appstore approval process - Page 658

Postfix installation error on Ubuntu

- by kgpdeveloper

How do I fix this error on Ubuntu 10.04 ? Reading package lists... Done Building dependency tree Reading state information... Done postfix is already the newest version. The following packages were automatically installed and are no longer required: libaprutil1-dbd-sqlite3 libcap2 apache2.2-bin libapr1 libaprutil1-ldap libaprutil1 php5-common Use 'apt-get autoremove' to remove them. 0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded. 1 not fully installed or removed. After this operation, 0B of additional disk space will be used. Setting up postfix (2.7.0-1) ... Postfix configuration was not changed. If you need to make changes, edit /etc/postfix/main.cf (and others) as needed. To view Postfix configuration values, see postconf(1). After modifying main.cf, be sure to run '/etc/init.d/postfix reload'. Running newaliases newaliases: warning: valid_hostname: numeric hostname: 202002 newaliases: fatal: file /etc/postfix/main.cf: parameter myhostname: bad parameter value: 202002 dpkg: error processing postfix (--configure): subprocess installed post-installation script returned error exit status 75 Processing triggers for libc-bin ... ldconfig deferred processing now taking place Errors were encountered while processing: postfix E: Sub-process /usr/bin/dpkg returned an error code (1) Even if I reboot, the same error shows up. Thanks for the help..

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Computer specs for a large database

- by SpeksETC

What sort of computer specs (CPU, RAM, disk speed) should I use for running queries on a database of 200+ million records? The queries are for a research project, so there is only one "user" and only one query will be running at a time. I tried it on my own laptop with SQL Server with an i3 processor, 2GB RAM, 5400 RPM disk and a simple query didn't finish even after 8+ hours. I have an option to connect a SSD via eSata and upgrade to 4GB RAM, but not sure if this will be enough... Thanks! Edit: The database is about 25 GB and the indexes are not setup properly. When I tried to add an index, I let it run for about 8 hours and it still hadn't finished so I gave up. Should I have more patience :)? In general, the queries will run once in a while and its ok even if it takes a couple hours to complete.... Also, the queries will produce probably about 10 million records which I need to process using Stata/Matlab and I'm concerned that my current laptop is not strong enough, but unsure of the bottleneck....

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Freeradius authentication failed for unknown reason

- by Moein7tl

I followed this instruction to force freeradius to use mysql database. and run freeradius in debug mod. but it rejects all authentication. mysql database : mysql select * from radcheck; +----+----------+-----------+----+---------+ | id | username | attribute | op | value | +----+----------+-----------+----+---------+ | 1 | test | Password | == | test123 | | 2 | test | Auth-Type | == | Local | +----+----------+-----------+----+---------+ 2 rows in set (0.02 sec) radtest command : # radtest test test123 localhost 0 testing123 Sending Access-Request of id 235 to 127.0.0.1 port 1812 User-Name = "test" User-Password = "test123" NAS-IP-Address = 127.0.0.1 NAS-Port = 0 Message-Authenticator = 0x00000000000000000000000000000000 rad_recv: Access-Reject packet from host 127.0.0.1 port 1812, id=235, length=20 radiusd debug mod log: rad_recv: Access-Request packet from host 127.0.0.1 port 51034, id=235, length=74 User-Name = "test" User-Password = "test123" NAS-IP-Address = 127.0.0.1 NAS-Port = 0 Message-Authenticator = 0xbf111cbbae24fb0f0a558bfa26f53476 # Executing section authorize from file /usr/local/etc/raddb/sites-enabled/default +- entering group authorize {...} ++[preprocess] returns ok ++[chap] returns noop ++[mschap] returns noop ++[digest] returns noop [suffix] No '@' in User-Name = "test", looking up realm NULL [suffix] No such realm "NULL" ++[suffix] returns noop [eap] No EAP-Message, not doing EAP ++[eap] returns noop ++[files] returns noop ++[expiration] returns noop ++[logintime] returns noop [pap] WARNING! No "known good" password found for the user. Authentication may fail because of this. ++[pap] returns noop ERROR: No authenticate method (Auth-Type) found for the request: Rejecting the user Failed to authenticate the user. Using Post-Auth-Type Reject # Executing group from file /usr/local/etc/raddb/sites-enabled/default +- entering group REJECT {...} [attr_filter.access_reject] expand: %{User-Name} - test attr_filter: Matched entry DEFAULT at line 11 ++[attr_filter.access_reject] returns updated Delaying reject of request 20 for 1 seconds Going to the next request Waking up in 0.9 seconds. Sending delayed reject for request 20 Sending Access-Reject of id 235 to 127.0.0.1 port 51034 Waking up in 4.9 seconds. Cleaning up request 20 ID 235 with timestamp +4325 Ready to process requests. where is the problem and how should I solve it?

