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  • Hard Drives: Always on or spin up/down as needed?

    - by Terminal Frost
    The specific application is a NAS that hosts media content and is frequently accessed during the day. My NAS was probably cycling on and off around 5 times a day so I decided to not allow it to spin down. I'm thinking this will be better for the drive, but I am not sure. I am wondering, however, if there is any concrete information out there as to what causes more detrimental wear on a hard disk: Spinning 24/7 or cycling on and off as needed?

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  • What are useful .screenrc settings?

    - by gyaresu
    Basically like some of my own that I've posted below. I'm looking for added functionality to the programme 'screen'. At the very least have a look at the last line for a fantastic 'menu bar' at the bottom of a screen session. ## gyaresu's .screenrc 2008-03-25 # http://delicious.com/search?p=screenrc # Don't display the copyright page startup_message off # tab-completion flash in heading bar vbell off # keep scrollback n lines defscrollback 1000 # Doesn't fix scrollback problem on xterm because if you scroll back # all you see is the other terminals history. # termcapinfo xterm|xterms|xs|rxvt ti@:te@ # These will let you use bind -c selectHighs 0 select 10 #these three commands are bind -c selectHighs 1 select 11 #added to the command-class bind -c selectHighs 2 select 12 #selectHighs bind -c selectHighs 3 select 13 bind -c selectHighs 4 select 14 bind -c selectHighs 5 select 15 bind - command -c selectHighs #bind the hyphen to #command-class selectHighs screen -t rtorrent 0 rtorrent #screen -t tunes 1 ncmpc --host=192.168.1.4 --port=6600 #was for connecting to MPD music server. screen -t stuff 1 screen -t irssi 2 irssi screen -t dancing 4 screen -t python 5 python screen -t giantfriend 6 these_are_ssh_to_server_scripts.sh screen -t computerrescue 7 these_are_ssh_to_server_scripts.sh screen -t BMon 8 bmon -p eth0 screen -t htop 9 htop screen -t hellanzb 10 hellanzb screen -t watching 3 #screen -t interactive.fiction 8 #screen -t hellahella 8 paster serve --daemon /home/gyaresu/downloads/hellahella/hella.ini shelltitle "$ |bash" # THIS IS THE PRETTY BIT #change the hardstatus settings to give an window list at the bottom of the ##screen, with the time and date and with the current window highlighted hardstatus alwayslastline #hardstatus string '%{= mK}%-Lw%{= KW}%50>%n%f* %t%{= mK}%+Lw%< %{= kG}%-=%D %d %M %Y %c:%s%{-}' hardstatus string '%{= kG}[ %{G}%H %{g}][%= %{= kw}%?%-Lw%?%{r}(%{W}%n*%f%t%?(%u)%?%{r})%{w}%?%+Lw%?%?%= %{g}][%{B} %d/%m %{W}%c %{g}]'

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  • virtual host setup: can't access wordpress site without www

