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  • General Questions on setting up Subversion (w/Netbeans) and web development workflow.

    - by Roeland
    Hey guys, I am web developer who currently works mostly on his own but, some projects require outside coding help (my brother.) Anyway, after running in to the problem of "working on the same files" and "saving over each others edits" I decided to research ways to avoid this. Through the help of stackoverflow I decided on subversion. My setup is the following: A windows 2008 server with a clean install. My desktop which is on the local network of the server. Then my brothers desktop which is at his house, not on lan. We both prefer to use netbeans for development. My Questions: How do we set this thing up correctly and most optimally. Here is my current setup and work flow. dev site: in the past I just created sub domains with my web host for test sites (company1.bythepixel.com, company2.bythepixel.com), and editted those sites with netbeans set up having remote sources (ftp). how do i set up my netbeans now? should I set it up with remote sources? I guess I may need to set up a web server on my local server. I'm just not sure of the work flow. When i hit save in netbeans.. will it update the repository.. then do i need to update the site from the repository somehow? live site: when going live, i would just copy all the files from the dev site into the live site. from what i gather i should be able to update the site from the dev repository? Currently I am toying with virtualsvn server (http://www.visualsvn.com/server/) on my local server. It looks like it is set up to use the http protocol. Is there advantages to this or should I consider something that does the file//. Do you recommend any other subversion software that would run on my 2008 box? how will my brother connect? should i set up a permanent vpn from his house to mine? suggestions? (not that important) how do I deal with databases, there anyway to do subversion on database? I know I have a lot of questions and I am trying to read / make sense of the free online subversion book, but its all so overwhelming! Wish there was a small subversion for dummies guide :)

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  • How do I run a stable Windows XP kvm guest on Ubuntu 10.04?

    - by Jean-Paul Calderone
    I have three Windows XP guests running on a recently upgraded 64-bit Ubuntu 10.04 system. Occasionally (on the order of once every few days), one of the guests will become non-responsive and the kvm process on the host which is running that guest will start consuming 100% CPU. It will continue to do so until it is killed. When restarted, it will be fine for a while, and then the issue repeats. The kvm command line used to run all three guests is this: /usr/bin/kvm -S -M pc-0.12 -enable-kvm -m 1024 -smp 1 -name bigdog21vmxp1 \ -uuid ea47ff84-125b-16f7-9a4d-a6d0d8bab46a \ -chardev socket,id=monitor,path=/var/lib/libvirt/qemu/bigdog21vmxp1.monitor,server,nowait \ -monitor chardev:monitor \ -localtime \ -boot c \ -drive file=/var/lib/libvirt/images/windowsxp-1.qcow2,if=ide,index=0,boot=on,format=qcow2 \ -net nic,macaddr=54:52:00:02:06:0e,vlan=0,name=nic.0 \ -net tap,fd=58,vlan=0,name=tap.0 \ -chardev pty,id=serial0 \ -serial chardev:serial0 \ -parallel none \ -usb \ -usbdevice tablet \ -vnc 127.0.0.1:1 \ -k en-us \ -vga cirrus \ -soundhw es1370 Why do the systems misbehave this way sometimes? And what configuration can I change in order to fix it? Or, if the problem is due to a bug in kvm, what is the process for isolating a kvm failure so that the developers have a chance of fixing it?

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  • Firefox is very slow when establish SSL sessions

    - by yanglei
    Using wireshark, I discovered that Firefox v3.0 gets stuck every time before "client key exchange, change cipher spec" stage when establishing a SSL session. Specifically, it takes 0.8~1.8 second before Firefox send "Client Key Exchange" request. This is unacceptable since our application is HTTPS only. I tested this on IE6 and IE8, both works well. Any clues? [Update] Finally, I found the reason of 1 ~ 2 seconds stuck by displaying all captured packets in Wireshark. After the "server hello" stage, Firefox makes a request to ocsp.verisign.com combined with an additional DNS lookup for that domain. Firefox must wait the revocation status from OCSP before entering the next stage of SSL. Depends on whether DNS cache is in effect, this process takes 1 ~ 2 seconds. A interesting observation is that the IP packet contains "client key exchange" has a high possibility to get lost and thus a TCP retransmission is necessary. When this happens, the process can take 3 seconds at worst. I'm not sure if this is a coincidence or a bug. Anyway, here is the result from Wireshark: (delta-time) 0.369296 src-ip dst-ip TCP [ACK] Seq=161 Ack=2741 Win=65340 Len=0 2.538835 src-ip dst-ip TLSv1 Client Key Exchange, Change Cipher Spec, Finished 2.987034 src-ip dst-ip TLSv1 [TCP Retransmission] Client Key Exchange, Change Cipher Spec, Finished The difference between Firefox and IE is this: Firefox 3 enables OCSP checking by default where as IE only supports it. So, there is no problem with both IE6 and IE8. This is indeed a "certificate revoke" problem. Thanks

