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• squid will not listen on specific IP

  - by Chris

  I have a public subnet with squid installed. Let's say my subnet is from 1.2.3.2 to 1.2.4.254. When I set the following: http_port 50000 http_port 1.2.3.2:50000 it is working. But when I set: http_port 1.2.4.37:50000 it is not working. It is only working with my first public IP from my subnet. The error I get when it is not working is the following: commBind: Cannot bind socket FD 10 to 1.2.4.37:50000: (99) Cannot assign requested address What is wrong with my configuration? @Zoredache I have a dedicated server and the whole subnet is defined as IP Range. When I use only the port or the first IP and doing netstat -ntlp | grep 46555 I get the following: tcp 0 0 0.0.0.0:50000 0.0.0.0:* LISTEN 25532/(squid ) When I use my specific IP, then the netstat query will show nothing, as the server does not start. I don't want squid to listen on all or the first IP, it is just a specific one it should listen to.

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• Laptop will not boot

  - by WillumMaguire

  This is a dell studio 1558 laptop. Now, something is wrong with the charger that it won't charge the laptop, but the laptop can turn on and operate properly as long as it is attached. It has been like this for a while, but it's not the problem. My problem is that as of yesterday, It takes several minutes to get past the "dell" startup logo (where is says "f2 setup" and "f12 boot options"). After it gets past, it beeps as normal to tell me about the charger and gives me the f2/f12 options and f1 to continue as normal. I can press f12 to get into boot options and load into my live USB BackTrack 5 ISO, but after "startx" it just stays at a black screen. I can also access BIOS setup, but see nothing that would help the problem. When I boot to the HDD, it gives me this Intel UNDI, PXE-2.1 (build 083) Realktek PCIe GBE Family Controller Series V.2.29 (06/30/09) PXE-E61: Media test failure, check cable PXE-M0F: Exiting PXE ROM Operating System not found Also, pressing f8 gives me the same results as booting as normal. It is running Windows 7 Ultimate, dual-core Intel i3 @ 2.27ghz and 4gb RAM. I think there is an issue with the HDD, as the "Operating System not found" would lead me to believe. Is this a fixable problem?

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• Explorer.EXE ordinal 423 not found in urlmon.dll after updates/IE8 install

  - by Zoot

  Setting up a brand new Dell Optiplex 980 with Windows XP SP3, and everything started up fine on the first boot. My first task was to install system updates, including IE8 and WGA. After the required reboot after installing updates, I now get this error message: Explorer.EXE Ordinal not found. The ordinal 423 could not be located in the dynamic link library urlmon.dll Per my cursory Google search, this forum thread places the blame squarely on IE8. The solution provided is to enter safe mode and remove IE8. Unfortunately, when I press F8 to choose to boot safe mode, I only have the option of "Windows XP SP3 Professional" and no safe mode options. Any other ideas? Thanks in advance. FYI, I can get to the Windows Task Manager by holding down Control-Alt-Delete, but programs don't seem to run properly if you select them. I tried chatting with Dell Support, and we tried to initiate the system restore at c:\windows\system32\restore\rstrui.exe, but that had a similar "ordinal 423 not found in urlmon.dll" error.

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• Router failover not detecting outside interface link lost

  - by Matt

  Suppose I have two routers configured in master/slave configuration. They look something like this (addresses are not real ones) 123.123.123.10 <===> [eth0] Router 1 (10.1.1.2) [eth1] ===> +----------+ | 10.1.1.1 | ===> LAN 172.123.123.10 <===> [eth0] Router 2 (10.1.1.3) [eth1] ===> +----------+ The 10.1.1.1 is the default route for the Network (10.1.1.0). What's slightly different in this config to other's I've seen is that I don't have an external virtual IP. Also, the 10.1.1.1 addresses are in real life, public IP's (not private ones shown here). This is more of a router setup than a firewall setup so I'm not using NAT here. Now the issue that I'm having is that I can't see any way to configure UCARP or VRRP to monitor both eth0 & eth1 and fail over to the backup router should either of them go down. What I'm seeing is that if Router1 is the master and I unplug eth0 on router1, it doesn't fail over to router 2. However, it will if instead I unplug eth1 of router 1. In VRRP I see there is a cluster group, but it seems that for this to work you need to have virtual ip's or vrrp instances rather than actual interfaces assigned to it. I hope my explanation is clear. How do I get around this?