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yum error when installing memcached

- by Jack

Hi, trying to install memcached with "yum install memcached" and i'm getting all these errors which I have no idea how to solve. Setting up Install Process Resolving Dependencies -- Running transaction check --- Package memcached.x86_64 0:1.4.5-1.el5.rf set to be updated -- Processing Dependency: perl(AnyEvent) for package: memcached -- Processing Dependency: perl(AnyEvent::Socket) for package: memcached -- Processing Dependency: perl(AnyEvent::Handle) for package: memcached -- Processing Dependency: perl(YAML) for package: memcached -- Processing Dependency: perl(Term::ReadKey) for package: memcached -- Processing Dependency: libevent-1.1a.so.1()(64bit) for package: memcached -- Running transaction check --- Package compat-libevent-11a.x86_64 0:3.2.1-1.el5.rf set to be updated --- Package memcached.x86_64 0:1.4.5-1.el5.rf set to be updated -- Processing Dependency: perl(AnyEvent) for package: memcached -- Processing Dependency: perl(AnyEvent::Socket) for package: memcached -- Processing Dependency: perl(AnyEvent::Handle) for package: memcached -- Processing Dependency: perl(YAML) for package: memcached -- Processing Dependency: perl(Term::ReadKey) for package: memcached -- Finished Dependency Resolution memcached-1.4.5-1.el5.rf.x86_64 from rpmforge has depsolving problems -- Missing Dependency: perl(AnyEvent::Socket) is needed by package memcached-1.4.5-1.el5.rf.x86_64 (rpmforge) memcached-1.4.5-1.el5.rf.x86_64 from rpmforge has depsolving problems -- Missing Dependency: perl(AnyEvent) is needed by package memcached-1.4.5-1.el5.rf.x86_64 (rpmforge) memcached-1.4.5-1.el5.rf.x86_64 from rpmforge has depsolving problems -- Missing Dependency: perl(AnyEvent::Handle) is needed by package memcached-1.4.5-1.el5.rf.x86_64 (rpmforge) memcached-1.4.5-1.el5.rf.x86_64 from rpmforge has depsolving problems -- Missing Dependency: perl(YAML) is needed by package memcached-1.4.5-1.el5.rf.x86_64 (rpmforge) memcached-1.4.5-1.el5.rf.x86_64 from rpmforge has depsolving problems -- Missing Dependency: perl(Term::ReadKey) is needed by package memcached-1.4.5-1.el5.rf.x86_64 (rpmforge) Packages skipped because of dependency problems: compat-libevent-11a-3.2.1-1.el5.rf.x86_64 from rpmforge memcached-1.4.5-1.el5.rf.x86_64 from rpmforge The perl modules that its complaining about are already installed. Any ideas?

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Server taking too long to respond error