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  • Virtualhost setup for Ruby on Rails application (mod passenger)

    - by Ingo86
    Hi all, I'm trying to install Redmine under apache. The apache server works on a local network. My apache setup consist on a single virtual host. I can get insto different directories using simply the path corresponding: http://ip_address/folder_of_the_project_1 How can I setup the virtualhost to make redmine works in this situation? Here is my current virtualhost setup: NameVirtualHost * <VirtualHost *> ServerAdmin webmaster@localhost DocumentRoot /var/www/ RailsBaseURI /redmine <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> Options FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> <Directory /var/www/redmine/public> Options FollowSymLinks AllowOverride None Order allow,deny Allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory> ErrorLog /var/log/apache2/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog /var/log/apache2/access.log combined ServerSignature On Alias /doc/ "/usr/share/doc/" <Directory "/usr/share/doc/"> Options Indexes MultiViews FollowSymLinks AllowOverride None Order deny,allow Deny from all Allow from 127.0.0.0/255.0.0.0 ::1/128 </Directory> Thank you, Ingo86

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  • How to restrict postfix send limited email with policyd v2?

    - by Shalini Tripathi
    I have installed cluebringer-2.0.7 for postfix and enabled below lines in the main.cf file of postfix. But I could not see any policy working smtpd_recipient_restrictions = permit_mynetworks permit_sasl_authenticated reject_unauth_destination check_policy_service inet:127.0.0.1:10031 smtpd_end_of_data_restrictions=check_policy_service inet:127.0.0.1:10031 To check further I enabled logging in policyd and its only shows below logs and there is no logs getting populated when I send new emails.. [2012/06/12-21:18:50 - 13949] [CORE] NOTICE: Process Backgrounded [2012/06/12-21:18:50 - 13949] [CBPOLICYD] NOTICE: Policyd v2 / Cluebringer - v2.0.7 [2012/06/12-21:18:50 - 13949] [CBPOLICYD] NOTICE: Initializing system modules. [2012/06/12-21:18:50 - 13949] [CBPOLICYD] NOTICE: System modules initialized. [2012/06/12-21:18:50 - 13949] [CBPOLICYD] NOTICE: Module load started... [2012/06/12-21:18:50 - 13949] [CORE] NOTICE: = AccessControl: enabled [2012/06/12-21:18:50 - 13949] [CORE] NOTICE: = CheckHelo: enabled [2012/06/12-21:18:50 - 13949] [CORE] NOTICE: = CheckSPF: enabled [2012/06/12-21:18:50 - 13949] [CORE] NOTICE: = Greylisting: enabled [2012/06/12-21:18:50 - 13949] [CORE] NOTICE: = Quotas: enabled [2012/06/12-21:18:50 - 13949] [CORE] NOTICE: = Protocol(Postfix): enabled [2012/06/12-21:18:50 - 13949] [CORE] NOTICE: = Protocol(Bizanga): enabled [2012/06/12-21:18:50 - 13949] [CBPOLICYD] NOTICE: Module load done. [2012/06/12-21:18:50 - 13949] [CORE] NOTICE: 2012/06/12-21:18:50 cbp (type Net::Server::PreFork) starting! pid(13949) [2012/06/12-21:18:50 - 13949] [CORE] NOTICE: Binding to TCP port 10031 on host * [2012/06/12-21:18:50 - 13949] [CORE] WARNING: Group Not Defined. Defaulting to EGID '0 10 6 4 3 2 1 0' [2012/06/12-21:18:50 - 13949] [CORE] WARNING: User Not Defined. Defaulting to EUID '0' Do I need to do anymore settings for postfix to listen on policyd???Please help

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  • debian VM refusing all traffic apart from http