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• Name resolution not working with ipv6 on centos

  - by jolivier

  I just installed CentOs 6.3 on a server to be installed in a data center, but cannot get name resolution / curl to work. I know this is because of it trying to use ipv6, since ping google.com works, curl -4 google.com works, but not curl google.com. I removed the ipv6 adress from the interface and it does not change anything. This is very problematic since most system tools like yum fail at name resolution currently. Browsers like Firefox work because they might be using another tool for name resolution than the one use by curl. I managed to fix this on workstations by completely disabling ipv6 following tutorials like this one / hardcoding name resolution in /etc/hosts. But since I am here configuring a server which will be later installed in a remote data center, I would like not to mess up, understand what is going on and fix it properly. Besides, I will face the same issue with more servers to come so I would really appreciate your help in understanding this problem and how to solve it. I would be happy to provide more information if needed to help understand what is going on. The current network configuration is a small enterprise network, with a DNS server (let's call it A) configured once a long time ago. dig google.com and dig -4 google.com are both refused by the A DNS. But this is also true for my workstation on which curl is working (and yes they both use the same A DNS server). Indeed this faulty server and my workstation have multiple nameservers in /etc/resolv.conf, and the second one is working fine for both of them, so if I remove A from my resolv.conf everything works fine! Regards, Olivier

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• Outlook Shared Address book and contact not displaying

  - by user224061

  We have a shared Exchange addressbook with distribution email groups. When someone connects to the shared addressbook, composes an email to a group, the email distribution list is empty, then the distribution list is expanded. In troubleshooting, I noticed that when we expand the distribution list to view the recipients, most of the recipients are missing and only semicolons appear. CLICK HERE FOR IMAGE Further troubleshooting, I notice that when I open the distribution list with my Outlook client and click on the Update Now icon, and then go to create the email then when I expand the group the email addresses now appear. CLICK HERE FOR IMAGE Now, my Outlook profile is a cached profile. The shared contact list that I pulled the distribution list from is an online/non-cached shared contact list. What I also found is that if I switched my Outlook client to be online only(not cached) the share address book lists appear properly when expanded. Is there any way to make this list appear correctly without having to click on update now for each and every distribution list in the shared contacts list we have on the server? I would really prefer that every time one wants to use this shared contact list, they do not have o click the update not button or switch from cached mode to make this work. T.I.A

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• windows 8.1 does not boot after CHKDSK command

  - by sepehr

  I had problem with Windows 8.1 high Disk usage so in order to solve , searched forums. A voted answer suggested to use CHKDSK command as follow: run command prompt and as administrator type code snippet below: CHKDSK /f /v /b C: (I can not remember accurately) CHKDSK printed : can not run CHKDSK right now , would you like to schedule C drive to be checked next time windows starts? (Y/N) my response was "Y" ,please ! Following this suggestion not only didn't solve my problem as expected but also added another one ! The next time system booted, after windows authentication I just could see a black screen and mouse pointer. So I force shut downed the system and tried to start windows again. This time , windows got stuck in Scanning and Repairing on 22% for around 3 hours so I got tired and forced shut downed again. is CHKDSK source of Scanning and Repairing problem or they are discrete ? is there any hope to overcome this problem without re-installing windows ? can any one else run CHKDSK on newer versions of windows without problem? is CHKDSK effective but inefficient ?(it finally get to end but will take a long time) If yes, how much time does it take? I also have Linux Ubuntu 14.04 installed along side windows.

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• Google chrome not accepting any security certificates

  - by Jerry

  I've recently developed a problem with Google Chrome that's really annoying. I'm using Firefox at the moment with no problems whatsoever and it's the same with IE, so it's safe to say this problem is specific to Chrome. The problem is that it's not accepting security certificates from certain sites. I suppose the best place to start would be google itself. I can't search. The google search page will load but when I type some search term into the search box and hit 'search' I get the message: "You attempted to reach www.google.com, but the server presented an invalid certificate. You cannot proceed because the website operator has requested heightened security for this domain." No matter what the search term is, this is the result. Also when I try to log in to facebook - same message. Youtube works and many other sites that I know present security certs so I'm baffled. I've searched and there are other people who have had similar issues but I can't find a solution anywhere. The most common answer I'm picking up for this is to "check your system time" but I can safely say that it's not my system time. If anyone knows what is going on, I'd very much appreciate being informed. It's not super urgent as I can use Firefox to access those places Chrome won't, but it IS super annoying because I can usually sort out issues like this in no time.

