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  • Installing Linux on a Windows 8.1 laptop

    - by nicoX
    I would like to clean install a linux distribution as Ubuntu etc. My laptop that runs Windows 8.1. I have two options in mind. Clean install or dual boot. My technical question is: my laptop have a 8GB SSD drive, which it uses to boot Windows with and a 500GB for storage. I wonder what that 8GB SSD stores? It can't store the whole Windows install as that would be much more than 8GB. Also if I would do a clean install of Ubuntu could I use the 8GB SSD to have Ubuntu boot up quicker. How would I install it. Option two, if I would like to dual boot, how would I proceed having the SSD to boot both systems? I also wish to ask about the Legacy and UEFI differences. Windows runs with UEFI. So when I'm installing Linux, should I run Legacy, and if I dual boot, what option to I choose?

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  • should i and how do i backup my database for a webapp that is hosted on amazon ec2 server?

    - by user8184
    I set up an amazon ec2 instance using ubuntu server edition. I install LAMP stack on it. I did up a php web app running on mysql. I have not officially launched, but I need to know this before launching. Should I backup my database data? If so, how should I do it as cost effective as possible? Previously for another web app, i wrote a perl or bash script (cannot remember) that will be executed by cron on a daily basis. The script will then backup the database into a single .sql file and send as email attachment to my gmail account. That web app was on shared hosting hence, I was quite sure i needed to do backup of my database. My files are on git repo so I am not worried about that. Please advise. I am totally unfamiliar with AWS. Only know as much as setting up an account. That is all. Thank you.

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  • Large, high performance object or key/value store for HTTP serving on Linux

    - by Tommy
    I have a service that serves images to end users at a very high rate using plain HTTP. The images vary between 4 and 64kbytes, and there are 1.300.000.000 of them in total. The dataset is about 30TiB in size and changes (new objects, updates, deletes) make out less than 1% of the requests. The number of requests pr. second vary from 240 to 9000 and is dispersed pretty much all over, with few objects being especially "hot". As of now, these images are files on a ext3 filesystem distributed read only across a large amount of mid range servers. This poses several problems: Using a fileysystem is very inefficient since the metadata size is large, the inode/dentry cache is volatile on linux and some daemons tend to stat()/readdir() it's way through the directory structure, which in my case becomes very expensive. Updating the dataset is very time consuming and requires remounting between set A and B. The only reasonable handling is operating on the block device for backup, copying, etc. What I would like is a deamon that: speaks HTTP (get, put, delete and perhaps update) stores data it in an efficient structure. The index should remain in memory, and considering the amount of objects, the overhead must be small. The software should be able to handle massive connections with slow (if any) time needed to ramp up. Index should be read in memory at startup. Statistics would be nice, but not mandatory. I have experimented a bit with riak, redis, mongodb, kyoto and varnish with persistent storage, but I haven't had the chance to dig in really deep yet.

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  • Error compiling PHP 5.5.9 on CentOS 6.5 during make command

    - by Chris Mancini
    Here is the error message: cc: internal compiler error: Killed (program cc1) Please submit a full bug report, with preprocessed source if appropriate. See <file:///usr/share/doc/gcc-4.6/README.Bugs> for instructions. make: *** [ext/fileinfo/libmagic/apprentice.lo] Error 1 The very last thing make was processing is apprentice.lo which appears to be part of the image manipulation libraries (maybe?). I am using Ansible to provision my instance. It is a Digital Ocean single core 512MB VM. I have been using vagrant / ansible with the same config locally for dev and it has compiled fine, this is the first cloud VM I am attempting to provision. The only difference is the base image for my DO server is coming from DO and for my local dev, I built my own Vagrant box via VirtualBox from a stock CentOS basic server install. I pull it down from my DropBox. The problem has been experienced by others and reported as a php bug report My php ansible role up to the error: --- - name: Download php source get_url: url={{ php_source_url }} dest=/tmp register: get_url_result - name: untar the source package command: tar -xvf php-{{ php_version }}.tar.gz chdir=/tmp when: get_url_result.changed or php_reinstall - name: configure php 5.5 command: > ./configure --prefix={{ php_prefix }} --with-config-file-path={{ php_config_file_path }} --enable-fpm --enable-ftp --enable-mbstring --enable-pdo --enable-soap --enable-sockets=shared --enable-zip --with-curl --with-fpm-group={{ nginx_group }} --with-fpm-user={{ nginx_user }} --with-freetype-dir=/usr/lib64/ --with-gd --with-jpeg-dir=/usr/lib64/ --with-libdir=lib64 --with-mcrypt --with-openssl --with-pdo-mysql --with-pear --with-readline --with-tidy --with-xsl --with-zlib --without-pdo-sqlite --without-sqlite3 chdir=/tmp/php-{{ php_version }} when: get_url_result.changed or php_reinstall - name: make clean when reinstalling command: make clean chdir=/tmp/php-{{ php_version }} when: php_reinstall - name: make php command: make chdir=/tmp/php-{{ php_version }} when: get_url_result.changed or php_reinstall Thanks in advance for any help. :)

