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• Win 2003 SBS - secure enough by default?

  - by Pekka

  I have to set up a Windows 2003 Small Business Server to work as a Subversion repository and possibly as an E-Mail server later. The machine is a virtual one, hosted with a hosting company, and freshly initialized. I used the Security Configuration Wizard to deactivate all server roles. After I install Subversion, I will open the necessary ports for the service; in addition, obviously, RDP will stay open so I can remote control the machine. Automatic updates are activated, and I will set up E-Mail notification every time somebody logs on to the server. I'm a programmer and not a professional systems administrator, so I would like to know whether you would regard this a sane and secure setup for a (publicly available) box to host sensitive code and/or E-Mail on. Is there anything in addition I should do to make the machine secure? Is there anything I can do on a long-term basis to keep the machine secure, apart from monitoring the event log (as far as I can make sense out of it), and seeing that any hotfixes are installed properly?

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• How to send email from home ip when the email server isn't a designated outbound mail server allocated to BT Retail customers [on hold]

  - by Mr Shoubs

  (I am sys admin!) I can receive email, but when I try to send an email from my home office via our work email server I get the following reply: Your message did not reach some or all of the intended recipients. Subject: Test Sent: 19/08/2014 17:02 The following recipient(s) cannot be reached: 'Joe Blogs' on 19/08/2014 17:02 Server error: '554 5.7.1 Service unavailable; Client host [my-ip-here] blocked using zen.spamhaus.org; http://www.spamhaus.org/query/bl?ip=my-ip-here' I went to that URL and it says the following: Ref: PBL231588 81.152.0.0/13 is listed on the Policy Block List (PBL) Outbound Email Policy of BT Retail for this IP range: It is the policy of BT Retail that unauthenticated email sent from this IP address should be sent out only via the designated outbound mail server allocated to BT Retail customers. Please consult the following URL for details on how to configure your email client appropriately. http://btybb.custhelp.com/cgi-bin/btybb.cfg/php/enduser/cci/bty_adp.php?p_sid=fPnV4zhj&p_faqid=6876 Removal Procedure Removal of IP addresses within this range from the PBL is not allowed by the netblock owner's policy. Going to this URL just says: This site has been disabled for the time being. Does anyone know what I should do to allow me to send emails from my home ip - the site suggests I can configure my email client? (note that I have configured the client to use smtp authentication)

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• How to correctly configure DNS for Icelandic domains and Plesk

  - by Leonard Challis

  I have a domain registered with ISNIC (domain.is). They only let you set nameservers that pass their requirements. I've been told it's this requirement that I need to fix: Nameserver must be consistently registered in DNS, i.e. its own A resource record must be available and a corresponding PTR resource record as well. I allocated two new IP addresses from my server host and at that point set their PTR records to ns0.domain.is and ns1.domain.is. After that I created two A records for that domain in Plesk, again ns0. and ns2.domain.is with their respective IPs. Next, I went to the ISNIC page to register my nameservers, along with their IP addresses I'd allocated and this worked perfectly for both without error. So the final job was to set the nameservers for the domain via ISNIC's control panel, however when I try, I'm getting this error: Test results for "NS0.DOMAIN.IS": The nameserver ns1.vps123.vpsprovider.com is not consistently registered in DNS (ns1.vps123.vpsprovider.com => 1123.123.123.123 => vps123.vpsprovider.com) The nameserver ns0.vps123.vpsprovider.com is not consistently registered in DNS (ns0.vps123.vpsprovider.com => 1123.123.123.123 => vps123.vpsprovider.com) The nameserver ns0.DOMAIN.IS is missing from the NS record set for DOMAIN.IS Test results for "NS1.DOMAIN.IS": The nameserver ns1.DOMAIN.IS is missing from the NS record set for DOMAIN.IS The nameserver ns0.DOMAIN.IS is missing from the NS record set for DOMAIN.IS This is really at the limits of my DNS knowledge I'm afraid. It feels like I'm close but maybe missing a vital part, linking the nameservers in Plesk or something?

