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  • ACLs: Extended file-permissions
    an ACL As said I don t want global read permissions I only want to enable a specific user apache to read my home directory Using setfacl I can do this setfacl m u apache rx home dennis This gives the permissions r read and x execute or in case of directories like here changing into to the user apache Instead of u for users you can also use g to specify a group Now the permissions look like this drwxr x 117 dennis dennis 4096 2009 06 29 15 54 dennis You can see that now the group field of the regular permissions also contain the permissions r and x One might think this isn t necessary but it actually is which I will explain a bit later Also you can see that at the end of the permissions a appeared ls uses this to symbolize the use of an ACL Using getfacl we can view the ACL getfacl home dennis displays file home dennis owner dennis group dennis user rwx user apache r x group mask r x other Now let s get back to the necessity of the permissions r and x in the group field If I remove those the output ofgetfacl looks like this file dennis owner dennis group dennis user rwx user apache r x effective group mask other It s important to note the additional output of effective which tells us that the user apache effectively has no permissions here Using the browser to access localhost dennis confirms this So If setfacl automatically sets any permissions Don t mess with them So now Apache has the necessary permissions to read my home directory Since inside this all permissions default to 755 I don t need to apply any ACL to public html Those of you who are paranoid or have a paranoid distro with all permissions inside their home directory set to 700 or 750 of course have to enable Apache to access public html just like shown above for the home directory So now we have learned how to set ACLs setfacl how to recognize their use in the ls output the at the end of the permissions and how to display them getfacl Modifying ACLs works exactly the same way as setting them Actually we are modifying them when we set them The parameter m means modify So if later on you want to enable Apache to write to your home directory whatever reason you may have to do so you simply call setfacl m u apache rwx home dennis And of course it may happen that you want to get rid of an ACL entry Maybe you have decided you don t want to use user directories anymore Also here we use setfacl just this time we use x to delete an entry setfacl x u apache home dennis And also here we can specify a group by replacing the u with a g Now coming to an end I

    Original URL path: http://www.nuxified.org/blog/acls_extended_filepermissions/ (2016-04-30)
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  • Suspend to disk – does it still make sense?
    times where we used to say have twice as much swap space as you have physical RAM but those were times where 1GB of memory was a lot And back then swapping was a lot more common than it is now with lots of RAM in our boxes But seriously why should I now have 16GB or even just 8GB to match my physical RAM of swap space when I hardly ever see any mentionable amount used As said 2MB are in use right now Wow So the problem is that with the amount of physical RAM growing people see less reason for huge swap space as it usually isn t needed But then you are at risk that in situations where all your memory actually is in use you will not be able to suspend to disk Now does that mean we should kill that possibility No certainly not One reason clearly is that Linux due to it s flexibility can run on machines with fewer resources than a recent desktop gaming machine For those boxes suspend to disk still is a possibility The other reason is that although people now have lots of RAM most of it is not really in use most of the time Also I think it is quite unlikely somebody would want to suspend their box while rendering and running 2 VMs So in conclusion I want to say that although there are situations where on a box with lots of RAM suspend to disk may fail those situations still are quite unlikely to come by But although those situations are unlikely they are not impossible to encounter thus suspend to disk always has to be handled with care And you never know what may happen that you suddenly have no option other than

    Original URL path: http://www.nuxified.org/blog/suspend_disk_does_it_still_make_sense/ (2016-04-30)
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  • Supporting Free Software by means of Civil Disobedience?
    to your own opinions If you are truly about freedom as it relates to software then you would at least admit that copyright nor copyleft are the means by which to achieve it You would fully acknowledge that every transaction between two people is solely the business of those two people even when such a transaction involves sharing of a program written by you and originally provided under the terms of the General Public License Even if you adapted GPL to be used as merely a contract between two people independent of the copyright law the agreement to share under the same terms would still be solely between the one sharing the program and the one getting it If you aren t the one sharing it even if you authored the original copy you are NOT party to the agreement and thus have no say whatsoever as to how will other people share it with each other If 10th person down the line shares the program with 11th under same terms as agreed and then 11th person breaks those terms by sharing the program to the 12th person under different terms the only one 11th person is liable to is the 10th person NOT the 9th person nor the 1st person being the author of the original copy or anyone else This is not how FSF SFLC etc operate however If you get glibc from a random server somewhere on the internet rather than from GNU org and then give it to someone under no terms whatsoever it is still FSF who think they can sue you over it which is completely inconsistent with the belief that software cannot be owned I made a late correction in the above paragraph Instead of 12th person being liable to 10th person I should ve said 11th person since it is 11th who broke the agreement with 10th That was corrected now What then are they supposed to do if they wish to maintain this consistency and to be able to truly claim that they support freedom They should support civil disobedience to copyright law while striving to operate independently of copyright law They should thus release software either in public domain or explicitly state that they aren t relying on copyright while providing programs to people under agreements which are solely between them and the user who downloads or obtains from them without pretension of legitimate control over transactions which DO NOT involve them and are instead between people further down the distribution line I m gonna quote Kevin Dean from a recent article he was quoted in at LinuxInsider com regarding the Mono controversy Quote If information is not owned then systems proclaiming the ownership of information should simply be ignored Dean said Yes I m advocating civil disobedience Just as the European Pirate Party encouraged civil disobedience and then made that issue the forefront of their campaign efforts so should Mono users Accordingly I strongly encourage every distro to adopt