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  • "iostat" command different in two equal machines

    - by Oz.
    We have several machines on Amazon (ec2) of the type c1.xlarge with 8 cpus, running the Amazon AMI. Details on the machine: 7 GB of memory 20 EC2 Compute Units (8 virtual cores with 2.5 EC2 Compute Units each) 1690 GB of instance storage 64-bit platform I/O Performance: High API name: c1.xlarge One out of the several machines is showing a high load average, since we have run the last yum upgrade a couple of weeks a go. We did not yet update the other machines, and everything looks normal on them. The strange thing is that the top command not showing any hint for the cause of the load. CPUs are - 4.8%us, 1.1%sy, 0.0%ni, 94.1%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st. Mem is about 1.5GB free. Any idea what could it be, or where else can we check? iostat command on the proper machine: avg-cpu: %user %nice %system %iowait %steal %idle 8.97 0.03 4.46 0.19 0.14 86.23 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn xvdap1 1.60 0.69 55.38 587620 47254184 xvdfp2 2.64 1.10 61.04 934786 52091056 xvdfp4 0.86 0.19 41.72 163866 35601920 xvdfp1 4.37 36.59 73.89 31220810 63051504 xvdfp3 8.03 7.08 94.63 6045402 80749184 iostat command on problematic machine: avg-cpu: %user %nice %system %iowait %steal %idle 9.29 0.04 5.55 0.26 0.11 84.74 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn xvdap1 2.13 3.34 68.85 246244 5077888 xvdfp1 7.60 74.31 104.88 5480362 7734840 xvdfp3 13.22 73.67 125.00 5433386 9218600 xvdfp4 1.11 0.76 65.08 55762 4799248 xvdfp2 4.16 3.31 99.17 243818 7313264 Many thanks for the help.

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  • Issue with InnoDB engine while enabling and [ skip-innodb ]

    - by Ahn
    How to enable InnoDB, which was previously disabled with skip-innodb option. Case 1: Disabled the innodb with skip-innodb option and show engines givens as below. Engine | Support ... | InnoDB | NO ...... Case 2: As I want to enable the innodb, I commanded the #skip-innodb option and restarted. But now the show engines even not showing the InnoDB engine in the list. ? Mysql Version : 5.1.57-community-log OS : CentOS release 5.7 (Final) Log: 120622 13:06:36 InnoDB: Initializing buffer pool, size = 8.0M 120622 13:06:36 InnoDB: Completed initialization of buffer pool InnoDB: No valid checkpoint found. InnoDB: If this error appears when you are creating an InnoDB database, InnoDB: the problem may be that during an earlier attempt you managed InnoDB: to create the InnoDB data files, but log file creation failed. InnoDB: If that is the case, please refer to InnoDB: http://dev.mysql.com/doc/refman/5.1/en/error-creating-innodb.html 120622 13:06:36 [ERROR] Plugin 'InnoDB' init function returned error. 120622 13:06:36 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. 120622 13:06:36 [Note] Event Scheduler: Loaded 0 events 120622 13:06:36 [Note] /usr/sbin/mysqld: ready for connections. Version: '5.1.57-community-log' socket: '/data/mysqlsnd/mysql.sock1' port: 3307 MySQL Community Server (GPL)

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  • How can I avoid permission denied errors when attempting to deploy a rails app with capistrano?