    - by james lewis
    I've got a VM with a fresh install of Debian (wheezy) and I've installed node and mongo on it. The VM is using a bridged network connection so I was expecting to be able to point my host machines browser at the ip address of the Debian VM (port 1337 for my node example or port 28017 for my mongo status page) and see one of the two services (node or mongo). My requests are refused though. As far as I can tell Debian allows all traffic by default and you have to manually configure iptables to drop traffic. I've checked iptables and it says it's setup to allow anything through. It looks like this: root@devbox:/home/jlewis# iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination As a test I setup nginx and I was able to get to the nginx landing page from my host no problems so obviously http traffic is allowed. I then set nginx up to forward all traffic upstream to mongo - no problems there, I was able to see the status page. I then did the same for my example node server and again, no problems. So http traffic is fine, but all other traffic is blocked. Anyone know why debian might be refusing all other traffic other than iptables being setup to drop it? EDIT - output from netstat -nltp: Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 127.0.0.1:28017 0.0.0.0:* LISTEN 1762/mongod tcp 0 0 0.0.0.0:51028 0.0.0.0:* LISTEN 1541/rpc.statd tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 2462/sshd tcp 0 0 127.0.0.1:1337 0.0.0.0:* LISTEN 2794/node tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 2274/exim4 tcp 0 0 127.0.0.1:27017 0.0.0.0:* LISTEN 1762/mongod tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN 1510/rpcbind tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 2189/nginx tcp6 0 0 :::22 :::* LISTEN 2462/sshd tcp6 0 0 :::45335 :::* LISTEN 1541/rpc.statd tcp6 0 0 ::1:25 :::* LISTEN 2274/exim4 tcp6 0 0 :::111 :::* LISTEN 1510/rpcbind

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  • Nginx Not Passing URL Parameters

    - by jmccartie
    Messing around with Nginx ... for some reason, it looks like none of my URL parameters are being passed. My homepage loads fine, but a URL like "http://mysite.com/more.php?id=101" throws errors, saying that the ID is an undefined index. I'm assuming this is something basic I'm missing in a conf file. Some info: conf.d/virtual.conf server { listen 80; server_name dev.mysite.com; index index.php; root /var/www/dev.mysite.com_html; location / { root /var/www/dev.mysite.com_html; } location ~ \.php(.*)$ { fastcgi_pass 127.0.0.1:9000; fastcgi_param SCRIPT_FILENAME /var/www/wap/dev.mysite.com_html/$fastcgi_script_n ame; fastcgi_index index.php; include /etc/nginx/fastcgi_params; } } Error log: 2009/06/22 11:44:21 [notice] 16319#0: start worker process 16322 2009/06/22 11:44:28 [error] 16320#0: *1 FastCGI sent in stderr: "PHP Notice: Undefined index: id in /var/www/dev.mysite.com_html/more.php on line 10 Thanks in advance.

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  • Why am I getting blank error messages in my Apache error log?

    - by Jason Lamoreux
    I am running Apache 2.2 on 64bit Windows Server 2008 Std edition with ActivePerl 5.8.9. My error log is filling up with blank error messages like these: [Wed Mar 31 14:08:31 2010] [error] [client 10.6.1.164] [Wed Mar 31 14:10:32 2010] [error] [client 10.6.1.89] [Wed Mar 31 14:13:20 2010] [error] [client 10.6.1.131] By looking in the access log I can tell that it occurs when our client machines issue a GET to a very simple Perl script. #!perl.exe use strict; no warnings; $|=1; use CGI::Carp('fatalsToBrowser'); use CGI qw(:standard); print header; my $CRLF = "\r\n<br>"; my $Port = '10116'; print "Success!${CRLF}PollInterval=5${CRLF}LMProMode${CRLF}Version=7${CRLF}ConnectionPort=$Port"; exit; The weird thing is that it does not look like this error message is inserted every time a GET to this Perl script occurs. What could cause this error message to appear in the Apache error log?

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  • Amazon CloudFront and EC2: Global Load Balancing

    - by Matt Rogish
    We have an app that is going to store and serve up a decent amount of data in S3 to a global audience where latency should be minimized. So, we've been doing tests with Amazon CloudFront and have seen favorable results. However, we need a thin middleware layer (to do security etc.) and we'd like to put that in EC2. Due to security restrictions, this middleware layer will do the file streaming from S3/CloudFront: S3/CloudFront - EC2 - Clients We can geographically distribute the EC2 nodes (US East/West, and Ireland) but the problem is that a client in the EU would hit our US server and be fed data from there, thus rendering much of the performance benefit of CloudFront moot. I've been digging through the EC2 docs but I can't find a built-in way to get a geographically distributed version of EC2 a la CloudFront. Elastic Load Balancing sounds like the way to go, but I can't seem to find a way with that to direct based on routing... Preferably, we'd like to keep the amount of stuff outside of EC2/S3/etc. to a minimum (for obvious reasons). Any ideas how to do that within the EC2/S3 framework? DNS/routing tricks? Thanks!

