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  • Why do Linux networks use Samba?

    - by Dougal
    The "file and printer sharing" feature of Linux distros is mostly Samba. Samba is an interpretation of Microsoft's network filesystem. Cross-OS compatibility is important of course but why are Linux systems defaulting to this Microsoft technology? Is Microsoft's network filesystem so good? Samba clearly works very well and I'm not "dissing" it. Or, to rephrase the question, "What would be a Linux-native way to share files and printers across a network?"

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  • Querying Domain Controller objects using Powershell

    - by Neobyte
    Could someone explain to me why this does not work? Import-Module ActiveDirectory $dcs = Get-ADComputer -Filter {DistinguishedName -Like "*Domain Controllers*"} I get no results for this query. Alternatively, could someone suggest a way using the module above that I can generate a list of systems on my domain that are NOT Domain Controllers (which is what I'm eventually trying to achieve). Cheers

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  • How to Move Offline Files Cache in Windows 7?

    - by Portman
    On Vista systems, I've been using these instructions to relocate the "Offline Files Cache" from its default location of c:\csc. Works great. However, these instructions do not work on Windows 7. There is small discussion about the issue going on on TechNet but nobody yet has a solution. The problem is that the Migration Wizard has changed in Windows 7 and no longer provides a mechanism for doing this.

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  • Sysadmin Dress Code

    - by andyh_ky
    What kind of dress code do you have at work as a systems administrator? Business casual, casual, some days casual, some days business casual, formal? It's safe to say "it all depends on the type of day we're planning on having" - but what happens if you need to speak to some C level personnel? Do you have a spare set of clothes?

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  • Verify server performance

    - by George Kesler
    I'm looking for a quick and SIMPLE way to verify that new servers are performing as expected. The most important metric is disk performance, second is network performance. I’m trying to prevent problems caused by misconfiguration of RAID arrays, NIC teaming etc. The solution should work with both physical and virtual servers. I don’t need sophisticated analysis with different workloads, just one set of benchmarks which I would run against a reference server and later compare to new ones. One problem is that most benchmarks are not giving accurate results when running on a VM.

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  • How to use AIM to communicate with a Google Talk user?

    - by altendky
    How do I allow someone that uses the AIM desktop client to chat with someone else using the Google Talk desktop client? Both systems are Windows XP. The trick is that I don't want to have them have to change clients. Long ago I used Trillian... then Pidgin and now Meebo. But these are not solutions to the question. Also note that the Google client is not the web gadget.

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  • Analyzing Linux NFS server performance

    - by Kamil Kisiel
    I'd like to do some analysis of our NFS server to help track down potential bottlenecks in our applications. The server is running SUSE Enterprise Linux 10. The kind of things I'm looking to know are: Which files are being accessed by which clients Read/write throughput on a per-client basis Overhead imposed by other RPC calls Time spent waiting on other NFS requests, or disk I/O, to service a client I already know about the statistics available in /proc/net/rpc/nfsd and in fact I wrote a blog post describing them in depth. What I'm looking for is a way to dig deeper and help understand what factors are contributing to the performance seen by a particular client. I want to analyze the role the NFS server plays in the performance of an application on our cluster so that I can think of ways to best optimize it.

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  • Cannot connect to a 2008 sql server named instance hosted in a azure virtual machine

    - by emardini
    When I try to connect to a named instance in a SQL SERVER hosted in a azure VM I get this message: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1) The problem is the sql browser is not working properly, when I start the sql browser service it closes after a few seconds and the event log says "There are no instances of SQL Server or SQL Server Analysis Services." But I do have a named instance, I can connect locally to this instance. I've re-installed sql browser and the instance but ii does not work. The host is a azure virtual machine windows server 2008 datacenter. Please help. Thank you

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  • Metacity/GNOME full screen as default

    - by singpolyma
    I recently discovered the keyboard shortcut for metacity's "full screen" option, where a window is fully maximised with titlebar and border hidden. I like this mode a lot, and for one of my systems would like to make it the default for all new windows. How would I do that?

