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  • Building small Ubuntu server - What hardware is recommended?

    - by 10robinho
    There are many of us who need to build small Ubuntu server. Problem is that in some countries it is hard to find and quite expensive to buy server motherboards and processors. And when one is building small server with limited budget, buying some Xenons is not really an option. So, are there any general recommendations for hardware (I think that motherboards are the main issue) that is stable and fast under Linux? I read that Intel should be the best choice for cpu + mbo combo. So, I was looking around for some Intel motherboards + i7 Ivy Bridge (like Intel DZ77BH-55K with Z77 chipset and Intel i7 3770K) but I've read that they have some issues with kernel, booting and USB ports. That is why I ask community if you have any experience with this. Maybe Intel is not the best choice here? Maybe ASUS or Gigabyte or _other company_ are more stable with Linux? I hope that this Q&As can help people in building stable Ubuntu server.

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  • Java EE and GlassFish Server Roadmap Update

    - by John Clingan
    2013 has been a stellar year for both the Java EE and GlassFish Server communities. On June 12, Oracle and its partners announced the release of Java EE 7, which delivers on three major themes – HTML5, developer productivity, and meeting enterprise demands. The online event attracted over 10,000 views in the first two days! During the online event, Oracle also announced the availability of GlassFish Server Open Source Edition 4, the world's first Java EE 7 compatible application server. The primary role of GlassFish Server Open Source Edition has been, and continues to be, driving adoption of the latest release of the Java Platform, Enterprise Edition. Oracle also announced the Java EE 7 SDK, which bundles GlassFish Server Open Source Edition 4, as a Java EE 7 learning aid. Last, Oracle publicly announced the Java EE 7 reference implementation based on GlassFish Server Open Source Edition 4. Java EE is a popular platform, as evidenced by the 20+ Java EE 6 compatible implementations available to choose from. After the launch of Java EE 7 and GlassFish Server Open Source Edition 4, we began planning the Java EE 8 roadmap, which was covered during the JavaOne Strategy Keynote. To summarize, there is a lot of interest in improving on HTML5 support, Cloud, and investigating NoSQL support. We received a lot of great feedback from the community and customers on what they would like to see in Java EE 8. As we approached JavaOne 2013, we started planning the GlassFish Server roadmap. What we announced at JavaOne was that GlassFish Server Open Source Edition 4.1 is scheduled for 2014. Here is an update to that roadmap. GlassFish Server Open Source Edition 4.1 is scheduled for 2014 We are planning updates as needed to GlassFish Server Open Source Edition, which is commercially unsupported As we head towards Java EE 8: The trunk will eventually transition to GlassFish Server Open Source Edition 5 as a Java EE 8 implementation The Java EE 8 Reference Implementation will be derived from GlassFish Server Open Source Edition 5. This replicates what has been done in past Java EE and GlassFish Server releases. Oracle will no longer release future major releases of Oracle GlassFish Server with commercial support – specifically Oracle GlassFish Server 4.x with commercial Java EE 7 support will not be released. Commercial Java EE 7 support will be provided from WebLogic Server. Oracle GlassFish Server will not be releasing a 4.x commercial version Expanding on that last bullet, new and existing Oracle GlassFish Server 2.1.x and 3.1.x commercial customers will continue to be supported according to the Oracle Lifetime Support Policy. Oracle recommends that existing commercial Oracle GlassFish Server customers begin planning to move to Oracle WebLogic Server, which is a natural technical and license migration path forward: Applications developed to Java EE standards can be deployed to both GlassFish Server and Oracle WebLogic Server GlassFish Server and Oracle WebLogic Server have implementation-specific deployment descriptor interoperability (here and here). GlassFish Server 3.x and Oracle WebLogic Server share quite a bit of code, so there are quite a bit of configuration and (extended) feature similarities. Shared code includes JPA, JAX-RS, WebSockets (pre JSR 356 in both cases), CDI, Bean Validation, JAX-WS, JAXB, and WS-AT. Both Oracle GlassFish Server 3.x and Oracle WebLogic Server 12c support Oracle Access Manager, Oracle Coherence, Oracle Directory Server, Oracle Virtual Directory, Oracle Database, Oracle Enterprise Manager and are entitled to support for the underlying Oracle JDK. To summarize, Oracle is committed to the future of Java EE.  Java EE 7 has been released and planning for Java EE 8 has begun. GlassFish Server Open Source Edition continues to be the strategic foundation for Java EE reference implementation going forward. And for developers, updates will be delivered as needed to continue to deliver a great developer experience for GlassFish Server Open Source Edition. We are planning for GlassFish Server Open Source Edition 5 as the foundation for the Java EE 8 reference implementation, as well as bundling GlassFish Server Open Source Edition 5 in a Java EE 8 SDK, which is the most popular distribution of GlassFish. This will allow GlassFish releases to be more focused on the Java EE platform and community-driven requirements. We continue to encourage community contributions, bug reports, participation on the GlassFish forum, etc. Going forward, Oracle WebLogic Server will be the single strategic commercially supported application server from Oracle. Disclaimer: The preceding is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract.It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle’s products remains at the sole discretion of Oracle.