    - by joshee
    Total noob here. I'm attempting to deploy an app through Capistrano. I'm getting relentless permission denied errors when I attempt to run cap deploy:update. Seemingly at least some of these errors are due to missing directories that trigger a "Permission Denied" error. (I'm doing setup on root just temporarily.) set :user, 'root' set :domain, 'domainname.com' set :application, 'appname' # adjust if you are using RVM, remove if you are not $:.unshift(File.expand_path('./lib', ENV['rvm_path'])) require "rvm/capistrano" set :rvm_ruby_string, '1.9.2' # file paths set :repository, "ssh://[email protected]/~/git/appname.git" set :deploy_to, "/var/rails/appname" # distribute your applications across servers (the instructions below put them # all on the same server, defined above as 'domain', adjust as necessary) role :app, domain role :web, domain role :db, domain, :primary => true set :deploy_via, :remote_cache set :scm, 'git' set :branch, 'master' set :scm_verbose, true set :use_sudo, false set :rails_env, :production namespace :deploy do desc "cause Passenger to initiate a restart" task :restart do run "touch #{current_path}/tmp/restart.txt" end desc "reload the database with seed data" task :seed do run "cd #{current_path}; rake db:seed RAILS_ENV=#{rails_env}" end end after "deploy:update_code", :bundle_install desc "install the necessary prerequisites" task :bundle_install, :roles => :app do run "cd #{release_path} && bundle install" end Here's my result: ** [domainname.com :: out] Cloning into '/var/rails/appname/shared/cached-copy'... ** [domainname.com :: err] Permission denied, please try again. ** [domainname.com :: err] Permission denied, please try again. ** [domainname.com :: err] Permission denied (publickey,gssapi-with-mic,password). ** [domainname.com :: err] fatal: The remote end hung up unexpectedly I'm able to ssh without a password, so not sure about that publickey error. By the way, if I run cap deploy:update without set :deploy_via, :remote_cache, here's my result: ** [domainname.com :: out] Cloning into '/var/rails/appname/releases/20120326204237'... ** [domainname.com :: err] Permission denied, please try again. ** [domainname.com :: err] Permission denied, please try again. ** [domainname.com :: err] Permission denied (publickey,gssapi-with-mic,password). ** [domainname.com :: err] fatal: The remote end hung up unexpectedly command finished Thanks a lot for your help with this.

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  • VirtualBox: using physical partition as virtual drive

    - by Hamman Samuel
    Background: I am using VirtualBox installed on Windows 7. From within VirtualBox I am using Xubuntu as a virtual OS. The reason I chose this approach is so that I don't have to keep turning off Windows and rebooting from Xubuntu every time I needed to switch OSes. And VirtualBox's seamless mode is pretty amazing to allow me see Xubuntu and Windows 7 all in one screen. Issue: Now I am thinking of a way to have Xubuntu more integrated into my system. By this I mean I want to have a physical partition for Xubuntu. But I want to still have the feeling of the seamless mode. Question: So finally, my question is: is it possible to load a partition in VirtualBox as a virtual OS? Case examples: Ideal scenario would be: I physically boot up and login to Windows 7. Now I want to access Xubuntu, so I load VirtualBox and access my Xubuntu partition without rebooting. And the other way around too, i.e. I boot up the system, login to Xubuntu, and can access the actual Windows 7 partition through VirtualBox. Other info: Please note that I am not talking about getting access to files, as I have a completely separate partition for my files, and am very familiar with VirtualBox's Shared Folders option.

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  • Converting flv and mp4 video format to '.ogg' using FFmpeg

    - by user163906
    I have HostGator VPS server with FFmpeg installed. It allows me to convert .wmv to .flv as well as .mp4 files successfully using the following commands for flv and mp4: ffmpeg -i WantsABath.wmv -b 600k -r 24 -ar 22050 -ab 96k WantsABath.flv ffmpeg -i WantsABath.wmv WantsABath.mp4 but it won't allow me to convert any file format to .ogg. I tried using the command: ffmpeg -i input.mp4 -acodec libvorbis -vcodec libtheora -f ogv output.ogv by mondain but no luck with it. I am doubting that my VPS doesn't have libtheora installed. I tried configuring it by using SSH but I don't know how to make sure if it is installed or not. I tried checking with php_info but can't find anything regarding libtheora. Here's my FFmpeg version: FFmpeg version SVN-r19795, Copyright (c) 2000-2009 Fabrice Bellard, et al. configuration: --enable-libmp3lame --enable-libvorbis --disable-mmx --enable-shared --prefix=/usr/ --enable-gpl libavutil 50. 3. 0 / 50. 3. 0 libavcodec 52.35. 0 / 52.35. 0 libavformat 52.38. 0 / 52.38. 0 libavdevice 52. 2. 0 / 52. 2. 0 libswscale 0. 7. 1 / 0. 7. 1 This details doean't show libtheor Can anyone please suggest me something?

