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• How to upgrade Nginx?

  - by jwerre

  I'm on Ububtu and I'm trying upgrade Nginx 1.0.5 to the latest version 1.2.6. Here's what I did and what didn't work. $ nginx -v nginx: nginx version: nginx/1.0.5 $ curl -O http://nginx.org/download/nginx-1.2.6.tar.gz $ tar xvzf nginx-1.2.6.tar.gz $ cd nginx-1.2.6/ $ ./configure $ make && sudo make install $ nginx -v nginx: nginx version: nginx/1.0.5 <<< still old version!!! Any ideas would be much appreciated. Thanks.

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• Report: Canonical Landscape 1.5 Extends Ubuntu Linux Management for Enterprises

  The latest release of Landscape adds authentication, and cloud and deployment improvements to the Linux management system.

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• Can my machine run Ubuntu( kubuntu | xubuntu | mint ) 12.04 WELL?

  - by Steve

  I have a 9 year old computer packing the hardware listed below. My question is, can I run 12.04 ( Ubuntu, Kubuntu, MINT or Xubuntu ) WELL? I was running Ubuntu 10.10 and I upgraded to 12.04 by going through each release via the update manager: 11.04 - 11.10 -12.04 During the installation process for 12.04 I saw an error message that there was an error installing and setting up part of the kernel. Later, when I tried installing a package in synaptic, I got another error message mentioning the kernel. When I rebooted, I got told somehting about my video and graphics was not configured properly and that I would have to do it manually ( like I know ). It gave me the option to enter the system in low graphics mode, but it just hanged. I had an old livecd of Xubuntu 10.10 around so I used that to get into my computer and copy data over to an external hard drive. I think tried to install Xubuntu 10.10 from the livecd, with the option "download updates" checked. The install process moved along a bit, then halted for about 5 hours. I rebooted my machine and tried the Xubuntu 10.10 installer WITHOUT the option to "download updates". The install completed in about 15 minutes. So, all of that is making me wonder if there is someting about 12.04 that does not like my hardware. I'm willing to try again, but only if I know I will not have to spend hours just to get to an error message and a hosed up system like I did last night. I also think I have a lot more RAM than is being reported in the output below. I had extra ram installed last year. I'm not good with the command line readouts, but there seems like there should be a lot more. I wasn't thrilled with Unity. I am willing to try Kubuntu 12.04. Will I run into the same problems? What is the highest version of a *ubuntu can I upgrade to? Thanks CPU Model: Intel(R) Pentium(R) 4 CPU 2.53GHz Frequency: 2533.223 MHz L2 Cache: 512 KB Bogomips: 5066.44 Numbering: family(15) model(2) stepping(7) Flags: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe up pebs bts cid RAM ~$ free -mt total used free shared buffers cached Mem: 1506 891 615 0 91 521 -/+ buffers/cache: 278 1227 Swap: 1609 0 1609 Total: 3116 891 2225 Video Card 01:00.0 VGA compatible controller: nVidia Corporation NV18 [GeForce4 MX 440 AGP 8x] (rev a2) (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. V9180 Magic Flags: bus master, 66MHz, medium devsel, latency 32, IRQ 16 Memory at fd000000 (32-bit, non-prefetchable) [size=16M] Memory at f0000000 (32-bit, prefetchable) [size=64M] Expansion ROM at fe9e0000 [disabled] [size=128K] Kernel driver in use: nouveau Kernel modules: nouveau, nvidiafb Motherboard Intel 845PE ATX 533FSB DDR333 USB2

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• 10 Million records = wiped MySQL DB?

  - by Josh K

  So I was trying to load some test data and it appears to have killed my entire database. This is one case where it's great to have backups! They were all plain insert queries, probably about a 900 MB file. What could have gone wrong?

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• MeeGo Netbook Performance: It's Beating Ubuntu &amp; Co

  <b>Phoronix:</b> "The MeeGo operating system as a joint project between Intel and Nokia was announced back in February. An initial test release was made available in early April, but yesterday's MeeGo 1.0 release is the first where they are providing a stable netbook version."

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• How to divert traffic based on hostname using HAProxy?