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  • Design pattern for client/server sessions?

    - by nonot1
    Are there any common patterns or general guidance I can learn from for how to design a client/server system where the both the client and server must maintain some kind per-client session state? I've found any number of libraries that can help with some of the plumbing, but it's the overall design I'm wondering about. Open issues in my mind: How to structure the client/server communication so that bidirectional synchronous and asynchronous requests are possible? The server side needs to spawn a couple of per-connected-client session-long helper process. How to manage that? How to manage the mapping from a given client (and any of it's requests) to server state and helper process instances in the face of multiple clients and intermittent network connectivity. Most communication can be simple blocking request/reply, but some will be long running processing tasks that the client will want to keep tabs on. To the extent that it matters, the platform is Linux/C/C++. Not web based. Just an existing thick-client software app being modified to talk to backend servers for some tasks.

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  • Solutions for software using many calls to a server

    - by Val
    I am developing software that uses many calls to a server. On a client side it's a Silverlight application. Almost every time a user clicks on a button in it, it sends 1-5 WCF calls to a server. There can be up to dozen or so users at a time. The server is a database server that serves data to a client. I am an intermediate level developer and am thinking about caching some data and syncing my changes from time to time. Are there any official solutions or technologies for it, like, patterns and such?

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  • How To Create a Personal VM Server

    - by Danish
    I have a personal Ubuntu server at home for my various personal development needs. I often spend time to configure it for various purposes e.g. for serving a blog or my mercurial repositories etc. However, I am getting very interested in pre-packaged linux appliances available e.g. TurnKey linux etc. It takes no effort to get an appliance up and running! I was wondering if I could make my home server into VM server, where I can run multiple VMs for various needs. The server does not have a screen, hence I would like to be able to manage my VMs from the web or console I guess in short, I am asking if its possible to have my own personal, light weight Amazon EC2. If yes, how can I set it up? Is there an Ubuntu derived distro available for this? OR can I install a couple of packages and get this running?

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  • How to create a shared folder using command line on a server

    - by sadmicrowave
    After following the tutorial here I ran into a problem. Here is what I did. On my server I installed nfs-kernel-server and edited the /etc/exports file to include the folder I want to share: /var *(rw,sync) On my client machine I edited my fstab file to include share: //128.251.xxx.xxx/var/ ~/uslonsweb003 nfs #username=[username],password=[password], 0 0 Entered command: sudo mount -a which gives this error: mount.nfs: remote share not in 'host:dir' format Where did I go wrong with this setup? Also if there is a better way (using command line) to setup a folder share on an Ubuntu 10.10 server that will be accessed by other linux and windows machines please let me know. UPDATE: The mapped drive is now not letting me create,edit,delete files or folders (readonly access) my configuration is as follows: client fstab file: 128.251.xxx.xxx:/var /home/coreyf/uslonsweb003 nfs rw,hard,intr, 0 0 server exports file: /var *(rw,no_root_squash,sync,no_subtree_check) UPDATE 2: Using Allans solution my drive mounted correctly however after putting rw,intr as my additional parameters I cannot create, edit and delete folders/files.

