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How to enable logging in Open vSwitch for debugging and troubleshooting

http://ask.xmodulo.com/enable-logging-open-vswitch.html

#openvswitch   #virtualization   #datacenter   #opensource  
Question: I am trying to troubleshoot my Open vSwitch deployment. For that I would like to inspect its debug messages generated by its built-in logging mechanism. How can I enable logging in Open vSwitch, and change its logging level (e.g., to INFO/DEBUG level) to check more detailed debug information? Open vSwitch (OVS) is the most …Continue reading...
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RAHMİ Yildiz's profile photoFang Freeman's profile photo
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Vim is a versatile, lightweight text editor on Linux. While its initial learning curve can be overwhelming for an average Linux user, its benefits are completely worthy. As far as the functionality goes, Vim is fully customizable by means of plugins. Due to its high level of configuration, though, you need to spend some time …Continue reading...
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Kazem Ebrahimi's profile photoLawrence Beasley's profile photo
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Learning curves for common editors

#linux   #sysadmin   #vi   #emacs  
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juan rosario's profile photoRandolph Chaves's profile photoCody R. Phillips's profile photoVan Bivens's profile photo
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Emacs FTW.  Obviously a 3 dimention graph, as there are many things you could learn about in Emacs which you can't in notepad and vim. :-)
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How to install a Brother printer on Linux

http://ask.xmodulo.com/install-brother-printer-linux.html

#linux   #laserprinter    #sysadmin   #desktop  
Question: I have a Brother HL-2270DW laser printer, and want to print documents from my Linux box using this printer. How can I install an appropriate Brother printer driver on my Linux computer, and use it? Brother is well known for its affordable compact laser printer lineup. You can get a high-quality WiFi/duplex-capable laser printer …Continue reading...
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Anthony Assal's profile photoCody R. Phillips's profile photo
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How to access SQLite database in Perl

http://xmodulo.com/access-sqlite-database-perl.html

#sqlite   #database   #perl   #programming  
SQLite is a zero-configuration, server-less, file-based transactional database system. Due to its lightweight, self-contained, and compact design, SQLite is an extremely popular choice when you want to integrate a database into your application. In this post, I am going to show you how to create and access a SQLite database in Perl script. The Perl …Continue reading...
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How to edit your documents collaboratively on Linux

http://xmodulo.com/edit-documents-collaboratively-linux.html

#linux   #officesuite   #opensource   #productivity  
"Developed many years before by some high-strung, compulsive assistant, the Bulletin was simply a Word document that lived in a shared folder both Emily and I could access. Only one of us could open it at a time and add a new message, thought, or question to the itemized list. Then we'd print out the …Continue reading...
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TestUser OnlineNL's profile photoTymofiy Vlasov's profile photo
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How to enable SSL for MySQL server and client

http://xmodulo.com/enable-ssl-mysql-server-client.html

#mysql   #ssl   #mariadb   #sysadmin  
When users want to have a secure connection to their MySQL server, they often rely on VPN or SSH tunnels. Yet another option for securing MySQL connections is to enable SSL wrapper on an MySQL server. Each of these approaches has its own pros and cons. For example, in highly dynamic environments where a lot …Continue reading...
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Gilberto Valentin (Tito Valentin)'s profile photoGuddu Khan's profile photo
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Question: I want to run a Windows-based game in my Linux environment. For that, I would like use Wine/PlayOnLinux to install and run the Windows software on top of Linux. How can I install them on [insert your Linux distro]? Wine was developed as compatibility layer software for Linux, which allows you to run Microsoft …Continue reading...
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Jorge Taboada's profile photoJason Jang (wkd wowns)'s profile photo
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How to open multiple tabs in a GNOME terminal on Ubuntu 15.04

http://ask.xmodulo.com/open-multiple-tabs-gnome-terminal-ubuntu.html

#ubuntu   #desktop   #gnome  
Question: I used to be able to open multiple tabs inside gnome-terminal on my Ubuntu desktop. On Ubuntu 15.04, however, I can no longer open a new tab in my terminal window. How can I open tabs in gnome-terminal on Ubuntu 15.04? On Ubuntu 14.10 or earlier, gnome-terminal allowed you to open either a new …Continue reading...
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Edward Torvalds's profile photoAlexandre Doyer's profile photoJorge Taboada's profile photo
 
it does on mine :-)
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Cacti a fantastic open source network monitoring system that is widely used to graph network elements like bandwidth, storage, processor and memory utilization. Using its web based interface, you can create and organize graphs easily. However, some advanced features like merging graphs, creating aggregate graphs using multiple sources, migration of Cacti to another server are …Continue reading...
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Fang Freeman's profile photoPedro Marques's profile photo
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How to replicate a MySQL database on Linux

http://xmodulo.com/replicate-mysql-database-linux.html

#linux   #mysql   #sysadmin   #replication  
Database replication is a technique where a given database is copied to one or more locations, so that the reliability, fault-tolerance or accessibility of the database can be improved. Replication can be snapshot-based (where entire data is simply copied over to another location), merge-based (where two or more databases are merged into one), or transaction-based …Continue reading...
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Matthew Usher's profile photoFang Freeman's profile photoGrzegorz Świątek's profile photoDwiyan Galuh's profile photo
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Got a problem with hackers in Moreno Valley ca. Want to emphasize that a terrorist organization might behind this with hacking banks in California.. N.S.A might be looking for more to hire... 
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Raspberry Pi vs. Raspberry Pi 2 vs. CuBox: performance comparison

http://xmodulo.com/raspberrypi-raspberrypi2-cubox-performance-comparison.html

#raspberrypi   #cubox   #solidrun   #tinycomputer   #benchmark  
Ever since Raspberry Pi was introduced to the world, the consumer market for inexpensive, pocket-size mini computers has been growing rapidly. The huge popularity of these tiny computers in the mainstream stems from a variety of DIY projects powered by these affordable hardware, as well as many readily available open-source software packages. While the first …Continue reading...
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Linux FAQs, tips and tutorials, covering server administration, Linux desktop environment, Linux open-source software and cloud services.