  - by Bosky

  I've had some initial success with HAProxy setting up a bunch of app servers listening on various other ports. I now have another webserver listening on one port, and i'd like to what changes to make to my config to flow traffic by hostname as well. The following is the current setup, assuming: my apache webserver is running at examplecom:8001 my bunch of app servers 0.0.0.0:8081, 0.0.0.0:8082 , 0.0.0.0:8083 global log 127.0.0.1 local0 log 127.0.0.1 local1 notice maxconn 4096 debug #quiet #user haproxy #group haproxy defaults log global mode http option httplog option dontlognull retries 3 redispatch maxconn 2000 contimeout 5000 clitimeout 50000 srvtimeout 50000 listen appservers 0.0.0.0:80 mode http balance roundrobin option httpclose option forwardfor #option httpchk HEAD /check.txt HTTP/1.0 server inst1 0.0.0.0:8081 cookie server01 check inter 2000 fall 3 server inst2 0.0.0.0:8082 cookie server02 check inter 2000 fall 3 server inst3 0.0.0.0:8083 cookie server01 check inter 2000 fall 3 server inst4 0.0.0.0:8084 cookie server02 check inter 2000 fall 3 capture cookie vgnvisitor= len 32 (any other comments on the ^ setup are welcome.) Now I'd like to continue the same above, but in addition in case - if the hostname is myspecialtopleveldomain<dot>com, then would like to flow traffic to example<dot>com:8001 ~B

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• Apache2 WebServer not allowing me to view website/files in /var/www

  - by CitadelCSAlum

  I used to be able to access websites/files that were stored in the directory /var/www I have not used this for a while, but now I have a need to store, media in this directory or in the directory/var/www/images I noticed that my apache web server wasnt running correctly so I did a complete package removal and then reinstalled, but I am still unable to access a test page inde.html in the directory /var/www/index.html by going to http://myipaddresshere/index.html Is there some initial configuration I need to do to allow me to store HTML and media files in this directory and be able to access them from the browser? I dont remember having to do anything before.

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• Zentyal Server : Setting up secure VPN Client

  - by JustShrey

  I have officially exhausted pretty much all my google-fu trying to set this up so I'm asking my question here. For the record, I am a mid level rookie who has played around with servers in his spare time but have never worked with Zentyal Server. Now, I have been able to set up the server as a gateway, with one Network card being external and the other facing the internal Network. The Internal network computers are able to access the internet without any issues. What I need to do is to setup a open-vpn client on the central server so that all Internet data goes though the secure VPN session. As far as I can see, I can't set up the vpn session through the web admin page. Could somebody point me in the right direction? How would I go about doing this? Regards Shreyas

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• How to Dual Boot Windows 7 and Ubuntu 12.10?

  - by user108329

  So firstly I tried to install Ubuntu, from the website to run alongside Windows. Went through Wubi etc. Asked me if I wanted to try or Install, I selected install. I selected option to run alongside Windows 7 but when it was partitioning it failed and I only had the fresh install as an option as probably Windows became corrupt then? So I installed Windows again, ran Ubuntu from the livecd, went into gpartition, didn't really know what I was doing but anyhow, resized a partition which was 698gb, one was 100mb, I guessed CD drive. Gparted said it was gonna take three hours, so I took that for meaning Windows was corrupt again. Your help is greatly appreciated. Thanks

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• Can't get samba to see other PCs in Kubuntu 10.04 (Lucid)

  - by MaurizioPz

  I'm new to networking. I'm trying to share a folder between to computers (both have kubuntu 10.04 installed). I'm able to share a folder with samba and can see that folder through samba on the same computer. But if I try to go on the other PC I can't see the first one. Both PCs are on the "workgroup" workgroup. I've tried disabling the firewall with firestarter can somebody help me? thanks update: here's my samba.conf http://pastebin.com/SpuES468

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• Should I completely turn off swap for linux webserver?

