Questions tagged [hash]
Questions related to hashes, hash values or hash codes that are returned by hash functions such as MD5, SHA-1 and SHA-256 and provide a simple way to check the integrity of a download.
72
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what can be causes of errors in apt hashes, down to details? [duplicate]
I've got in my GUI notification, that new APT updates are ready.
When I have run apt upgrade, I got several error messages, similar to described here. However difference is that hash errors were ...
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-1
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1
answer
25
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Applying Encryption and Hshing Algorithms for Secure Communication
I'm trying to copy a file from the student's account for its gpg but when I try to type in the path all I get is this result I have tried everything, and this lab is due tomorrow.
cp / home/Instructor/...
0
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1
answer
504
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SSL routines:SSL_CTX_set_cipher_list:no cipher match
I have Ubuntu=20.04 server running (Openssl=1.1.1t & nginx=1.21.6). I allowed ssl ciphers as
cat nginx.conf | grep -i ssl_ciphers
ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-...
- 11
1
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0
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37
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Error wanting to install ubuntu 23.04
I want to install ubuntu on my HP laptop, victus model, and when I start the installer, I get the following error:
pc specs:
R7 5800hs
Rtx3050
NVME Samsung MZVL2512HCJQ
- 11
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1
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197
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What's the point of verifying downloads against the sha256 hash? [duplicate]
Just out of curiosity - Ubuntu and other Linux distributions tell users to verify downloaded .ISOs against the SHA256 hash of the .ISO.
1 - Since the SHA256 hash value is hosted on the same website as ...
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66
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Is there a way to generare a hash for all partitions that contain information with only 1 command?
I have a disk with sdb1, sdb2 and sdb3. I want to generare a hash for all partitions that contain information (excluding partition tables and other special partitions). sdb1 is empty, so I need a hash ...
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2
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1
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124
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Reoccurring Hash Problem Using `apt` on Jammy
# apt update
...
E: Failed to fetch store:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_jammy-security_universe_binary-amd64_Packages.xz
E: Failed to fetch store:/var/lib/apt/lists/...
- 255
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1
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802
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How does Ubuntu's install CD file integrity self-check work (checksum, corrupt, digest)
How does the Ubuntu Install disk verify its own integrity after boot and before install?
I'm very familiar with the process to do a manual check of the integrity of a Linux distro's .iso file with a ...
- 297
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2
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401
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need help MD5sum hash
Guys I have a question I have a txt file full of names and I want to hash to md5sum for all the names in the txt at once with one by command Can you help with that and thanks in advance.
Thank you ...
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1
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58
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In Thunar, how are bookmarked folders hashed to create the accelerator shortcut in accels.scm?
Thunar's accels.scm file contains hashed values for each of my bookmarked folders. For instance, let's say I have the following folder bookmarked:
/home/<username>/Personal/
If I open up the ...
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1
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Index of /ubuntu/dists/focal-updates/main/cnf
how do i get the old version of ubuntu focal-updates main cnf file on 12 January, 2022 as the size and hash-256 varies.? I need to get the exact hash 256 key and file size and not latest show in ...
1
vote
1
answer
210
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Progress bar / Loading icon whilst creating an MD5 hash for a USB
I'm trying to create a progress bar or some sort of loading icon to show that a hash is being created, instead of a blank screen with nothing happening... This is what I have so far:
if [[ $hashing != ...
- 21
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1
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475
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How do I echo a string to a file and call a function to hash it in the same function?
I'm trying to create a function where I pass in 2 variables. First a string to be hashed, and then a variable to specify the kind of hash, md5 or sha1. This is the function I created:
hashedWord () {
...
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2
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2
answers
13k
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Hcxpcap tool missing?
I have Ubuntu 20.04 installed on my laptop.
I was using hcxdumptool to capture pmkids.
After i captured them. I wanted to filter the output using hcxpcaptool, but i found that "Command Not Found &...
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1
answer
2k
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Find hash of apt-get package already installed
i have already install package using apt-get install. I want to know the hash MD5 so that i can make sure it is the same software exactly in other laptops i install. What command will show me the hash ...
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1
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Apt-get update fails after installing Ubuntu 20.04 [duplicate]
I just installed Ubuntu 20.04 on a laptop previously running Ubuntu 19.04. The complete "Erase disk and install Ubuntu" option was used and the installation medium was a USB stick.
