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• How do I correct the kernel version loaded by Grub2 in Ubuntu 12.04

  - by Paul D'Ambra

  I have a linux vps running Ubuntu 12.04 and when I run uname-r it replies: paul@webforms:~$ uname -r 2.6.32.33-kvm-i386-20111128-dirty paul@webforms:~$ sudo grub-install -v grub-install (GRUB) 1.99-21ubuntu3.1 if I run update-grub I get: paul@webforms:~$ sudo update-grub Generating grub.cfg ... Found linux image: /boot/vmlinuz-3.2.0-26-generic-pae Found initrd image: /boot/initrd.img-3.2.0-26-generic-pae Found linux image: /boot/vmlinuz-2.6.38-15-generic-pae Found initrd image: /boot/initrd.img-2.6.38-15-generic-pae done and then rebooting gives me the same dirty kernel I'm going round in circles and as a relative noob I'm sure I must be missing something obvious so over to the hive-mind!!

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• Hardware issue, bsod with windows xp irq and strange messages with ubuntu

  - by JP Hellemons

  I have an old Acer T160 and it used to run Windows XP. But I keep getting random BSOD's. I keep seeing IRQ conflicts. I tried to run ubuntu, which runs and keeps running. But sometimes is not responding. Also there are these popups at ubuntu 12.04 that my network cable (which is onboard) is unplugged. But I have no cable in it! and have an usb dongle for wifi. which also seems unstable. have to (auto)reconnect sometimes. So my question is: is it my mobo, power supply or something else? FYI: I had an dvd-rw station which did not open properly, so unplugged the ata and power, als removed the second harddrive. now only have sata harddrive. also removed the extra video card (ati sapphire x1600 pro) so use only onboard video now and still have these issues. EDIT Update: will try with a new PSU (power supply unit of 400watt) the old (factory) one was 300watt. and will use a usb drive which has 12.04 ubuntu on it (made with unetbootin) to format everything and re-install ubuntu. (so also delete mbr partition) will update the day after tomorrow.

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• configuring apache with mod_mono for .net app

  - by Mystere Man

  I'm having a huge problem getting mod_mono and apache configured to work correctly. I've had this working at one time, but I can't seem to figure out where i'm going wrong. I'm using mono-server4. I'm trying to use a seperate port from the main website. So I have in /etc/apache2/sites-available (with a link from sites-enabled) a vhost configuration that looks like this: <VirtualHost *:9999> ServerName XXX ServerAdmin web-admin@XXX DocumentRoot /var/xxx MonoServerPath XXX "/usr/bin/mod-mono-server4" MonoDebug XXX true MonoSetEnv XXX MONO_IOMAP=all MonoApplications XXX "/:/var/xxx" <Location "/"> Allow from all Order allow,deny MonoSetServerAlias XXX SetHandler mono SetOutputFilter DEFLATE SetEnvIfNoCase Request_URI "\.(?:gif|jpe?g|png)$" no-gzip dont-vary </Location> <IfModule mod_deflate.c> AddOutputFilterByType DEFLATE text/html text/plain text/xml text/javascript </IfModule> </VirtualHost> I used mono-server4-admin to create the application mono-server4-admin --path=/var/xxx --app=/XXX --port=9999 When i start apache, it gives the error: Syntax error on line 13 of /etc/apache2/sites-enabled/xxx: Server alias 'XXX, not found. This corresponds with the MonoSetServerAlias statement. So I commented it out, and when I do that apache starts. However, when I try to access the site, I get a 500 error. The access log indicates that it's trying to access the app on port 80, rather than 9999. I'm not sure what the problem is here. Can anyone help me get figure out where I went wrong? My mono-server4-hosts.conf contains this: # start /etc/mono-server4/conf.d/RMRSite/10_XXX Alias /XXX "/var/xxx" AddMonoApplications default "/XXX:/var/xxx" <Directory /var/xxx> SetHandler mono <IfModule mod_dir.c> DirectoryIndex index.aspx </IfModule> </Directory> # end /etc/mono-server4/conf.d/XXX/10_XXX Also, my /etc/mono-server4/conf.d/XXX/10_XXX contains this: This is the configuration file for the XXX virtualhost path = /var/xxx alias = /XXX vhost = localhost port = 9999

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• Is It key_buffer or key_buffer_size?

