dhcp | DHCPv4 packet library , client and server | Runtime Evironment library

 by   insomniacslk Go Version: Current License: BSD-3-Clause

kandi X-RAY | dhcp Summary

kandi X-RAY | dhcp Summary

dhcp is a Go library typically used in Server, Runtime Evironment applications. dhcp has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

DHCPv4 and DHCPv6 decoding/encoding library with client and server code, written in Go.
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            kandi-support Support

              dhcp has a low active ecosystem.
              It has 554 star(s) with 135 fork(s). There are 15 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 26 open issues and 64 have been closed. On average issues are closed in 204 days. There are 11 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of dhcp is current.

            kandi-Quality Quality

              dhcp has 0 bugs and 0 code smells.

            kandi-Security Security

              dhcp has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              dhcp code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              dhcp is licensed under the BSD-3-Clause License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              dhcp releases are not available. You will need to build from source code and install.
              Installation instructions are not available. Examples and code snippets are available.
              It has 15809 lines of code, 1146 functions and 187 files.
              It has medium code complexity. Code complexity directly impacts maintainability of the code.

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            dhcp Key Features

            No Key Features are available at this moment for dhcp.

            dhcp Examples and Code Snippets

            Prints a DHCP packet .
            pythondot img1Lines of Code : 26dot img1License : Permissive (MIT License)
            copy iconCopy
            def print_packet(packet):
                # initialize these variables to None at first
                target_mac, requested_ip, hostname, vendor_id = [None] * 4
                # get the MAC address of the requester
                if packet.haslayer(Ether):
                    target_mac = packet.getlayer(  
            Print DHCP packet .
            pythondot img2Lines of Code : 21dot img2License : Permissive (MIT License)
            copy iconCopy
            def print_packet(packet):
                target_mac, requested_ip, hostname, vendor_id = [None] * 4
                if packet.haslayer(Ether):
                    target_mac = packet.getlayer(Ether).src
                # get the DHCP options
                dhcp_options = packet[DHCP].options
                for item in  
            Listen for DHCP packets .
            pythondot img3Lines of Code : 3dot img3License : Permissive (MIT License)
            copy iconCopy
            def listen_dhcp():
                # Make sure it is DHCP with the filter options
                sniff(prn=print_packet, filter='udp and (port 67 or port 68)')  

            Community Discussions

            QUESTION

            Reading file would overwrite reserved memory. Failed to load 'hello_world.bin
            Asked 2022-Apr-01 at 19:14

            I have imx7d-pico with Carrier board. This tiny computer was used a lot for Android Things. PDF (datasheet) easily found.

            I stay (during the last two weeks) trying this tutorial: https://github.com/TechNexion/freertos-tn/tree/freertos_1.0.1_imx7d

            ...

            ANSWER

            Answered 2022-Apr-01 at 19:14
            I solved with two changes in device-tree files:
            
            in imx7d.dtsi
            I put status = "okay";
            in rpmsg: rpmsg{
            
            in imx7d-pico-pi-qca-m4.dts
            I put:
            
            reserved-memory {
                    rpmsg_vrings: vrings0@0x8ff00000 {
                        reg = <0x8fff0000 0x10000>;
                        no-map;
                    };
                };
            
            &
            
            &rpmsg{
                memory-region = <&rpmsg_vrings>;
                vdev-nums = <1>;
                reg = <0x9fff0000 0x10000>;
                status = "okay";
            };
            

            Source https://stackoverflow.com/questions/71073386

            QUESTION

            PowerShell merging data from multiple CSVs
            Asked 2022-Feb-07 at 14:25

            I have a bunch of CSV files containing information about DHCP scopes (100+ files, one for each server). I wish to merge the data from all into a new table. There are ways to merge the CSVs but that's not good enough, because one the most important piece of information is not included inside the individual CSV files...that of the server name. The server name is coming from the filename itself. Hence the approach to build a new table.

            My issue is that the properties for SubnetMask, StartRange, EndRange, ScopeID and State are being output in the same "cell". I managed to do it for the ScopeName (i.e. managed to get one ScopeName per line), but not sure how to approach the rest.

            ...