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  • Migrating Ruby on Rails Website to New Server (Linux)

    - by GarytheWorm
    I have an existing website that is a Ruby on Rails project. I have another server i need to transfer the existing website too. The server i wish to transfer too was originally hosting the website so has the necessary gems/configuration are installed. I have tar the current releases shared dir from the old server and transfered them over to the new server. I have then unpack the tar in the apps directory to the new location which is a different URL path. My problem is now as you can see below that the path on the current - is pointing to the old url. ( i ran ls -la to see owenership) How can i change this current path to read with my new web address? current releases shared sitepack.tar root@server1:/var/www/clients/client1/NEWSITE.com/web/apps# ls -la current - /var/www/OLDSITE.com/web/apps/releases/20120130171636 root@server1:/var/www/clients/client1/NEWSITE.com/web/apps#

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  • DLNA Media Server and external subtitles

    - by Lobo
    I'm looking DLNA Media Server with the features above: Support most extended video formats. Reproduce external subtitles in client side. Open source or freeware software. USE CASE: DLNA Media server installed and running on my PC. In my PC, I have /home/myprofile/videos directory where I store all my video files. For example, game.of.thrones.s09.e06.mpg and game.of.thrones.s09.e06.srt Turn on my Smart-TV, connect to my DLNA Media Server (installed on my PC) Play game.of.thrones.s09.e06.mpg file and see the subtitles overlapped. Finally, my question: Is there some DLNA Media server that provides that use case?. Thank you.

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  • books on web server technology [closed]

    - by tushar
    i need to understand the web server technologies as to how are the packets recieved how does it respond and understand httpd.conf files and also get to undertand what terms like proxy or reverse proxy actually mean. but i could not find any resources so please help me and suggest some ebook or web site and by server i dont mean a specific one (apache or nginx..) in short a book on understanding the basics about a web server i already asked this on stackoverflow and webmasters in a nutshell was the answer i got and they said its better if i ask it here so please help me out

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  • Running Ubuntu Server from a USB key / thumb drive (being mindful of flash's write limitations)

    - by andybjackson
    Having become disillusioned with hacking Buffalo NAS devices, I've decided to roll my own home server. After some research, I have settled on an HP Proliant Microserver with Ubuntu Server and a ZFS RAID-Z array for data. I settled on this configuration after trying and regretfully rejecting FreeNAS because the Logitech Media Server (LMS) software isn't available on the AMD64 flavour of this platform and because I think Debian/Ubuntu server is a better future-proof platform. I considered Open Media Vault, but concluded that it isn't quite yet ready for my purposes. That said, FreeNAS does include the option to run itself off a 2GB+ flash device like USB key or thumb drive. Apparently FreeNAS is mindful of the write limitations of flash devices and so creates virtual disks for running the OS, writing only the required configuration information back to flash. This would give me an extra data drive slot. Q: Can Ubuntu Server be configured sensibly to run off a flash device such as a USB key/thumb drive? If so, how? The write limitations of flash should be accounted for.

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  • sudo: unable to resolve host ubuntu-server

    - by Manfred Van de Waarsenburg
    I have a problem with sudo. Every time when I trying to use sudo I got this problem: sudo: unable to resolve host ubuntu-server My /etc/hosts file: 127.0.0.1 localhost 127.0.1.1 ubuntu-server # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes FF02::2 ip6-allrouters /etc/hostname gives: ubuntu-server I think there is some other setting that causes the unable to resole host, but I cannot find these.

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  • Need a remote desktop to a headless server without logging in first

    - by user17971
    I've been using Linux for many years now but only to run servers. Over the last few days I've been struggling with a technical / configuration issue which I hope someone can help with. I've installed / un-installed many packages but just can't figure out what the "right" way of doing this is. The requirement seems simple Server runs Ubuntu 10.04 with xubuntu and SSH (I do NOT want to connect any screen, keyboard or mouse to the server) I have Windows 7 machine with putty on it and logging in to the server using SSH is fine I want to run an xterminal session on my Windows machine. Amongst the things I've tried is VNU but I can't get it to work because I believe you have to login on the server first. Thanks in advance

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  • Remote Access to Owncloud Server

    - by John
    I'm currently trying to setup my own own-cloud server, and I've got it fully installed, configured, and accessible from within my own local network. I cannot figure out how to access it from the outside. So far I've: Successfully setup port-forwarding on my local router. I've done so via 'single port forwarding' and 'port range forwarding' Ports 80, 443, 3306 (Apache-Full and MySQL) Successfully obtained my external IP address. I've also tested this magic number from within the network at #insertIPhere/owncloud and it did work. Successfully setup the server using SQLite Successfully setup the server using MySQL Created the following exceptions in my firewall: Allow In Port 80 (Apache Full) Allow In Port 443 (Apache Full) Allow In Port 3306 (MySQL) Tried connecting from several different remote networks, as to troubleshoot something on their end As far as trying to access it, I'm doing so through Google-Chrome and Mozilla Firefox trying to reach the server through #insertIPhere/owncloud using the above public IP address. So what have I missed, and how do I access my server from outside? Thanks in advance for your help and time, and I apologize in advance for what will probably result in my noobish mistake in networking. I've looked at the official documentation. And also this question here.