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  • Failed loading ioncube

    - by time
    I recently upgraded a small server to Ubuntu 12.10 (from 12.04), thus upgrading PHP from 5.3 to 5.4. However, I'm getting this in root's mailbox several times a day: Subject: Cron <root@xxxxxxx> [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -ignore_readdir_race -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete Content-Type: text/plain; charset=ANSI_X3.4-1968 X-Cron-Env: <SHELL=/bin/sh> X-Cron-Env: <HOME=/root> X-Cron-Env: <PATH=/usr/bin:/bin> X-Cron-Env: <LOGNAME=root> Message-Id: xxxxxxxxxxxxxxxxxxxxxxxx Date: Sun, 9 Dec 2012 05:09:02 -0500 (EST) Failed loading /usr/lib/php5/20090626+lfs/ioncube_loader_lin_5.3.so: /usr/lib/php5/20090626+lfs/ioncube_loader_lin_5.3.so: undefined symbol: php_body_write I assume that's coming up because it's for PHP 5.3. How can I just get rid of ioncube? I have no need for it, I don't even remember installing it. That .so file doesn't exist, and I've grep'd several locations for "ioncube" and I can't seem to figure how to stop that message from flooding the mailbox.

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  • Deleted vmware ESXi snapshot file - any way to recover?

    - by Mark Allison
    Hi there, I wanted to make some changes to a file server VM today on ESXi 4. The machine is a Debian Lenny guest with two virtual disks - one is 8GB and the other is 500Gb (data). In order to protect the machine from unwanted changes, I made a snapshot of the machine. I went ahead and made my changes and it didn't work out well. So, I powered off the VM and went into snapshot manager and reverted to snapshot. However I reverted to an older snapshot and not the one I just made by mistake. I then (idiotically) deleted the snapshot I just made in snapshot manager. This has resulted in me losing about one year's worth of data. Is there any way to recover this deleted snapshot file? I'm using vmware esxi 4. When I browse the VMWare repository I can see various vmdk files - is it possible the data I need is still there? What should I look for? Thanks, Mark.

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  • Updating PHP on Linux - "No Packages marked for Update"?

    - by Aristotle
    I'm very new to server-administration, but I was thinking the task of updating PHP to 5.2+ should be relatively simple. Online I found that the following was allegedly sufficient to do this: yum update php But when I run this, the following is output: [root@ip-XXX-XXX-XXX-XXX /]# php -v PHP 5.1.6 (cli) (built: Jan 13 2010 17:13:05) Copyright (c) 1997-2006 The PHP Group Zend Engine v2.1.0, Copyright (c) 1998-2006 Zend Technologies [root@ip-XXX-XXX-XXX-XXX /]# yum update php Loaded plugins: fastestmirror Determining fastest mirrors * addons: p3plmirror02.prod.phx3.secureserver.net * base: p3plmirror02.prod.phx3.secureserver.net * extras: p3plmirror02.prod.phx3.secureserver.net * turbopanel-base: p3plmirror02.prod.phx3.secureserver.net * turbopanel-centos5: p3plmirror02.prod.phx3.secureserver.net * update: p3plmirror02.prod.phx3.secureserver.net addons | 951 B 00:00 addons/primary | 201 B 00:00 base | 2.1 kB 00:00 base/primary_db | 1.6 MB 00:00 extras | 1.1 kB 00:00 extras/primary | 107 kB 00:00 extras 325/325 turbopanel-base | 951 B 00:00 turbopanel-base/primary | 72 kB 00:00 turbopanel-base 494/494 turbopanel-centos5 | 951 B 00:00 turbopanel-centos5/primary | 2.1 kB 00:00 turbopanel-centos5 8/8 update | 1.9 kB 00:00 update/primary_db | 463 kB 00:00 Setting up Update Process No Packages marked for Update [root@ip-XXX-XXX-XXX-XXX /]# php -v PHP 5.1.6 (cli) (built: Jan 13 2010 17:13:05) Copyright (c) 1997-2006 The PHP Group Zend Engine v2.1.0, Copyright (c) 1998-2006 Zend Technolog [root@ip-XXX-XXX-XXX-XXX /]# No Packages marked for Update [root@ip-XXX-XXX-XXX-XXX /]# php -v bash: No: command not found [root@ip-XXX-XXX-XXX-XXX /]# [root@ip-XXX-XXX-XXX-XXX /]# php -v bash: [root@ip-XXX-XXX-XXX-XXX: command not found [root@ip-XXX-XXX-XXX-XXX /]# PHP 5.1.6 (cli) (built: Jan 13 2010 17:13:05) bash: syntax error near unexpected token `(' [root@ip-XXX-XXX-XXX-XXX /]# Copyright (c) 1997-2006 The PHP Group bash: syntax error near unexpected token `c' [root@ip-XXX-XXX-XXX-XXX /]# Zend Engine v2.1.0, Copyright (c) 1998-2006 Zend Technologies bash: syntax error near unexpected token `(' [root@ip-XXX-XXX-XXX-XXX /]# My PHP version is 5.1.6 before, and after running the command. Am I being too naive here with this update process? Is there a more verbose route that is necessary for me to take?