  - by user176890

  I search the internet regarding the correct variable in my.cnf file. Some said that key_buffer_size is depreciated, but some said that key_buffer_size is the correct variable in my.cnf. So, what is really the correct variable here? Is it key_buffer or key_buffer_size? I'm using ubuntu 12.04. And also I have the two key_buffer variable in my.cnf file. This is what I got after installing mysql. The first one is located under this: [mysqld] key_buffer = 16M The other one is located under this: [isamchk] key_buffer = 16M

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• Does anyone know how to "tcpdump" traffic decrypted by Mallory MITM? [migrated]

  - by chriv

  I'm looking for some help in capturing network traffic that I can analyze in Wireshare (or other tools). The tool I'm using is mallory. If anyone is familiar with mallory, I could use some help. I've got it configured and running correctly, but I don't know how to get the output that I want. The setup is on my private network. I have a VM (running Ubuntu 12.04 - precise) with two NICs: eth0 is on my "real" network eth1 is only on my "fake" network, and is using dnsmasq (for DNS and DHCP for other devices on the "fake" network) Effectively eth0 is the "WAN" on my VM, and eth1 is the "LAN" on my VM. I've setup mallory and iptables to intercept, decrypt, encrypt and rewrite all traffic coming in on destination port 443 on eth1. On the device I want intercepted, I have imported the ca.cer that mallory generated as a trusted root certificate. I need to analyze some strange behavior in the HTTPS stream between the client and server, so that's why mallory is setup in between for this MITM. I would like to take the decrypted HTTPS traffic and dump it to either a logfile or a socket in a format compatible with tcpdump/wireshark (so I can collect it later and analyze it). Running tcpdump on eth1 is too soon (it's encrypted), and running tcpdump on eth2 is too late (it's been re-encrypted). Is there a way to make mallory "tcpdump" the decrypted traffic (in both directions)?

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• Can't re-open "Group My Tabs" page after killing Firefox

  - by isomorphismes

  Due to memory problems I closed Firefox whilst the Group My Tabs (Ctrl+e) feature was displaying the multiple tab groups. After 20 minutes the process still hadn't finished so killall firefoxed it. When I restart Firefox, there is a Javascript process called tabview.js that hangs unless I click Stop at the warning screen. If I do hit Stop then I can no longer open the tabview, so I can't get to any of the tabs except in the subgroup I was last looking at. Any suggestions?

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• Ubuntu can't install an older version of a package

  - by Trevor Newhook

  When I try to do an apt-get install, I keep getting an error: Depends: libgtk-3-common (= 3.4.1-0ubuntu1) but 3.4.2-0ubuntu0.4 is to be installed when I run sudo apt-get -f install, I get several dpkg: warning: files list file for package 'XXX' missing, assuming package has no files currently installed. then Preparing to replace libgtk-3-bin 3.4.1-0ubuntu1 (using .../libgtk-3-bin_3.4.2-0ubuntu0.4_i386.deb) ... Adding 'diversion of /usr/sbin/update-icon-caches to /usr/sbin/update-icon-caches.gtk2 by libgtk-3-bin' dpkg-divert: error: rename involves overwriting `/usr/sbin/update-icon-caches.gtk2' with different file `/usr/sbin/update-icon-caches', not allowed dpkg: error processing /var/cache/apt/archives/libgtk-3-bin_3.4.2-0ubuntu0.4_i386.deb (--unpack): subprocess new pre-installation script returned error exit status 2 Errors were encountered while processing: /var/cache/apt/archives/libgtk-3-bin_3.4.2-0ubuntu0.4_i386.deb E: Sub-process /usr/bin/dpkg returned an error code (1) I'm not sure why it's complaining about a newer version of a package, but any help would be appreciated

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• How To Create An FTP User That Has Permission To EVERYTHING

  - by Serg

  I've spent the last two hours trying to create an FTP user so I can transfer some files over to my Wordpress blog folder. /var/www/sergiotapia.me I'm using vsftpd and Ubuntu 12.04 for my FTP server and I've read tons of documentation, none of which seem to work. I still cannot log in with the FTP user, let alone test if I even have the read/write file permissions. Can a Linux guru here, help me out with a small step by step? I'm comfortable with the terminal and nano, so that's not an issue - I'll SSH into my box. Just tell me what to do and what commands to run. Specifically, this user needs to have read and write access to the /var/ folder and anything within it. I want to have 1 user that can do whatever the heck he wants on my Ubuntu 12.04 VPS machine.

