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  • Apache Virtual Host Issue

    - by Nik
    I think I hate Apache now, but on with the issue. It might be a configuration error on my end or just my inability to see what's right in front of me, but I'm trying to configure a sub-domain in Apache and no matter what, it always redirects the sub-domain to the web root of the main domain. My configuration is posted below (and yes, the domain name information was purposefully modified): <VirtualHost *> DocumentRoot /var/www/root/ ServerName example.com <Directory /var/www/root/> allow from all Options +Indexes </Directory> </VirtualHost> <Directory /usr/share/squirrelmail> Options Indexes FollowSymLinks <IfModule mod_php5.c> php_flag register_globals off </IfModule> <IfModule mod_dir.c> DirectoryIndex index.php </IfModule> # access to configtest is limited by default to prevent information leak <Files configtest.php> order deny,allow deny from all allow from 127.0.0.1 </Files> </Directory> # users will prefer a simple URL like http://webmail.example.com <VirtualHost *> DocumentRoot /usr/share/squirrelmail/ ServerName squirrelmail.example.com </VirtualHost>

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  • Dumping active directory

    - by Nop at NaDa
    I work in the IT support department of a branch of a huge company. I have to take care of a database with all the users, computers, etc. I'm trying to find a way to automatically update the database as much as possible, but the IT infrastructure guys doesn't give me enough privileges to use Active Directory in order to dump the users, nor they have the time to give me the information that I need. Some days ago I found Active Directory explorer from Sysinternals that allows me to browse through Active Directory, and I found all the information that I need there (username, real name, date when it was created, privileges, company, etc.). Unfortunately I'm unable to export the data to a human readable format. I'm just able to take a snapshot of the whole database in a machine-readable format. Doing the snapshot takes hours and I'm afraid that the infrastructure guys won't like me doing entire snapshots on a regular basis. Do you know of any tool (command-line is preferable) that would allow me to retrieve the values of the keys or export it to XML, CSV, etc?

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  • less maximum buffer size?

    - by Tyzoid
    I was messing around with my system and found a novel way to use up memory, but it seems that the less command only holds a limited amount of data before stopping/killing the command. To test, run (careful! uses lots of system memory very fast!) $ cat /dev/zero | less From my testing, it looks like the command is killed after less reaches 2.5 gigabytes of memory, but I can't find anything in the man page that suggests that it would limit it in such a way. In addition, I couldn't find any documentation via the google on the subject. Any light to this quite surprising discovery would be great! System Information: Quad core intel i7, 8gb ram. $ uname -a Linux Tyler-Work 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux $ less --version less 458 (GNU regular expressions) Copyright (C) 1984-2012 Mark Nudelman less comes with NO WARRANTY, to the extent permitted by law. For information about the terms of redistribution, see the file named README in the less distribution. Homepage: http://www.greenwoodsoftware.com/less $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04 LTS Release: 14.04 Codename: trusty

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  • query keepalived

    - by tdimmig
    *Note: I have trouble deciding what should go in serverfault and what should go in superuser, if some kindly admin decides this is in the wrong place please move it for me - many thanks. I am implementing a basic HA system with keepalived. I only want to be notified of the failover in the case of hardware failure. I do, however, have the servers switch roles periodically. I have a track_script running on the backup that will vary it's return between 0 and 1 on an interval (once a week, once a month, whatever). Upon returning 0, the priority is raised above that of the master, upon returning 1 the priority is lowered again. This way they trade places on the configured interval. The question: What can I do to tell the difference between a switch caused by my script, and a switch caused because one of the servers died? I certainly want to be notified when there is an actual problem, but not every time the servers change places because of the script. I see that version 1.2.7 has snmp support and I may be able to use it to get some information that could tell me one way or another, but to be honest I've never used snmp before and I don't know how to get the information I want with it (my Google foo failed me).

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  • Why am I getting a Sharepoint error on a simple "hello world" web page?