    Original URL path: http://www.nuxified.org/blog/supporting_free_software_means_civil_disobedience/ (2016-04-30)
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  • I’m not anti-mono anymore.
    just don t see a good reason to be against it and in fact deem it silly of people to ask a project which they haven t developed to act as they please which is exactly what anti mono people are doing A project including mono by default is simply in no way equivalent to forcing mono down your throat I can t begin to express just how utterly ridiculous such a belief is First of all it is YOUR choice to use Ubuntu or any distro which includes mono which by itself precludes all chance of anything being FORCED down your throat Second of all you are actually offered the ability to remove it and go on your marry way which is exactly the opposite of being forced It s choice As for the purported patent clouds after all these YEARS of screaming about mono I think it is the FOSS crowd which takes the prize of trumpeting the anti Linux FUD more than anybody else They ve pretty much took the few blurts by few MS execs or employees and made ALL of the publicity and fear mongering for them Which can only have an exactly the opposite result of what their goal is people switching to a Free OS In truth as TC points out end users are unlikely to be affected which is probably 90 of all desktop Linux users and if the worst case scenario that anti mono people so love to talk about there are multiple levels of defense plus an option of working around it which is unique to FOSS I mean even if anti mono crowd is right about everything as far as the threat goes it s not anywhere near as dangerous as they want to portray it So in fact

    Original URL path: http://www.nuxified.org/blog/im_not_antimono_anymore/ (2016-04-30)
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  • Why I chose Ubuntu after trying Windows 7
    it s flashy as hell like Vista The glow of panel buttons actually follows mouse movements which looks pretty cool window border and titlebar blurred transparency is everywhere and window buttons glow like traffic lights when hovered Overall however much of what I would consider the pros of using Windows 7 are the pros of using any windows except now it actually feels like using a modern OS that doesn t feel as bloated as Vista so I would say that Windows 7 is merely a bonus Perhaps those who characterize it as a service pack to Vista aren t too far off In any case the biggest advantages of using Windows that I personally find are Production software availability with windows you pretty much know that you ll be able to find software for what you need such as for instance good video editing applications And Windows 7 seems to be compatible with programs made for Vista which has been around long enough Better 3D support while there is no Windows 7 driver for my video card ATI Radeon X800 probably for the same reason why there isn t one for Ubuntu 9 04 AMD discontinued support the Vista driver works and offers complete support not matched by free Xorg drivers I m relegated to on Ubuntu making sure that all 3D needs are met properly Gaming which is a no brainer Like it or not unfortunately most good games will still run best on Windows and I have a few games from Steam As you can see this isn t particularly specific to Windows 7 but Windows in general On the other hand the ongoing advantages of using Ubuntu are Cleaner more flexible and customizable UI despite all the improvements Windows just doesn t compare with something like a GNOME desktop with workspaces and compiz powered expo effect And you can completely change how the desktop looks and feels I m spoiled by this Easily available software from central repository synaptic and Add Remove Programs offering software that covers majority of all of my needs and never contains ads or requires registration Peace of mind that comes from knowing that Ubuntu is based on a platform with a good security track record and which is Free Software widely disseminated and reviewed which alleviates some of my paranoia It keeps improving faster than Windows constantly showing potential for addressing whatever issues I may even have Trying stuff out is also a good way to simmer thoughts that I can share on Nuxified Familiarity I am at home with console GNOME KDE apt get synaptic etc I get things running faster I think it is becoming rather obvious why Ubuntu rears itself as a better choice here Availability of production software is an issue that I face only a small minority of time I mainly do web development or writing which I can easily do with tools readily available Fun stuff like watching movies listening to music watching videos online