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  • Centos 5.5 [Read-only file system] issue after rebooting

    - by canu johann
    I have a virtual server under centos 5.5 (hosted by a japanese company called sakura ) Since yesterday, connection through ssh couldn't be established. I've contacted support center who told me to restart VS from the control panel. After restarting, I got the message below Connected to domain wwwxxxxxx.sakura.ne.jp Escape character is ^] [ OK ] Setting hostname localhost.localdomain: [ OK ] Setting up Logical Volume Management: No volume groups found [ OK ] Checking filesystems Checking all file systems. [/sbin/fsck.ext4 (1) -- /] fsck.ext4 -a /dev/vda3 / contains a file system with errors, check forced. /: Inodes that were part of a corrupted orphan linked list found. /: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY. (i.e., without -a or -p options) @@cat: /proc/self/attr/current: Invalid argument Welcome to CentOS Starting udev: @[ OK ] Setting hostname localhost.localdomain: [ OK ] Setting up Logical Volume Management: No volume groups found [ OK ] Checking filesystems Checking all file systems. [/sbin/fsck.ext4 (1) -- /] fsck.ext4 -a /dev/vda3 / contains a file system with errors, check forced. /: Inodes that were part of a corrupted orphan linked list found. /: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY. (i.e., without -a or -p options) [FAILED] *** An error occurred during the file system check. *** Dropping you to a shell; the system will reboot *** when you leave the shell. *** Warning -- SELinux is active *** Disabling security enforcement for system recovery. *** Run 'setenforce 1' to reenable. /etc/rc.d/rc.sysinit: line 53: /selinux/enforce: Read-only file system Give root password for maintenance (or type Control-D to continue): bash: cannot set terminal process group (-1): Inappropriate ioctl for device bash: no job control in this shell bash: cannot create temp file for here-document: Read-only file system bash: cannot create temp file for here-document: Read-only file system bash: cannot create temp file for here-document: Read-only file system bash: cannot create temp file for here-document: Read-only file system bash: cannot create temp file for here-document: Read-only file system bash: cannot create temp file for here-document: Read-only file system bash: cannot create temp file for here-document: Read-only file system bash: cannot create temp file for here-document: Read-only file system bash: cannot create temp file for here-document: Read-only file system bash: cannot create temp file for here-document: Read-only file system (Repair filesystem) 1 # setenforce 1 setenforce: SELinux is disabled (Repair filesystem) 2 # echo 1 (Repair filesystem) 4 # /etc/init.d/sshd status openssh-daemon is stopped (Repair filesystem) 5 # /etc/init.d/sshd start Starting sshd: NET: Registered protocol family 10 lo: Disabled Privacy Extensions touch: cannot touch `/var/lock/subsys/sshd': Read-only file system (Repair filesystem) 6 # sudo /etc/init.d/sshd start sudo: sorry, you must have a tty to run sudo (Repair filesystem) 7 # I have 4 site in production and I need to restart the server quickly (SSH + HTTPD ,...). Thank you for your time.

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  • Best Filesystem to use for Desktop Linux?

    - by contagious
    I'm going to be building a fancy new desktop soon, and I want to experiment with file systems. I know that ext3 is the most common for linux, but what about ext4, or zfs? Are their any pros or cons to certain ones? I won't be doing anything spectacularly off the wall, just using it as my main box. It is a good possibility that it will double as my web server, though.

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  • synchronous network audio

    - by intuited
    I'd like to have an audio transmission shared among computers on a LAN. Although there are various systems to do this -- shoutcast/icecast, pulseaudio, etc. -- I'm not aware of any that provide synchronization. I'd like to have different computers in the house playing the same audio, and have the same sample playing at the same time. Is there a system which can do this?

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  • windows service application run fine on windows XP but crashes on windows7

    - by Abbas Siddiqui
    I am sorry If my question asked before, I search extensively but didn't found. If present please post the link of that question. I have developed windows service that works fine on windows xp , when I installed it on windows7 it installed and works fine for few minutes, after that is crashes and gives the following error message. has stopped working windows is checking for the solution to the problem. the log entry is as follows Fault bucket 1155193276, type 5 Event Name: CLR20r3 Response: Not available Cab Id: 0 Problem signature: P1: windowsserviceapp.exe P2: 1.0.0.0 P3: 4bf29a85 P4: System.Windows.Forms P5: 2.0.0.0 P6: 4a275ebd P7: 16cf P8: 159 P9: System.ComponentModel.Win32 P10: Attached files: C:\Users\DELL\AppData\Local\Temp\WERF98D.tmp.WERInternalMetadata.xml These files may be available here: C:\Users\DELL\AppData\Local\Microsoft\Windows\WER\ReportArchive\AppCrash_windowsserviceap_89ea5da5168ff1535681aa613b5f7bf2b1636dc_111d24f1 Analysis symbol: Rechecking for solution: 0 Report Id: 24dc8c83-62a1-11df-b1ee-00271352d813

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  • database on SSD: data only or the DBM program too?

