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Questions tagged [checksum]

70 questions
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how i can read n first bit command output in windows batch file?

i use checksum command in my batch file and the output of command as follow : 69514a29dc44cd83b42658e917ed9baf *file.txt i want to return checksum only so i should store it in variable without file.txt…
Mohammad AL-Rawabdeh
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UDP pseudoheader

Is it true that in the UDP header 2 bytes store a checksum for verification purposes by the destination host, and that this checksum is generated from a pseudoheader? If this is true, then why does a pseudoheader even have to be created? Why not…
Wintermute
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need help on extracting a file when checksum matches

I need a help on untaring a file when checksum matches. Here is the scenario. i have a tar file and its check sum is dfsafdafsafasfsaf232, stored in a checksum file and need a script to match this checksum file and extract to specific folder when…
Bharathvn
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File is possibly corrupt - Checksum error when installing Win7

I've just built a new dev server. I am putting Windows 7 on it as I don't have a Server license and just picked up an OEM W7 Pro license. I am getting the message: The file is possibly corrupt. The file header checksum does not match the computed…
Sam
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dnf update: Cannot download, all mirrors were already tried without success. (all mirror 404)

I am trying to execute the dnf update command on almalinux 8.7 Before a few hours it worked properly, now all mirror gives 404. I examined the urls, and it seems, that in all repo the checksum in urls are changed. For example dnf update is trying…
g.pickardou
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OSSEC False Positive? Integrity Checksum Changed Again 3rd Time

I am concerned about an integrity checksum change message from OSSEC. I haven't seen this particular message before in the five years since this server has been running (not that I examine these messages closely after the initial period of the…
bxk-2596
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Win32 software to sync a file system to a FTP server using checksums?

The simple question is how do you sync a Windows file system to an FTP destination periodically while never checking the destination for change unless something bad happens and not relying on file size or date/time changes. Too many other…
Zachary Scott
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Novice btrfs user: checksum failures and input/output errors galore

A housemate suggested to me that I ought to use btrfs instead of what I've been doing up until now, which is using mdadm with cloned drives, and adding an extra drive into the array to "clone" a backup. The system has three drives, all physically…
Greg Nelson
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TCP checksum errors between linux apps and NICs

I'm writing an internet application and I'm at the stage of crafting my own TCP packets. Except there is a major problem. According to the TCPDUMP utility in linux, every tcp packet that I send out from any local application (like telnet and curl)…
Mike
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MD5 for Git's git-credential-osxkeychain executable?

This question copied over from Super-User, where it was apparently unwelcome. Anyway, asked and answered: I'm setting up a GitHub account and have downloaded Git's git-credential-osxkeychain executable via the Password Caching section of GitHub's…
QED
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