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  • Looking for equivalent of ProxyPassReverseMatch in Apache to fix missing trailing forward slash issue

    - by Alex Man
    I have two web servers, www.example.com and www.userdir.com. I'm trying to make www.example.com as the front end proxy server to serve requests like in the format of http://www.example.com/~username such as http://www.example.com/~john/ so that it sends an internal request of http://www.userdir.com/~john/ to www.userdir.com. I can achieve this in Apache with ProxyPass /~john http://www.userdir.com/~john ProxyPassReverse /~john http://www.userdir.com/~john The ProxyPassReverse is necessary as without it a request like http://www.example.com/~john without the trailing forward slash will be redirected as http://www.userdir.com/~john/ and I want my users to stay in the example.com space. Now, my problem is that I have a lot of users and I cannot list all those user names in httpd.conf. So, I use ProxyPassMatch ^(/~.*)$ http://www.userdir.com$1 but there is no such thing as ProxyPassReverseMatch in Apache. Without it, whenever the trailing forward slash is missing in the URL, one will be directed to www.userdir.com, and that's not what I want. I also tried the following to add the trailing forward slash RewriteCond %{REQUEST_URI} ^/~[^./]*$ RewriteRule ^/(.*)$ http://www.userdir.com/$1/ [P] but then it will render a page with broken image and CSS because they are linked to http://www.example.com/images/image.gif while it should be http://www.example.com/~john/images/image.gif. I have been googling for a long time and still can't figure out a good solution for this. Would really appreciate it if any one can shed some light on this issue. Thank you!

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  • Why are SMART error rates going down?

    - by Jeff Shattock
    I have a hard drive that's part of a Linux software raid5 array. SMART has reported that its multi_zone_error_rate was 0, then 1, then 3. So I figured I better start backing up more frequently and prepare to replace the drive. Now, today, the multi_zone_error_rate of that very same drive is back down to 1. It seems that 2 errors unhappened while I wasn't looking. I've also seen simliar behaviour by inspecting the syslog on the server. Jun 7 21:01:17 FS1 smartd[25593]: Device: /dev/sdc, SMART Usage Attribute: 7 Seek_Error_Rate changed from 200 to 100 Jun 7 21:01:17 FS1 smartd[25593]: Device: /dev/sde, SMART Usage Attribute: 7 Seek_Error_Rate changed from 200 to 100 Jun 7 21:01:18 FS1 smartd[25593]: Device: /dev/sdg, SMART Usage Attribute: 7 Seek_Error_Rate changed from 200 to 100 Jun 8 02:31:18 FS1 smartd[25593]: Device: /dev/sdg, SMART Usage Attribute: 7 Seek_Error_Rate changed from 100 to 200 Jun 8 03:01:17 FS1 smartd[25593]: Device: /dev/sdc, SMART Usage Attribute: 7 Seek_Error_Rate changed from 100 to 200 Jun 8 03:01:17 FS1 smartd[25593]: Device: /dev/sde, SMART Usage Attribute: 7 Seek_Error_Rate changed from 100 to 200 These are raw values, not the human-useful values that smartctl -a produces, but the behaviour is similar: error rates changing, then undoing the change. None of these are the drive that had the multi_zone weirdness. I haven't seen any problems from the RAID; its most recent scrub ( < 24 hours ago) came back totally clean. The only thing I can think of is that the SMART reporting circuitry on the drive isn't working properly all the time. The cables are in tight on the drive and board. What's going on here?