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  • mount.nfs: access denied by server while mounting (Kerberos authentication)

    - by Nick
    There's plenty of references to this error on Goggle, and even a question here with the same title, but it seems that "access denied by server while mounting" is a catch-all error. I've tried suggestions that others have used to fix this problem, but they did not work in my case. I'm trying to set-up a Kerberos-based NFS file server with shared homes for a Linux network. I'm using Ubuntu 11.04 Servers and clients. When trying to mount a share using: mount 192.168.1.115:/export/home/ /media/tmp I get: mount.nfs: access denied by server while mounting 192.168.1.115:/export/home/ This is the same if I mount it from a client machine or from the server itself. On the server, in /var/log/syslog I get: Aug 25 06:22:37 nfs mountd[1580]: authenticated mount request from 192.168.1.115:835 for /export/home (/export/home) Aug 25 06:22:37 nfs mountd[1580]: authenticated unmount request from 192.168.1.115:766 for /export/home (/export/home) Which is odd, since it says it's authenticated the request, not denying it. /etc/exports: /export *(rw,fsid=0,crossmnt,insecure,async,no_subtree_check,sec=krb5p:krb5i:krb5) /export/home *(rw,insecure,async,no_subtree_check,sec=krb5p:krb5i:krb5) On client: me@dt1:/$ rpcinfo -p 192.168.1.115 program vers proto port 100000 2 tcp 111 portmapper 100024 1 udp 37320 status 100024 1 tcp 48460 status 100003 2 tcp 2049 nfs 100003 3 tcp 2049 nfs 100003 4 tcp 2049 nfs 100227 2 tcp 2049 100227 3 tcp 2049 100003 2 udp 2049 nfs 100003 3 udp 2049 nfs 100003 4 udp 2049 nfs 100227 2 udp 2049 100227 3 udp 2049 100021 1 udp 58625 nlockmgr 100021 3 udp 58625 nlockmgr 100021 4 udp 58625 nlockmgr 100021 1 tcp 49616 nlockmgr 100021 3 tcp 49616 nlockmgr 100021 4 tcp 49616 nlockmgr 100005 1 udp 45627 mountd 100005 1 tcp 60265 mountd 100005 2 udp 45627 mountd 100005 2 tcp 60265 mountd 100005 3 udp 45627 mountd 100005 3 tcp 60265 mountd Any suggestions I could try?

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  • VMWare ESXi 5 - Expanded RAID 5 array - cannot access datastore

    - by Dayton Brown
    I'm using VMWare ESXi 5 and had a 2 TB RAID 5 setup on an HP DL360 with a P400i RAID card. I added two more 1 TB drives and using the SmartStart ACU, added the drives and expanded the logical disk. Now after booting back to ESXi, the server boots, but lists no available persistent storage. I've rescanned multiple times to no avail: the Datastore doesn't show up. I booted to GParted and the 1.8TB partition shows up, but it shows as unknown. Anyone have any good ideas? EDIT: Final Solution So after much gnashing of teeth, it was fairly simple to solve. I purchased an eSata 2 TB external drive and a PCI eSata card for my server. I then used Clonezilla to image the current partitions to my new external drive. You have to check "don't check drive sizes" in advanced mode, otherwise it will yell at you for have a smaller drive. For some reason my PCI card wouldn't boot on my HP server, so I hooked the drive up to another desktop I had, booted to VMWare, and copied the vmdk's to another drive. I'm going to blow out the RAID config and then create 1.5TB logical drives.

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  • Upgraded users to Win7. Now getting "path not found" when saving files or opening attachments

    - by Matt Penner
    We have a Server 2008 AD environment with about 5k users. We just rolled out Windows 7 SP1 (were XP) with great success. However, about once a day we get a few calls that a user opens a file from their Documents (the folder is on the server and redirected), edits it and attempts to save but Win7 reports that the path is not found either because it doesn't exist or no permissions. The only way to fix it is to delete the profile. In addition we get about the same number but different users saying that they cannot open attachments from Outlook 2010 due to no permission. We have to edit the temp Outlook storage path in the registry to fix it (or delete the profile). I think the two issues may be related. What scares us is that we rolled out 1 month ago and had no calls of this nature until about 2 weeks ago. It started off as one or two but seems to be growing. Any ideas? We're going to open a Microsoft ticket but I wanted to seenif anyone else has run into this. Thanks!