    - by two7s_clash
    I would like to access my site both with and without using the www. Currently it only works with. Leaving out the www just goes to a blank page. Also, wp-admin just loads a blank page too. I have set an A record for mysite.com and www.mysite.com, both pointing to my static Bitnami IP. I also have a subdomain mapped to another directory that is working just fine (conference.mysite.com and www.conference.mysite.com). I'm using a Bitnami stack on an AWS EC2 micro instance. Here is my httpd.conf: ServerRoot "/opt/bitnami/apache2" Listen 80 LoadModule authn_file_module modules/mod_authn_file.so blah blah blah.... LoadModule php5_module modules/libphp5.so <IfModule !mpm_netware_module> <IfModule !mpm_winnt_module> User daemon Group daemon </IfModule> </IfModule> ServerAdmin [email protected] ServerName localhost:80 DocumentRoot "/opt/bitnami/apps/wordpress1/htdocs/" <Directory /> Options FollowSymLinks AllowOverride None Order deny,allow Allow from all </Directory> <Directory "/opt/bitnami/apps/wordpress1/htdocs/"> Options Indexes MultiViews +FollowSymLinks LanguagePriority en AllowOverride All Order allow,deny Allow from all </Directory> <IfModule dir_module> DirectoryIndex index.html index.php </IfModule> <FilesMatch "^\\.ht"> Order allow,deny Deny from all Satisfy All </FilesMatch> ErrorLog "logs/error_log" LogLevel warn <IfModule log_config_module> LogFormat "%h %l %u %t \\"%r\\" %>s %b \\"%{Referer}i\\" \\"%{User-Agent}i\\"" combined LogFormat "%h %l %u %t \\"%r\\" %>s %b" common <IfModule logio_module> LogFormat "%h %l %u %t \\"%r\\" %>s %b \\"%{Referer}i\\" \\"%{User-Agent}i\\" %I %O" combinedio </IfModule> CustomLog "logs/access_log" common </IfModule> <IfModule alias_module> ScriptAlias /cgi-bin/ "/opt/bitnami/apache2/cgi-bin/" </IfModule> <Directory "/opt/bitnami/apache2/cgi-bin"> AllowOverride None Options None Order allow,deny Allow from all </Directory> DefaultType text/plain <IfModule mime_module> TypesConfig conf/mime.types AddType application/x-compress .Z AddType application/x-gzip .gz .tgz </IfModule> Include conf/extra/httpd-mpm.conf <IfModule ssl_module> SSLRandomSeed startup builtin SSLRandomSeed connect builtin </IfModule> AddType application/x-httpd-php .php .phtml LoadModule wsgi_module modules/mod_wsgi.so WSGIPythonHome /opt/bitnami/python ServerSignature Off ServerTokens Prod AddType application/x-httpd-php .php PHPIniDir "/opt/bitnami/php/etc" Include "/opt/bitnami/apps/phpmyadmin/conf/phpmyadmin.conf" ExtendedStatus On <Location /server-status> SetHandler server-status Order Deny,Allow Deny from all Allow from localhost </Location> Include "/opt/bitnami/apache2/conf/bitnami/httpd.conf" Include "/opt/bitnami/apps/virtualhost.conf" Here is my virtual hosts file: NameVirtualHost *:80 <VirtualHost *:80> ServerAdmin xx DocumentRoot "/opt/bitnami/apps/wordpress1/htdocs" ServerName mbird.com ServerAlias www.mbird.com ErrorLog "logs/wordpress-error_log" CustomLog "logs/wordpress-access_log" common </VirtualHost> <Directory "/opt/bitnami/apps/wordpress1/htdocs"> Options Indexes MultiViews +FollowSymLinks AllowOverride All Order allow,deny Allow from all </Directory> ### WordPress conference.mbird.com configuration ### <VirtualHost *:80> ServerAdmin [email protected] DocumentRoot "/opt/bitnami/apps/wordpress/htdocs" ServerName conference.mbird.com ServerAlias www.conference.mbird.com ErrorLog "logs/confwordpress-error_log" CustomLog "logs/confwordpress-access_log" common </VirtualHost> <Directory "/opt/bitnami/apps/wordpress/htdocs"> Options Indexes MultiViews +FollowSymLinks AllowOverride All Order allow,deny Allow from all </Directory> ###

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  • Robocopy failure with Windows Server 2008 Scheduled Task

    - by CC
    So I have a batch script for robocopy. Running this from the command line does exactly what I want. robocopy "D:\SQL Backup" \\server1\Backup$\daily /mir /s /copyall /log:\\lmcrfs4g\NavBackup$\robocopyLog.txt /np Then I create a Scheduled Task in Windows Server 2008. If I set up the task to use my Domain Admin account, great. But I'm trying to get it to run as a separate domain account for Scheduled Tasks. If I use that account, folders get created, but files aren't copied. I get the following error: 2011/02/17 15:41:48 ERROR 1307 (0x0000051B) Copying NTFS Security to Destination Directory D:\SQL Backup\folder\ This security ID may not be assigned as the owner of this object. I've verified my domain\Scheduled Tasks account has Full Control NTFS permissions on both the source and destination, and the Full Control Sharing on my hidden \server1\backup$ share. Just for giggles, I've tried adding the domain account to the local Administrators group on both servers. This works fine, but that seems like a lot of privileges just to copy files. Any ideas on what I'm missing?

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  • remotely running find -exec options

    - by Michael Merchant
    I'm trying to setup a bash process for deploying my django project onto a linux server. Through cygwin, I'm running a script that is calling scp to copy my files over. Is there a similar command to delete *.pyc files. As of now, I've only been able to accomplish this locally after using ssh with: find . -name "*.pyc" -exec rm -rf {} \; I'm looking for some kind of command to call remotely that would be equivalent.

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  • Linux Software RAID: How to fsck on hard drive?

    - by Rick-Rainer Ludwig
    We have a Linux server running with Software RAID1. We see some issues in /var/log/messages like: unreadable sector. I want to perform a complete fsck on the drive to get some more information, but a fsck /dev/md0 brings a clean due to the Software RAID layer in between. How can I check the real hard drive? Do I need to disassemble the whole RAID? How do I deal with the inconsistency in the partition due to the additional Software RAID header? Does anyone have a good idea for this?