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• PHP displays blank white page even with all error reporting enabled

  - by Andy Shinn

  I am trying to debug a broken page in a Drupal application and am having a hard time getting PHP to spit anything useful out. I have the following set: error_reporting = E_ALL display_errors = On display_startup_errors = On log_errors = On error_log = /var/log/php/php_error.log I have a file showing me phpinfo() which confirms these variables are set correctly for the environment. I have increased memory_limit to 256M (which should be more than enough). Yet, the only indication I get is a status 500 code in the apache access log and a blank white page from PHP. The Apache virtual host has LogLevel set to debug and the error log only outputs: [Sat Jun 16 20:03:03 2012] [debug] mod_deflate.c(615): [client 173.8.175.217] Zlib: Compressed 0 to 2 : URL /index.php, referer: http://ec2-174-129-192-237.compute-1.amazonaws.com/admin/reports/updates [Sat Jun 16 20:03:03 2012] [error] [client 173.8.175.217] File does not exist: /var/www/favicon.ico [Sat Jun 16 20:03:03 2012] [debug] mod_deflate.c(615): [client 173.8.175.217] Zlib: Compressed 42 to 44 : URL /favicon.ico The PHP error log outputs nothing at all. kernel and syslog show nothing related to Apache or PHP. I have also tried installing suphp and checking its log just confirms the user is executing correctly: [Sat Jun 16 20:02:59 2012] [info] Executing "/var/www/index.php" as UID 1000, GID 1000 [Sat Jun 16 20:05:03 2012] [info] Executing "/var/www/index.php" as UID 1000, GID 1000 This is on Ubuntu 12.04 x86_64 with the following PHP modules: ii php5 5.3.10-1ubuntu3.1 server-side, HTML-embedded scripting language (metapackage) ii php5-cgi 5.3.10-1ubuntu3.1 server-side, HTML-embedded scripting language (CGI binary) ii php5-cli 5.3.10-1ubuntu3.1 command-line interpreter for the php5 scripting language ii php5-common 5.3.10-1ubuntu3.1 Common files for packages built from the php5 source ii php5-curl 5.3.10-1ubuntu3.1 CURL module for php5 ii php5-gd 5.3.10-1ubuntu3.1 GD module for php5 ii php5-mysql 5.3.10-1ubuntu3.1 MySQL module for php5 So, what am I missing here? Why no error reporting?

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• What is the ideal way to set up multiple FTP enabled web accounts on Fedora?

  - by Nicholas Flynt

  I'm setting up a test server for use as a web development platform, and I'd like to mimic as closely as I can a typical shared hosting setup. That is, I'd like my server to have multple user FTP accounts, each of which links to a directory containing the webroot of the site, and I'd like apache to be able to easily see and manupulate these files. I'll admit: I'm not as familiar with Fedora as I'd like, I run Ubuntu on my home box and SElinux is giving me some grief. My initial plan was to have each user FTP into their home directory, and put the web directory there as well, but SElinux throws a hissy fit when apache tries to access anything outside of its web directory, so that plan was a no go. Would it be wise to continue this route, and perhaps mount web directories in user home folders so that FTP could still be used to access them, even though apache saw them in var/www like it expects? Would it make more sense to set up custom FTP accounts and use a single FTP user on the server box? What's the general course of action on something like this? I'm using vsftpd right now to host web directories, which is why I'm liking the home directory approach (it's simple and secure) but of course there's bound to be a better way to go about it. Thanks. (I'll leave other things, like restricted DB access and such, to another post. I'm interested right now with just getting FTP and apache to play nice in a multi-user environment.) PS: For the record, an issue I ran into when doing all of this was that if apache isn't running as the same user as the FTP account is saving as, there are permissions errors when FTP creates files, requiring the remote user to chmod the files to fix it. A logical fix would be to run apache in a special group, put all web users in this group, and have FTP access default to giving this group read/write access to everything like apache would expect, but I never could figure out how to accomplish this. Bonus points and cake if you know a solution.

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• apache2 server running ruby on rails application has go daddy cert that works in chrome/firefox and ie 9 but not ie 8

  - by ryan

  I have a rails application up on a linode ubuntu 11 server, running apache2. I have a cert purchased from godaddy, (where we also bought our domain) and the cert is installed on my server. Part of my virtual host file: ServerName my_site.com ServerAlias www.my_site.com SSLEngine On SSLCertificateFile /path/my_site.com.crt SSLCertificateKeyFile /path/my_site.com.key SSLCertificateChainFile /path/gd_bundle.crt The cert works fine in Chrome, FireFox and IE 9+ but in IE 8- I get this error: There is a problem with this website's security certificate. The security certificate presented by this website was issued for a different website's address. I'm hosting multiple rails apps on this same server (4 right now plus some old php sites that don't need ssl). I have tried googling every possible combination of the error/situation that I could think of but at this point I'm shooting in the dark. The closest I could come up with is that some versions if IE don't support SNI. But that doesn't apply here because I am getting the warning on windows 7 machines running IE 8, and the SNI only seemed to apply to IE 8 if the operating system was windows XP. So why is this cert being accepted by all browsers but giving me a warning in IE 8? Edit: So doing a little more digging and I figured out some more. It turns out this is effecting IE 9 as well. However the problem seems to be that IE is not traversing the ssl chain to get to the right cert. FireFox and Chrome when I go to view certificate show the correct one, but IE is showing one of our other sites certificates. REAL QUESTION HERE: That being the case why is IE not getting the right certificate when others are and how do I fix it?

