linux-server | source code of & quot ; Linux High Performance Server

 by   Hansimov C++ Version: Current License: No License

kandi X-RAY | linux-server Summary

kandi X-RAY | linux-server Summary

linux-server is a C++ library. linux-server has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

Notes and source code of "Linux High Performance Server Programming" and "Linux Multithreaded Server Programming: Using muduo C++ Network Library", as well as two lightweight server project codes

            kandi-support Support

              linux-server has a low active ecosystem.
              It has 199 star(s) with 52 fork(s). There are 4 watchers for this library.
              It had no major release in the last 6 months.
              linux-server has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of linux-server is current.

            kandi-Quality Quality

              linux-server has no bugs reported.

            kandi-Security Security

              linux-server has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              linux-server does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

              linux-server releases are not available. You will need to build from source code and install.

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            linux-server Key Features

            No Key Features are available at this moment for linux-server.

            linux-server Examples and Code Snippets

            No Code Snippets are available at this moment for linux-server.

            Community Discussions


            How to run my Python script with Anaconda environment in crontab?
            Asked 2021-Jun-09 at 10:37
            • I want to scedual a task with crontab to run a python file in a specific anaconda environment every day at a certain time.
            • I also have a python script to do so.
            • The pythons script runs if I jsut execute it with python in the anaconda evoronment in terminal. is in the home directory
            • I am usaing Ubuntu 20.04, and i havent refreshed on intalled any new cron or crontab
            • I have tried the following commands to get it work but they just do Nothing (the result should be a folder and it is learly not has been created)


            Answered 2021-Jun-09 at 10:37

            If the Python file only need python (not other library)



            Issues with encoding when loading csv-file in RShiny
            Asked 2021-Apr-13 at 15:03

            I have a shinyapp deployed on a local linux-server, and I got problems when importing a csv-file.

            That is to say that I want to import this file and render it as table,

            but instead it only gives me this:

            So, basically the import stopped when an unknown letter appeared: µ.

            The log-file shows me the following warning:



            Answered 2021-Apr-13 at 15:03

            Answer: i used the wrong encoding, so my code was correct apart from that. So for everyone who might at some point stumble over this post. Just make sure that you are really using the correct encoding before spending too many hours trying to find your bug in the code.



            SSO with NodeJS on Linux Server in Windows domain
            Asked 2021-Jan-30 at 11:34

            I know that people have asked similar questions, such as this, however I've not found an answer on here, now if there is an answer to this problem, by all means correct me & I'll delete my question, or whatever! 🙂

            Potential Options

            From what I've read up online, a potential would be to use something like kerberos and/or spenago, keep in mind I'm no expert on these tools/subject matters. But I was wondering if there was any other potential options? - I know if I do go down the route of kerberos, I have no doubt that it'll require some tinkering, maybe some trial & error, I'm not sure, currently I'm still looking at what my options are.

            If you guys think that the kerberos route may be my best bet, then could you guys point me in the direction of some example(s) on how I can get up & running?

            In the ideal world I'd be able to just use some NPM package that just allows me to do this out of the box, but I've also found nothing that could allow me to do this.



            Answered 2021-Jan-30 at 11:34

            So, after doing much research with one guy that I work with, we finally found a solution that seems to work for us. I won't go into too much detail here, if you want to read more into it, then you can find that I've started to write up more about it on my own website, here. 🙂

            I'm not doing that to be lazy, but due to the fact that if I tried to cram everything into this answer, then I feel that it would be like reading an essay.




            BASH with sshpass send same command to multiple servers based on list of servers?
            Asked 2020-Sep-09 at 13:27

            Hi I have the following "script" below which works fine.



            Answered 2020-Sep-09 at 13:27

            If you are unsure about the availability of Bash, or another shell which knows about arrays; you can adapt your code to iterate over your server lists with the POSIX available grammar (no array):



            Choose correct module for import when multiple versions are installed
            Asked 2020-Sep-03 at 23:55


            On a provided Linux-server without root access I am bound to preinstalled Python-packages (e.g. cannot upgrade them).
            However, I am able to install a package directly from a wheel (.whl) by using pip3 install /path/package_name --user which will install the package to a site-package-folder preserved to my user.

            In my special case I want to upgrade the scikit-learn-package. This package is already preinstalled and I cannot upgrade it (root access missing), however, I can install the newer version in the --user-folder.

            In the filesystem I can see that both installations are now present in their respective folders. Both paths are known to python (checked by using sys.path).


            When I import scikit-learn via import sklearn and print the version (sklearn.__version__), I'll always end up with the preinstalled version and not the new one I installed in my --user-directory.

            Given two installations of the same module with a differing version: How can I define in Python during the import which module/version to load?

            The premise is that I cannot disable/uninstall the old version (root access again..).