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  • netlogon errors

    - by rorr
    I have two instances of mssql 2005 and am using CA XOSoft replication. The master is a failover cluster and the replica is a standalone server. They are all running Server 2003 sp2 x64. Same patch levels on all servers. This setup has worked great for several months until we recently restricted the RPC ports on both nodes of the master(5000 - 6000 using rpccfg.exe). We have to implement egress filtering, thus the limiting of the ports. We began receiving login errors for sql windows authentication and NETLOGON Event ID: 5719: This computer was not able to set up a secure session with a domain controller in domain due to the following: Not enough storage is available to process this command. This may lead to authentication problems. Make sure that this computer is connected to the network. If the problem persists, please contact your domain administrator. We also see group policies failing to update and cluster file shares go offline at the same time. The RPC ports were set back to default when we started seeing these problems and the servers rebooted, but the problems persist. The domain controllers are not showing any errors. Running dcdiag and netdiag shows everything is fine. We have noticed that the XOSoft service ws_rep.exe is using a lot of handles(8 - 9k), about the same number that sqlserver is using. As soon as xosoft replication is stopped the login errors cease and everything functions correctly. I have opened a ticket with CA for XOSoft, but I'm not sure that the problem is actually xosoft, but that it is the one bringing the problem to light. I'm looking for tips on debugging RPC problems. Specifically on limiting the ports and then reverting the changes.

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  • then an error occurred during the login process - Connection Error 233

    - by scott brunner
    We have SQL Server 2008 installed on 64Bit Windows Server 2003. When we try connect to the local SQL Server using SQL Server Management Studio at the console, we get the error: A connection was successfully established with the server, but then an error occurred during the login process. provider: Shared Memory Provider, error: 0 - No process is on the other end of the pipe. When we try TCP from same local SSMS to local server, we get the same error but intead of the pipe message its something like "connection forcibly closed". Now, here is the strange part - we CAN connect to this SQL Server from any other machine on the network using SSMS. - AND - WE CAN'T connect to ANY SQL Server from the problem server. So it seems the SQL Server instance is fine and accepting remote connections. However, the SSMS on that machine will not connect to any SQL Server even remotely. When we try an ADO.NET connection from C# remotely we can connect, run that same code on the console of the trouble server and we get the same errors. How can this be solved?

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  • How do I share a complete XP disk so it can be seen from a Windows 7 system? (To move all files to a

    - by Ian Ringrose
    This should be easier! (both computers can see the internet etc so I know the network it’s self is working) I have a normal home network with a Windows XP machine on it and the new Windows 7 (64 bit) machine. So I can transfer the files to the new Windows 7 machine, I wish to share the complete disk (and all files) from the Windows XP machine and access them from the Windows 7 machine. Is there a step by step set of instructions for doing this anywhere? So fare I have: put both computers into the same workgroup put the windows 7 machine into work network mode so it can see the XP machine in the work group shared the XP disk as read only But when I try to access a lot of the folders on the XP disks, I am told I am not allowed to access them. (I was not asked for any passwords by the windows 7 machine when I accessed the XP machine. The XP machine just has its default account with no password set on it) The XP machine runs XP home and hence has "simple file shairing" turn on. So it seems that even if I create a admin account (with password) and connect with that account, it still comes in as "guest" on the XP machine. Chooseing to share the folder I want access to rather then the top of the disk drive seems to work, but is a pain as I need to share each user's folder with a different share name. If the new computer was not a laptop, I would just plug the hard disk from the old machine into it, but being a laptop I don't have that option.

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  • Windows Server 08 R2 file share File locking, OSX clients

    - by Keith Loughnane
    I've spent the last two weeks banging my head against this wall. I think I'm starting to understand the problem though. I manage a design company and they have 5 macs (OSX 10.5/.6/.7) connected over SMB to a Windows 2008 R2 file server, another machine functions as Domain Controller (that might not matter). All the macs can connect ok, no issues finding the server or logging in. For the most part things are ok. The problem is files locking up. I thought it was a permissions issue at first but it seems to be file locking. The users open a file; .ind, .pdf etc the file opens, the software reads it and closes it. That's fine, but the folder above the folder locks, it can't be moved and it can't be renamed. Eg: /Working/Project01/Imagefiles/image.pdf /Finished/ The user opens image.pdf, closes it and wants to move the whole Project01 folder into Finished. It gives a username/pass dialogue and then does nothing, no error, or just does nothing. Trying to rename gives a dialogue that says you don't have permission. It looks like it's looking for permission locally, which is why I spent about a week looking at that. Eventually I found that Finder on the macs seems to be keeping the folders open. I can work around it by Killing finder, remounting the shared drive or closing the file through the server manager but this just proves the theory it's not a solution. Has anyone dealt with this problem?