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• site to listen on port 88

  - by JohnMerlino

  I want to get one of my sites to listen on port 88. In ports.conf in /etc/apache2 on ubuntu server, I add so web app can listen on port 88: NameVirtualHost *:80 Listen 80 NameVirtualHost *:88 Listen 88 I have this in my etc/apache2/apache2.conf, I have this: # Include the virtual host configurations: Include sites-enabled/ Under sites enabled, I have a file looks like this: Listen *:88 NameVirtualHost *:88 <VirtualHost *:88> ServerName dogtracking.com DocumentRoot /home/doggps/public_html/eaglegps.com/current/public <Directory /home/doggps/public_html/eaglegps.com/current/public> AllowOverride all Options -MultiViews </Directory> <LocationMatch "^/assets/.*$"> Header unset ETag FileETag None # RFC says only cache for 1 year ExpiresActive On ExpiresDefault "access plus 1 year" </LocationMatch> </VirtualHost> Then I try to restart apache: /etc/init.d/apache2 restart And I get: * Restarting web server apache2 /usr/sbin/apache2ctl: line 87: ulimit: open files: cannot modify limit: Operation not permitted Warning: DocumentRoot [/home/xtreme/Sites/DogGPS-CMS] does not exist apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName [Thu Oct 18 18:04:21 2012] [warn] NameVirtualHost *:88 has no VirtualHosts /usr/sbin/apache2ctl: line 87: ulimit: open files: cannot modify limit: Operation not permitted Warning: DocumentRoot [/home/xtreme/Sites/DogGPS-CMS] does not exist apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName [Thu Oct 18 18:04:22 2012] [warn] NameVirtualHost *:88 has no VirtualHosts (13)Permission denied: make_sock: could not bind to address 0.0.0.0:80 no listening sockets available, shutting down Unable to open logs Action 'start' failed.

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• Selecting Interface for SSH Port Forwarding

  - by Eric Pruitt

  I have a server that we'll call hub-server.tld with three IP addresses 100.200.130.121, 100.200.130.122, and 100.200.130.123. I have three different machines that are behind a firewall, but I want to use SSH to port forward one machine to each IP address. For example: machine-one should listen for SSH on port 22 on 100.200.130.121, while machine-two should do the same on 100.200.130.122, and so on for different services on ports that may be the same across all of the machines. The SSH man page has -R [bind_address:]port:host:hostport listed I have gateway ports enabled, but when using -R with a specific IP address, server still listens on the port across all interfaces: machine-one: # ssh -NR 100.200.130.121:22:localhost:22 [email protected] hub-server.tld (Listens for SSH on port 2222): # netstat -tan | grep LISTEN tcp 0 0 100.200.130.121:2222 0.0.0.0:* LISTEN tcp 0 0 :::22 :::* LISTEN tcp 0 0 :::80 :::* LISTEN Is there a way to make SSH forward only connections on a specific IP address to machine-one so I can listen to port 22 on the other IP addresses at the same time, or will I have to do something with iptables? Here are all the lines in my ssh config that are not comments / defaults: Port 2222 Protocol 2 SyslogFacility AUTHPRIV PasswordAuthentication yes ChallengeResponseAuthentication no GSSAPIAuthentication no GSSAPICleanupCredentials no UsePAM yes AcceptEnv LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES AcceptEnv LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT AcceptEnv LC_IDENTIFICATION LC_ALL AllowTcpForwarding yes GatewayPorts yes X11Forwarding yes ClientAliveInterval 30 ClientAliveCountMax 1000000 UseDNS no Subsystem sftp /usr/libexec/openssh/sftp-server

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• Including email, IMs, configs, etc. in documentation or notes