- by DCJones

This is my first post on serverFault and my first entry in to web server configuration. The hardware and software. CPU: GenuineIntel, Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz OS: Linux 2.6.18-128.el5 Memory: 2Gb Background. I am running a small database (MySQL), around 1000 records with each record containing 44 fields. At the start of each day “00:01” the tables are cleared and populated with fresh data. The are 10 remote PCs all running Winodws XP and Firefox internet browser. All remote PC’s are connected to the internet using a min 4Gb broadband connection. Each remote PC runs a URL which displays a dynamic page of data which is refreshed every 20 seconds. This is a continual process 24 hours a day. I problem I am having is on odd occasions throughout the day the PC browser error with “Server taking too long to respond error”. What I am trying to find our is if I have the correct setting in the httpd.conf file on the server. Any help or advice anyone can provide would be very helpful. Best regards Dereck Server config file: httpd.conf ServerRoot "/etc/httpd" PidFile run/httpd.pid Timeout 120 KeepAlive On MaxKeepAliveRequests 200 KeepAliveTimeout 5 <IfModule prefork.c> StartServers 8 MinSpareServers 5 MaxSpareServers 20 ServerLimit 256 MaxClients 254 MaxRequestsPerChild 4000 </IfModule> <IfModule worker.c> StartServers 2 MaxClients 150 MinSpareThreads 25 MaxSpareThreads 150 ThreadsPerChild 25 MaxRequestsPerChild 0 </IfModule>

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mysql startup, shtudown and logging on osx

- by Joelio

Hi, I am trying to troubleshoot some mysql problems (I have a table I cant seem to delete or drop, it hangs forever) I have 10.5.8 osx, I dont remember how/if I installed mysql, here is what I know: it automatically starts on boot the process looks like this: /usr/local/mysql/libexec/mysqld --basedir=/usr/local/mysql --datadir=/usr/local/mysql/var --pid-file=/usr/local/mysql/var/Joels-New-Pro.local.pid _mysql 96 0.0 0.0 75884 684 ?? Ss Sat06PM 0:00.02 /bin/sh /usr/local/mysql/bin/mysqld_safe when I run: /usr/local/mysql/libexec/mysqld --verbose --help it says: /usr/local/mysql/libexec/mysqld Ver 5.0.45 for apple-darwin9.1.0 on i686 (Source distribution) it seems to use my.cnf from /etc/my.cnf Now here are my questions: I dont see anything in the startupitems that remotely looks like mysql ls /Library/StartupItems/ BRESINKx86Monitoring ChmodBPF HP IO HP Trap Monitor Parallels ParallelsTransporter 1.) So how does it startup automatically? 2.) How do I start & stop this type of installation? Also, looking at the config, the logs have no values: /usr/local/mysql/libexec/mysqld --verbose --help|grep '^log' log (No default value) log-bin (No default value) log-bin-index (No default value) log-bin-trust-function-creators FALSE log-bin-trust-routine-creators FALSE log-error log-isam myisam.log log-queries-not-using-indexes FALSE log-short-format FALSE log-slave-updates FALSE log-slow-admin-statements FALSE log-slow-queries (No default value) log-tc tc.log log-tc-size 24576 log-update (No default value) log-warnings 1 3.) Does that mean there is no logging enabled in mysetup? thanks in advance! Joel

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Auto-archive IMAP mail folders on OS X

- by Pradeep

Hi, I am trying to achieve the following. Download all messages from mail server(and remove downloaded messages from server). Downloaded messages should be in a local mailbox preserving folder structure as was defined on server. The download process should be automatic and shouldn't create duplicates. I am on OSX and looking for solutions using Apple Mail or Thunderbird or similar. So far I have found POP is not the way to go (as it looses folder structure and potentially can cause duplicates). The solution described here seems very good but isn't yet available for thunderbird or apple mail. http://getsatisfaction.com/mozilla_messaging/topics/auto_archive_and_keep_folder_structure. The other alternative is outlook which has auto archive which is paid and I think exports to pst instead of the more common mbox format. Yet another alternative is http://www.pop4.org/ which adds support for folder management to POP. Which I don't think is going to become usable soon. Any other better solutions.? Thank you

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Distributing a custom command line tool to enterprise servers

- by Jeremy Baker

I've been tasked with building a command line tool that we will be providing to our enterprise customers so that they can use the API to upload data to our platform. The API works with standard cURL requests, so I can do most of the basic functionality with simple bash scripting, although I would like to provide something that is solid and really makes it easy for them to use and I don't know what I don't know. It's been a good 8 years since I've really done any serious sysadmin work. Most of the good tools I use these days are written in Ruby or Python and have a standard distribution process (Gems, for example). However, I know rhel and other platforms have their own package managers. Finally, the question: In today's day and age, what language / distribution method should I consider in order to cover the widest range of platforms without having to build completely different versions for each platform? I'd also love any general feedback you have about building similar projects, or links to projects that you think do a good job of this now and have open source code that I could read. Thanks in advance!

