user avatar
8 votes

Kali linux failed after upgrade

Ok here is the fix that worked for me: My box was running live when I did this. First download deb to another host: wget http://ftp.us.debian.org/debian/pool/main/libi/libidn2/libidn2-0_2.0.5-...
Stigs's user avatar
  • 81
7 votes

How to set system time on Kali linux?

if you have the npt > apt-get install ntp. You must stopping or uninstalling the service doesn't help. timedatectl set-ntp 0 (off > sync disabled) or timedatectl set-ntp 1 (on > sync ...
Milor123's user avatar
  • 145
7 votes

Kali Linux Rolling - apt-get upgrade: failed to fetch 404 not found

I used deb http://repo.kali.org/kali kali-rolling main non-free contrib deb-src http://repo.kali.org/kali kali-rolling main non-free contrib for sources instead of the original ones. It worked like ...
dimitrios1988's user avatar
7 votes

Kali linux 2.0 failed to connect to lvmetad.Falling back to device scanning

(from: https://www.pckr.co.uk/arch-grub-mkconfig-lvmetad-failures-inside-chroot-install/ ) try first to disable lvmetad from /etc/lvm/lvm.conf and set use_lvmetad = 0 I had a similar problem on my ...
bitfede's user avatar
  • 71
7 votes

How to make a bootable windows USB in Kali Linux

There is an easier way coming built in with kali linux. Just Browse to the windows iso location Right click on iso Open with other appalication select Disk image writer select your usb device from ...
D3M0NBL00D's user avatar
7 votes

Wireshark won't launch, Segmentation Fault, Kali Linux

I had this same error with version 2.2.5, I ended up completely removing wireshark sudo apt-get remove wireshark I then reinstall the qt version which seemed to fix it, though I am not sure why ...
DSMTurboAWD's user avatar
7 votes

How do I disable the screensaver/lock in kali linux?

Problem Kali Linux keeps locking the screen when not used for a short period of time Solution You need to configure "Light Locker" to stop automatically locking the session. Steps Click the icon ...
brakertech's user avatar
7 votes

install the grub boot loader on a hard disk` failed on my pc

here is a simpler fix: 1- go back to the previous window where you chose 'network mirror' 2- change 'yes' to 'no' 3- the issue should be solved, and you should be able to carry on with the ...
Waddah's user avatar
  • 171

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