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• Installing 64-bit Ubuntu Server 12.04 LTS, on a VM with VMWare Player, on a 64-bit Windows 7 PC

  - by WannaBeAGeek

  I'm trying to create a VM, using VMWare Player, with an ISO image of Ubuntu Server 12.04 (LTS). The machine I'm doing the installation on has an Intel(R) Core(TM) i5 CPU, and runs 64-bit Windows 7 I managed to create the VM (gave username, password, configured network etc), but I can't install Ubuntu Server. First I get this alert : Binary translation is incompatible with long mode on this platform. Disabling long mode. Without long mode support, the virtual machine will not be able to run 64-bit code. For more details see http://vmware.com/info?id=152. When I click OK, I get another alert : This virtual machine is configured for 64-bit guest operating systems. However, 64-bit operation is not possible. This host supports Intel VT-x, but Intel VT-x is disabled. Intel VT-x might be disabled if it has been disabled in the BIOS/firmware settings or the host has not been power-cycled since changing this setting. (1) Verify that the BIOS/firmware settings enable Intel VT-x and disable 'trusted execution.' (2) Power-cycle the host if either of these BIOS/firmware settings have been changed. (3) Power-cycle the host if you have not done so since installing VMware Player. (4) Update the host's BIOS/firmware to the latest version. For more detailed information, see http://vmware.com/info?id=152. Then, when I click OK, my VM exists, and I get back to the VMWare Player home screen. I don't know much about hardware and virtualisation, so there might be some necessary info I'm not giving. Please don't hesitate to let me know what is missing in my post, for finding solutions. Thanks :)

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• Install Navicat for MySQL on Linux Ubuntu 12.04

  - by DanielAttard

  How do I install Navicat on Ubuntu Desktop 12.04? I have just configured a new Ubuntu 12.04. Because I'm not so familiar with the command line, I prefer to use Ubuntu Desktop so that I can have a GUI. Now I need to install a front-end to connect with MySQL. I prefer to use Navicat in a MAC environment, so I was hoping to install Navicat on the Ubuntu machine. I downloaded a Linux copy of Navicat for MySQL from here: http://www.navicat.com/download/navicat-for-mysql The problem I am having is that I don't know how to install the program after it has been downloaded. There is a navicat.exe file in the navicat folder, but that seems to be for a DOS/Windows environment. I just can't figure out how to install Navicat onto Ubuntu Desktop 12.04. Anyone have any ideas? Thanks.

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• Using MongoDB + Redis + Apache on the same server in production?

  - by Dayson

  I intend to launch my web app using a 8 GB VPS. It uses MongoDB + Redis for storage/caching and Apache + PHP-FPM for serving requests. Could there be any issues with running Mongo + Redis + Apache on the same server? Would it make more sense to setup 2 x 4 GB VPS servers and keep Mongo on one and Redis + Apache on another? Should I just start with one server and worry about scaling horizontally later by delegating the existing server to Mongo in the future (due to its large RAM) and moving the web servers on to multiple smaller VPS'?

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• How to start a service at boot time in ubuntu 12.04, run as a different user?

  - by Alex

  I have a server ClueReleaseManager which I have installed on a Ubuntu 12.04 system from a separate user (named pypi), and I want to be able to start this server at startup. I already have tried to create a simple bash script with some commands (login as user pypi, use a virtual python environment, start the server), but this does not work properly. Either the terminal crashes or when I try to ask the status of the service it is started and I am logged in as user pypi ...? So, here the question: What are the steps to take to make sure the ClueReleaseManager service properly starts up on boot time, and which I can control (start/stop/..) during runtime, while the service is running from a user pypi? Additional information and constraints: I want to do this as simple as possible Without any other packages/programs to be installed I am not familiar with the Ubuntu 12.04 init structure All the information I found on the web is very sparse, confusing, incorrect or does not apply to my case of running a service as a different user from root.

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• Upgraded to Ubuntu 12.04 from 10.04 and have to transfer database from Postgresql 8.4 to 9.1

  - by Stpn

  I upgraded server with a Rails application to Ubuntu 12.04 from 10.04 and cannot connect to Postgresql database now... Here is the error message from Rails app: could not connect to server: No such file or directory Is the server running locally and accepting connections on Unix domain socket "/var/run/postgresql/.s.PGSQL.5432" Also the pg_ctl start is not recognized as a command.. EDIT: Turns out my database in on Postgresl 8.4 and my sever is now running on 9.1. So all the database files / configs are on 8.4.. How can I transfer them? Just straight copy from old pg_hba.conf?