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  • SCM8014 to FVS338

    - by Jack
    I have a SMC8014 Router/Modem that Comcast provided me with their business class service. It was not filtering malicious traffic as aggressively as I had hoped, so I purchased a NetGear ProSafe FVS338, and put this behind the SMC8014, and all my machines behind that. After some brief configuration, all machines can see out to the internet. I also have a single web server, and I have not been able to configure things so that incoming requests can reach it. This is where I need help! I would like to have the FVS339 do NAT, so that I can assign a 192.168 address to my webserver. I've tried everything I know of, and I can't get things going. I set the SMC8014 to have a LAN facing IP of 10.0.0.1, and I assigned the FVS339 a WAN facing IP of 10.0.0.2. I would like to be able to tell the SMC8014 to just forward all traffic to 10.0.0.2, but I haven't had any success. In my (unfortunately limited) understanding, what I probably want here is a static route, but I don't know how to cofigure one, or if this is really what I want. The SMC8014 wants a Destination IP, a Subnet Mask and a Gateway IP. Any help would be appreciated.

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  • Bad network performance on KVM guest

    - by Devator
    I have a dedicated server connected to a 1000 Mbit port. However, the Debian guest is only getting half to a 1/4 the speeds: On the node itself (Linux node 2.6.32-279.9.1.el6.x86_64 #1 SMP Tue Sep 25 21:43:11 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux): wget http://www.bbned.nl/scripts/speedtest/download/file1000mb.bin -O /dev/null --2012-11-11 23:10:11-- http://www.bbned.nl/scripts/speedtest/download/file1000mb.bin Resolving www.bbned.nl... 62.177.144.181 Connecting to www.bbned.nl|62.177.144.181|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1048576000 (1000M) [application/octet-stream] Saving to: â/dev/nullâ 100%[====================================>] 1,048,576,000 100M/s in 10s 2012-11-11 23:10:21 (100 MB/s) - â/dev/nullâ On the guest (Debian 6.0.5, x64: Linux debian 2.6.32-5-amd64 #1 SMP Sun Sep 23 10:07:46 UTC 2012 x86_64 GNU/Linux): wget http://www.bbned.nl/scripts/speedtest/download/file1000mb.bin -O /dev/null --2012-11-11 23:10:41-- http://www.bbned.nl/scripts/speedtest/download/file1000mb.bin Resolving www.bbned.nl... 62.177.144.181 Connecting to www.bbned.nl|62.177.144.181|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1048576000 (1000M) [application/octet-stream] Saving to: â/dev/nullâ 100%[=================================================================================================================================================================================================>] 1,048,576,000 16.5M/s in 42s 2012-11-11 23:11:23 (23.8 MB/s) - â/dev/nullâ I use the virtio NIC. I tried some more NICs: e1000 and the Realtek 8139 but those yield even worse results. Anyone has an idea how to improve these speeds?

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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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  • samba "username map" stopped to work after upgrade to 3.6

    - by Kris_R
    It was time to upgrade our group server (new HDs, problems with old installation of DRBD, etc..). Going as usually for CentOS i upgraded whole system from 6.3 to 6.4 The later one came with samba 3.6 as the old one was 3.5. I transferred most of users by copying /etc/password, /etc/shadow and samba accounts with pdbedit. Homes were on nfs-drive. The translation of unix accounts to samba accounts are located in /etc/samba/smbusers. Strangely enough on some windows clients there was problem to connect to samba-shares. In one case the only thing that worked was, instead of giving windows name, to use the unix account. In another one, it was possible to mount network drive and to open it in Windows Explorer, however other applications like "Total commander" at the attempt of opening this drive gave the message "Cannot connect to z:" (sometimes at this moment user/pass were requested). The smb.conf has following entries: [global] security = user passdb backend = tdbsam username map = /etc/samba/smbusers ... [Kris] comment = Kris's Private path = /SMB/Users/Kris writeable = yes read only = no browseable = yes users = krisr printable = no security mask = 0777 force security mode = 0 directory security mask = 0777 force directory security mode = 0 force create mode = 0775 force directory mode = 6775 The smbusers: # Unix_name = SMB_name1 SMB_name2 ... krisr = Kris Of course testparm runs without any errors. I was used from samba 3.5 to outputs of form Mapped user kris to krisr. Nothing like this happens now. Just message check_sam_security: Couldn't find user Kris in passdb. I read on web that some guys had problem with 3.6 and security = ADS, but these were not helpful for me. I'm seriously thinking about downgrading back to samba 3.5 but before this step I wanted to ask if somebody knows the solution of these problems.