  - by Jason Antman

  The shop I work in is pretty laid-back. We're on a documentation kick, only because historically we've been very bad with it. We do a lot of our brainstorming in face-to-face meetings, and also do a lot of communication via IM in addition to email. While I'm usually pretty good about documentation and keeping copious lab notes, I just finished a build of a host and spent hours searching through IMs, emails, files on my workstation, etc. to pull out anything I missed in my lab notes, which formed a large amount of the basis for the internal documentation. Does anyone have any thoughts on, aside from manually saving things to a project directory, managing various data sources (especially email and IM) and tracking them on project basis? Ideally, I'd like an easy way to put copies of emails, IM logs, etc. into a project-specific directory on my workstation and then just have a cron job that syncs that up with a shared folder. This isn't really a candidate for anything more advanced, as the bulk of the data will be copies of configs, code, etc. Here are the big restrictions: Email is via a centralized Zimbra install, so nothing can happen server-side. My workstation is Linux. Aside from writing Pidgin and Thunderbird plugins that let me tag chats and emails as belonging to a project, and then copy them to the appropriate place... any thoughts? Suggestions? Thanks, Jason

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• EngineX ignores Auth Basic?

  - by Miko

  I have configured nginx to password protect a directory using auth_basic. The password prompt comes up and the login works fine. However... if I refuse to type in my credentials, and instead hit escape multiple times in a row, the page will eventually load w/o CSS and images. In other words, continuously telling the login prompt to go away will at some point allow the page to load anyway. Is this an issue with nginx, or my configuration? Here is my virtual host: 31 server { 32 server_name sub.domain.com; 33 root /www/sub.domain.com/; 34 35 location / { 36 index index.php index.html; 37 root /www/sub.domain.com; 38 auth_basic "Restricted"; 39 auth_basic_user_file /www/auth/sub.domain.com; 40 error_page 404 = /www/404.php; 41 } 42 43 location ~ \.php$ { 44 include /usr/local/nginx/conf/fastcgi_params; 45 } 46 } My server runs CentOS + nginx + php-fpm + xcache + mysql

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• Can I use a Drobo FS over the internet? -Or alternative?

  - by SeniorShizzle

  I have a lot of files. A HUGE Aperture library, lots of design work from Photoshop, and a rather large iTunes library too. I really want to get a Drobo FS, the networked one, to store all of my stuff on, so that I can get to it from my MacBook Air (which obviously with its minuscule 64GB drive can't hold my Aperture library by itself) and my iMac which is my main powerhouse. The dealbreaker for me is that I NEED to be able to access my Aperture library, and especially my iTunes library from across the internet. I understand that it will probably be slow and everything, but there's nothing else I can do besides hauling around a huge hard drive with me. So, is there any way I can somehow share my Drobo across the internet, on a VPN or something? My other alternative is to upload everything to my web host, FatCow, which offers unlimited disk space (something I hope to make them regret) and then access it using Expandrive. My only thoughts with this are that with the Drobo, any work that I do locally will be much snappier than if I have to work everything off the cloud. Any suggestions about alternatives would also be welcome.

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• HTTP cache for my virtual machines

  - by MathematicalOrchid

  I have several Linux virtual machines running on my home PC. One of the quirks of Linux is that every time you run a package manager, it wants to "refresh" the configured software repositories - which basically means it wants to download a file from the Internet. If I revert to an earlier snapshot of the VM, then next time I run the package manager it will re-download the exact same data again [since it no longer exists in the VM]. It seems a shame to waste bandwidth endlessly downloading the same data over and over again, so I was wondering if there's some way I can set up some kind of HTTP proxy server that caches downloaded files. I have no idea how you would do such a thing though. In particular, it needs to be set up so that the VMs don't need to "know" that the cache is there; it needs to be transparent. But I don't know how to do that. Any suggestions on what software I'd need to use? It would be nice if I could run it under the Windows host OS, but running a small VM with a Linux guest is also possible...

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• Not getting IP from ISP on Multicast Network