    - by Fetchez la vache
    I've been granted admin access to an internal IIS server on which I need to set up a web site. Before doing anything technical I wanted to ensure that I could access the server, but when attempting to access a simple page (that does not refer to Sharepoint) at http://localhost/index.html when logged onto the server directly, I am getting Parser Error Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately. Parser Error Message: Could not load file or assembly 'Microsoft.SharePoint' or one of its dependencies. The system cannot find the file specified. Source Error: Line 1: <%@ Assembly Name="Microsoft.SharePoint"%><%@ Application Language="C#" Inherits="Microsoft.SharePoint.ApplicationRuntime.SPHttpApplication" %> Source File: /global.asax Line: 1 Assembly Load Trace: The following information can be helpful to determine why the assembly 'Microsoft.SharePoint' could not be loaded. WRN: Assembly binding logging is turned OFF. To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1. Note: There is some performance penalty associated with assembly bind failure logging. To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog]. -------------------------------------------------------------------------------- Version Information: Microsoft .NET Framework Version:2.0.50727.5456; ASP.NET Version:2.0.50727.5456 To be quite honest I know zip about Sharepoint, so why am I getting a sharepoint error on a basic "hello world" html page? Cheers :) Update: I've since supposedly uninstalled Sharepoint, but am still getting this error. Any ideas welcome!

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  • Is there a way to use VirtualBox without using it's resource registry?

    - by Catskul
    Summary VirtualBox seems to want everything to be "registered" which makes it much more annoying to work with on the command line. I'm attempting to create an automated script which will create, move, start, stop, and destroy virtual machines and virtual disks. Requiring registration will complicate the task for the following reasons. leaves state information around that can cause unpredicted edgecases causing scripts to fail. creates potential name space collisions for multiple process creating VMs with the same name moving/copying resources on the same machine is more complicated because references in the registry need to be updated copying resources (disk + vm combination) to another machine require reconfiguration once they reach their target machine, and require the transfer of extra meta data to do the reconfiguration. If something unexpectedly fails, and an unregister thus fails to happen, left over configuration information can cause problems in subsequent runs. Use Case My specific use case is for a continuous integration server which creates and destroys VMs and Disk images potentially with the same name, and would require more logic to deal with the registry's statefulness. Imaginary Example It seems that I should just be able to for example (using some imaginary and/or incorrect commands): mkdir foobar customdiskimg_script ./foo/foo.vdi vboxmanage createvm --name "foo" --ostype Linux --basefolder ./foo/foo.xml vboxmanage storagectl ./foo/foo.xml --name foo --add ide vboxmanage storageattach --storagectl foo --medium ./foo/foo.vdi ./foo/foo.xml vboxmanage startvm ./foo/foo.xml TLDR Is there a way to use virtualbox without "registering" harddisks and VMs?

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  • Undo Google Sync in chrome

    - by iamcreasy
    I didn't know that my google account wasn't in sync with my chrome for the last couple of months and now that I have link again, the restored record is several months old. Now, that I've lost all my recent bookmarks and all other stuff...is there anything or anyway so I could revert the Google sync so I can get my bookmarks back? Update 1 I have found that under C:\Users\Profile_Name\AppData\Local\Google\Chrome\User Data\Default there is a file named Bookmarks.bak that holds the old state of my bookmarks before the sync. Update 2 Bookmarks is the file that holds the current(after sync) bookmark list. I replaced Bookmarks with Bookmarks.bak and restarted chrome, but still chrome isn't fetching information from the updated file. So, I have my old bookmark information, but how to restore it in chrome. Update 3 : solved I still couldn't figure out why replacing the bookmarks file didn't work and aparently that's the only solution available on web. I reinstalled everything and then copied the old bookmarks file. Then I got my bookmarks back again. Lession learned : Check regularly if google sync is working.

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  • Constant crashes in windows 7 64bit when playing games