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Random Sampling in Excel

- by bonsvr

I have an Excel sheet as follows: NO NAME AMOUNT 1 A 50 1 B 50 2 A 100 2 C 100 3 D 70 3 B 70 4 A 30 4 F 30 5 C 150 5 G 150 . . . . There are let's say 10,000 rows. I want to get a random sample from rows. There are 2 conditions: 1. Sampling must be based on "NO" column. 2. Size of the sample is determined by the user: it can be %5, %10 or %20. For example, one decides to randomly choose %20 of total rows in the above example: The result is like: NO NAME AMOUNT 2 A 100 2 C 100 90 Z 500 90 E 500 . . . . There should be 2,000 rows. I don't know whether my question is too specific. I am new to Excel VBA, and I faced a situation like this. Above process is about getting a random sample from an account ledger for auditing purposes.

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Run script before shutdown/restart

- by dtbarne

I'd like to run a PHP script when an instance is told to shutdown, but of course before it actually finishes shutting down. My particular script is just looking to push some log files from the local partition to a another server. I've got the gist of how this process works, but I need some clarification. How I understand it. Please correct me if I'm wrong. Create an executable script in /etc/init.d (lets call it /etc/init.d/push-logs) Create a symlink to /etc/init.d/push-logs from /etc/rc0.d (shutdown) and /etc/rc6.d (reboot). The name should be KXXpush-logs Here's my questions: Of course - am I understanding correctly? For #2 above - it sounds like the lower the XX the better - is there too low a number I can use? Does it matter if it shares a number with another script? Does the script in /etc/init.d/push-logs HAVE to follow the standard init.d template (supporting start/stop, etc. commands)? This doesn't really apply to my use case. If possible I just want the script to be the following: #!/bin/sh # # Run PHP file prior to shutdown # /usr/bin/php /path/to/php_file.php

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netlogon errors

- by rorr

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

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Qmail Patching Makes me Nervous

- by JM4

We have a system running CentOS 5 with Plesk 8.6 and Qmail running. Our primary domain is hosted through Media Temple. When Plesk and Qmail are hosted on a single Dedicated Virtual server, it reads the primary server IP and domain and reports that when sending emails from the system. Our pages are written in PHP so we are using the mail() function. While our email goes out to everybody, several enterprise email domains reject our email because it shows a different originating IP (our primary server IP and domain) than the domain we list in the 'from' address. This is not modifiable. Every domain we own of course does have its own IP as well underneath our primary server IP. I have seen several places online that provide a patch, specifically - which allows Domain Binding: "DomainBindings -- For servers that host multiple domains or have multiple IP addresses assigned to them, it is sometimes useful (or important) to have qmail use a specific IP address for its outgoing mail. By default, qmail uses whatever address the OS chooses for all outbound connections. With this patch, you can specify which address to use. It uses a control file similar to smtproutes to specify the outbound IP address to use, based on the sender's domain (local copy) (pyropus.ca)" Qmail Link First off I do not have netqmail installed so I'll need to find another source, but also I am completely unfamiliar with applying patches to qmail. Will I lose email services if I patch? Is it a simple apply and use process? Will my existing email accounts and data be restored after the patch? I am very, very new to unix/linux so this does make me a bit nervous but I am the only person who can make the change and it is one our company "HAS" to have. Any ideas?

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Node.js, Nginx and Varnish with WebSockets

- by Joe S

I'm in the process of architecting the backend of a new Node.js web app that i'd like to be pretty scalable, but not overkill. In all of my previous Node.js deployments, I have used Nginx to serve static assets such as JS/CSS and reverse proxy to Node (As i've heard Nginx does a much better job of this / express is not really production ready). However, Nginx does not support WebSockets. I am making extensive use of Socket.IO for the first time and discovered many articles detailing this limitation. Most of them suggest using Varnish to direct the WebSockets traffic directly to node, bypassing Nginx. This is my current setup: Varnish : Port 80 - Routing HTTP requests to Nginx and WebSockets directly to node Nginx : Port 8080 - Serving Static Assets like CSS/JS Node.js Express: Port 3000 - Serving the App, over HTTP + WebSockets However, there is now the added complexity that Varnish doesn't support HTTPS, which requires Stunnel or some other solution, it's also not load balanced yet (Perhaps i will use HAProxy or something). The complexity is stacking up! I would like to keep things simpler than this if possible. Is it still necessary to reverse proxy Node.js using Nginx when Varnish is also present? As even if express is slow at serving static files, they should theoretically be cached by Varnish. Or are there better ways to implement this?