  - by Johan Nielsen

  Im having an odd issue with my ISP (COMX.dk) I have a managed access gateway box (Telsay) with three 8P8C ports for use with Internet and Ip-Tv (respectively on different VLANS (so does my ISP tell me)) To utilize a port you will need to register your device's mac address through an online interface. You will then get your device paired with a static ip. I am using one port actively and I have registered another device (router). The router is configured to listen for an active dhcpd on the network. When my router get a lease I get a private ip 192.168.2.2 (not the one bound to my mac) which is odd! I unconnected my router from the gateway and connected my laptop directly. Same thing happened - I was given a private address. I did a port scan on the gateway and found port 80 to be open and browsed to the ip. I was then presented with a management interface of a Belkin wireless router (HMMM!!!!) <--by the way, not my gear At this point I called the ISP to let them know of my issue/findings - Only to be replied "Well, we cant see any rogue dhcp servers" (thinking to myself, well I can) I then decided that it could be fun to try the other port of my gateway, only to experience the same. So I reconnected my router and used the remaining port to make an observer(wireshark promic etc.) I am able to see my router trying to discover a dhcp server but I can also see my ISP's IGMP and PIMv2 packages just repeating the same pattern. Hello...Hello...Hello :) So I called them again, only to get the same response, "we dont see any rogue dhcp's...we cant see the host you are talking to (mac address of the Belkin router)...you are definitively connected through wireless?!?(no im not, no such thing as a wireless wire - i thought to myself)" My questions is, What is going on? (besides from what im reporting here) What am I seeing that the don't? What can I tell them in order for them to resolve mine/their issue?

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• NTOP gives warnings on startup

  - by FR6

  I just installed ntop 1.4.4 and when I start it, it give me infinite warnings "packet truncated": ... RRD_DEBUG: umask 0066 RRD_DEBUG: DirPerms 0700 THREADMGMT: RRD: Started thread (t2992630672) for data collection THREADMGMT[t2992630672]: RRD: Data collection thread starting [p30923] INIT: Created pid file (/var/run/ntop.pid) THREADMGMT[t3086329552]: ntop RUNSTATE: INITNONROOT(3) Now running as requested user 'nobody' (99:99) Note: Reporting device initally set to 0 [eth0] (merged) THREADMGMT[t3086329552]: ntop RUNSTATE: RUN(4) THREADMGMT[t2982140816]: NPS(1): Started thread for network packet sniffing [eth0] THREADMGMT[t2982140816]: NPS(eth0): pcapDispatch thread starting [p30923] THREADMGMT[t2982140816]: NPS(eth0): pcapDispatch thread running [p30923] THREADMGMT[t3047009168]: SIH: Idle host scan thread running [p30923] THREADMGMT[t3057499024]: SFP: Fingerprint scan thread running [p30923] **WARNING** packet truncated (8814->8232) **WARNING** packet truncated (10274->8232) **WARNING** packet truncated (8814->8232) **WARNING** packet truncated (8814->8232) ... Do I need to configure something? I tried to access the web interface (http://localhost:3000) but it does not work. Note: I'm on CentOS. EDIT: Not sure if it helps but there is my "ifconfig": eth0 Link encap:Ethernet HWaddr 00:16:76:BC:7E:77 inet addr:192.168.0.221 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::216:76ff:febc:7e77/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:15496640 errors:0 dropped:0 overruns:0 frame:0 TX packets:19256813 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:836230629 (797.4 MiB) TX bytes:608496148 (580.3 MiB) Memory:dffe0000-e0000000

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• Remote paging with Nagios when network is down and email won't work -- cellular modems and alternatives

  - by Quinten

  What is the best option for remote paging when network services are down? I'm looking for a solution that can let me know when network services are down during off-hours only, and especially when email/smtp services are out. Therefore, it needs to be redundant to our network and power supply. I'm imagining a cellular modem is one option. What's the price range for these? Is anybody using them and feel that they are worth the cost? I'm imagining that it's something we would end up sending an emergency page ~ 1x/month at most, so I'd like the pricing to reflect that--I don't mind a high per-page cost as long as it has a low recurring cost. Another option would be to expose at least one server to remote ping, and run a check script on a remote server. Are there paid options for this? Currently, we run Nagios on a Linux VM on a Windows 2008 Hyper-V host. It would be great if the solution would work in that environment, but I know it's tricky with external devices, and we could move Nagios to a standalone workstation if needed.

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• Configure php mail() on Windows/IIS

  - by Adam Tuttle

  I have a Windows Server 2003 / IIS web server running various application servers, and ended up begrudgingly adding PHP into the mix. I know Win/IIS isn't the ideal environment for PHP, but it's what I've got and I need to make it work. From phpinfo(): Configuration File (php.ini) Path: C:\WINDOWS Loaded Configuration File: C:\php\php.ini From C:\php\php.ini: [mail function] ; For Win32 only. SMTP = localhost smtp_port = 25 ; For Win32 only. ;sendmail_from = [email protected] ; For Unix only. You may supply arguments as well (default: "sendmail -t -i"). ;sendmail_path = ; Force the addition of the specified parameters to be passed as extra parameters ; to the sendmail binary. These parameters will always replace the value of ; the 5th parameter to mail(), even in safe mode. ;mail.force_extra_parameters = Lastly, I have IIS setup to run an SMTP relay that allows connection and relay, but only from localhost. But when I try something that uses mail(), I get this error: The e-mail could not be sent. Possible reason: your host may have disabled the mail() function... Any ideas?