    Original URL path: http://www.nuxified.org/blog/why_i_chose_ubuntu_after_trying_windows_7/ (2016-04-30)
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  • Linux is not an OS
    t mean that the final cars created using this particular engine type couldn t be completely different It would be stupendous to call this entire car components market as a single car by the name of the dominant kind of engine used When we begin to understand what we usually referred to as a single operating system called Linux as in fact a market of various different operating system and software components which can be combined to make different operating systems in their own right then we may begin to understand the flaws in trying to market this market of products as a single product Even an advanced user can occasionally get lost let alone the average user We all one way or another sooner or later face the inevitable question What exactly IS Linux And then we sit there while some geek stutters to explain what is barely explainable It is an OS but it is at the same time a whole bunch of these flavors etc Suffice it to say Marketing FAIL What I believe we should focus on instead is designation of what we used to call distros as operating systems in their own right We could call them Linux based operating systems to denote the fact that they have Linux as the core FSF fans can call it GNU based if they wish but the distro itself is the actual OS not Linux or GNU Linux So when we try to get people to switch I believe we would be FAR more effective to just pick one OS on the market and promote that one on its own merits If you pick Fedora then call it a Linux based Fedora OS and brag about all of the things that make Fedora great not all of the things that make Linux or GNU great alas both GNU and Linux are a part of Fedora but it is still this unique product and user experience we can have with it that is what we are interested in not the parts Mark Shuttleworth appears to be trying his best to somehow coordinate the development of all Linux as if it was all a single OS and to an extent he has had some success particularly in aligning release schedules such as that of GNOME to the release schedule of Ubuntu This is probably the best Linux unification effort so far and yet still I m not holding my hopes up To illustrate why I ll refer you to the presentation recently given by Bryan Lunduke called Linux Sucks He was talking about picking a single package management system and getting behind hinting at apt and deb packages and a single multimedia system hinting at gstreamer etc What he basically did was just pick his own personal favorites combined with their relative popularity In the questions session someone proposed one way of cross Linux installation of software to be putting it into an opt subdirectory and this suggestion was immediately

    Original URL path: http://www.nuxified.org/article/linux_not_os/ (2016-04-30)
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  • How to setup FreeNX server and Client in Ubuntu 8.10 (Intrepid)
    be to have a FreeNX server set up on your home computer and graphically logging in to the home computer from your work computer using a FreeNX client Full Story Article by david23 Community Blogs Tech Stack Solutions Tech Stack Solutions is my company that provides Unix support Sign up or simply get in touch to find out how I can help Search this Website Recent Posts How to Install Ubuntu Linux without a DVD or USB How to Securely Save All Your Passwords with Keepass 9 Signs You Should Use Linux on Your Computer The Easiest Way to Optimize Your MySQL Database Performance Setting up a Linux Web Development Environment in Windows Hunting Down Disk Space Hogs on Linux Command Line 6 Simple Android Apps for Monitoring and Managing Your Linux Server Easily Manage Remote Files on Linux with Konqueror and Kate webmin Best Control Panels if any for Managing a Linux Server Archives Archives Select Month December 2014 July 2014 June 2014 May 2014 April 2014 February 2014 December 2010 May 2010 February 2010 January 2010 November 2009 September 2009 August 2009 June 2009 May 2009 April 2009 March 2009 December 2008 October 2008 August 2008 July 2008

    Original URL path: http://www.nuxified.org/blog/how_setup_freenx_server_and_client_ubuntu_810_intrepid/ (2016-04-30)
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  • An overview of FLOSS email clients
    I finally picked up Claws and so far I don t regret it But by installing it configuring and using this application I learned a couple of things about email clients Let s review the options I had Thunderbird It would have been the default fallback option but I was decided to look somewhere else KMail I was very interested by KMail Now part of the KDE s Kontact suite its integration with the KDE desktop is excellent and the configuration very easy to perform However KMail had one big issue perhaps one of perception It would not handle large mailboxes I decided not to take the chance And besides KDE apps tend to look awkward in non Qt environments Evolution Evolution was a viable candidate for me In fact Evolution and Sylpheed Claws have something in common that marks them as the exact opposites of Outlook and Thunderbird They do not handle mail by mail account but by mailboxes And this makes a huge difference This means that your application will be mailbox centric and not account centric You configure your mailbox first and on top of it you have your email alias with the settings specific to the email account Terminate your email account get a new one and use the same mailbox The mailbox usually has a proper format that is used for archival mbox maildir MH which is not application dependent The problem I had with Evolution wasn t its size my new computer can handle the load pretty easily Rather I had used Evolution before and knew the Ximian guys now Novell had gotten it the wrong way They had made the application too mailbox centric in a sense Evolution lets you have multiple accounts but one mailbox Folders and subdirectories won t change the fact that at the end of the day you will have to deal with one mailbox which is in my opinion not practical On the other hand Evolution comes with nifty little features calendar newreader etc that are nice to have and to use Sylpheed Claws It turns out I chose Claws perhaps because Sylpheed seems to have a slower development cycle and is a one man effort Claws is more populated and has more features Claws really is a fork of Sylpheed although the two were supposed to work together and Sylpheed would have been the stable version of the couple It seems it s not the case anymore However I think that the two share more than 80 of their code so I m really just talking about the two at the same time here I knew Claws had two advantages on the onset it s lightweight 12 Mo therefore it s quite fast and operates on a mailbox logic I was quite surprised to see it was easy to configure and it just required easy logical reasoning something that is a bit rare in configuration assistants these days I was able to consolidate and retrieve almost all

    Original URL path: http://www.nuxified.org/article/overview_floss_email_client/ (2016-04-30)
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