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Gluster bricks are offline and errors in logs

- by Roman Newaza

I have substituted all the IP addresses with hostnames and renamed configs (IP to hostname) in /var/lib/glusterd by my shell script. After that I restarted Gluster Daemon and the volume. Then I checked if all the peers are connected: root@GlusterNode1a:~# gluster peer status Number of Peers: 3 Hostname: gluster-1b Uuid: 47f469e2-907a-4518-b6a4-f44878761fd2 State: Peer in Cluster (Connected) Hostname: gluster-2b Uuid: dc3a3ff7-9e30-44ac-9d15-00f9dab4d8b9 State: Peer in Cluster (Connected) Hostname: gluster-2a Uuid: 72405811-15a0-456b-86bb-1589058ff89b State: Peer in Cluster (Connected) I could see mounted volumes size change on all the nodes when I execute df command, so new data is coming. But recently I noticed error messages in app log: copy(/storage/152627/dat): failed to open stream: Structure needs cleaning readfile(/storage/1438227/dat): failed to open stream: Input/output error unlink(/storage/189457/23/dat): No such file or directory Finally, I have found out some bricks are offline: root@GlusterNode1a:~# gluster volume status Status of volume: storage Gluster process Port Online Pid ------------------------------------------------------------------------------ Brick gluster-1a:/storage/1a 24009 Y 1326 Brick gluster-1b:/storage/1b 24009 N N/A Brick gluster-2a:/storage/2a 24009 N N/A Brick gluster-2b:/storage/2b 24009 N N/A Brick gluster-1a:/storage/3a 24011 Y 1332 Brick gluster-1b:/storage/3b 24011 N N/A Brick gluster-2a:/storage/4a 24011 N N/A Brick gluster-2b:/storage/4b 24011 N N/A NFS Server on localhost 38467 Y 24670 Self-heal Daemon on localhost N/A Y 24676 NFS Server on gluster-2b 38467 Y 4339 Self-heal Daemon on gluster-2b N/A Y 4345 NFS Server on gluster-2a 38467 Y 1392 Self-heal Daemon on gluster-2a N/A Y 1402 NFS Server on gluster-1b 38467 Y 2435 Self-heal Daemon on gluster-1b N/A Y 2441 What can I do about that? I need to fix it. Note: CPU and Network usage of all the four nodes are about the same.

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Logic behind SCCM 2012 required PXE deployments

- by Omnomnomnom

I'm in the process of setting up Windows 7 deployment through PXE boot, with Microsoft SCCM 2012. The imaging itself works very well, but I have a question about the logic behind PXE deployments. My setup is the following: My Windows 7 deployment task sequence is deployed to the unknown computers group. (not required, press F12 to start installing) OSDComputerName variable is also set on the unknown computers group, so unknown computers that are being imaged will prompt for a pc name. The computer then becomes known in SCCM and is added to the correct collection(s). But if I want to reïnstall windows on a known computer things are different: I can do a required deployment of the imaging task sequence to the collection of computers. Then windows installs through PXE, without any human interaction, keeping the original computer name. But because the initial deployment was not required, the "required PXE deployment" flag is not set. So as soon as I add a new computer to a collection with a required PXE deployment, it will start to reïnstall windows again. I can also deploy the imaging task sequence to the new unknown computers as required, so the flag gets set initially. But then it does not prompt for a computer name. (and it generates a name like MININT-xxx) Which is also sort of what I want. Because when i want to re-install a machine, I want it to install without interaction. How can I solve this?