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• Adventures in Drupal multisite config with mod_rewrite and clean urls

  - by moexu

  The university where I work is planning to offer Drupal hosting to staff/faculty who want a Drupal site. We've set up Drupal multisite with clean urls and it's mostly working except for some weird redirects. If you have two sites where one is a substring of the other then you'll randomly be redirected to the other site. I tracked the problem to how mod_rewrite does path matching, so with a config file like this: RewriteCond %{REQUEST_URI} ^/drupal RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ /drupal/index.php?q=$1 [last,qsappend] RewriteCond %{REQUEST_URI} ^/drupaltest RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ /drupaltest/index.php?q=$1 [last,qsappend] /drupaltest will match the /drupal line and all of the links on the /drupaltest page will be rewritten to point to /drupal. If you put the end of string character ($) at the end of each rewrite condition then it will always match on the correct site and the links will always be rewritten correctly. That breaks down as soon as a user logs in though because the query string is appended to the url so just the base url will no longer match. You can also fix the problem by ordering the sites in the config file so that the smallest substring will always be last. I suggested storing all of the sites in a table and then querying, sorting, and rewriting the config file every time a Drupal site is requested so that we could guarantee the order. The system administrator thought that was kludgy and didn't address the root problem. Disabling clean urls should also fix the problem but the users really want them so I'd prefer to keep them if possible. I think we could also fix it by using an .htaccess file in each site to handle the clean url rewriting but that also seems suboptimal since it will generate a higher load on the server and the server is intended to host the majority of the university's external facing web content. Is there some magic I can do with mod_rewrite to get it to work? Would another solution be better? Am I doing something the wrong way to begin with?

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• PHP cannot connect to MySQL

  - by yogal

  Hello, I recently installed Apache 2 + PHP 5.3.1 + MySQL 5.1.44 on my Windows 7 64bit machine following this guide: http://sleeplessgeek.blogspot.com/2010/01/setting-up-apache-php-mysql-phpmyadmin.html It all went fine, php is working great (even with XDebug) but I cannot connect to mysql server. A simple script I wrote to test connection (yes, root has no pass): $username = "root"; $password = ""; $database = "test"; $hostname = "localhost"; $conn = mysql_connect($hostname, $username, $password) or die("Unable to connect to MySQL Database!!"); It prints this error after 60sec of timeout: Warning: mysql_connect() [function.mysql-connect]: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. I can connect to mysql using cmdmysql -h localhost -u root Services are working properly. There also seems to be a problem with PhpMyAdmin (using 3.2.5). As soon as I type user and pass the page loads and turns blank (content-lenght in headers is 0 but status code is 302 Found). Looks like something wrong with cookies (my auth method). I hope someone has a clue, it has to be something dumb simple I missed. Thanks in advance.

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• Adding custom service to nagiosgraph

  - by ravloony

  I have successfully added nagiosgraph to our nagios installation. I also added a memory checker plugin, from here : http://blog.vergiss-blackjack.de/2010/04/nagios-plugin-to-check-memory-consumption/. However I can't seem to get the graph of this service to be output by nagiosgraph. The plugin returns a single line like this: 31% (3785 of 11903 MB) used so i added a rule like this to the map file: /output:(\d+)% \((\d+) of (\d+) MB\) used/ and push @s, ['Mem', ['Percentage', 'GUAGE', $1], ['Used', 'GUAGE', $2], ['Total', 'GUAGE', $3] ]; I have also read this : http://www.mail-archive.com/[email protected]/msg36835.html and made sure that process_performance_data=1 in the nagios conf file. So far I have no graph for the Mem service on any host, and no rrd file either. I am unsure how to proceed to get this working. The documentation is rather difficult to follow and I haven't managed yet to understand it enough to do this. Can anyone point me to a tutorial, or some documentation which explains the steps needed to get a service noticed and graphed by nagiosgraph?

