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How to install a device driver for Mellanox ConnectX-4 Ethernet card on Linux

http://ask.xmodulo.com/install-device-driver-mellanox-ethernet-card-linux.html

#linux #mellanox #nic #ethernet #sysadmin
Question: I installed a Mellanox ConnectX-4 Lx EN Ethernet card on my Linux server, but the NIC card is not recognized by the system. How can I install a driver for Mellanox ConnectX-4 NIC on [insert Linux distro]? Mellanox provides a wide range of high-speed interconnection solutions including Gigabit Ethernet cards and InfiniBand adapter cards. …Continue reading...
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Linux vs. Windows device driver model: architecture, APIs and build environment comparison

http://xmodulo.com/linux-vs-windows-device-driver-model.html

#linux   #windows   #kernel   #devicedriver   #programming  
Device drivers are parts of the operating system that facilitate usage of hardware devices via certain programming interface so that software applications can control and operate the devices. As each driver is specific to a particular operating system, you need separate Linux, Windows, or Unix device drivers to enable the use of your device on …Continue reading...
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Cacti is a popular network graphing tool widely used by many service providers. For those of you who have been using Cacti to visualize the performance of various elements of your network, it is sometimes necessary to migrate Cacti and all its graph datasets from one server to another. Why? The current server may be …Continue reading...
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Question: How can I create a bar graph (bar chart) using Gnuplot? A bar graph is a plot which visualizes data values using proportional-size bars. Bar charts are useful when you want to compare multiple items among different categories. As you can imagine, they are much more effective than a table of numerical data. This …Continue reading...
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Flow diagram of autoconf and automake

#programming   #foss  #development
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In this tutorial, we will examine the process of installing Zimbra mail server in CentOS Linux environment. Zimbra is my personal favorite when it comes to open-source mail servers as it comes with a number of useful features such as built-in calendar support, email filtering rules, a modern interface for both users and admins, spam …Continue reading...
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How to print “optimized out” value in gdb

http://ask.xmodulo.com/print-optimized-out-value-gdb.html

#linux   #gdb   #programming  
Question: I was debugging a program with gdb debugger. When I tried to print the value of a variable while tracing a function call, gdb says "<value optimized out>", not displaying the value. How can I show the value of an <optimized out> variable in gdb? Modern compilers such as gcc are able to perform …Continue reading...
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How to set up a self-hosted project management web app on Linux

http://xmodulo.com/self-hosted-project-management-web-app.html

#linux   #productivity   #opensource   #projectmanagement  
When a group of employees collaborate on a project, there is need for handling all aspects and complexities of the project from start to finish, such as task assignment, scheduling, budget management, communication, documentation, and so on. Thus a good project management tool is a necessity for any kinds of businesses or organizations which are …Continue reading...
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Have them in circles
2,527 people
boubacar moustapha's profile photo
Phillip Powell's profile photo
Matthew Hanna's profile photo
Scott Hendry's profile photo
catalin alin's profile photo
Sreekanth Pampana's profile photo
Alan Wong's profile photo
Vítězslav Žurek's profile photo
Esbuntu's profile photo
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Linux FAQs, tips and tutorials, covering server administration, Linux desktop environment, Linux open-source software and cloud services.