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• 3½" PATA Western Digital Caviar SE (250MB) makes steady ticking sound when idle

  - by intuited

  I've started to notice a ticking sound emanating from my WD2500JB. It is not alarmingly loud. The sound seems to occur only when the drive has been idle for some time, and will cease upon (some?) disk activity. The sound has a regular, steady cadence of somewhere between about 4 and 6 ticks per second. I'm not entirely certain that it just started making these sounds, since I previously had the drive — mounted in a USB enclosure — stored out of earshot, and only recently moved it to where I can hear it. The SMART attributes for the drive do not indicate any problems. I did have some errors to clean up recently (since I started noticing the sounds). The errors occurred on an ext3 filesystem. The drive had been powered down while mounted a few times prior to that fsck. Is this cause for alarm? Should I scrap the drive on principle?

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• ITIL Incident Classification - Fault vs SR vs Technical Incident

  - by ExceptionLimeCat

  I am new to ITIL and Incident classifcations and I am trying learn more about them and understand how they could integrate in our organization. I have found it difficult to find a clear definition of Fault vs. Service Request vs. Technical incidents. I am basing my definitions on this article: http://www.itsmsolutions.com/newsletters/DITYvol6iss27.htm As I understand it: Service Request - Service provided by IT as part of regular administration of a system. Fault - An unexpected error in a system. Technical Incident - An interruption or potential interruption in IT service due to an expected incident caused by some IT policy.

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• Pinning Google Chrome's "Application Shortcuts" to the Windows 7 Taskbar

  - by Humphrey

  I love the idea behind Google Chromes Application Shortcuts, but they don't integrate well for me into the Windows 7 taskbar. Ideally, I'd like to be able to have my most used webpages (gmail, calendar, etc) as separate windows, pinned to the Windows 7 taskbar. I've created some application shortcuts on my desktop, but I've come across the following problems. If I open my gmail application shortcut, and then later on open a normal chrome window the new window will also use the gmail icon in the taskbar, even if that window has nothing to do with gmail. (What's weirder, is that this new window then uses a high-res gmail icon, but my actually application shortcut window uses a low-res icon. If I pin the application shortcut to the taskbar, then the icon turns into the regular chrome icon. Any idea's how to fix these issues? Or are they bugs in google chrome? Chrome version: 4.0.249.89

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• Foward slash in kibana 3 query

  - by G Mawr

  I'm trying to add a query that will match a request that ends with a slash, like this one: n.n.n.n - - [16/Oct/2013:16:40:41 +0100] "GET / HTTP/1.1" 200 25058 "-" "Mozilla/5.0 (iPad; CPU OS 7_0_2 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A501 Safari/9537.53" I'm using the Lucene query type. If my query is set to *, I see the event. If I set it to request:"css", I see CSS requests, as expected. However, all of the following yield no results: request:"/" request:"\/" request:"\\/" I tried a Lucene regular expression, with no luck: request:/\// I note that someone else is getting what appears to be a similar issue, although that's on Kibana 2: https://github.com/rashidkpc/Kibana/issues/401 How can I query for requests that end with a / character?

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• How to dump remote database without mysqldump?

  - by deceze

  I want to dump the database on my remotely hosted site in regular intervals using a shell script. Unfortunately the server is locked down pretty tight, has no mysqldump installed, binary files can't be executed by normal users/in home directories (so I can't "install" it myself) and the database lives on a separate server, so I can't grab the files directly. The only thing I can do is log into the webserver via SSH and establish a connection to the database server using the mysql command line client. How can I dump the contents to a file a la mysqldump in SQL format? Bonus: If possible, how can I dump the contents directly to my end of the SSH connection?

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• How to configure custom error page in Plesk 9.3 for non existing folder?

  - by Junior Mayhé

  I'm trying to configure Plesk in order to show website visitors a custom error html. The current hosted site is an ASP.NET site. This site shows its custom errors on error403.aspx and error404.aspx files. Now to comply with plesk, I've created error_docs with required files like forbidden.html, etc... When user try to navigate http://mysite.com/a_missing_page.aspx, the visitor is redirected to error404.aspx correctly. But when user try to navigate to a non existent directory http://mysite.com/a_missing_folder/ the site takes me to IIS 404 regular page. Plesk has Custom error documents activated on Web hosting settings. ASP.NET Error pages defined in web.config are showing fine. But it seems plesk wont show its custom html error documents. The bottom line here is about setting up a custom error page to a directory. Is it possible to do this using Plesk or do I have to change it manually on IIS?

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• Drawbacks of installing linux on usb stick?