The first ...
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1
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Change hash method
Good morning, everyone,
Do you know if it is possible to change the password hash method? Instead of DES, MD5, SHA256, SHA512 or other, I would like to be able to use bcrypt or argon2 for example.
...
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2
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548
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Store sha256 hashes into relatives files
I would like to generate sha256 hash for each log file in a folder and store that hash in a file named by the original file name suffixed with ".sha265" int he same folder.
For example, I ...
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1
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1k
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Ubuntu Hash Sum Incorrect [duplicate]
I tried to install:
Ubuntu 20.04
Xubuntu 20.04
Kubuntu 20.04
But, post install on execute sudo apt-get update, I received the message "Hash Sum mismatch"
What is the problem?
I tried:
apt ...
1
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0
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981
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How to bypass Hash Sum check for apt-get update
I have ubuntu 16.04 based vms and dockers using mssqlserver driver 17. Installed the classic way
curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add -
curl https://packages....
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1
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How to find a file from the hash?
How do I find the file from given Hash value in Linux?
Please note that I don't want to find the hash value of a file, I need the opposite of that.
2
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verifying ubuntu hashes for 19.10
I'm behind a proxy, and dirmngr doesn't seem to honour the http_proxy rules. So i'm doing these steps
download sha256sums.gpg and sha256sums from ubuntuhashes
gpg --verify sha256sums.gpg sha256sums
...
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1
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How to use hashed passwords with netplan (for wpa2 enterprise) instead of plain text passwords?
I have a question concerning this post How do you configure Netplan on Ubuntu to store 802.1x credentials securely?
Because I am a nooby, I don't have the reputation to comment on posts and creating ...
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1
answer
208
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Checksums aren't martching for kubuntu
I have downloaded kubuntu 18.04.2 from here. I verified ISO by sha256 checksums, surprisingly they are different.
The sha256sum for ISO:
...
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4
answers
3k
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change many file names to hash (sha256)?
I have a bunch of video files where all the file names are un-useful gibberish.
1) Is there an easy command to change the names of all the files in a folder to a hash, like (sha256).mp4? I don't want ...
- 11
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0
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137
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hashed password of encrupted pdf
I try to understand the meaning/name of individual strings which are separated by '*' in the following pdf hash.txt , but I can't get any description,,,Is there anybody to help please!?
MyPDF.pdf:$...
- 1
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1
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265
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hash doesn't show me a list of Bash commands
I read in the O'reilly Bash book (third edition, 2005) what I understood as that if I'll execute hash I'll see a "hash table" with a list of all possible Bash commands plus all commands common to most ...
user423047
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119
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Migrating servers
For my sins I am assisting a friend in migrating from a 10 year old SuSE mail server to one running Ubuntu-18.04.
One of the things I need to do is migrate over about a dozen or so users--several of ...
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0
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57
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Where is the authoritative location for new Ubuntu releases? [duplicate]
An AWS droplet running Ubuntu is now reporting itself as Ubuntu 16.04.5 LTS but I find no reference to this version on ubuntu.com. The latest version is showing as 16.04.4 (http://releases.ubuntu....
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2
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10k
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Hash Sum mismatch error when trying to upgrade [duplicate]
I am getting this error when trying to upgrade:
E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/l/linux-firmware/linux-firmware_1.157.15_all.deb Hash Sum mismatch
To check what is ...
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2
answers
17k
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Error CL_PLATFORM_NOT_FOUND_KHR in running HashCat 4.0.1
I've downloaded HashCat 4.0.1 form its official website. Running it show following error:
root@mstehr:~/hashcat-4.0.1# ./hashcat64.bin -I
hashcat (v4.0.1) starting...
clGetPlatformIDs(): ...
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2
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3k
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Acceptable Hashes by shadow
What hash algorithms does /etc/shadow accept?
I've tried generating password hashes from PHP, using password_hash("password1234", PASSWORD_DEFAULT);, but that doesn't seem to work when I try to ...
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2
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1
answer
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What packages in Ubuntu repositories provide BLAKE2 sums on 16.04?
I am looking to calculate BLAKE2 hashes for files on my Ubuntu 16.04 machine. I would like something similar to md5sum or sha512sum for BLAKE2, however have not found a package in the Ubuntu ...