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  • backup dedicated server runing ubuntu 10.04 and plesk 11.01 prior to update os to uduntu 12.04

    - by timmob
    i would like to backup my dedicated server which is my web server hosting various sites and email, so that I can update the os to Ubuntu 12.04, and basically restore back to 10.04 if things go wrong. I have a local machine that I can install 12.04 onto an then I was going to rsinc between the two, but I am fairly clueless when it comes to linux. I can ssh into the remote server and gain root access. can anyone explain if i need to backup the whole server hard drive or just some of the files? Thanks Timmo.

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  • Ubuntu Desktop or Ubuntu Server?

    - by Twinborn
    Hello everyone. I'm new to Linux and Ubuntu is my first distribution. I have chosen Ubuntu because I want to learn more about Linux. I'm under time constraints and need to setup a server as soon as possible. I have Ubuntu Desktop and Ubuntu Server setup via VMWare Fusion on my MacBook Pro. I installed everything I need on the server edition, but it feels way over my head. I have no experience with CLI. Can I just use Ubuntu Desktop to run my Web server for the time being while I learn CLI? I basically need to run Apache, PHP, MySQL, phpMyAdmin, Python and Django. Should I be using MAMP? Thanks.

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  • Ubuntu Server Configuration -- Harddrive Partitioning

    - by black_bird
    Currently Ubuntu Server is telling me that when I'm making a new partition for Ubuntu Server on this NTFS 1TB HD that I currently have installed to the hardware, that the partition must be a minimum of 52% of the hard drive space or ~521GB. I'm almost positive that this will run into other data, as I have quite a bit of stuff on the hard drive currently. Can I not make a Ubuntu server partition on that hard drive at like 100GB or something? Why does it require so much?

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  • Resolution text mode Removing ubuntu-server 10.04

    - by Fabin
    Hello Friends .. I have ubuntu-server on my server and also in terminals and an application squeegee in text mode. This version 9.10 of ubuntu-server system came with a resolution at the terminal, which makes use of the application, the fonts (letters) are very small. Please, if anyone knows how to take the resolution of text mode 10:04 ubuntu server, tell me. To illustrate. I need the resolution is to get as Debian, large fonts! Still using version 9.04, it was the last that still has not implemented the resolution at the terminal (text mode). I remind you that non-use graphical interface. Only text mode. Thanks.

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  • Which server to choose? [closed]

    - by Devbag
    I have telecom applications that I want to run on a server(I have chosen HP server), there are so many types of hp servers i.e DL380 (g3,g4 ....), blade , entry level server. I've surfed the web and nothing is helping me choose one that suites me, what I have is telecom application made in PHP and C. I've found many used DL380 G3,G4 and G5 on craiglist with really good prices, some of them have misssing HD, RAMs and some of them have nothing missing. Can you please help me choose wisely. Thanks,

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  • Microsoft Releases Windows Server 2012

    Windows Server 2012 offers expanded virtualization capabilities and works with Windows Azure, the software company's cloud platform. It can deliver more than 200 public, private and hybrid cloud services. The goal seems to be to deliver any application on any cloud. Rand Morimoto, president of Microsoft partner Convergent Computing, sees a number of major selling points for Windows Server 2012. For instance, its deduplication features can save a company 40 to 50 percent in storage space. Its automated IT management capabilities enable it to manage a large number of virtual machines. It can eve...

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  • Apache/2.4.7 (Ubuntu) Server at localhost Port 80

    - by w3coder
    I am new at Ubuntu and LAMP. This problem is going on during making local server. Please help me. I have made local server. It is working on my browser : localhost/phpmyadmin But whhen I try localhost/joompark/installation/index.php on browser....... it show the Port 80 error. joompark is my folder name. All file and folder are right place var/www/joompark The Result is: Not Found The requested URL /joompark/installation/index.php was not found on this server. Apache/2.4.7 (Ubuntu) Server at localhost Port 80 Thanks in advance

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  • What is the best way to cofigure a sql server for 50 developers?

    - by Lakhlani Prashant
    Hi, If I am running an organization that has 50 .net developers and all are using sql server, what is the best way to make single sql server available to them? Here is some of the concerns that I want to be careful about Should I configure database users per project or per user? or both? Should I provide single sql server instance? There are some more concerns but I think getting answer of these two will be a good starting point.

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