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• Linux boot - stop the kernel switching to a new framebuffer mode clearing output

  - by Avio

  I'm working on an embedded system (based onUbuntu 12.04 LTS) and I'm customizing its kernel. I'm having some problem with upstart, mountall and plymouth. Nothing unsolvable I suppose, but the real problem is that I can't diagnose properly what's going on because the kernel (or maybe plymouth) changes the video mode in the middle of the boot process. This completely wipes entire lines of log and prevents any debugging of kernel misconfigurations. My Grub2 config seems to be ok with: GRUB_CMDLINE_LINUX="" GRUB_CMDLINE_LINUX_DEFAULT="acpi=force noplymouth" GRUB_GFXMODE=1024x768x32 GRUB_GFXPAYLOAD_LINUX=keep Here is some relevant output of lspci: 00:00.0 Host bridge: Intel Corporation Mobile 945GSE Express Memory Controller Hub (rev 03) 00:02.0 VGA compatible controller: Intel Corporation Mobile 945GSE Express Integrated Graphics Controller (rev 03) 00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03) And here is the relevant portion of my kernel configuration: CONFIG_AGP=y CONFIG_AGP_INTEL=y CONFIG_VGA_ARB=y CONFIG_VGA_ARB_MAX_GPUS=16 CONFIG_DRM=y CONFIG_DRM_KMS_HELPER=y CONFIG_DRM_I915=y CONFIG_DRM_I915_KMS=y CONFIG_VIDEO_OUTPUT_CONTROL=y CONFIG_FB=y CONFIG_FB_BOOT_VESA_SUPPORT=y CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y CONFIG_FB_MODE_HELPERS=y CONFIG_FB_VESA=y CONFIG_BACKLIGHT_LCD_SUPPORT=y CONFIG_BACKLIGHT_CLASS_DEVICE=y CONFIG_VGA_CONSOLE=y CONFIG_VGACON_SOFT_SCROLLBACK=y CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=640 CONFIG_DUMMY_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y CONFIG_FONT_8x8=y CONFIG_FONT_8x16=y CONFIG_LOGO=y CONFIG_LOGO_LINUX_MONO=y CONFIG_LOGO_LINUX_VGA16=y CONFIG_LOGO_LINUX_CLUT224=y Every other custom/stock kernel boot fine with that Grub2 config. What I would like to have is a single flow of messages on a single console (retaining one screen resolution) from the bootup logo till the login prompt. Does anybody know what I have to tweak to achieve this?

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• configuration issue with respect to .htaccess file on ubuntu

  - by Registered User

  I am building an application tshirtshop I have following configuration in /etc/apache2/sites-enabled/tshirtshop <VirtualHost *:80> ServerAdmin webmaster@localhost DocumentRoot /var/www/tshirtshop <Directory /var/www/tshirtshop> Options Indexes FollowSymLinks AllowOverride All Order allow,deny allow from all </Directory> ErrorLog ${APACHE_LOG_DIR}/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog ${APACHE_LOG_DIR}/access.log combined </VirtualHost> and following in .htaccess file in location /var/www/tshirtshop/.htaccess <IfModule mod_rewrite.c> # Enable mod_rewrite RewriteEngine On # Specify the folder in which the application resides. # Use / if the application is in the root. RewriteBase /tshirtshop #RewriteBase / # Rewrite to correct domain to avoid canonicalization problems # RewriteCond %{HTTP_HOST} !^www\.example\.com # RewriteRule ^(.*)$ http://www.example.com/$1 [R=301,L] # Rewrite URLs ending in /index.php or /index.html to / RewriteCond %{THE_REQUEST} ^GET\ .*/index\.(php|html?)\ HTTP RewriteRule ^(.*)index\.(php|html?)$ $1 [R=301,L] # Rewrite category pages RewriteRule ^.*-d([0-9]+)/.*-c([0-9]+)/page-([0-9]+)/?$ index.php?DepartmentId=$1&CategoryId=$2&Page=$3 [L] RewriteRule ^.*-d([0-9]+)/.*-c([0-9]+)/?$ index.php?DepartmentId=$1&CategoryId=$2 [L] # Rewrite department pages RewriteRule ^.*-d([0-9]+)/page-([0-9]+)/?$ index.php?DepartmentId=$1&Page=$2 [L] RewriteRule ^.*-d([0-9]+)/?$ index.php?DepartmentId=$1 [L] # Rewrite subpages of the home page RewriteRule ^page-([0-9]+)/?$ index.php?Page=$1 [L] # Rewrite product details pages RewriteRule ^.*-p([0-9]+)/?$ index.php?ProductId=$1 [L] </IfModule> the site is working on localhost and is working as if there is no .htaccess rule specified i.e. if I were to view a page as http://localhost/tshirtshop/nature-d2 then I get a 404 Error but if I view the same page as http://localhost/tshirtshop/index.php?DepartmentId=2 then I can view it. What is the mistake if any one can point out in above configuration, or else I need to check any thing else? sudo apache2ctl -M Loaded Modules: core_module (static) log_config_module (static) logio_module (static) mpm_prefork_module (static) http_module (static) so_module (static) alias_module (shared) auth_basic_module (shared) authn_file_module (shared) authz_default_module (shared) authz_groupfile_module (shared) authz_host_module (shared) authz_user_module (shared) autoindex_module (shared) cgi_module (shared) deflate_module (shared) dir_module (shared) env_module (shared) mime_module (shared) negotiation_module (shared) php5_module (shared) reqtimeout_module (shared) rewrite_module (shared) setenvif_module (shared) status_module (shared) Syntax OK I am using Apache2 on Ubuntu 12.04