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What open source ecommerce webshops offer #1: usability, #2: PayPal integration, and #3: ease of administration and use

- by Jonathan Hayward

I've spent several days trying to deploy Satchmo, in the process asking several questions about deployment (http://stackoverflow.com/questions/11277407/can-anyone-explain-this-error-message-deploying-a-satchmo-project-under-gunicorn, http://stackoverflow.com/questions/11277685/is-there-a-howto-to-fcgi-for-deploying-satchmo, and http://stackoverflow.com/questions/11278295/what-is-the-most-stable-release-of-satchmo). Django's tagline is "The web framework for perfectionists with deadlines," and Satchmo's tagline is equally forceful: "The webshop for perfectionists with deadlines." I'm looking more to set up, configure, design, etc., rather than code for this one, and I'm taking a bit of a hint that for me at least the "with deadlines" bit is something that I cannot manage. Deployment has been a time sink. So, taking a step back, I don't specifically need to edit and extend the source code; what I want are first, good usability and a clean experience for the end-user, then being easy to deploy/install/manage/maintain, and enough so that even if you're having a slow day it should at most be one day's work to install, one day's work to get running, and one day's work to rebrand as white label (for simple branding). What ecommerce webshops should I be looking at?

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Reboot fails with "Invalid partition"

- by Mike Clark

My laptop can't reboot. Any time something restarts the laptop (e.g. to apply Windows updates, or Start Menu-Restart, etc), the computer sits at a black screen with the message "Invalid partition" displayed in console text. When this happens, I power off the computer, then power it back on, and it boots up fine. OK, now the history behind this: This laptop is a new Dell. The day I got it, I used gparted to reclaim 30 GB of disk space that had been allocated to a "recovery partition" in the middle of the laptop's primary drive. (I have DVDs for recovery and I didn't want to waste 30 GB of SSD space on recovery data.) So I used gparted to delete the recovery partition and resize the primary Windows partition to use up the new free space. As expected when resizing a boot partition, the computer would no longer boot. I used Windows Recovery Console to fix the boot process: FIXMBR C: FIXBOOT C: BOOTCFG /rebuild This worked fine and the computer boots up fine. But, as mentioned earlier, the laptop still can't reboot. Any idea on how to fix this without completely reformatting the disk and reinstalling Windows from scratch? It's Windows 7.

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mysqld causes high CPU load

- by Radu

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Can I have a single solid state drive and a RAID array on the same machine?

- by jaminto

Hi- To summarize, i'm looking to use a single solid state drive as my primary drive, and two conventional sata drives in a RAID 1 configuration for data. I am trying to install 64-bit Windows 7 onto this configuration. Is this possible? Here are the details: I built a desktop that has been running 64-bit Vista on two 500Gb in a RAID 1 array for a few years. I just purchased an Intel X25-M 80Gb Sata Solid-State Drive, and was planning on using this a my primary drive, and keeping the RAID 1 array as my data drive. I added the SSD drive and in the RAID setup, configured it as a RAID 0 array of only one disk. Then, I tried to do a clean install of windows 7 64-bit, but got stuck in the "Missing driver for CD/DVD drive" black hole of selecting driver files and Windows telling me that i don't have the appropriate driver for my hardware. The missing hardware is NOT a CD/DVD drive, since i'm installing off of my only CD/DVD drive. Plus at one point i was able to point it at a driver for my raid controller, and then my hard drives magically showed up as browsable sources for finding drivers for some other unnamed device that setup couldn't recognize. After a few hours of trying drivers (this was a very slow process) i decided to reboot and look at the BIOS settings. I'm using an ASUS M2A-VM motherboard which has an ATI SB600 RAID controller on board. I switched the "On board SATA Type" setting from "SATA" to "AHCI" thinking that since AHCI is an Intel thing, this would help. Unfortunately, this abandoned my RAID configuration, and my previously mirrored drives are showing up as separate drives when i boot into my current windows installation. Am i trying to do the impossible here? Should i just buy a separate SATA/RAID PCI card and plug the SSD into that? Any help would be greatly appreciated.