  - by Poma

  Recently my friend told me that it is a good idea to turn off swap on linux webservers with enough memory. My server has 12 GB and currently uses 4GB (not counting cache and buffers) under peak load. His argument was that in a normal situation server will never use all of its RAM so the only way it can encounter OutOfMemory situation is due to some bug/ddos/etc. So in case swap is turned off system will run out of memory that will eventually crash the program hogging memory (most likely the web server process) and probably some other processes. In case swap is turned on it will eat both RAM and swap and eventually will result in the same crash, but before that it will offload crucial processes like sshd to swap and start to do a lot of swap operations resulting in major slowdown. This way when under ddos system may go into a completely unusable condition due to huge lags and I probably will not be unable to log in and kill webserver process or deny all incoming traffic (all but ssh). Is this right? Am I missing something (like the fact that swap partition is very useful in some way even if I have enough RAM)? Should I turn it off?

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• Installing internet explorer and windows media player in ubuntu?

  - by karthick87

  I need to install Internet Explorer and Windows Media Player to check an URL for testing purpose. Could someone post me the exact steps to acheive this task? Note: I have already tried installing IE in Ubuntu 10.10 and later versions (12.04) with Wine. It works fine. But I don't get success installing Windows Media Player. Hope someone will solve my problem. It will be great if someone gives me a neat solution for installing IE and WMP in Ubuntu (10.10 or later).

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• How to serve a .php file locally?

  - by isomorphismes

  This part of the PHP documentation says that I should be able to make a small, fake server to serve up some local .php files in a folder using php -S localhost:8000 . But when I try that I get the following error: Usage: php [options] [-f] <file> [--] [args...] php [options] -r <code> [--] [args...] php [options] [-B <begin_code>] -R <code> [-E <end_code>] [--] [args...] php [options] [-B <begin_code>] -F <file> [-E <end_code>] [--] [args...] php [options] -- [args...] php [options] -a What am I doing wrong?

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• Diaspora* : la communauté s'organise : séparation en branches stable et instable et empaquetage pour Debian et Ubuntu

  Mise à jour du 28.08.2012 par Flaburgan Diaspora* devient un projet communautaire Les fondateurs du réseau social open-source le relance en partageant leur pouvoir de décision Il s'en est passé du chemin depuis que les quatre fondateurs de Diaspora* ont eu en 2010 l'idée de lancer ce projet. Il a fait naître beaucoup d'espoir dans une communauté demandeuse de respect de leur vie privée. Il a grandit, il a inspiré beaucoup (les "cercles" de Google+ notamment sont directement copiés des "aspects" de Diaspora*). Il évoluait vite et bien, dirigé par ses quatre fondateurs, jusqu'en Novembre 2011. A cette date funeste, on apprend le décès d'Il...

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• Open file without specifying exact location

  - by person

  Say I have a file in some obscure directory that I want to open and edit. I don't want to do something like this... vim ~/foo/bar/blah/doh/ugh.txt I'd rather be able to say find this file and open it. I know there are commands like locate and find to find a file or directory, but I'm not sure whether these can (or even should) be utilized in what I'm trying to do. Basically, what is the simplest way to open a file with a program w/o specifying its exact location? (In cases where there isn't another file with the same name in the entire system, and cases where there are multiple).

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• Is it possible to configure Ubuntu as a software firewall?

  - by user3215

  I have some systems running on Ubuntu in the private IP range 192.168.2.0-255 . These systems are connected to a switch and the switch is connected to the ISP's modem. Neither the switch nor the modem support firewall options. I don't have any firewall device and I'm not willing to individually configure firewalls on all the systems (via gui/iptables). Is it possible to make an Ubuntu system into something like a software firewall, so that all the traffic/packets sent to or from the WAN(internet) would be allowed/denied based on its firewall rules?

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• How do I get openssh to save my ssh identity permanently?

  - by Alliswell

  How do I change it to save my identity permanently? During my login session after I have entered: $ ssh-add Then identity is saved and I can connect via ssh without getting the dreaded: Enter passphrase for key Once I logout and login back-in I get the following when running: $ ssh-add -L The agent has no identities. $ ssh <hostname> Enter passphrase for key '/home/user/.ssh/id_rsa': Stackoverflow has the following solution, yet I do not understand the reference to in the config file: IdentityFile ~/.ssh/id_rsa_buhlServer Specifically I do not understand what I would put on the identity file. Would I put the above word for word? Or just add my file: IdentityFile ~/.ssh/id_rsa StackOverflow solution

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• Windows always open top left

  - by BobTodd

  I find this a highly annoying "feature" on a wide screen monitor that my mostly used apps - terminal and gedit always open directly under the top-left corner of my screen and I have to drag them to my eye position each and every-time. I have tried installing the CompizConfig Settings Manager and using the feature to position windows centre, but this has had no effect - the force feature here isn't working for me either. I can use e.g. gnome-terminal --geometry=140x50+50+50 for the terminal but this doesn't work for gedit. Any ideas? Thanks

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• Kubuntu is not Ubuntu

  <b>Apachelogger's Log:</b> "This post is supposed to make it clear why Kubuntu is what it is. Writing this down is necessary because people constantly get the wrong picture."