    - by yx.
    I've tried everything I can possibly think of in trying to fix this problem and I'm totally out of ideas, so any help would be appreciated: The problem: whenever I fire up a game, it works for a short while with no problems and then it would crash. Either its a hard crash, forcing me to reboot, or windows would report that the display driver has stopped working and recovered. Here is a list of things I've already tried: Drivers - tried the latest drivers (catalyst 9.12) as well as the stock drivers that came with the video card. Also have the latest BIOS/chipset Memtest - Ran Memtest86+ overnight, had no problems, the windows diagnostic tool also does not find any problems. Overheating - Video card/cpu temperatures are well below peak (42 and 31 Celsius receptively) PSU Voltage - CPUID shows that the voltage levels are all above what they should be. The PSU itself is only roughly 16 months old and is a good model. HDD - No errors when checked GPU - Brand new (replaced previous card since I thought it was the problem, apparently not) Overclocking - Everything is at stock levels, memory voltage is set to manufacturer's standard Specs: Motherboard: ASUS P5Q Pro CPU: Core 2 Duo E8400 3.0 ghz OS: Windows 7 home premium 64 bit Memory: Mushkin Enhanced 4GB DDR2 GPU: Sapphire HD 5850 1GB PSU: SeaSonic M12 600W ATX12V DirectX: DX11 Event Viewer after a crash always has these logged: A fatal hardware error has occurred. Reported by component: Processor Core Error Source: Machine Check Exception Error Type: Bus/Interconnect Error Processor ID: 1 The details view of this entry contains further information. A fatal hardware error has occurred. Reported by component: Processor Core Error Source: Machine Check Exception Error Type: Bus/Interconnect Error Processor ID: 0 The details view of this entry contains further information. A previous card that I had (4850x2) also had these errors, so I changed video cards, but the same thing is happening.

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  • cisco asa + action drop issue

    - by ghp
    Have created a tunnel between 10.x.y.z network and 122.a.b.c ..the tunnel is up and active, but when I try the packet tracer output ..I get the ACTION as drop. I have also enabled same-security-traffic permit intra-interface. Can someone help me what does this drop mean? Result: input-interface: inside input-status: up input-line-status: up output-interface: outside output-status: up output-line-status: up Action: drop Drop-reason: (acl-drop) Flow is denied by configured rule Packet Tracer output @Shane Madden: please find below the packet tracer output. CASA5K-A# CASA5K-A# config t CASA5K-A(config)# packet-tracer input inside tcp 10.x.y.112 0 122.a.b.c 0 Phase: 1 Type: ROUTE-LOOKUP Subtype: input Result: ALLOW Config: Additional Information: in 0.0.0.0 0.0.0.0 outside Phase: 2 Type: ACCESS-LIST Subtype: Result: DROP Config: Implicit Rule Additional Information: Result: input-interface: inside input-status: up input-line-status: up output-interface: outside output-status: up output-line-status: up Action: drop Drop-reason: (acl-drop) Flow is denied by configured rule CASA5K-A(config)# ======================================================================== The access-group are as follows : access-group acl-inbound in interface outside access-group acl-outbound in interface inside and the access-list's are access-list acl-inbound extended permit tcp any any gt 1023 access-list acl-outbound extended permit ip object-group net-Source object net-dest

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  • How to access Virtual machine using powershell script

    - by Sheetal
    I want to access the virtual machine using powershell script. For that I used below script, Enter-PSSession -computername sheetal-VDD -credential compose04.com\abc.xyz1 where, sheetal-VDD is hostname of virtual machine compose04.com is the domain name of virtual machine and abc.xyz1 is the username of virtual machine After entering above command , it asks for password. When the password is entered I get below error, Enter-PSSession : Connecting to remote server failed with the following error message : WinRM cannot process the reques t. The following error occured while using Kerberos authentication: There are currently no logon servers available to s ervice the logon request. Possible causes are: -The user name or password specified are invalid. -Kerberos is used when no authentication method and no user name are specified. -Kerberos accepts domain user names, but not local user names. -The Service Principal Name (SPN) for the remote computer name and port does not exist. -The client and remote computers are in different domains and there is no trust between the two domains. After checking for the above issues, try the following: -Check the Event Viewer for events related to authentication. -Change the authentication method; add the destination computer to the WinRM TrustedHosts configuration setting or us e HTTPS transport. Note that computers in the TrustedHosts list might not be authenticated. -For more information about WinRM configuration, run the following command: winrm help config. For more information, see the about_Remote_Troubleshooting Help topic. At line:1 char:16 + Enter-PSSession <<<< -computername sheetal-VDD -credential compose04.com\Sheetal.Varpe + CategoryInfo : InvalidArgument: (sheetal-VDD:String) [Enter-PSSession], PSRemotingTransportException + FullyQualifiedErrorId : CreateRemoteRunspaceFailed Can someone help me out in this?