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Heavy Apache memory usage

- by Ree

Recently I've noticed that httpd processes started to consume massive amounts of memory - after some time pretty much using almost all of the 2GB of RAM the server has and I don't have any memory left for other stuff. Here's what top tells me: 26409 apache 15 0 276m 152m 28m S 0 7.4 0:59.12 httpd 26408 apache 15 0 278m 151m 28m S 0 7.4 1:03.80 httpd 26410 apache 15 0 277m 149m 26m S 0 7.3 0:57.22 httpd 26405 apache 15 0 276m 148m 25m S 0 7.3 0:59.20 httpd 26411 apache 16 0 276m 146m 23m S 0 7.2 1:09.18 httpd 17549 apache 15 0 276m 144m 23m S 0 7.0 0:36.34 httpd 22095 apache 15 0 276m 136m 14m S 0 6.6 0:30.56 httpd It seems to me that each httpd process does not free the memory after handling a request. So they all sit at ~270MB which is BAD. Is there a way for me to know where all the memory goes and why it stays that way? I haven't done any server tweaking lately, so I'm sure it's not me who messed something up (haven't had the problem before). The server is used to serve PHP apps. EDIT: Apache is configured with prefork module and MaxRequestsPerChild is set to 4000.

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Atlassian Crucible very slow on large repository

- by Mitch Lindgren

Hi everyone, My company has been running a trial of Atlassian Crucible for some months now. For repositories where it's working properly, users have given very positive feedback about the tool. The problem I'm having is that we have several different projects, each with its own repository, and some of those repositories are very large. One repository in particular has a large number of branches and probably around 9,000 files per branch. Browsing that repository in Crucible is extremely slow. Crucible is running on a CentOS VM. The VM has 4GB of RAM, and I've set Crucible's maximum at 3GB, of which it is currently using 2GB. I've brought this up in a support ticket with Atlassian, and they suggested the following: In particular because you have a rather large SVN repository you will likely find that Fisheye will be creating a large index file on disk. To help improve performance a few things you can try are: Increasing the available memory available to Fisheye (see the document above). Migrating to an external database: confluence.atlassian.com/display/FISHEYE/Migrating+to+an+External+Database Excluding files and directories from your index that aren't needed: confluence.atlassian.com/display/FISHEYE/Allow+(Process) (Sorry for not hyperlinking; don't have the rep.) I've tried all of these things to an extent, but so far none have helped greatly. I was originally running Crucible on a Windows box with 2GB of RAM using the built in HSQL DB. Moving to MySQL on CentOS saw a performance increase for some repositories, and made Crucible much more stable, but did not seem to help much with our biggest repository. There are only so many files/branches I can exclude from indexing while maintaining the tool's usefulness. That being the case, does anyone have any tips on how to speed up Crucible on large repositories, without investing in insanely powerful hardware? Thanks! Edit: To clarify, since I didn't mention it explicitly above, I am using FishEye.

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Ripping CD Audio simultaneously from 2 drives on one PC via USB or PATA - rip accuracy preserved?

- by Rob

I'm considering ripping audio (reading audio) from CDs using 2 drives simultaneously to speed up the process of ripping the CDs - i.e. 2 at a time rather than 1. Are there any issues with achieving maximum rip accuracy? In general I wondered if people have tried this and if the simultaneous streams from both rip activities would overload the host machine and cause packet loss or read retries resulting in a sub-standard CD-DA Audio CD rip? If it just means the rip is slightly slower (but still faster than sequentially doing one rip followed by another) but still of maximum accuracy then that is OK for me. I will be using dbPowerAmp to rip the CDs and converting to FLAC lossless format. Specific examples: There are 2 machines I intend to do it on: A Toshiba NB100 1.6Ghz Atom netbook, 2Gb RAM, running Windows XP Home with 1 external LG DVD/CD burner and external 1 LG Blu-ray burner attached via USB 2.0, ripping to the machine's 5400rpm internal hard drive. This rips from one CD drive very well, more than adequate, it is a nippy, fast little machine for its specification. A Desktop PC running Windows 7 Home Premium with MSI P4M900M2-L/ MS-7255v2.0 motherboard and 1.86Ghz Intel Core 2 Duo E6320, 7200rpm hard drive and 2Gb RAM, with an internal LG PATA DVD/CD burner (master) and a Philips DVD/CD burner (slave) on the same PATA bus (perhaps separate buses would be another option to consider here). Thoughts?