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• RTNETLINK answers: File exists... maybe because assigned a new mac adress

  - by steven

  I got a "RTNETLINK answers: File exists Failed to bring up eth0:1" on "ifup eth0:1". I suspect it happens because i assigned a new mac adress in my VM's network adapter. Can you tell me how to fix the issue? My configuration looks like this: # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 allow-hotplug eth0 iface eth0 inet static address 192.168.1.80 netmask 255.255.255.0 gateway 192.168.1.1 dns-nameservers 192.168.1.1 # Alias being connected to 192.168.10.x Network auto eth0:1 allow-hotplug eth0:1 iface eth0:1 inet static address 192.168.10.83 netmask 255.255.255.0 gateway 192.168.10.10 dns-nameservers 192.168.10.1 Why do I get "RTNETLINK answer: File exists.." suddenly? I worked with this configuration before without problems. All i did in the past is to renew the adapters mac adress. At the moment I am connected to the 192.168.10.x Network and if I do /etc/init.d/networking stop /etc/init.d/networking start then i got "RTNETLINK [...] falied to bring up eth0:1" but the strage thing is that i am able to connect to 192.168.10.83 via ssh from my host machine. But I cannot reach the internet from the debian client. I hope it is clear what my problem is, now. update if i change my /etc/network/interfaces like this then "ifup eth0" fails, too with the same error! # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 allow-hotplug eth0 iface eth0 inet static address 192.168.10.83 netmask 255.255.255.0 gateway 192.168.10.10 dns-nameservers 192.168.10.1 with verbose option enabled i got: Configuring interfache eth0=eth0 (inet) run-parts --verbose /etc/network/if-pre-up.d ip addr add 192.168.10.83/255.255.255.0 broadcast 192.168.10.255 dev eth0 label eth0 RTNETLINK answers: File exists Failed to bring up eth0. same if i type this manually: ip addr add 192.168.10.83/255.255.255.0 broadcast 192.168.10.255 dev eth0 label eth0

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• Archive Manager, SQL 2005 and MaxTokenSize high CPU

  - by Tim Alexander

  So, I posted this question a few days ago: Impact of increasing the MaxTokenSize for Kerberos Tickets Since then the thought was to test our settings on two member servers, one with IIS and one without. I setup two GPOs to configure the MaxTokenSize reg setting to 48000 and MaxFieldLength/MaxRequestBytes to 64200 (based on MS KB2020943, these are set at 4/3 * T + 200). The member server seemed to work ok (a devalued tape backup server). The IIS server however has had some strange repercussions. The IIS Sserver host Quest Software Archive Manager (AM) 4.5 that communicates with SQL Server 2005 Enterprise on Server 2003 R2. After the changes all looked good until the SQL Server hit 100% CPU. I have removed the GPOS, removed the reg values and even replaced them with defaults (12000 for token size and can't remember the other one but was in a blog post about the issue in my other post). No change. Bouncing the IIS Server stops the high CPU and a colleague has looked at the SQL server and it is definitely the AM connection taking up the time/work on the SQL server. I haven't changed the reg values on the SQL server or the DCs but am reluctant to do so without understanding why this has happened. I am guessing its to do with the overriding auth and group issue we have but I am not seeing Kerberos errors in either event log. Has anyone seen something similar or does anyone have some tips? Was definitely blindsided by the Kerberos issue and am swimming against the tide to keep things functioning.

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• Use a preferred username but authenticate against Kerberos principal

  - by Jason R. Coombs

  What I desire to do should be pretty simple. I have an Ubuntu 10.04 box. It's currently configured to authenticate users against a kerberos realm (EXAMPLE.ORG). There is only one realm in the krb5.conf file and it is the default realm. [libdefaults] default_realm = EXAMPLE.ORG PAM is configured to use the pam_krb5 module, so if a user account is created on the local machine, and that username matches the [email protected] credential, that user may log in by supplying his kerberos password. What I would like to do instead is create a local user account with a different username, but have it always authenticate against the canonical name in the kerberos server. For example, the kerberos principal is [email protected]. I would like to create the local account preferred.name and somehow configure kerberos that when someone attempts to log in as preferred.name, it uses the principal [email protected]. I have tried using the auth_to_local_names in krb5.conf, but this doesn't seem to do the trick. [realms] EXAMPLE.ORG = { auth_to_local_names = { full.name = preferred.name } I have tried adding [email protected] to ~preferred.name/.k5login. In all cases, when I attempt to log in as preferred.name@host and enter the password for full.name, I get Access denied. I even tried using auth_to_local in krb5.conf, but I couldn't get the syntax right. Is it possible to have a (distinct) local username that for all purposes behaves exactly like a matching username does? If so, how is this done?