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  • Known USB 2.0 devices don't install driver, but must be manually forced

    - by Darragh
    When a known USB 2.0 device is plugged in and detected, it doesn't install the driver correctly but shows a Code 28 error and lists the device under "Other Devices" in Device Manager. When view properties of this device , it shows the following status; The drivers for this device are not installed. (Code 28) There is no driver selected for the device information set or element. To find a driver for this device, click Update Driver. When updating the driver manually and selecting the appropriate driver Windows doesn't believes it's the correct driver, but you can force the installation and it works! The other condition the driver will auto-install is when the same USB device is plugged into a USB 3.0 port. Power related issues are not also causing this as I have tried vi a Docking station, USB hub. etc.. Devices tried; Jabra Headset USB-Mass Storage Device (flash disk and ext HD) MS Wireless Keyboard & Mouse USB Ethernet controller (USB-MAC controller) This is on a laptop part of a Domain with Windows 7 Ent 7601, I am logged in as a local administrator. There isn't any Group Policies blocking not signed driver or whitelisted devices on the domain. Any suggestions please feel free

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  • Can't mount Linux usb disk. It just create /dev/sg device but no /dev/sd

    - by MTilsted
    I have a Corsair R60 ssd disk which is a disk with both sata and usb connectors. But the usb thing seems to be a bit non-standard, or maybe its just my fedora linux. When I insert the disk using a usb cabel to a running Fedora 14 linux system, a device called /dev/sg3 is added but that is all. No new /dev/sd* device is created so I can't mount the disk. If I look at cat /proc/scsi/sg/device_strs I get ATA Hitachi HTS54321 FB2O HL-DT-ST DVDRAM GSA-T50N RP05 Seagate Desktop 0130 Corsair CSSD-R60GB2 So the disk is there. (The last entry) but my linux will for some reason not see it as a usb hard disk. When I insert other usb disks they work fine. It is only this specific disk which causes problems. I have tried on 3 different computers with the same result. A hint to the problem may be that if I add the disk to a windows system(With usb) the disk is called "A fixed disk" and not a portable disk as expected. The disk works fine with linux If i connect it with the sata cabel, but I would really like to have it working with usb too. (To mount it on computers without sata). Added: I did try to mount /dev/sg3 but mount say that its not a block device. (File say Its a character special device). Added output from dmesg: [ 97.454073] usb 7-1: USB disconnect, address 2 [ 105.913055] hub 2-0:1.0: unable to enumerate USB device on port 3 [ 107.048054] usb 2-3: new high speed USB device using ehci_hcd and address 5 [ 107.162900] usb 2-3: New USB device found, idVendor=1b1c, idProduct=1ab8 [ 107.162903] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=5 [ 107.162906] usb 2-3: Product: CSSD-R60GB2 [ 107.162908] usb 2-3: Manufacturer: Corsair [ 107.162910] usb 2-3: SerialNumber: 10111441000000990069 [ 107.167651] scsi7 : usb-storage 2-3:1.0 [ 108.195543] scsi 7:0:0:0: Direct-Access Corsair CSSD-R60GB2 PQ: 1 ANSI: 0 [ 108.197732] scsi 7:0:0:0: Attached scsi generic sg3 type 0

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  • Print from Linux to Windows networked printer

    - by wonkothenoob
    I want to print from a Debian (Lenny) workstation to a Windows networked printer. I'm not even sure what type of Windows network this is. Our tech-support is friendly but doesn't want to get involved with supporting Linux. I need to use it for a variety of reasons and am completely stumped because I know nothing about Windows networking. They gave me URI smb://msprint.ourorg.edu as the "address" of the printer and further confirmed that the domain is "OURORG" and the share is "PHYS-PRI". I've installed CUPS and made sure that it's running as a daemon, I've clicked on the system-config-printer[1] icon, selected the printer as a Windows printer shared via SAMBA and entered the above URI. Attempting to print a testpage just sees it sit in the queue. I attempted to see if I could access the share using two other methods. Method 1. First I tried the "smbclient" from the CLI: $ smbclient -L //msprint.ourorg.edu -U user23 timeout connecting to 192.168.44.3:445 timeout connecting to 192.168.44.3:139 Connection to msprint.ourorg.edu failed (Error NT_STATUS_ACCESS_DENIED) Method 2. I tried to use the GUI tool Smb4K. This shows me four other toplevel (I'm assuming they're domains?) groupings one of which is the one which our IT department supplied to me. Clicking them shows a bunch of other machines with (what I assume are NetBIOS names?) including my own. I see all sorts of other networked printers belonging to other departments but none within mine. Certainly not the PHYS-PRI one suggested to me by the IT folks. I realize that I'm probably using the wrong terminology for the windows network, but can anyone help me with this? What steps should I be taking in debugging this? Do I need to actually run my machine as a SAMBA server to authenticate to the printer or should I just be able to communicate using CUPS? It's a GUI to CUPS configuration http://cyberelk.net/tim/software/system-config-printer/

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  • Access NFS share from cygwin?