  - by Znarkus

  I am setting up a router/nas/http/whatever server based on an ION mini-ITX board. I've installed Ubuntu Server on an old 160 GB drive, but it generates a lot more heat and vibrates more than my other new drive (storage). It just doesn't fit the concept, and worse: it takes up a SATA port. As SSD's are crazy expensive I'm thinking of buying an extra 4 GB USB stick, and raid0 it. From my point of view, these are the pros/cons: Pros Low power consumption No vibrations No heat Smaller Get to buy new, larger USB stick (:D) Cons Shorter life time Slower Raid 0 More work maintaing/installing? I think the pros overweighs the cons. Shorter life time and raid 0 is countered by regular backups of the configs/settings. Slower is partially countered by raid 0, and I don't know about the last one. What do You think? Experience? Another solution?

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• Citrix ICA Client on Mac shift key doesn't work as expected.

  - by brianegge

  When I'm connected to a Windows XP computer from my Mac OS X 10.6 using the Citrix ICA Client, it seems that the shift key only works for the first letter typed after pressing shift. In order to type multiple uppercase letters, like ICA, I must either press caps lock, or press and release shift before each character. I've tried switching between standard and enhanced keyboard, as well as the 'Send Special Keys Unchanged' option, but none of these seem to affect the issue. The problem doesn't occur when I switch from the Citrix window to a regular Mac window.

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• how to rotate one squid user among multiple IPs based on number of requests processed by each IP

  - by Arvind

  I want to set up a Squid ACL in the following manner-- For example, my Squid Proxy Server has 10 IP addresses- now I have a user 'demouser'. I want that for the very first request sent to 'demouser' this user uses IP address #1, for the second request it uses IP address #2, for the 3rd request of the day it uses IP address #3 and so on till it uses up all IPs. One more level of control I would like is that once the user has used up all available IP addresses once per address, then it does not allow the proxy request to go through. How do I set up such a configuration on Squid Proxy server ACL? Even a document or how to would be very helpful. The official wiki talks about one 'weird' case- choosing an IP address based on time of day the request was made to the proxy server. The other cases are all regular use cases which are not even remotely near my requirement as specified above.

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• Prevent Server Restart after Windows Updates

  - by eidylon

  we have a number of servers in our office, as a small hosting company, and these servers are critical to business, ... web server, mail server, db server, etc. On a semi-regular basis, when the machines get automatic updates, they just automagically reboot themselves in the middle of the night. A number of them have software which must be running on the console session (bad practice, I know, but out of my control). When they reboot themselves, these programs obviously shut down, leaving customers upset and services interrupted. How do you set a Windows Server 2003 R2 machine to NEVER automagically reboot itself after updates? And perhaps, if possible, to instead email someone so that they are aware it needs a pending reboot and can schedule it for the best time? Thanks in advance!

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• Verify client certificate CN in Tomcat(APR)

  - by Petter

  I'm running a tomcat installation with the APR libraries installed (with the OpenSSL HTTPS stack that comes with it). What I'm trying to do is to lock a specific HTTPS connector down to users of a specific certificate. Adding client certificate verification is no issue, but I can't get it to validate against a specific Common name only. I was perhaps a bit naïve and thought the mod_ssl attribute SSLRequire typically used in Apache Httpd would work, but that property is not recognized by the Tomcat implementation. (http://tomcat.apache.org/tomcat-7.0-doc/config/http.html#SSL%20Support points to some mod_ssl docs, but the Tomcat implementation does not seem to cover all aspects of mod_ssl). I can get this to work by using the Java version of the connector instead of APR (losing some performance) and just add a trust store with that one certificate in it. However, using openssl without the SSLRequire expressions, I'm not sure how to do this with Tomcat7 (on Windows if that matters). <Connector protocol="HTTP/1.1" port="443" maxThreads="150" scheme="https" secure="true" SSLEnabled="true" SSLCertificateFile="mycert.pem" SSLCertificateKeyFile="privkey.pem" SSLCACertificateFile="CABundle.pem" SSLVerifyClient="require" SSLProtocol="TLSv1" SSLRequire="(%{SSL_CLIENT_S_DN_CN} eq &quot;host.example.com&quot;)"/> Can you suggest a way to make this work using Tomcat/APR/OpenSSL?

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• VERR_NOT_SUPPORTED when trying to create a windows 8 image in Virtualbox

  - by Bart Burg

  I'm trying to create a Virtualbox image of windows 8 consumer preview. I tried this tutorial: http://www.addictivetips.com/windows-tips/how-to-install-windows-8-on-virtualbox/ I did exactly what was said in that tutorial. At the step "Now navigate to the Windows 8 developer build ISO file that you downloaded and select it." I get the error "Could not get the storage format. (VERR_NOT_SUPPORTED)". I also get this if I use the regular wizard. Host OS: windows 7 Virtualbox version: 4.1.16 Both windows 8 64 bit and 32 bit tested.