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• SPDIF passthrough not working in Windows 7

  - by adriangrigore

  Hi, I'm running Windows 7 on a computer with an Audigy Platinum eX sound card connected to a surround receiver via optical cabling. Sound works fine when listening to non-surround audio sources, such as windows sounds or MP3. However, when I view a DVD in Media Center and the SPDIF passthrough kicks in, I can only hear an awful noise instead of the movie soundtrack. Also, the receiver does not show the Dolby Digital or DTS symbol, but stays at Dolby Prologic, so it seems it doesn't identify the sound encoding properly. I could switch off SPDIF passthrough and use the sound card's decoder instead, but that's not an option for me since it would create more problems with regular MP3 playback via additional Stereo Receiver which is also connected to the same sound card. I've tried both the default Audigy drivers that come with Windows 7 and the latest drivers from the Soundblaster website, but the problem remains unchanged. Also, I have ensured that the receiver's Dolby Digital decoder is not broken by successfully connecting it to my PS3 to view a Dolby Digital DVD. Besides, SPDIF passthrough was working fine in Vista before I upgraded to Windows 7. Is there anything else I could try?

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• Folder Redirection/Offline Files on Win 7 | Folders are empty when not connected to the domain

  - by Matt

  I've been struggling with this issue for days and cannot seem to find anyone else with a similar issue. I will note first that I have tried using both roaming profiles and the group policy setting for force local profiles.... now onto the problem. What I am trying to do is have my teachers accounts log onto their laptops using their domain credentials. Once logged in their desktop and documents are redirected to a network share //server/redirects/documents/. This works fine when the computer is connected to the domain network. Offline File Sync works great and caches the files locally. However this all breaks down when the user logs in when the computer is no longer connected to the domain network. When the user logs in the desktop and documents are empty. What I find very odd is if I manually go to the offline file folder all of the files are there, The group policy folder redirection does not execute to the offline folder. Is this by Design? (It does not work like this on Vista, I have the exact same group policy settings set on vista machines and it works flawlessly). Additional Info When I look at the event log there is no folder redirection events at all when user logs in and is not connected to the network. In addition a new profile is create in c:/users/username.domain.00x. Every log in creates an additional profile. There is a event that states that a registry files were still in use. Any help would be appreciated.

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• Symbolic links not working in MySQL

  - by Eno

  I'm having an issue, I searched a lot but I'm not sure if it's related to a previous security patch. On the last version of MySQL on Debian Lenny ( 5.0.51a-24 ) I need to share one table between two db, those two db are in the same path ( /var/lib/mysql/db1 & db2 ). I created symbolic links for db2 pointing to the table in db1. When I query the same table from db2 I get this : 'ERROR 1030 (HY000): Got error 140 from storage engine' This is how it looks : test-lan:/var/lib/mysql/test3# ls -alh drwx------ 2 mysql mysql 4.0K 2010-08-30 13:28 . drwxr-xr-x 6 mysql mysql 4.0K 2010-08-30 13:29 .. lrwxrwxrwx 1 mysql mysql 28 2010-08-30 13:28 blbl.frm -> /var/lib/mysql/test/blbl.frm lrwxrwxrwx 1 mysql mysql 28 2010-08-30 13:28 blbl.MYD -> /var/lib/mysql/test/blbl.MYD lrwxrwxrwx 1 mysql mysql 28 2010-08-30 13:28 blbl.MYI -> /var/lib/mysql/test/blbl.MYI -rw-rw---- 1 mysql mysql 65 2010-08-30 13:24 db.opt I really need those symlinks, is there a way to make them working like before ? ( old MySQL-server is fine ) Thanks,

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• Exchange Online SMTP Not Working With Any Email Client