            ANSWER

            Answered 2022-Feb-07 at 14:25

            You can use a calculated property with Select-Object to add the file's Name as a new column of your Csv:

            Source https://stackoverflow.com/questions/71016791

            QUESTION

            Date formatted using ToString() with a custom format results in inconsistent output
            Asked 2022-Jan-25 at 11:55

            with a powershell script I'm exporting a list of all the DHCP Servers that exists and the scopes on the Server. The results has to be parsed in a second script in python. (Thats a system for our monitoring).

            Here's the script:

            ...

            ANSWER

            Answered 2022-Jan-25 at 10:29

            The DateTime.ToString() method treats the forward slash and the colon as format specifiers. This means that they can be replaced by locale-specific characters.

            From the documentation:

            The "d", "f", "F", "g", "h", "H", "K", "m", "M", "s", "t", "y", "z", ":", or "/" characters in a format string are interpreted as custom format specifiers rather than as literal characters. To prevent a character from being interpreted as a format specifier, you can precede it with a backslash (), which is the escape character.

            To enforce a fixed format just escape these characters by backslashes:

            Source https://stackoverflow.com/questions/70845153

            QUESTION

            Yocto WiFi configuration for automatic connection at boot time
            Asked 2022-Jan-05 at 04:09

            I am trying to establish WiFi connection on my Avenger96 (based on 96Boards STM32MP157) board. Goal is to automatically setup WiFi connection during boot time so that there is no need to manually configure WiFi after every boot.

            Steps I have done:

            1. Added network section in wpa_supplicant.conf-sane as shown below: poky/meta/recipes-connectivity/wpa-supplicant/wpa-supplicant:

              ...

            ANSWER

            Answered 2022-Jan-05 at 04:09

            The error unknown global field 'passphrase must be 8..63 characters' is confusing.

            If the passphrase is correct, then I think some configuration file consists of exactly the same string passphrase must be 8..63 characters instead of some useful value and hence the error unknown global field 'passphrase must be 8..63 characters.

            You can search and validate the same using grep -rn "characters" /etc/ and remove the string from the configuration file that contains passphrase must be 8..63 characters.

            Source https://stackoverflow.com/questions/70572088

            QUESTION

            Loop over multiple JSON arrays to filter the relevant JSON object based on a key value in Ansible
            Asked 2021-Dec-29 at 06:50

            I am trying to loop over 2 different JSON array and filter only if the 2 key values are same.

            I am comparing cidr from po-orig.json/po file and subnet from pocooling json. If the key values are same in both file, then print the pertaining details of pocooling json file as a list.

            ...

            ANSWER

            Answered 2021-Dec-28 at 19:45

            QUESTION

            Multiple IPs from ISP with DHCP. (OpenWRT or iproute2, macvlan???)
            Asked 2021-Dec-02 at 20:40

            Problem: I want 2 IPs so that I can run two servers on my LAN. Apparently my ISP doesn't allow static IPs and I need to use DHCP to obtain my second IP.

            What I have learned so far:

            1. In order to get two distinct IP addresses with DHCP, you need two different MACs (or client IDs?)
            2. You can't have two MACs on a single interface, so you need to put your internet facing interface into promiscuous mode and somehow get that traffic to a virtual interface with its own MAC.
            3. Once the traffic gets to my virtual interface, I can just assign it to WAN firewall zone (OpenWRT thingie, not so important) for ez profit.

            But here is the hard part: In order to separate my LAN from WAN there is by default two different VLANs configured in OpenWRT. LAN VLAN is eth0.1 and WAN VLAN is eth 0.2.

            The final question is: How do I configure my system? Do I put eth0 in promisc or eth0.2 or both? Or is my premise completely wrong? How do I create the said virtual interface? Below is my ip addr extract.

            ...

            ANSWER

            Answered 2021-Dec-02 at 20:40

            QUESTION

            I worked on a private repo in GitHub then made it public. Can I make my activity visible?
            Asked 2021-Nov-14 at 16:23

            I had a private repo for 6 months that I worked on. Today I finally made it public after submitting a paper. Is it possible to make the activity (those green square) visible? I tried clicking on contribution setting and got the message Visitors will now see your public and anonymized private contributions, but the activity still doesn't show.

            Update 1:

            I noticed that only changes I did on GitHub (the website rather than pushing code from my machine) were recorded. That is, only the readme file shows as I often updated it on the website.