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• Some general questions about Adobe fonts.

  - by aviraldg

  Questions: The Adobe fonts look distinctly clearer and much better than Arial. Any particular reason? Why does Adobe Caslon Pro show up among "C"s? (I know, Caslon starts with "C", but the font's name starts with "A", right?) Are more fonts like these available somewhere? (By "these", I mean non decorative, regular, and smooth) Why are there two versions of certain fonts like Adobe Heiti, which has: @Adobe Heiti and Adobe Heiti (which are not exactly the same, btw.) Thanks.

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• Apache Front End....Tomcat back end...SSL question

  - by Jared

  Hi Everyone, Question.... I have Apache setup as my webserver. Tomcat is hooked into Apache via mod_jk, so the user never interacts with Tomcat. I have set up SSL on the Apache Webser...I can hit it with https:// localhost When I try to access my application at ...https://localhost/app I get a directory not found error. Catch is when I go regular http... I can hit it fine... http:// localhost/app What do I have to edit for this connection to work? I have uncommented the AJP connector in server.xml I have added my virtual host to httpd.conf What am I missing? Thanks in advance. Jared

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• Setting up SVN+SSH for multiple users through one local user.

  - by Warlax

  Hi, I need to make our SVN repository accessible through the firewall - but without creating a local user for each potential external user. Instead, I would like to set-up SVN+SSH to route all external users through a single local user name. We would like each external user to authenticate with SSH the regular way but then treat their instance of svnserve as if they're all that single local user and possibly, control what parts of the repository each external user can access. I know that I will need to set my svnserve config according to the official guide. I tried, but the instructions are fuzzy and I am relatively a Linux n00b. What exactly are the steps to proceed? and how would you go about testing this? Thanks for your help.

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• Monitors - inches vs resolution

  - by Vnuk

  I'm currently moving away from living five years only on laptop to a desktop setup. I'm currently browsing for monitors and I've noticed something strange. On my laptop I have 1920x1200 on 17". To get the same resolution on a monitor I have to get Dell U2410 24" or Samsung SM2443NW 24". I do not need (or want) 7" more inches of screen, I just want the 1920x1200 resolution. Why is this setup (big resolution on less inches of screen) available on a laptop but not on a regular monitor? I'm setting this as a community wiki beacuse I think that there is no right answer here...

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• RAID10 without write-back cache = horrible write performance?

  - by Harry Mexican

  I have just provisioned a dedicated server on singlehop. I'm running it through some tests to know what to expect performance-wise. On the I/O side (with 4 1TB disks in RAID 10) I get: write-cache disabled 200 MB/s read throughput 30 MB/s write throughput I thought that was really low compared to my desktop HD which gets 150-150 or so. So I had a chat with them and they suggested enabling the write cache. New results: write-cache enabled 280 MB/s read 260 MB/s write which is great and all but means I'd have to add a BBU for an additional monthly cost. Is it normal for the write throughput to be 1/4 of a regular drive on RAID10, if you don't have write cache? It almost feels like its intentionally bad to force you to pony up for the BBU. I'd be happy with normal non-raid performance of 150/150.

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• Sharing an external hard drive in Ubuntu using Samba

  - by cambraca

  /media/MYDISK is where my hard drive is mounted automatically. I created a symlink using: ln -s /media/MYDISK /home/camilo/MYDISK chmod 777 /home/camilo/MYDISK I'm setting up smb.conf like this: [myshare1] comment = external disk browsable = yes path = /home/camilo/MYDISK guest ok = yes read only = no create mask = 0775 Also, in the [global] section I tried adding the following lines: follow symlinks = yes wide links = yes unix extensions = no The problem is that when browsing the shared folder in Windows 7, I get a "\\etc\myshare1 is not accessible" error. When pointing the path to a regular folder it works fine. Also, when I point it directly to /media/MYDISK, it shows the same error. EDIT: to make it more interesting, I have no graphical interface, so I need to touch the config files directly..

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• What does this IIS memory dump mean? (reserved memory)

  - by Jesse

  My w3wp's are recycling every 60 seconds after using too much virtual memory. I ran the IIS Debug Diagnostic Tool to capture a memory dump before the worker process recycled; the most interesting part seems to be this: Virtual Allocation Summary Reserved memory 4.88 GBytes Committed memory 328.27 MBytes Mapped memory 17.36 MBytes Reserved block count 524 blocks Committed block count 1082 blocks Mapped block count 43 blocks So that 4.88 GBytes of reserved memory seems really big. But neither the DotNetMemoryAnalysis or the regular Memory Pressure Analyzer seems to tell me where that 4.88 GB went. How can I find out?