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  • Network Load Balancing, intermittent port problem

    - by Jimmy Chandra
    Trying to troubleshoot an intermittent problem. I think it might be related to an NLB issue. We are using Windows Network Load Balancing to balance load for our multiserver SharePoint front ends. Say... Web Front End 1 IP is 192.168.1.100 and Web Front End 2 IP is 192.168.1.101, the NLB is setup to load balance both WFE servers on any incoming traffic to the IP 192.168.1.200. Sometimes we got an intermittent issue where when we try to access the SharePoint site using 192.168.1.200:8080 (say the site is set up to run on port 8080) from a remote client, it will display page not found. Pinging the 192.168.1.200 will give responses, but when trying to telnet to 192.168.1.200:8080 it just won't connect. However, browsing the SharePoint site directly on individual WFE (192.168.1.100 and 192.168.1.101) show no problem whatsoever. My guess also (we didn't get a chance to try it yet, but I think it should work), if I try connecting remotely to individual server, it will respond just fine. But any attempt on trying to connect using the virtual IP (192.168.1.200) will fail miserably. Funny thing is, after a while it will return back to normal. Anyone had similar experience with this type of problem while implementing NLB before? We are doing this in a virtual environment.

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  • Cause of slow download speed on a particular EC2 instance?

    - by James
    I have a networking issue I'm trying to solve. I have two EC2 instances, same zone, same type. On one of the two EC2 instances (the 'bad' instance), the download speed is really poor (200k/s), while on the other (the 'good' instance), the download speed is fine, comfortable at 30M/s +). To clarify, I'm talking about downloading files to the EC2 instance while ssh'd into the server, e.g running wget with a large file. I've tried different files, including S3 objects and a large linux ISO from elsewhere. Running ethtool eth0 only returns 'Link detected: yes' for both. When running ifconfig, both return the same for most part, aside from how the good instance shows no error packets yet the bad instance shows many: UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:168372370 errors:5075643 dropped:0 overruns:0 frame:0 TX packets:122116480 errors:0 dropped:0 overruns:0 carrier:0 Both servers are configured the same, at least were supposed to be. How can I go about diagnosing the cause for the slow download speed? Is there anything particular to EC2 instances that could cause this? Having trouble knowing where to start. Thanks for any help!

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  • apache authentication

    - by veilig
    I'm trying to set up a local webserver on my network. I want to be able to be able to access the webserver from any machine inside my network w/out authenticating. and two extra domains need access to it w/out authenticating. Everyone else I would like to authenticate in. so far, I can get to it from inside my network. and the two extra domains can access my webserver, but everyone else is just hanging. They don't get an authentication or anything. can anyone tell me what I'm doing wrong here? This is part of my apache's site-available file so far: <Directory /path/to/server/> Options Indexes FollowSymLinks -Multiviews Order Deny,Allow Deny from All Allow from 192.168 Allow from localhost Allow from domain1 Allow from domain2 AuthType Basic AuthName "my authentication" AuthUserFile /path/to/file Require valid-user Satisfy Any AllowOverride All <Files .htaccess> Order Allow,Deny Allow from All </Files> </Directory>

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  • Referencing groups/classes from Puppet dashboard in my site manifest

    - by Banjer
    I'm using Puppet Dashboard as my ENC and I'm not sure how to reference or use class and group classifications from /etc/puppet/manifests/site.pp. I have two groups defined in the dashboard: CentOS6 and SLES11. What should my site.pp look like if I want to include a certain list of modules in the CentOS6 group and a certain list of modules in the SLES11 group? I'm trying to do something like this: # /etc/puppet/manifests/site.pp node basenode { include hosts include ssh::server include ssh::client include authentication include sudo include syslog include mail } node 'CentOS6' inherits basenode { include profile } node 'SLES11' inherits basenode { include usrmounts } I have OS-specific case statements within my modules, but there are some modules that will only be applied to a certain distro. So I suppose I have two questions: Is this the best way to apply modules/resources in an OS-specific manner? Or does the above make you want to vomit? Regardless of #1, I'm still curious as how to reference classes, groups, and nodes from Dashboard within my manifests. I've read the External Nodes doc, but I'm not seeing how they correspond to manifests. Thanks all.