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  • How do you do the offsite hard drive backups?

    - by kentchen
    I have been doing hard drive backups for a while, which I believe a lot of you guys do as well, but am having trouble figuring out a better way storing them offsite. I am wondering how you guys out there do that. Any policy or tips & tricks when it comes to offsite store your backups, mainly hard drives not tapes. Thanks in advance. [update] Thanks for mentioning the online backup. We are actually in the middle of this process. And I 100% agree that it's the ultimate way to go. However, considering the cost, sometimes it may not be the option, as it's a quite expensive option if you also consider the application level. I guess online backup can be a very good one in the separate topic. :)

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  • Route outbound connections from local network through VPN

    - by Sharkos
    I have a server A running OpenVPN, an OpenVPN client B (a rooted Android phone as it happens) and a third party C (a laptop, tablet etc.) tethered to B. B can use the VPN to access the internet via A; C can use the tethered connection WITHOUT the VPN to access the internet via B. However, with the VPN on B active, I cannot load information from the internet on C. A appears to log similar traffic inbound and outbound when B or C attempt to load a webpage, say, but the VPN on device B reports no inbound traffic when the connection originated from C. Where should I look for packets being dropped, and what ip rules should I use to make sure they are passed back through the VPN and into the local network B <- C? (I'll obviously post whatever further information is needed.) Further info Without VPN: root@android:/ # ip route default via [B's External Gateway] dev rmnet0 [B's External Subnet] dev rmnet0 proto kernel scope link src [B's External IP] [B's External Gateway] dev rmnet0 scope link 192.168.43.0/24 dev wlan0 proto kernel scope link src 192.168.43.1 With VPN: root@android:/ # ip route 0.0.0.0/1 dev tun0 scope link default via [B's External Gateway] dev rmnet0 [B's External Subnet] dev rmnet0 proto kernel scope link src [B's External IP] [B's External Gateway] dev rmnet0 scope link [External address of A] dev tun0 scope link 128.0.0.0/1 dev tun0 scope link 172.16.0.0/24 dev tun0 scope link 172.16.0.8/30 dev tun0 proto kernel scope link src 172.16.0.10 192.168.43.0/24 dev wlan0 proto kernel scope link src 192.168.43.1 192.168.168.0/24 dev tun0 scope link

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  • How to control/check CheckPoint rules changes (and another System events)

    - by user35115
    I need to check/control all system events on many CheckPoint FW1 - don't misunderstand - not rules triggering, but events such admins log on, rules changes and etc. I found out that I can make an log export using 2 methods: Grab logs Use special script that redirect Checkpoint log entries to syslog, FW1-Loggrabber But it's not clear for me does such logs also contain information that i need (admins log on, rules changes)? And If yes is it possible to filter events? I also suppose, that if system bases on *nix platform it must be a ploy - use based functions of the system to do what i want. Unfortunately i don't know where to "dig". May be you know? Updated: New info "FW-1 can pipe its logs to syslog via Unix's logger command, and there are third party log-reading utilities" So, the main question is how do my task in the best way? Has anybody already resolved such problem? P.S. I' m new with CheckPoint, so all information will be useful for me. Thank you.

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  • Automatic profile load on boot

    - by AnthonyW
    Is there any way to configure a computer to login automatically at bootup and then IMMEDIATELY switch users? The purpose is to trigger the profile loading process for the assumed user so that when they go to login, their profile loads instantaneously. Yet, the immediate user switch means that the login password is still required before any actual use. A few of the attempts I have made require storing the password in plain-text for the system to use. Needless to say that is undesireable. I have been looking for this solution for years; if anyone knows of a better solution to skinning this cat I am all ears. EDIT: tsdiscon command will Lock the workstation.