            Answered 2020-Sep-03 at 18:56

            Thanks to @0 0 I was able to figure out the solution as well as a workaround:


            When I compared sys.path with the defined PYTHONPATH in the shell (the PYTHONPATH initializes sys.path like answered here on SO) I saw that the PYTHONPATH did not know about the --user-folder (even though sys.path knew - this puzzles me a bit).

            Thus, I added to my .bashrc:



            DPDK application test-pipeline fails in app_ports_check_link
            Asked 2020-Jul-02 at 09:20

            Test Setup: Linux-Server-1 Port-A <==> Port 1 DPDK-Server-2 Port 2 <==> Port B Linux-Server-2.

            Steps Followed:

            1. The physical links are connected
            2. Devices bound to DPDK:


            Answered 2020-Jul-02 at 09:20


            1. Running ethtool -while application is down is not a trusted way. Depending upon DPDK version rte_eth_dev_closeorrte_cleanup` would not have put the NIC in the right state.
            2. But while running the application, if DPDK port-1 is coming as down following can be reason

            a. Server-3 port might be auto-negotiating with DPDK port-1 leading to rte_eth_link_get_nowait to report as down. (right API is to invoke rte_eth_link_get). b. The Server-3 port might manually be configured in non-duplex and non 10G mode.

            the right way to debug is to

            • put DPDK port back to the kernel as suggested in comments.
            • cross-check auto-neg and speed.
            • configure on server-1 and server-3 with no auto-neg, 10G, full-duplex
            • bind the server-2 port-0 and port-1 to DPDK.
            • run DPDK test-pipeline if possible with whitelist.
            • run ethtool -t for port-B on server-3 to cross the results too.

            note: this will help you identify if it server-3 ports driver/firmware which acts differently with auto-neg as the ports are sending and receiving packets is successful with example/skeleton with command $RTE_SDK/examples/skeleton/build/basicfwd -l 1

            [EDIT-1] based on the update from the comment it looks like rte_eth_link_get_nowait is the fast approach, the right one is to be used with rte_eth_link_get. Requested for online debug with the author

            [EDIT-2] based on the comment rte_eth_link_get has done the desired job. As I recollect rte_eth_link_get wait for the actual readout from physical device registers, while rte_eth_link_get_nowait is invoked without wait. hence the right values are populated for rte_eth_link_get.



            Webdrivers not working with Selenium (Python)
            Asked 2020-May-15 at 20:57

            I have tried various SO solutions on going about this. System Config:

            • MacOS Catalina
            • Python 3.7.6 (Anaconda)
            • Selenium 3.141
            • Chrome v81, ChromeDriver v81.

              Error: Can not connect to the service chromedriver.

            I have tried the same with various driver and browers: Gecko/Firefox(Fresh install), Safaridriver/Safar - all with the same error.

            The chromedriver, geckodriver are in PATH as well as usr/local/bin.

            Code to reproduce:



            Answered 2020-May-15 at 20:57

            While experimenting to make this work, I somehow messed up while creating venv and docker images. Python as a whole got corrupted, along with chrome drivers. Had to reset the system.

            That somehow has solved my problem with selenium. If anyone else finds the answer to this bug, be sure to drop your solution.

            Until then, this was my update about how I got it working.



            SSO with SAML, Keycloak and Nextcloud
            Asked 2020-Jan-06 at 23:23

            I am trying to setup Keycloak as a IdP (Identity Provider) and Nextcloud as a service. I want to setup Keycloak as to present a SSO (single-sign-on) page.

            I am running a Linux-Server with a Intel compatible CPU. What is the correct configuration?



            Answered 2020-Jan-06 at 23:23

            To use this answer you will need to replace with a actual domain you own. Also replace with your working e-mail address.

            It is assumed you have docker and docker-compose installed and running.

            Setup your services with Docker

            In addition to keycloak and nextcloud I use:

            • nginx as a reverse-proxy
            • letsencyrpt to generate the SSL-certificates for the sub-domains.

            I'm setting up all the needed service with docker and docker-compose. This is how the docker-compose.yml looks like this:



            configure nodejs api using pm2 apache
            Asked 2019-Nov-25 at 11:29

            I have nodejs app running on centos 7 using pm2

            on server when I run



            Answered 2019-Nov-25 at 11:29

            after spending hours :(, finally this one solved it



            In bash, when string is matched removed everything related to that string (several lines: above and below). How?
            Asked 2019-Oct-23 at 11:23

            I am working on a complete kickstart script for setting up servers and adding them finally to my Nagios configuration. Adding the newly created / kickstarted servers is not an issue, however how do I remove old ones (if they previously existed)?

            Current situation

            This is what I am currently using:



            Answered 2019-Oct-23 at 11:23

            Okay I managed to get it removed and hopefully it will help others.

            I am now using the follwing piece of code to replace a match based on the hostname used:


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


            No vulnerabilities reported

            Install linux-server

            You can download it from GitHub.


            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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