    - by simone
    I plan on moving the data I use for statistical analysis (100-ish Gb) onto an SSD. The data is either sqlite single-file db's, or postgresql-managed data. The SSD is 240 Gb, 550 MB/s read and 520 MB/s write. Should I reserve that space for the data only, or would it be a good idea to install the operating system (Mac OS X) and the application directory (Adobe Suite, Microsoft Office and the like) on the SSD too? And would it make a substantial speed difference whether I also install the postgresql binaries on the SSD? I have plenty of other space (another 300Gb hard-drive, and a 1Tb one). Don't know the features of the non-SSD drives, though they're our standard equipment on all Macs, and they're definitely OK. Thanks.

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  • Autocorrect for "fat fingers" - MS Word

    - by Jamie Bull
    I'm wondering if anyone knows of a plug-in for MS Word which can handle key-presses of surrounding keys when typing at speed (rather like iPhone or Android autocorrect)? My use case is in transcribing interviews where I need to type quickly (even with the playback at half speed) - but I don't do this often enough to become a proficient touch typist. I will also be paying close attention to the text produced in subsequent analysis so I have a reasonable expectation that I'll catch any "hilarious" autocorrect errors. Any pointers to plug-ins which work at either a system level or within MS Word would be great. Even in an open source word processor at a pinch, though I'd miss the MS Word environment and my macros. Thanks.

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  • Reviewing firewall rules

    - by chmeee
    I need to review firewall rules of a CheckPoint firewall for a customer (with 200+ rules). I have used FWDoc in the past to extract the rules and convert them to other formats but there was some errors with exclusions. I then analyze them manually to produce an improved version of the rules (usually in OOo Calc) with comments. I know there are several visualization techniques but they all go down to analyzing the traffic and I want static analysis. So I was wondering, what process do you follow to analyze firewall rules? What tools do you use (not only for Checkpoint)?

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  • Set default expand/colapse state on pivot tables

    - by CLockeWork
    The Setup I have a pivot table in tabular form pulling data from an Analysis Services Cube. I want to calculate the number of days between two dates, but the setup will only allow me to pull in all date elements, not just the date. I’ve been able to deal with this easily enough by just grouping all the columns: The Problem The default state for the expand/collapse buttons in the image above is often collapsed, but that means the dates I need aren’t there and you have to open the group and manually expand them. This also happens in some random ways (as shown in the image) where only some rows expand. The Question I need a way to set these sections to always be expanded, so that the user never has to open the group to expand the rows. Ideally I’d like to avoid VBA because our end users often block it, but if that’s what’s needed then so be it. Is there a way to set my pivot table to never collapse it’s predefined groups? Note the end user is using Excel 2010

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  • IDS for Linux ?

    - by nitins
    We need to setup an intrusion detection system (IDS) on our linux proxy server. Please suggest intrusion detection systems ? anything else than Snort ?

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  • Creating an office network and monitoring all activity without a proxy

    - by Robert
    We are setting up our office network and would like to track all the websites visited by our employees. However, we would not like to use any proxy based solutions. Our work is highly dependent on applications in which you cannot configure a proxy. Hence, the approach we would like to follow is setting up a router inside a computer (something like this : http://www.techrepublic.com/article/configure-windows-server-2003-to-act-as-a-router/5844624) This will also allow us to attach multiple ethernet cards and have redundancy in internet connectivity with complete abstraction from the user about which connection is being used. But most importantly, since all the traffic will be going through the computer (configured as a router) I assume there will be a way to run packet analysis on all the request / responses being made. For example, list all the FTP servers connected to (port 21), give a graph of all the URLs visited per day by frequency. Is there already a software which does this ? Or is it possible to build something like this ?

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  • How to automatically define functions and aliases on remote server after ssh login

    - by Ramon
    I want to define bash functions and aliases in my remote shell automatically on login. I can't put the definitions into .profile or similar because the users I log in as are often shared with others who use the same systems and I don't have control of this. What I'm trying to do is execute a few bash function definitions in the remote process and then continue as a login shell. I tried this but it did not work: cat ~/.profile - | ssh -tt user@host bash -l Any ideas?

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