            Update 2:

            I ran git --no-pager log -s --format="%ae" to see which emails were used for the commits and got the following: Some emails are the primary email under GitHub, some are of the form 43555163+Penguin@users.noreply.github.com, some are Penguin@Penguin-MacBook-Pro.local, some are Penguin@econ2-204-32-dhcp.int.university_name.edu.

            Also, as I mentioned in one of the comments below, if I go to my repo and specifically look at commits I can see something like: Penguin authored and Penguin committed on May 27 1 parent 1d71ac3 commit cb95c2870de67383ee653849b4c7b40a062f5fd3. But this does not show on my activity.

            Lastly, some comments mentioned creating a new repo on GitHub and pushing my previous commits (after filtering the emails somehow which I didn't quite understand). However, I already have several Stargazers on this repo and would like to keep them. By making a new repo I believe these will disappear.

            Update 3:

            I used git filter-repo to change all the emails to my primary email and now all my previous commits emails appear to be my primary email when I call git --no-pager log -s --format="%ae". However, I still don't see the activity showing. For example, if I go to my repo I can see that one of the commits says Penguin authored and Penguin committed on Apr 8, but this doesn't show in the activity.

            ...

            ANSWER

            Answered 2021-Oct-11 at 22:43

            Contributions should still be shown in that case. Here are some of the reasons your contributions might not be being shown:

            • GitHub isn't aware of the email address you used in your commit messages

            • The commit wasn't made in the default or gh-pages branch

            • The repo is a forked repo, not a standalone repo

            GitHub also mentions that it will not show commits that were made less than 24 hours ago, so it seems like they have some sort of caching mechanism going on with their contribution graph. It may help to wait 24 hours since you made the repo public, to ensure that cache has a chance to roll over.

            Source https://stackoverflow.com/questions/69533161

            QUESTION

            how to install Qemu guest agent on the domain - for KVM network
            Asked 2021-Nov-13 at 11:30

            I am trying to deploy VM via terraform on KVM.

            I want my VM to get an IP in the Host network, my host is 10.100.86.180. so I am using Bridge (which works well when I deploy VM manually)

            but with terraform- it can't get an IP after "terraform apply",

            what am I doing wrong?

            here is my main.tf :

            ...

            ANSWER

            Answered 2021-Nov-13 at 11:30

            how can I install the Qemu guest agent on the domain?

            Source https://stackoverflow.com/questions/69879813

            QUESTION

            standard_init_linux.go:207: exec user process caused "exec format error" - Raspberry Pi 4
            Asked 2021-Nov-12 at 09:41

            I have a cluster of 4 raspberry pi 4 model b, on which Docker and Kubernetes are installed. The versions of these programs are the same and are as follows:

            Docker:

            ...

            ANSWER

            Answered 2021-Nov-10 at 16:28

            Posting comment as the community wiki answer for better visibility:

            Reinstalling both Kubernetes and Docker solves the issue

            Source https://stackoverflow.com/questions/69842421

            QUESTION

            Terraform redeploys EC2 instance
            Asked 2021-Oct-22 at 00:28

            I'm sure this one is an easy fix. I'm working with Terraform in AWS, deploying a VPC, Subnets, a Security Group (this looks like the issue) along with a single EC2 instance.

            Symptoms

            When deploying using terraform apply the first time everything creates as expected, however, immediately following up with another terraform apply or terraform plan shows that there are changes to the EC2 instance that required a redeploy of the EC2 instances. There are no changes to the underlying Terraform Code.

            Upon applying again the EC2 instance is redeployed as reported by a terraform plan.

            I would like this to not re-deploy every EC2 instance when running additional terraform apply commands. I'm not sure if it's possible, but I'm sure if it is it's something easy I'm just missing in the documentation.

            Terraform files vpc.tf ...

            ANSWER

            Answered 2021-Oct-22 at 00:28

            This probably happens because your security groups are incorrect.

            So it should be:

            Source https://stackoverflow.com/questions/69662102

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install dhcp

            You can download it from GitHub.

            Support

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            https://github.com/insomniacslk/dhcp.git

          • CLI

            gh repo clone insomniacslk/dhcp

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            git@github.com:insomniacslk/dhcp.git

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