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  • Allow PHP to write file without 777

    - by camerongray
    I am setting up a simple website on webspace provided by my university. I do not have database access so I am storing all the data in a flat file. The issue I am experiencing is related to file permissions. I need PHP to be able to read and write the data file but I don't really want to set the file to 777 as anybody else on the system could modify it, they already have read access to everyone's web directories. Does anyone have any ideas on how to accomplish this? Thanks in advance

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  • Sizing Switches for Storage and Production

    - by Untalented
    Couple questions. Should you always completely separate the storage network switches from production switches or are VLANs fine to segment this traffic? Is there a golden rule here? How do you properly size a switch for your environment based on the specifications the manufacturer provide (Throughput, Forwarding Throughput, Stacking Throughput, Max Mac)? If you have two switch options and one has a maximum Mac address of 8,000 vs. another with 16,0000. What does this really mean to me? How do make sure one vs. another is sized properly for me? Besides VLAN and Jumbo Frame support, is there any other "Must" haves for a virtual environments production or storage networks? There is a wealth of knowledge on sizing SANs and such, but this seems equally important and it's quite challenging to find as much information. -- Just to add some tidbits of information for the environment. This setup above is referring to the data centers which supports two different locations which have about 100 users between the two in total. The storage traffic will be iSCSI and will be 3 ESXi Hosts and one SAN housing about 2.7TB of data. Since there is currently no storage network in place (no SAN), I'm having a hard time regarding #2 to really determine what backplane throughput and switch specifications will be sufficient.

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  • What happened to WinFS?

    - by Console
    The most interesting feature that was ever connected to what eventually became Vista was WinFS, a revolutionary (so it seemed, at least back then) new way of storing and accessing information on a computer. This feature was cut despite actually reaching a closed alpha/technical preview release. There was a smoke and mirrors blog post from MS about the technology living on in an upcoming SQL server release, but to me it just felt like it was axed, hard. Does anyone have any idea what happened to it? Is it killed, or just on the backburner? Was it just impossible to implement, too expensive, or did someone think of a better idea? Are there any projects (From MS or anyone else) that have similar goals?

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  • Can my employer force me to backup my personal machine? [closed]

    - by Eric B
    Here's the background: Approximately 1.25 years ago, the company I work for was acquired by a larger 400 person company. Before acquisition (and today still) we are all remote employees using our own personal hardware for work-related duties (coding, email, etc). We are approximately 15 employees within the larger organization. Some time after acquisition, the now owning company was slapped with a civil lawsuit. Part of this lawsuit (discovery) is requiring them to retrieve & store from us any related information. Because we were a separate company up until acquisition, there is a high probability that our personal machines might contain information about what the lawsuit alleges (email, documents, chat logs?, etc). Obviously, this depends largely on the person's job function (engineer vs. customer support vs. CEO). All employees are being required to comply. Since acquisition (1.25 yrs), the new company has not provided us with company laptops/desktops. We continue to use personal hardware, licenses, etc for work. Email is via POP3s and not hanging around on the mail server - it's on everyone's client. Documents are spread across personal machines. So, now they want us each to backup our complete personal machines. They are allowing us to create a "personal" folder where we can place personal documents. That single folder will be excluded from backup. Of course, that means total re-arrangement of documents, etc. For most of us, 99% of the data on the machine is NOT related to work. So, what's the consensus? Should we comply? What is their recourse if we do not?

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  • One single page showing 3 requests (also printing the headers)

    - by Korcholis
    Someone in my studio designed a webpage some years ago, and now the client decided to change the server (he moved to a Linux Apache server running Gen2 SMP, 64 bits, PHP version 5.3.8, Standard MYSQL version 5). It suddenly started to do weird things. When clicking on a link that requires login, the page redirects you to the login page using header() function in PHP. Curiously, the page shows this: OK The server encountered an internal error or misconfiguration and was unable to complete your request. Please contact the server administrator, [no address given] and inform them of the time the error occurred, and anything you might have done that may have caused the error. More information about this error may be available in the server error log. HTTP/1.1 200 OK Date: Mon, 15 Oct 2012 17:27:32 GMT Server: Apache/2.2.22 (Unix) FrontPage/5.0.2.2635 X-Powered-By: PHP/5.3.8 Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache Keep-Alive: timeout=5, max=399 Connection: Keep-Alive Transfer-Encoding: chunked Content-Type: text/html 232c Then the page itself, and then, another header: 0 1f4 OK The server encountered an internal error or misconfiguration and was unable to complete your request. Please contact the server administrator, [no address given] and inform them of the time the error occurred, and anything you might have done that may have caused the error. More information about this error may be available in the server error log. 0 What's most intriguing is that if you refresh the page or hit enter on the url, it loads correctly. I've been checking the logs, and it only blames of an inexisting favicon. I also checked the .htaccess, everything was correct (RewriteBase was / as intended, and the only stuff there is another rule that moves ^en/ requests to request?lang=en. Has anyone faced something like this? Edit: IE doesn't trigger these two headers. This is getting wierder.