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• Install VirtualBox on Ubuntu 12.04.1 (on [Samsung] Chromebook)

  - by iphonedev7

  I have dual booted Ubuntu Linux 12.04.1 LTS on my Samsung Series 5 ChromeBook, and am trying to run/install Oracle VirtualBox (from the generic .run file downloaded from their website). However, every time I try to run it (as root from the command line), it gives me the following error occurs: Please install the build and header files for your current Linux kernel. The current kernel version is 3.4.0 Problems were found which would prevent VirtualBox from installing. I have tried the version from the Software Center, as well as the command line installation, both of which gave me errors based on my linux-headers/linux-kernel/linux-[kernel]-image. Here's an error I keep getting (on the command line): First Installation: checking all kernels... It is likely that 3.4.0 belongs to a chroot's host Building only for 3.5.0-18-generic Building initial module for 3.5.0-18-generic ERROR (dkms apport): kernel package linux-headers-3.5.0-18-generic is not supported Error! Bad return status for module build on kernel: 3.5.0-18-generic (x86_64) Consult /var/lib/dkms/virtualbox/4.1.12/build/make.log for more information. Setting up virtualbox-qt (4.1.12-dfsg-2ubuntu0.2) ... Processing triggers for libc-bin ... ldconfig deferred processing now taking place ...And one of the more cryptic errors I get when trying to start any Virtual Machine: Result Code: NS_ERROR_FAILURE (0x80004005) Component: Machine Interface: IMachine {5eaa9319-62fc-4b0a-843c-0cb1940f8a91}

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• Wireless does not work on Ubuntu 9.04

  - by Yongwei Xing

  Hi all I install the Ubuntu 9.04 my old Lenovo Y520 laptop, the wirless does not work.My Wireless card is Intel Pro/wireless 2100 card. But I can not enable it. My wired card is working well. Does anyone meet it before. the ifconfig output is eth0 Link encap:Ethernet HWaddr 00:0a:e4:5f:6c:30 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:973 errors:0 dropped:0 overruns:0 frame:0 TX packets:1025 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:574701 (574.7 KB) TX bytes:169249 (169.2 KB) Interrupt:10 eth1 Link encap:Ethernet HWaddr 00:0c:f1:58:79:b5 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:10 Base address:0x8000 Memory:d0202000-d0202fff lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:8 errors:0 dropped:0 overruns:0 frame:0 TX packets:8 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:480 (480.0 B) TX bytes:480 (480.0 B) the output of iwconfig is eth1 unassociated ESSID:off/any Nickname:"ipw2100" Mode:Managed Channel=0 Access Point: Not-Associated Bit Rate:0 kb/s Tx-Power:off Retry short limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality:0 Signal level:0 Noise level:0 Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 I have another question. When my OS is 9.04, there is a icon about network connection on the panel at the top. After I upgraded to 9.10, that icon disappeared. How can I get that back? Best Regareds,

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• Set up multiple websites on a local web server

  - by mickburkejnr

  I have spent the last few days setting up a CentOS 6 server on my local network so that I can host multiple projects that I'm currently working on. Everything has been set up so that I access the server by typing 192.168.1.10 and the Apache test page comes up. What I'm aiming to do is to access different projects by typing in 192.168.1.10/project, and then view the project as if it was on it's own standalone server. I have thought about just sticking these sites inside folders on the server then accessing them that way, but a lot of my projects use CakePHP so this isn't feasible. So what I need to do is create VirtualHosts in Apache to allow me to do this, but without using a domain name. I want to stick to using the IP address of the machine (which is static). Any ideas? EDIT I've followed Peter's suggestion, but now I have a new problem. In the httpd.conf file I have entered the following information: NameVirtualHost *:80 <VirtualHost *:80> ServerAdmin [email protected] DocumentRoot /www/html/project1 ServerName local.project1.com ErrorLog logs/local.project1.com-error_log CustomLog logs/local.project1.com-access_log common </VirtualHost> And now Apache is saying: Starting httpd: Warning: DocumentRoot [/www/html/project1] does not exist When it clearly does exist. I've disabled SELinux and I can confirm this isn't turned on. I've also checked the ownership of the folder, and its owned by root. I can also save files to these folders using a guest FTP account (which isn't associated to root), so the folders are being listed and can be written to. But when I try the folder in a web browser it doesn't seem to work either. I've also done a reboot of the server and the problem persists. What should I change in order to resolve this?

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