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  • Apache Process question about RAM usage

    - by Andrew Fashion
    So everytime I load a new page, I notice a new HTTPD process opens, every time I click a page, and each process says it's using anywhere from 2-4.5% of memory. Does that mean every single process is running at that time using 2-4% of RAM? It's a brand new server and I'm the only one on the server at the moment. Or does it mean all the other processes are dying, and only the new one is active. Because 4% of my 2048MB of RAM is already 82MB for just one process!?!? Let me know, because I am trying to determine what I need to beef my server up in order to handle high loads of traffic. I'm expect to get 20,000 uniques per day on launch. I am currently running a Dual Quad Xeon server, with only 2GB of ram, I will upgrade to 8GB or more shortly. Let me know what you suggest! thank you [root@D18634 log]# top | grep 'httpd' 11315 apache 15 0 362m 82m 24m R 12.3 4.1 0:03.00 httpd 11310 apache 16 0 322m 41m 21m S 5.7 2.1 0:02.98 httpd 11315 apache 15 0 362m 83m 25m S 24.3 4.1 0:03.73 httpd 11319 apache 16 0 324m 42m 20m R 1.0 2.1 0:01.85 httpd 11319 apache 16 0 362m 82m 23m R 78.5 4.1 0:04.21 httpd 11321 apache 16 0 323m 44m 23m S 35.3 2.2 0:04.13 httpd 11319 apache 15 0 361m 82m 23m S 8.3 4.1 0:04.46 httpd 11321 apache 15 0 323m 44m 23m S 35.9 2.2 0:05.21 httpd 11313 apache 15 0 324m 41m 19m S 48.6 2.1 0:03.23 httpd 11322 apache 16 0 354m 72m 20m R 11.0 3.6 0:05.11 httpd 11322 apache 16 0 354m 72m 20m S 23.9 3.6 0:05.83 httpd 11314 apache 16 0 355m 75m 22m R 18.3 3.7 0:04.64 httpd

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  • PHP not working when accessed through a domain name, but works fine when accessed through IP

    - by Allister
    Done a basic setup of Ubuntu Server installing Apache, PHP and mysql through tasksel. When I browse to the IP address of the server it works fine and allows me to render PHP scripts fine. So I added a DNS entry for the server onto my local DNS server, calling it webdev.lazer.net When I go to this domain name through my browser it renders HTML documents fine but if I try to view PHP scripts it doesn't render and downloads in plain text to the browser (As if the PHP parser isn't rendering .php documents). I'm sure its some rookie mistake, but any help would be appreciated. Thanks

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  • php server settings for restrict post queries

    - by Korjavin Ivan
    I have php script on hosting, which receive big data with ajax/post. Just now, after some works on hosting, I see that script is broken. I checked with curl: file temp1: user_avatar=&user_baner=&user_sig=.... 237 chars total, and curl -H "X-Requested-With: XMLHttpRequest" -X POST --data @temp1 'http://host/mypage.php' works perfect. But with file temp2: name=%D0%9C%D0%B5%D0%B1%%B5%D0%BB%D1%8C%D0%A4%%B0%D0%B1%D1%80%D0%B8%D0%BA%D1%8A&user_payed=0000-00-00&...positions%5B5231%5D=on total chars: 65563 curl -H "X-Requested-With: XMLHttpRequest" -X POST --data @temp2 'http://host/mypage.php' curl return nothing. Looks like a problem with apache/php/php.ini or something like that. I check .htaccess php_value post_max_size 20M Which other parameters I should check? Is it possible that %BO encode kill php/apache? Or total number of parameters (about 2800) ?

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  • Latency in TCP/IP-over-Ethernet networks

    - by aix
    What resources (books, Web pages etc) would you recommend that: explain the causes of latency in TCP/IP-over-Ethernet networks; mention tools for looking out for things that cause latency (e.g. certain entries in netstat -s); suggest ways to tweak the Linux TCP stack to reduce TCP latency (Nagle, socket buffers etc). The closest I am aware of is this document, but it's rather brief. Alternatively, you're welcome to answer the above questions directly. edit To be clear, the question isn't just about "abnormal" latency, but about latency in general. Additionally, it is specifically about TCP/IP-over-Ethernet and not about other protocols (even if they have better latency characteristics.)

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  • Troubleshooting a high SQL Server Compilation/Batch-Ratio

    - by Sleepless
    I have a SQL Server (quad core x86, 4GB RAM) that constantly has almost the same values for "SQLServer:SQL Statistics: SQL compilations/sec" and "SQLServer:SQL Statistics: SQL batches/sec". This could be interpreted as a server running 100% ad hoc queries, each one of which has to be recompiled, but this is not the case here. The sys.dm_exec_query_stats DMV lists hundreds of query plans with an execution_count much larger than 1. Does anybody have any idea how to interpret / troubleshoot this phenomenon? BTW, the server's general performance counters (CPU,I/O,RAM) all show very modest utilization.