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  • Why doesn't the value in /proc/meminfo seem to map exactly to the system RAM?

    - by Eric Asberry
    The values in /proc/meminfo for MemTotal don't make sense. As a human, eyeballing it, it seems to roughly correspond to the installed RAM, but for using it to display the installed RAM from an automated utility it appears to be inexact, and inconsistent. For a system with 1G of RAM, I would expect the MemTotal line to have a value of 1048576 - 1024*1024. But instead, I'm seeing 1029392. On another 4G box, I'm seeing 3870172, which is not a multiple of 1024, and it's not even close to 1029392*4. On an 8G box, I get 8128204, which again seems to have no correlation to the other values, nor is it a multiple of 1024. I'm trying to use this information to report the RAM on a status web page. My work-around is to just "round" it to the nearest 1G multiple, but I'd like to understand why these values seem inconsistent and don't match my expectations. Can somebody fill me in on what I'm missing here? EDIT: To expand on the accepted answer below.... The reference can be found here. Also of interest to me from that page, which explains the inconsistency, is this bit: meminfo: Provides information about distribution and utilization of memory. This varies by architecture and compile options. ...

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  • Store system passwords with easy and secure access

    - by CodeShining
    I'm having to handle several VPS/services and I always set passwords to be different and random. What kind of storage do you suggest to keep these passwords safe and let me access them easily? These passwords are used for services like databases, webserver user and so on that run customers' services, so it's really important to keep them in a safe place and strong. I'm actually storing them in a google drive spreadsheet file, describing user, password, role, service. Do you know of better solutions? I'd like to keep them on a remote service to make sure I don't have to make backup copies (in case my hdd would fail somehow). I do work on *nix platforms (so windows specific solutions are not a choice here).

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  • LVM vs RAID0 vs RAID "linear" - Combine 2 disks as one, data recovery?

    - by leto
    Hi there, given two 2TB USB external disks that have to be combined to one 4TB volume and formatted with one big Filesystem (XFS), I have a small question to ask. Does LVM provide better Data recovery, should one disk be unplugged/damaged by being able to recover the data of the still working disk or is everything lost? I would appreciate a solution where only the data of one disk is lost and I can recover the content of the other with the usual filesystem/lvm/raid tools. Is that possible with LVM or RAID "linear"? This is for storing unimportant files that can be retrieved from backup, but I want to save time :) Thank you in advance

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  • How to make a redundant desktop system with daily snapshots? (Is btrfs ready for use?)

    - by TestUser16418
    I want to configure a desktop system in which the home filesystem would be redundant (e.g. RAID-1), and would have weekly snapshots taken. I've already done this with ZFS, the snapshot system is wonderful, and with send/recv you can easily create backups on external media. Unfortunately, at that point, I want GNU+Linux and not FreeBSD or Solaris, so I'm looking for suggestions for good alternatives. I reckon that my alternatives are: btrfs - it seems to be exactly what I need, it has snapshots and commands that allow you to easily replicate zfs send. Yet all documentation mentions that it's still experimental. I can't seem to find any actual reports on its reliability or usability issues. Can you point me to any information on that issue that could clarify whether it would be a possible choice? I have a large preference for this option, mostly because I don't want to reformat the drives when btrfs becomes ready, but I there's no information on whether it's usable at all, whether it's a silly idea to use it, etc. The question that I cannot get the answer to is what does "experimental" mean. lvm snapshots and ext4 - preferably not, since it can consume an awful amount of space when new files are created. Creating 200 GB files requres 200 GB free space and 200 GB additionally for snapshots. I also have found it unreliable -- failed metadata rewrite results in an unreadable PV. I'm wondering how btrfs would compare here. A single filesystem (ext4) on a RAID-1 array with custom COW snapshots with hardlinks (like cp -al). That's my current preference if I can't use btrfs. So how experimental btrfs is, which should I choose, and do I have any other options? What if I don't keep external incremental backups, would that affect my choice?