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How does the EFI partition work and can I boot an x86 OS with a bootx64.efi file?

- by Ian

I have a Thinkpad X230 laptop and I want to install Linux Mint Debian Edition along side Windows 7 on my GPT formatted SSD with the BIOS in UEFI mode. The problem is that I don't understand how EFI booting works. There seems to be an EFI partition involved with some folders and binary files in it. GRUB 2 seems to be able to make more folders in it (I followed this guide http://www.thinkwiki.org/wiki/UEFI_Firmware), but it appears that the only file that does anything is the bootx64.efi file in the /efi/boot folder of the EFI partition (I am not sure if this is always the case, but it appears to be the case for my laptop http://www.thinkwiki.org/wiki/Category:X220). Here is what I have been able to do: I can install Linux Mint Debian Edition x86 with the BIOS in BIOS mode on my SSD. I can then install grub-efi and follow the guide linked above. The problem is that I don't get a GRUB prompt when I switch the BIOS to UEFI mode. It just boots Windows. It appears that I can either boot from the SSD or something called "Windows Boot Manager". If I replace the bootx64.efi with the file created by GRUB, I can no longer boot directly from the SSD. Booting from "Windows Boot Manager" still works fine. I realize that the guide says to use x64 Linux, but Linux Mint Debian Edition x64 hangs during the install process. I am really confused. What should I do? Can anyone explain how the EFI boot partition works? Can a bootx64.efi boot an x86 OS? Should I just give up with using UEFI? I haven't been able to find very much useful information about using Debian based operating systems with UEFI. Thanks, Ian

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Windows Scheduled Startup Task doesn't appear to be fully working but why?

- by Devtron

I originally tried to use Group Policy to enforce a startup script to run at startup. My startup script is a .CMD file, which calls 10 .exe files. Using Group Policy I could never get this to work....so I looked into using Scheduled Tasks. And here I am. I have tried two different versions of my script (for syntax purposes). I originally thought my syntax could be bad, so I tried a few approaches. Neither work. My #1 .CMD file approach commands look similar to this: start "this is my title" /D "C:\Somepathhere\myExecutable.exe" "..\..\published\wc_task.wfc" My #2 .CMD file approach commands look similar to this (it invokes a shortcut file): rundll32 shell32.dll,ShellExec_RunDLL "C:\Somepathhere\bin\Virtual Workflow.lnk" ^ Both of these scripts work fine if I manually run them, either by running the .CMD file, or even by manually forcing the Schedule Task MSC console to "Run" this script. Manual process seems to work fine, but automated it does not. My scheduled task is set for startup and uses "highest privileges" to execute as Admin. At the end of my .CMD script, I added a line to write to a text file, just to prove that the script was being run. That command looks like this: echo foo > C:\foo.txt When I reboot my server, and Schedule Tasks kicks in, I never get my ten .EXE files to run, but I do get the C:\foo.txt on my drive. What gives?

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Server high memory usage at same time every day

- by Sam Parmenter

Right, we moved one of our main sites onto a new AWS box with plenty of grunt as it would allow us more control that we had before and future proof ourselves. About a month ago we started running into issues with high memory usage at the same time every day. In the morning an export is run to export data to a file which is the FTPed to a local machine for processing. The issues were co-inciding with the rough time of the export but when we didn't run the export one day, the server still ran into the same issues. The export has been run at other times in the day since to monitor memory usage to see if it spikes. The conclusion is that the export is fine and barely touches the sides memory wise. No noticeable change in memory usage. When the issue happens, its effect is to kill mysql and require us to restart the process. We think it might be a mysql memory issue, but might just be that mysql is just the first to feel it. Looking at the logs there is no particular query run before the memory usage hits 90%. When it strikes at about 9:20am, the memory usage spikes from a near constant 25% to 98% and very quickly kills mysql to save itself. It usually takes about 3-4 minutes to die. There are no cron jobs running at that time of the day and we haven't noticed a spike in traffic over the period of the issues. Any help would be massively appreciated! thanks.

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