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• windows 7 is not working with Ubuntu 12.04

  - by Anand Soni

  I have one problem, I am unable to start windows 7 which is installed with Ubuntu 12.04 because I want to utilize all resource in diff. OS. Let me tell you the installation I have done. I have installed everything with USB because my CD ROM is damaged. 1) I have installed Windows 7 in c: then I have installed Ubuntu 12.04 in C: Now when I start my PC it shows list of OS first like -Ubuntu 12.04 -Windows 7 When I click on Windows 7 it do not starts and again shows the list of OS. I have also tried to reinstall the windows 7 using USB but it gives error of something UI or Boot configuration error. Even now Ubuntu 12.04 is also not reinstalling. Now what I want to do is install windows 7 and install ubuntu 12.04 in virtual box so that I can run both system as this is not working. But can't because I can't open Window 7 even can't format my drive. Please suggest something.

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• openSuse full disk encryption

  - by djechelon

  I'm a proud Suser. I'm about to reinstall 12.2 on my ASUS N76VZ (UEFI x64 laptop). Since I'm very sensitive about laptop security against theft or unwanted inspection, I chose to use BitLocker with USB dongle in Windows 7. When installing Suse the last time I found that only the home partition (separated from root) was capable of being encrypted. Does Suse offer a full disk encryption solution like BitLocker that I haven't discovered yet? Or is encrypting home partition the only way to protect data? Encrypting only home is feasible as one stores personal data in home, but I still would like to encrypt the whole thing! Also, using a hardware token (no TPM available) for unlocking is preferred to password, if possible! Thanks

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• How to take mysql replication backup

  - by user53864

  I have a MySQL master-master replication setup with a slave for each master(only one master used for read/writes at a time) on Ubuntu server. Wondering what would be the best way to schedule backup of replication databases with mysqldump. I have following clarifications because of which could not proceed further. Scheduling mysqldump backup on masters safe for replication? Connecting masters with GUI applications(workbench) for database manipulations(read, writes.. by developers) is safe? Any inputs are welcome.

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• Unable to connect with PPTP (From Windows 8 to Ubuntu 12.10)

  - by jaja

  I'm trying to connect using PPTP to my VPS. At first, I got the problem that my connection (Wlan, which is what I use to connect to the Internet) goes "limited" (I can't connect to the Internet) when I connect to the VPN. Then, I used to get some long message, something like you might be trying using L2TP. Then now it's back again to the "limited" problem. What's the solution to that problem? One thing I'm not sure of is what I put as my local IP address in "sudo nano /etc/pptpd.conf" Is it 127.0.0.1? I'm following this tutorial: http://thesinclairs.gotdns.com/blog/set-up-a-pptp-vpn-on-ubuntu-server/

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• Bash script getting automatically deleted from Ubuntu 12.04 Server?