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• solr reverse proxy Apache2

  - by Steven

  I am trying to setup Apache2 as Reverse Proxy for solr. Apache and Solr are on the same machine. Apache is serving other stuff as regular web server,too. solsearch config file in /etc/apache2/config.d/ # Proxy specific settings ProxyRequests Off ProxyPreserveHost Off <Proxy *> AddDefaultCharset off Order deny,allow Allow from all </Proxy> ProxyPass /solrsearch http://localhost:8983/solr/collection1/browse ProxyPassReverse /solrsearch http://localhost:8983/solr/collection1/browse Now trying [http://localhost/solsearch] gives me the first page of [http://localhost:8983/solr/collection1/browse], but with broken layout (like css missing). Result: error.log of apache: File does not exist: /var/www/solr, referer: [http://192.168.1.150/solrsearch]

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• How to safely backup MySQL using VSS-based backup solutions

  - by Rhyven

  One of my clients is running MySQL on a Windows Server 2008 system. Their regular backups are performed using StorageCraft's ShadowCopy, which uses the VSS service to perform backups of open files. Some investigation indicates that MySQL is not entirely VSS-aware, and that the tables need to be locked prior to the shadow operation, then unlocked afterwards. There is a post at http://forum.storagecraft.com/Community/forums/p/548/2702.aspx which indicates the steps that need to be performed, however the user had some difficulty in performing them and no follow up solution was ever posted. Specifically, they succeeded in writing a batch file to lock the database, however once the batch file returns from MySQL it drops the connection and thus relinquishes the lock. I'm looking for a method that I can send the MySQL command FLUSH TABLES WITH READ LOCK, then perform the backup, then send UNLOCK TABLES when the backup is complete. Alternatively, I can exclude the MySQL data storage folder from backup, and schedule a mysqldump backup into a folder that will then be backed up by VSS. Can I have some recommendations please?

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• What's the best solution for file sharing in my case? DAS or NAS?

  - by jakub

  I want to have in my network small, cheap and energy efficient server with will be fully customizable (Gnu/Linux, OpenBSD). What is more I want to have big, redundant storage in my network and access to it via server. I have already small terminal without hard drive (no SATA/PATA, one drive on USB) which works fine. I don't want to buy big server, or to use regular computer for that. It's not cheap. I thought about a small case (ITX?), and cheap computer in this with SATA ports, but I cannot find anything interesting :( I thought about NAS in network and server independently and booting server from NAS, I'm not sure which technologies will be good for that, and I don't know what with performance. Direct connection to NAS through network from workstation is next pro for that. What do you think about DAS? It will be good for that?

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• Vista x64: Improving troubleshoot approach skills

  - by Chau

  I'm not a Windows SuperUser, but neither just the regular user. I don't mind browsing the Registry, using Process Explorer, reading the Event logs, (un)installing new drivers and so on, but all this only makes me solve some problems. I tend though to run into problems where these tools aren't enough. Which tools should I learn about to improve my troubleshooting skills in Windows? Currently I'm using Windows Vista x64 (not moved to 7 yet), facing audio/video stuttering problems and I think this is a good place to improve my troubleshooting skills. I know this post is similar to this question, but my machine is only hanging occationally. Specs: Intel Q6600 Stock speed ASUS P5QD Turbo 4GB ram NVIDIA GTS-8800 640 HDA Xplosion 7.1 Seasonic 430W Windows Vista Business x64

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• Strategy to allow emergency access to colocation crew

  - by itsadok

  I'm setting up a server at a new colocation center half way around the world. They installed the OS for me and sent me the root password, so there's obviously a great amount of trust in them. However, I'm pretty sure I don't want them to have my root password on a regular basis. And anyway, I intend to only allow key-based login. On some cases, though, it might be useful to let their technical support log in through a physical terminal. For example, if I somehow mess up the firewall settings. Should I even bother worrying about that? Should I set up a sudoer account with a one-time password that will change if I ever use it? Is there a common strategy for handling something like this?

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• rsync over SSH with cron in osx-environment

  - by Martin

  I want to automatically download files and folders from a Linux server to which I have an SSH (and FTP) account. The files shall be downloaded on a regular basis (I suppose a cron is the right tool to do so) onto an OS X machine. I tried the following rsync command, which works fine: rsync -avzbe ssh [email protected]:/www/htdocs/something/somefolder /Users/me/folder/foo/ However I have to enter the account's password every time (the SSH account on the server machine). The server is a managed one and I'm afraid I can't change the password. Here are my questions: How do I bypass the entering of the password by storing it somewhere How do I automate this then correctly?

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