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  • printing parallel over ethernet cable

    - by Crudler
    I have a bit of an interesting challenge :) I have a machine with a parallel printer output, i want it to be able to print instead to a printer in a different room and i know that parallel isnt great over big distances. i found this: http://www.amazon.com/over-Cat5-Extension-Cable-Adapter/dp/B002WJ9S6Y%3FSubscriptionId%3DAKIAINHICTCYYZGJWT4Q%26tag%3Dusbprintercables.net-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB002WJ9S6Y which will let me connect over cat5, but its usb to cat 5. my machine can only output on parallel (its not a computer) so what i was thinking of getting is a parallel(f) to usb and usb to parallel (M) for either side i.e. machine - parallel - usb - cat5 - usb - parallel -printer just seems a bit messy :) suggestions? another thing i would like to try is to get rid of the old school parallel printer and instead use a network based multi function. would this be possible? i.e. machine - parallel -usb - cat5 - ethernet print server - network printer this might be rougher because the machine cannot "know" that we are using a network printer. it can ONLY print to LPT1 Thanks!

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  • Monitoring / metric collection for system collectives that change a lot in time (a.k.a. cloud)

    - by Florin Andrei
    When your server fleet doesn't change a lot in time, like when you're using bare-metal hosting, classic monitoring and metric collection solutions (Nagios, Munin) work well. But if the number of systems varies a lot in time, and may in fact vary rapidly, classic software is more difficult to setup and use. E.g., trying to make Nagios (monitoring) keep up with a rapidly evolving cloud infrastructure can be cumbersome. Same for Munin (metric collection). It's not just the configuration, but the way the information is conveyed to the user, or displayed, is inadequate for the cloud. What are some possible alternatives that work well with the cloud? The goals are to collect and display metrics (analog to Munin), and generate alerts when certain metrics go out of bounds or when certain services are unavailable (analog to Nagios), and do everything in a cloud-friendly manner. Some cloud providers offer monitoring / metric collection as services, but not always, and if you use more than one provider you don't want to become too dependent of just one vendor. So provider-independent solutions are required. EDIT: I am asking this question in a general fashion - not limited to any given cloud infrastructure (like OpenStack), but in the general case of using arbitrary cloud providers.

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  • Win2k8R2 / IIS 7.5 - users getting 503 response, no 503 error reported in logs

    - by merk
    I've got 2 web servers with mirrored content. There's a load balancer sitting in front of them. Starting yesterday we've been getting people complaining about 503 errors. i can't find any 503 errors in the IIS log file. However the server host is saying these errors are due to .Net errors in our website which are causing the app pool to recycle. They pointed out several errors in the windows application event log which look like this: Log Name: Application Source: ASP.NET 4.0.30319.0 Date: 3/31/2012 8:35:37 PM Event ID: 1309 Task Category: Web Event Level: Warning Keywords: Classic User: N/A Computer: 6251.local Description: Event code: 3005 Event message: An unhandled exception has occurred. Event time: 3/31/2012 8:35:37 PM Event time (UTC): 4/1/2012 1:35:37 AM Event ID: e7a580c7b38545cca3416a8595408f24 Event sequence: 97 Event occurrence: 1 Event detail code: 0 Application information: Application domain: /LM/W3SVC/2/ROOT-1-129777167518960645 Trust level: Full Application Virtual Path: / Application Path: C:\inetpub\wwwroot\mywebsite\ Machine name: 6252 Process information: Process ID: 20000 Process name: w3wp.exe Account name: IIS APPPOOL\MyAppPool In particular they are saying that the account name under Process Information indicates that the app pool is recycling. They said if the app pool were not recycle, the accountname would instead be the folder where the website files are located. I checked the app pool settings - it's set to recycle every 29 hours. And the rapid fail protection is set to the default of 5 failures in 5 minutes. But i have not seen 5 failures in the event log in that short of a time span. Can anyone help me confirm if the 503 responses are indeed being generated by the app pools recycling? Or are these errors coming from somewhere else? My guess at the time was their load balancer was the one actually returning the 503 error. But that was just a guess.

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