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  • Optimize Apache performance

    - by Phliplip
    I'm looking for ways to optimize our current web server hosted in-house. I'm trying to supply as much relevant information below. Please let me know if you would require additional information in order to assist. Server is running 1 single website, which is an online pizza ordering platform built on Zend Framework (ver1). On traffic stats from the last month aprox 6.000 pageloads per day, concentrated mainly around dinnertime. Around 1500 loads/hour peaks in that period. We recently upgraded from a 2/2mbit aDSL-line to 100/100mbit fiber, and we still have performance issues at dinner time. We assumed the 2mbit was the issue. Website is pretty snappy in low-load periods. Hardware CPU: Intel(R) Xeon(R) CPU 5160 @ 3.00GHz (3000.13-MHz K8-class CPU) Mem: 328M Active, 4427M Inact, 891M Wired, 244M Cache, 623M Buf, 33M Free Swap: 16G Total, 468K Used, 16G Free (6GB physical, 16GB swap) Filesystem Type Size Used Avail Capacity Mounted on /dev/ad7s1a ufs 4.8G 768M 3.7G 17% / devfs devfs 1.0K 1.0K 0B 100% /dev /dev/ad7s1g ufs 176G 5.2G 157G 3% /home /dev/ad7s1e ufs 4.8G 2.8M 4.5G 0% /tmp /dev/ad7s1f ufs 19G 3.5G 14G 19% /usr /dev/ad7s1d ufs 4.8G 550M 3.9G 12% /var Server OS FreeBSD 8.2-RELEASE Software apache-2.2.17 php5-5.3.8 mysql-server-5.5 Apache footprint (example, taken from # top) 31140 www 1 45 0 377M 41588K lockf 2 0:00 0.00% httpd 31122 www 1 44 0 375M 35416K lockf 2 0:00 0.00% httpd 31109 www 1 44 0 375M 38188K lockf 2 0:00 0.00% httpd 31113 www 1 44 0 375M 35188K lockf 2 0:00 0.00% httpd Apache is using the prefork MPM, APC (Alternative PHP Cache). SSL module is loaded, but not utilized (as in don't really work, thus not used). There is a file containing settings for MPM modules, but as i see it's not included in the httpd.conf file, the include line is commented out. Thus i would guess that the prefork MPM is working of default values too. Here are some other Apache conf values that i found - which are included in https.conf Timeout 300 KeepAlive On MaxKeepAliveRequests 100 KeepAliveTimeout 5 UseCanonicalName Off HostnameLookups Off

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  • Am I obliged to use ipv6 tunnel services if I want to be able to use it?

    - by Zagorax
    I was looking for configuring Slackware to use ipv6 but all instruction I found speak about using an ipv6 tunnel that encapsulate ipv6 request into ipv4 packet and send them to an external router that extracts ipv6 request and sends a reply (or, at least, this is what I understood). Is that necessary? Isn't there a way to configure a pure ipv6 system? If yes, could you please point me to a guide that clearly explain how to enable ipv6 without this trick? I would like to configure my Slackware desktop at first, and then do the same with my Centos server. EDIT: maybe I gave you too few information. Sorry. I'll write some more information thanks to the posted guide. ~$ test -f /proc/net/if_inet6 && echo "Running kernel is IPv6 ready" Running kernel is IPv6 ready So, it seems ipv6 is enabled in my kernel. Some other output from ifconfig, route and /etc/resolv.conf content (with opendns): ~$ /sbin/ifconfig wlan0 | grep inet6 inet6 addr: fe80::21f:3bff:fe60:cc5b/64 Scope:Link ~$ /sbin/route -A inet6 | grep wlan0 fe80::/64 :: U 256 0 0 wlan0 ff00::/8 :: U 256 0 0 wlan0 ~$ cat /etc/resolv.conf inet6 nameserver 2620:0:ccc::2 nameserver 208.67.222.222 nameserver 208.67.220.220 But still, with ping6 I can only ping localhost (::1). Everything else is unreachable. Normal ping works fine. That is why I was asking if I am obliged to use a tunnel.

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