  - by Kris Anderson

  I'm running a bash script on an ubuntu 12.04 through cron. The script works fine for a few weeks (runs daily backups of websites, mysql databases, and copies to Amazon S3). However, twice now I've noticed that backups stopped happening. Both times the backup script (backupscript.sh) located in my home folder was no longer there. No one else has access to this server, so nothing was manually changed on the server and no one deleted the file by mistake. The cron job (nano /etc/crontab) still references this script, but the script itself disappears. What could cause this to happen? Does Ubuntu delete the script if it runs into some sort of error?

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• Adding Multiple Interfaces to EC2 Ubuntu 12.04

  - by nocode

  I have a m1.medium Ubuntu 12.04 instance with two ENI's. I have a VPC setup with a private and public subnet. Private: 10.50.1.0/24 Public: 10.50.101.0/24 I initiated the instance on the private subnet. I configured a NAT instance and route all servers in the private subnet internet access. The route tables on the private subnet point towards the NAT instance and the route table on the public subnet point to the internet gateway. I am trying to add a public interface on the machine so that I can put it behind a ELB. When I added the second ENI and configured a static IP in /etc/network/interfaces and restarted the network services, I can no longer access from the Public subnet to the Private Subnet. Works Private private Private public Does not work Public private From Public Private, I ran a TCPDUMp on the private machine and can see the request coming in. My guess is it's trying to route over the new Public interface instead of the Private. Here's my route: default 10.50.1.1 0.0.0.0 UG 100 0 0 eth0 10.50.1.0 * 255.255.255.0 U 0 0 0 eth0 10.50.101.0 * 255.255.255.0 U 0 0 0 eth1 My networking knowledge is limited and I believe I have to add some routes but unsure of what command/syntax needs to be.

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• file system that allow to specify different RAID level per directory and change it afterward

  - by Adam Ryczkowski

  I have 5 hard drives, where I want to keep my data. Some of my files are more important, and some of them are less. So some of them I wish to put on RAID-6, and for some it RAID-5 is sufficient. It is difficult to predict at the moment of creation of the arrays how much space of each type to declare. What I would do if I didn't hear about zfs, is partition the hard drives into identical 100GB partitions, and as my needs grow, assemble those partitions into md devices using linux-raid. Then, I'd combine those devices using lvm into logical volumes where I'd put my data. So when I'd need more space of e.g. RAID-6, I'd take 100GB partition from each hard drive and assemble them into another RAID-6 md device and would use it as physical storage for the logical volume group dedicated for RAID-6 data. Then I could grow the file system on this logical volume. On top of RAID-6 and RAID-5 Volume Groups (managed by lvm) would reside completely independent file systems, which I'd later merge with multiple mount --bind into a single directory structure that would reflect the logical structure of data rather that of the storage. But now, when I heard about the ZFS with all the performance, data-healing and compression capabilities I cannot stop thinking if it can help me. If so, what do you think would be the best setup?

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• ERROR : MySQL server has gone away while running query

  - by Rashmi Nama

  I am using ubuntu 12.04 version. I am connecting properly to MariaDB from command prompt,I have a database named Dealer and have some tables in it but when i running any query, it gives an error.My steps as follow: mysql -uroot -proot use dealer; select * from dealer_outlet limit 1; now error occours ERROR 2006 (HY000): MySQL server has gone away No connection. Trying to reconnect... Connection id: 3 Current database: dealer ERROR 2006 (HY000): MySQL server has gone away No connection. Trying to reconnect... ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111 "Connection refused") ERROR: Can't connect to the server

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• localhost as hostname confusion [duplicate]

  - by Baboon

  This question already has an answer here: localhost as hostname confusion 1 answer I have a basic understanding about hostname and FQDN. Now I am confused, do I really have to specify a name for my hostname? So for example: Hostname: somename Domain: mydomain.com FQDN: somename.mydomain.com Now, I see something that the hostname is localhost. What is the difference and impact of that? So my FQDN if localhost is my hostname would be localhost.mydomain.com, right?

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• How to identify which website on my instance is receiving lots of traffic?

  - by Bob Flemming

  I am new to server administration and have just setup a new quad core instance which hosts around 15 websites. Over the past couple of days my server load has been averaging at around 15.00. I believe it is because of one (or maybe more) websites are getting spammed by spambots. Typing 'top' at the command line shows many processes from user 'www-data' which indicates lots of web traffic. Is there an easy way identify which one of my sites is taking a hammering? Reading the apache error logs is a very difficult tasks as most of the websites receive daily traffic of 10,000 + unique users. Any help would be appreciated!

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