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• ProFTPD Virtual User Directory

  - by Nik

  Alright, I'm trying to replicate a web hosting company's basic setup here by authenticating virtual users via SQL and redirect/jail them to their directory. I've accomplished most of the goals here, with the exception of redirect/jailing them to their directory. The directories are stored in /home/ftp and that's what DefaultRoot is set to. I want each individual user to have and be jailed into their own directory. It doesn't appear that setting homedir in SQL has any effect. Upon logging into FTP with any user, it logs into the DefaultRoot with no directory jailing or redirect. How do I accomplish this last task?

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• How Do I Find The Hardware Block Read Size for My Hard Drive?

  - by Flame

  I'm trying to figure out the optimal size for a large copy from my hard drive using dd. I'm trying to figure out what the best blocksize to use it, which I would assume is the hardware block size for that drive.

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• Something remapped <C-w> in Vim, how do I reclaim it?

  - by blackrobot

  I've been adding a lot of things to my Vim configuration, and apparently one of the plugins I've installed is reclaiming . Whenever I use that key combination, it shows this error: "E784: Cannot close last tab page". Is there a way to reclaim 's functionality without disabling the plugins? I mainly use it for switching between view panes in a split window.

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• List installed packages with the repo they came from?

  - by Sandra

  With rpm it is possible to list installed packages with additional info rpm -qa --queryformat "%-35{NAME} %-35{DISTRIBUTION} %{VERSION}-%{RELEASE}\n" | sort -k 1,2 -t " " -i which will produce something like xorg-x11-drv-ur98 (none) 1.1.0-1.1 xorg-x11-drv-vesa CentOS-5 1.3.0-8.3.el5 xorg-x11-drv-vga (none) 4.1.0-2.1 xorg-x11-drv-via (none) 0.2.1-9 On Ubnutu server would I like to list all installed packages and show from which repository in came from. Can that be done?

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• 1K incoming http post requests per second, each with a 10-50K file

  - by Blankman

  I'm trying to figure out what kind of server setup I will need to support: 1K http post requests per second each post will contain a xml file between 5-50K (average of 25 kilobytes) Even if I get a 100 Mb/s connection with my dedicated box (they usually give 10 Mb/s but you can upgrade), from my calculations that is about 12K kb/s which means about 480 25kb files per second. So this means I need around 3 servers then, each with 100 Mb/s connection. Would a single server running HAProxy be able to redirect the requests to other servers or does this mean I need to get something else that can handle more than 100 Mb/s to proxy things out to the other servers? If my math is off I'd appreciate any corrections you may have.

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• apt unable to install particular version of package (but gives no error)

  - by Arc2009

  I'd like to install particular version of libstd++6 with following command: # apt-get install libstdc++6=4.9.0-8 -V Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: libstdc++6 (4.8.2-16) 0 upgraded, 0 newly installed, 0 to remove and 216 not upgraded. It gives no error, but apt keeps version that was already installed. And also it refers to this package as "extra". There's no apt preferences set in /etc/apt/preferences.d. And the desirable version is definetely available through our local mirror. (If I try to run "apt-get download libstdc++6=4.9.0-8" it will download exactly desirable version.) System info: # cat /etc/issue.net "Debian GNU/Linux jessie/sid" # uname -a Linux www27 3.13-1-amd64 #1 SMP Debian 3.13.7-1 (2014-03-25) x86_64 GNU/Linux. # dpkg -l |egrep -i "apt|dpkg" ii apt 0.9.16.1 amd64 commandline package manager ii dpkg 1.17.6 amd64 Debian package management system Any suggestions?

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