    - by Jason Voegele
    We have a Windows 2003 Server on which we have installed Microsoft's Services for UNIX, and we have mounted a few NFS shares that contain shared resources that we need to access from this box. When I log in to this server with remote desktop, I am able to browse the contents of the NFS shares and everything works fine. However, one use case that we have is that we need to access this server using SSH, and still be able to access the NFS shares. We are running the Cygwin SSH daemon to provide SSH access to the server, but for some reason when we log in to the Windows 2003 server using SSH we can no longer access the NFS shares. To demonstrate, here is the output of the 'mount' command, first from a Cygwin shell when logged in with remote desktop: $ mount C:/cygwin/bin on /usr/bin type ntfs (binary,auto) C:/cygwin/lib on /usr/lib type ntfs (binary,auto) C:/cygwin on / type ntfs (binary,auto) C: on /cygdrive/c type ntfs (binary,posix=0,user,noumount,auto) O: on /cygdrive/o type nfs (binary,posix=0,user,noumount,auto) P: on /cygdrive/p type nfs (binary,posix=0,user,noumount,auto) Z: on /cygdrive/z type nfs (binary,posix=0,user,noumount,auto) And now, the same 'mount' command when logged in with SSH: $ mount C:/cygwin/bin on /usr/bin type ntfs (binary,auto) C:/cygwin/lib on /usr/lib type ntfs (binary,auto) C:/cygwin on / type ntfs (binary,auto) C: on /cygdrive/c type ntfs (binary,posix=0,user,noumount,auto) Notice the missing O: P: and Z: NFS shares in the latter. Can anyone tell me why I am unable to see these NFS shares when logged in with SSH? Thanks!

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  • Creating multiple SFTP users for one account

    - by Tom Marthenal
    I'm in the process of migrating an aging shared-hosting system to more modern technologies. Right now, plain old insecure FTP is the only way for customers to access their files. I plan on replacing this with SFTP, but I need a way to create multiple SFTP users that correspond to one UNIX account. A customer has one account on the machine (e.g. customer) with a home directory like /home/customer/. Our clients are used to being able to create an arbitrary number of FTP accounts for their domains (to give out to different people). We need the same capability with SFTP. My first thought is to use SSH keys and just add each new "user" to authorized_keys, but this is confusing for our customers, many of whom are not technically-inclined and would prefer to stick with passwords. SSH is not an issue, only SFTP is available. How can we create multiple SFTP accounts (customer, customer_developer1, customer_developer2, etc.) that all function as equivalents and don't interfere with file permissions (ideally, all files should retain customer as their owner)? My initial thought was some kind of PAM module, but I don't have a clear idea of how to accomplish this within our constraints. We are open to using an alternative SSH daemon if OpenSSH isn't suitable for our situation; again, it needs to support only SFTP and not SSH. Currently our SSH configuration has this appended to it in order to jail the users in their own directories: # all customers have group 'customer' Match group customer ChrootDirectory /home/%u # jail in home directories AllowTcpForwarding no X11Forwarding no ForceCommand internal-sftp # force SFTP PasswordAuthentication yes # for non-customer accounts we use keys instead Our servers are running Ubuntu 12.04 LTS.

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  • UW-IMAP server, high load for one user

    - by Bruce Garlock
    We have been experiencing a very strange anomaly, with one specific user with our UW-IMAP server. We have about 75 users using the server, and one particular user, who is in about the middle as far as used storage keeps having issues with slow speed. Most of our users all use Thunderbird 2, or Thunderbird 3. Mostly 2, because of the performance issues we have had with 3. This user was on 3, and I downgraded him to 2. The performance has gotten better, but according to the imapd processes on the server, his username is using the most CPU % and CPU time. I've already done all the usual T/S'ing: Started profile from scratch, compacted folders, re-indexed, newer faster computer, etc.. Still, this users' imapd process is always using the most CPU on the server. For troubleshooting, we setup another user which has more usage, folders, etc.. than he does, but we don't see the users process taking up most of the CPU with the imapd process. So, it almost sounds like a particular email may be the culprit, but how can we find it, if thats the problem? This has been going on for a while, and he is a management person, so his patience is about to end. Does anyone have any ideas?

