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I've been taking notes with Cherrytree. After the upgrade to 20.04 Ubuntu, the snap no longer works via ./cherrytree in the bin folder I was excited to see there was a new Snap release so tried. Turns out the snap can't see the contents of my document.
Anyone advise me how I might get this snap past this state?
Traceback (most recent call last):
  File "./cherrytree", line 114, in <module>
  File "./cherrytree", line 78, in f_main
    import main
  File "/snap/cherrytree/12/share/cherrytree/modules/", line 22, in <module>
    import gtk
ImportError: No module named gtk
Hello people
anybody knows how give root privileges to multiping ?? I get this error
raise MultiPingError("Root privileges required for sending "
multiping.MultiPingError: Root privileges required for sending ICMP
mmm but I am using Multiping in a Django View
in the command line if I use sudo its okey , But when I call this fuction from my web I have this problem
Brian A.
what's the best way to clean up my boot/grub config?
@brjadams remove kernels (using a package manager) you don't use anymore

Hi there everyone! I'm trying to download kali linux on a virtual machine. Everything went well until I reached the point where I needed to verify the ISO.

In the instructions they say the output of $ shasum -a 256 kali-linux-2020.1-installer-amd64.iso should look like one the shasums on the table screenshot over here:

However, after going to the download page they provided in this link: , the images are under the name kali-linux-2020.1b-installer (not kali-linux-2020.1) and the shasums they provide look totally different than those on the table in the instructions.

one of the commands they provided in their instructions gave me this output ( wget -q -O - | gpg --import ):

gpg: key ED444FF07D8D0BF6: public key "Kali Linux Repository <>" imported
gpg: Total number processed: 1
gpg:               imported: 1

The example in the instructions however has (RSA) at the end.

Does this mean the ISO I have is malicious or is this just an update?

Sudheer Chowdary Divi
Does any one have idea for downloading the chrome driver based on browser version through shell script?
@sudheer_divi_twitter what have you tried?
Sudheer Chowdary Divi
@momozor i am getting the browser version and downloading the zip file through wget
i am unable to unzip the downloaded file
Hussam Al-Tayeb
@WebGearMT hello. 1) Why kali in particular? 2) a gpg signature does not verify files against corruption but rather authenticity.
try sha256sum kali-linux-2020.1-installer-amd64.iso
Also try downloading via rsync or a torrent as those "heal" file corruption.
Hussam Al-Tayeb
@vegegoku Nvidia doesn't offer support for release candidate kernels and 3rd party patches are oftend dodgy at best. So you may want to stick to your distribution's kernel. If you absolutely want to compile your own kernel, the latest lts kernel is often your best pick.
anyone around?
I'm setting up a new machine and it's been a while since using UFW. Can anyone advise me on what is a good set of rules to run?
I know only a little about setting up firewalls.... Enough to cause myself enough pain that I can't do any webdev. So suggestions or comments welcome.
deny all ports in ... right?
Think the only ports out that are necessary for my purposes are some web development ports: 80 and 8080, 443, 22, 23, 21, 53 and the related ipv6 settings. I don't use a mail client locally, only webmail.
What are things I need to consider?
Not sure what IPv6 ports those would be.
Hussam Al-Tayeb
@Hillsie the ports are the same on ipv4 and ipv6
also you should not block connecting to remote ports.
block connecting to local services that reply through those ports unless you need to connect to your PC from the outside.
there is no additional security from blocking applications from connecting to the internet at random ports. there is security from disallowing the "internet" to connect to your computer at random ports.
anyone know how to hide a file in linux without adding a . at the beginning?
Hussam Al-Tayeb
@moT01 no. you cannpt hide a file without a .at the beginning.
The main reason behind this is less filesystem interface confusion.
hello is anybody in here?
Hussam Al-Tayeb
@tylkosimon hi
that was an old message. do you still need help?
@hussamT what do you mean by filesystem interface confusion?
Hussam Al-Tayeb
@momozor uniformity with early UNIX file systems. New file systems operate the system so as not to break binary compatibility with userspace tools such as ls.
operate the same*
@momozor if you want a history lesson, the long answer is that .. was a shortcut to the parent directory and . was a shortcut to the current directory.
and userspace knew not to show those "shortcuts".
Hussam Al-Tayeb
and folders are technically files on UNIX/Linux (hence why an empty folder can expand from 4kbytes to 2000kbyes), it was decided to just hide file names starting with a dot . too
and modern Linux and linux filesystems stay compatible with that.
if you change that common interface, you break binary compatibility with userspace.
@momozor makes sense a bit?
good day, guys!
can I ask some stupid Ubuntu 20.04 question here?
I upgraded my Ubuntu to 20.04 today and just noticed, that shortcuts like ctrl + shift + smth doesn't works. How can I fix that? Life without ctrl and shift is useless, u know)
Hello guys! I currently use Clear Linux and it reboots automatically every time I shut down. How to fix it?
Hussam Al-Tayeb
@venkcy hi.
1 reply
@venkcy can you open a terminal window?
I can help you with that. just poke me when you have a terminal window open.