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1
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How can I verify Lubuntu ISOs? [duplicate]
I want to download and verify the ISO of lubuntu. The problem is I can't find a secure channel in the first place. The official ISO here is being downloaded with http (not https). Of course I can ...
- 143
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1
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816
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hashdeep with sha1 and sha1sum create different results
I computed a sha1 hash of the file '/etc/mtab' with hashdeep on Ubuntu 16.04. Then I computed a sha1 hash of the same file with sha1sum. And I got a different hash!
When computing hashes for other ...
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4
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1
answer
17k
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Ubuntu 16.04 LTS Failed to fetch / Hash Sum mismatch [duplicate]
Here's what I keep getting when I sudo apt update
Hit:1 http://archive.canonical.com/ubuntu xenial InRelease
Ign:2 http://dl.google.com/linux/chrome/deb stable InRelease
Get:3 http:...
1
vote
1
answer
260
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Changing between keymappings leading to defective keys - custom mappings a solution?
Original title: Losing the # key after swapping between keymappings
When I swap between to key-mappings, I seem to lose the functionality of several keys. This seems to affect the hash symbol (...
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1
answer
6k
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How to increase the number of hashing rounds for /etc/shadow?
I usually use long passwords for my machines, but I heard that it's possible to increase the number of hashing rounds and get the same security with a shorter one. How would I make my system use more ...
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3
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792
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How to protect from CIA #Vault7-like attacks into Linux from Windows
Linux is compiled from open-source and thousands of developers would spot any malicious source code. However many Linux users dual boot Windows and malware / spyware / "spook"ware (CIA) software could ...
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3
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27k
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authconfig: command not found ubuntu
I'm trying to use hashcat to validate a hashing algorithm but keeping this error when using authconfig command.
error: authconfig: command not found ubuntu
Am I missing something? I haven't ...
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1
answer
32k
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"hash sum mismatch" error when doing update [duplicate]
I have just installed 16.04 LTS. However, I cannot update.
$ sudo apt-get update
Fetched 34,3 MB in 1h 51min 52s (5.110 B/s)
Reading package lists... Done
E: ...
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1
answer
215
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Why are there no gpg signed hashes for the mini.iso
None of the gpg-signed files I've found containing hashes for various ubuntu iso files contain a hash for the mini.iso files. The only hashes for the mini.iso files I've found are plain md5sums on the ...
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1
answer
4k
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How do I generate a 'Hash-Code' for a document or photograph?
I want to generate a 'Hash-Code' for a document and a photograph.
How do I do this please?
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1
answer
557
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How are password hashes compared?
I was doing an exercise today, which includes creating a new user by manually editing /etc/group ; /etc/shadow ; /etc/passwd
Now, referring to /etc/shadow, I had to create password hashes. I used ...
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1
answer
583
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Ubuntu partitioning and hashing
I need to split up Ubuntu in two partitions: one partition that contains all the files that do not change over time, for instance because of changes in the date/time and logins, and another partition ...
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1
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How do I update shadow file password hashes after changing the encryption method?
I had gone through with this link.
Suppose my current-encr is SHA-512, SHA-256, or another, the password hash would be stored (in /etc/shadow) of the user based on the current encr and would use ...
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1
answer
100
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Where can I locate legacy hashes for older minor releases? [closed]
I need md5sum or sha1sum hashes for version Ubuntu 14.04.3 Can someone please help me locate them?
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355
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Steam hash sum mismatch and invalid file format errors
I have Steam Beta installed, and when I just ran:
sudo apt-get update
I got the following output:
Ign http://security.ubuntu.com vivid-security InRelease
Ign http://gb.archive.ubuntu.com vivid ...
user364819
2
votes
2
answers
4k
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Why hash file are always different in openssl aes-256-cbc output files?
I tried to encrypt file using this command:
openssl enc -aes-256-cbc -in $infile -out $outfile -pass file:$keyfile
For the same input file, Why the output files has different hashes.
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1
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95
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How to file a bug report against Ubuntu in general?
I am wanting to file a bug report against Ubuntu in general, because I have noticed that the Ubuntu security hashes provided, are only MD5sums, and as for security reasons MD5 is being phased out, it ...
user364819