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  • how to remove background layer of djvu file

    - by Jon
    Hello, I've downloaded some files from the Internet Archive. They come in different file formats and most of the time I use pdf. However, sometimes the scans are saves in colour instead of b/w. This makes it difficult/impossible to read on a dedicated ebook reader. In that case I downloaded the djvu files as on the PC you can select which layer (color, bw,fore,back) one would like to see. Selecting the bw gives excellent results. However, the ebook reader does not has this option. The question is, how can I remove /extract a layer from the djvu file and save only this layer. So far I've tried the following two approaches: 1) select bw in the djvu viewer on the PC and printed to postscript file. Followed by a ps2pdf conversion. This works, but generates a fairly large pdf file. Sure, I can again upload it to any2djvu but it just seems to much manual work for each file. 2) I tried the shared annotation feature and said (mode bw). This works on the PC as desired but is ignored on the ebook reader as the other layers are still present. Any help or suggestions would be greatly appreciated.

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  • Retrieve a user's Exchange database in powershell

    - by Paul
    Hey Everyone, I've scoured the interwebs for a few days now off and on to find this. I am creating a powershell script for email-enabling new user's(Exchange 2007). To give you a little background when we have a new hire, their AD account is created at our off-site helpdesk, but they don't create their email account. I'm trying to automate the process of mail-enabling the user which involves putting them in the same database as an existing user, disable imap pop activesync, and lastly email the requester of the ticket. I would like to just get prompted for the New User's name, User to Replicate(mailbox, storage group, database), and the person to email after it's been created. So if someone could just help with a command to Retrieve a user's Exchange database in powershell that would be great, but if people also want to help with my hacked up script please do so as well!!! Here is what I have so far: Write-output “ENTER THE FOLLOWING DETAILS” $DName = Read-Host “User Diplay Name" $RUser = Read-Host "Replicate User(Database Grab)" ***$RData = #get the Replicate user's mailbox database here*** $REmail = #either just use a Read-Host “Requester's Email address" or ask for Requester's name and pipe through their email address by digging for it w/ powershell Enable-Mailbox -Identity "$DName" -Database "$RData" Send-MailMessage -From "John Doe <[email protected]>" -To (put $REmail here which is the Requester's email) -Subject "Test Person's email account" -Body "Test Person's email account has been setup.`n`n`nJohn Doe`nGeneric Company`nSystems Administrator`nOffice: 123.456.7890`[email protected]" -SmtpServer genericexchange.exchange.com

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  • Replace Linux Boot-Drive | ext3 to btrfs

    - by bardiir
    I've got a headless server running Debian Linux currently. Linux vault 3.2.0-3-686-pae #1 SMP Mon Jul 23 03:50:34 UTC 2012 i686 GNU/Linux The root filesystem is located on an ext3 partition on the main harddrive. My data is located on multiple harddrives that are bundled to a storage pool running with btrfs. UUID=072a7fce-bfea-46fa-923f-4fb0827ae428 / ext3 errors=remount-ro 0 1 UUID=b50965f1-a2e1-443f-876f-578b5f93cbf1 none swap sw 0 0 UUID=881e3ad9-31c4-4296-ae60-eae6c98ea45f none swap sw 0 0 UUID=30d8ae34-e2f0-44b4-bbcc-22d761a128f6 /data btrfs defaults,compress,autodefrag 0 0 What I'd like to do is to place / into the btrfs pool too. The ideal solution would provide the flexibility to boot from any disk in the system alike, so if the main drive fails I'd just need to swap another one into the main slot and it would be bootable like the main one. My main problem is, everything I do needs to result in a bootable system that is open to ssh logins via network as this server is 100% headless so there is no possibility to boot it from a live cd or anything like that. So I'd like to be extra sure everything works out fine :) How would I best go about this? Can anybody hint me to guides or whip something up for these tasks? Anything I forgot to think about? Copy root-data into btrfs pool, adjust mountpoints,... Adjust GRUB to boot from btrfs pool UUID or the local device where GRUB is installed Sync GRUB to all harddrives so every drive is equally bootable (is this even possible without destroying the btrfs partitions on the drives or would I need to disconnect the drives, install grub on them and then connect them back with a slightly smaller partition?)

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