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  • Two different sites, same IP, same top-level domain, on IIS 7.5 -- one works and the other displays HTTP 404 error

    - by user717236
    I'm running a Windows 2008 R2 box with IIS 7.5 as the web server. On IIS, I have two websites: mysubsite1.mysite.com and mysubsite2.mysite.com. There is only one IP on the server and both sites share this IP. Here is how I have the bindings configured: mysubsite1.mysite.com works fine. However, mysubsite2.mysite.com gives me the following error: Not Found HTTP Error 404. The requested resource is not found. Now, if I change the Host name field for mysubsite1.mysite.com to blank and restart the web server, both sites work! The question is why is the host name field for the first site causing an HTTP 404 error for the second site when both sites' Host name fields are filled? I would appreciate any insight. Thank you.

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  • Should I upgrade my VPS to a dedicated host?

    - by Mr. Hedgehog
    I've been running a website for 4 months now and in that time, it has grown from a few hundred unique visits/day to about 30,000 unique visits/day. I have been on Linode the whole time and have steadily upgraded to a 4GB node. Unfortunately, my app is very MySQL heavy and even with caching, the server is frequently ceasing to respond in peak times. During these times, all 4 cores are maxed on the machine (though Linode 4GB only provides a 1/5 share of the CPU). The only way to get it running again is to restart MySQL. I don't really know what to do. I have tried optimising the InnoDB settings and it seems to not be helping. Would moving to a Dedicated host be a good solution? I can get 4-5x the power of my node for a similar price - and with decent providers too.

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  • Windows 7 - Deleted boot files!

    - by RadiantHex
    Hi folks, I am (was) using an install of Win7 on the C Disk Partition, I formatted the D Disk Parition, and now Win7 fails to bootup. I suspect the bootup config files were stored within the D Partition, despite the install residing on the C Partition. Any ideas on how I can fix this? :)

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  • What features would you add to Firefox to get it into the enterprise?

    - by Robert MacLean
    Firefox adoption in the home/personal user base seems to be growing fine, but adoption in the enterprise is not going anywhere quickly. My view on this is because SysAdmins are not promoting it within the organisations because Internet Explorer has features which make it more acceptable to an enterprise, such as Managing settings via GPO Integration into the rest of the update stack Support of common business applications So what would you add to Firefox to get it more promotion by SysAdmins in the enterprise?

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  • Starting/Stopping IBM WebSphere Application Server (WAS) 7 from the Command Line

    - by Christopher Parker
    I've written a script to automate the process of starting, stopping, and restarting WAS7 from the command line. Nothing starts automatically on one of our staging servers, so I have to start everything: deployment manager, node agent, app server, and Web server. The script I wrote seems to work pretty well. A coworker of mine recommended that I structure my commands differently. I'm wondering if there's a good, valid reason for doing so. First, my variables: WAS_HOME="/opt/IBM/WebSphere/AppServer" WAS_PROFILE_NAME="AppSrv01" WAS_APP_SERVER="server1" WAS_WEB_SERVER="webserver1" How I had the start commands: "${WAS_HOME}/bin/startManager.sh" "${WAS_HOME}/bin/startNode.sh" -profileName $WAS_PROFILE_NAME "${WAS_HOME}/bin/startServer.sh" -profileName $WAS_PROFILE_NAME $WAS_APP_SERVER "${WAS_HOME}/bin/startServer.sh" -profileName $WAS_PROFILE_NAME $WAS_WEB_SERVER I was told that I should do it like this, instead: WAS_DMGR="Dmgr01" # Added variable "${WAS_HOME}/profiles/${WAS_PROFILE_NAME}/bin/startNode.sh" "${WAS_HOME}/profiles/${WAS_DMGR}/bin/startManager.sh" "${WAS_HOME}/profiles/${WAS_PROFILE_NAME}/bin/startServer.sh" $WAS_APP_SERVER "${WAS_HOME}/profiles/${WAS_PROFILE_NAME}/bin/startServer.sh" $WAS_WEB_SERVER How is the second way of starting up everything for WebSphere any better or more correct than the first, original, way?

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  • Is it possible to hide folders/subfolders from users based on permissions?

    - by Uwe Keim
    Having a Windows Server 2008 R2 that has a share with lots of nested folders, I want to be able to only show certain folders to certain AD users/AD user groups. Is it possible to configure the permissions on single folders, so that clients that connect with Windows XP/Windows 7 to the share on the Windows 2008 R2 server only see those folders for which they have "view" permission? Other clients should not see the folders at all in Windows Explorer. I was told that this seems to be a standard feature on Novell networks.

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  • Cisco IOS PBR - PBRing Skype

    - by Azz
    I've got a very simple question, which seems to be extremely difficult when put into practice. I have a Cisco IOS router with two Internet links (one over a WAN, through a proxy, everywhere, etc.) the other direct Internet. Most traffic destined for the internet goes through the proxy over the WAN. I want Skype traffic (why the client uses skype, I don't know..) to go out of the Internet link, while the rest of the traffic goes over the WAN through the proxy, etc. Apparently skype is very difficult to detect/classify because of it's many adaptations to being blocked. Is there any way to identify Skype on an IOS router (2911), and set it's next hop IP/interface? Thank you, Aaron

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  • How to set up a VPN Incoming connection with Windows to tunnel Internet traffic?

    - by Mehrdad
    I want to set up a VPN on a remote server to route all my Internet traffic for privacy reasons. I can set up an incoming connection and connect to it successfully. The problem is, I can just see the remote computer and no other Web sites will open. I want the remote server to act like a NAT. How can I do that? Note that I don't want to split Internet traffic. I actually want to send all the traffic to the remote server but need to make it relay the traffic. For the record, my remote server is Windows Web Server 2008 which does not have routing and remote access service. Clarification I'm mostly interested in server configuration. I don't have any problems configuring the client. By the way, Windows Web Server 2008 seems to have the same VPN features built in client OSes (like Vista) and specifically, it doesn't include the RRAS console in MMC. I'm also open to suggestions regarding third party PPTP/L2TP daemons available, if they are free.

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  • Web filtering (Proxy or DNS) with option for users to ignore the block

    - by Jon Rhoades
    We are struggling with our users visiting infected or "attack" sites and Phising in general. Most of our machines are protected by an Enterprise anti virus and monitoring solution (McAffe ePO) and we try to get people to use Firefox... But no AV is perfect and we have to endure personal machines as well (albeit on their own 'Plague' VLANs) and would like to do something about Phishing as our users seem intent on disclosing their passwords to the world... To complicate matters we don't want to implement a block for many many reasons instead we would like to implement something akin to Firefox's "Reported Scam/Phish/Attack Site" - "Get me out of here" or crucially "Let me in anyway", giving the user a choice to still infect themselves if they feel like it (or look at a site incorrectly blacklisted). The reason we can't just use Firefox is we have a core enterprise App only certified on IE6&7 - thank you Oracle. Is it possible to implement this type of advisory filtering either using a proxy (in our case Squid) or DNS? http://serverfault.com/questions/15801/what-free-options-are-available-for-web-content-filtering http://serverfault.com/questions/47520/open-source-filtering-of-https-traffic Were a good start, but they don't address the advisory aspect of the filtering.

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  • How to enabled pdo mysql in Centos 5.8

    - by nacho3d
    I have a VPS with Centos 5.8 In phpinfo displays: './configure' '--disable-fileinfo' '--disable-pdo' '--enable-bcmath' '--enable-calendar' '--enable-ftp' '--enable-libxml' '--enable-magic-quotes' '--enable-sockets' '--prefix=/usr/local' '--with-apxs2=/usr/local/apache/bin/apxs' '--with-curl=/opt/curlssl/' '--with-imap=/opt/php_with_imap_client/' '--with-imap-ssl=/usr' '--with-kerberos' '--with-libdir=lib64' '--with-libxml-dir=/opt/xml2/' '--with-mysql=/usr' '--with-mysql-sock=/var/lib/mysql/mysql.sock' '--with-openssl=/usr' '--with-openssl-dir=/usr' '--with-pcre-regex=/opt/pcre' '--with-pic' '--with-zlib' '--with-zlib-dir=/usr' I've tried this: http://www.host1free.com/forum/vps-technical-support/7248-tutoria-centos-apache-webserver-mysql-php-eaccelerator-apc.html And aparently it installed php-pdo # rpm -qa |grep php php-5.3.13-1.el5.remi php-xml-5.3.13-1.el5.remi php-common-5.3.13-1.el5.remi php-cli-5.3.13-1.el5.remi php-pdo-5.3.13-1.el5.remi php-xmlrpc-5.3.13-1.el5.remi php-mcrypt-5.3.13-1.el5.remi But I've restarted apache and it still says in my phpinfo: '--disable-pdo' Should I rebuild php? Do I need to do some other step?

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