  - by emre nevayeshirazi

  I am trying to switch our company mail server to exchange online. I have successfully added my domain and users and can send and receive mails through Outlook Web App. I can also send and receive if I configure my Outlook 2013 client using Exchange protocol. However, some folks in company are using Thunderbird and some old Outlook Clients. For those, I tried to connect to Exchange via IMAP/SMTP. This is what I use, For incoming, IMAP / Port : 993 with SSL / Host : outlook.office365.com For outgoing, SMTP / Port : 589 with TSL / Host : smtp.office365.com I can receive emails, however I could not be able to send emails. I keep getting An error occurred while sending mail. The mail server responded: 4.3.2 Service not active. Please verify that your email address is correct in your Mail preferences and try again. My username and password are correct, I am using my mail address as my username to mailbox. I also tried sending mail via C# application which was working for outlook.com and gmail.com SMTP settings. It also fails to send emails and returns the same error code. I thought TB and other old clients such as Office 2003 might not support Exc. Online so I tried same settings in Office 2013. It successfully connected my mailbox when checking for configuration but failed in sending test message and returned the same error code. Configuration for incoming and outgoing mailbox are taken from here. They are also available on Office 365 user page and they are same. What could be the reason for error ?

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• Basic Apache setup is not seeing my site

  - by Jakobud

  Sorry that is a horrible thread subject, but I cannot think of a better more descriptive subject. We are running a Fedora 11 server that is currently hosting some CRM on it. I want to use a VirtualHost directive to add another site to the server. So I created this conf: /etc/httpd/conf.d/mysite.ourdomain.com.conf And here is the content: <VirtualHost *:80> ServerName mysite.ourdomain.com DocumentRoot /www/mysite ServerAdmin [email protected] ErrorLog /var/log/mysite.ourdomain.com-error.log CustomLog /var/log/mysite.ourdomain.com-access.log common </VirtualHost> I restarted apache, getting the following warning: [warn] NameVirtualHost *:80 has no VirtualHosts From what I read, this warning is not related and I can ignore it and my site should still be up and running, correct? (I'll troubleshoot this error later if so) Well I have our DNS server setup to point mysite.ourdomain.com to goto this server. I can ping it and it points to the correct LAN IP, etc.. Now when I try to access it in the browswer I get nothing. It just says Connecting... and never gets there. If I try mysite.ourdomain.com or the IP address, neither one doesn't get there. It's a very simple and basic apache setup so I'm not sure what I'm doing wrong... Like I said, the other thing that is running on this server is a crm and it's .conf looks something like this: Listen x.x.x.x:443 <VirtualHost x.x.x.x:443> ServerAdmin [email protected] ServerName crm.ourdomain.com ErrorLog /var/log/httpd/ourdomain/crm-error.log CustomLog /var/log/httpd/ourdomain/crm-access.log common DocumentRoot /www/ourdomain/crm <IfModule mod_dir.c> DirectoryIndex /index.php </IfModule> </VirtualHost> There is also some LDAP authentication stuff in that config but I left it out cause I assumed it wasn't necessary to post. Anyone have any clue where I should start or what settings I can post from httpd.conf that would help?

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• Apache /server-status/ gives a 404 not found

  - by kapshure

  I am trying to solve a problem where Apache stats aren't displaying correctly in Munin. I've ran through quite a bit of checks and tests regarding Munin setup, but I think my issue is related to Apache, but my skill set there is lacking. first, system info: monitored server CentOS 5.3 kernel 2.6.18-128.1.1.el5 Apache/2.2.3 "server-status" directive in httpd.conf (i've cross-compared this with another system that i did a successful parallel install of Munin on, correctly showing Apache stats, and the directive below is the same for both) ExtendedStatus On <Location /server-status> SetHandler server-status Order deny,allow Deny from all Allow from 127.0.0.1 </Location> ran lynx http://localhost/server-status got HTTP/1.1 404 taking a look at Apache access_log: 127.0.0.1 - - [13/Oct/2010:07:00:47 -0700] "GET /server-status HTTP/1.0" 404 11237 "-" "Lynx/2.8.5rel.1 libwww-FM/2.14 SSL-MM/1.4.1 OpenSSL/0.9.8e-fips-rhel5" mod_status is also loaded: % grep "mod_status" /etc/httpd/conf/httpd.conf LoadModule status_module modules/mod_status.so iptables is turned off also i did notice that the ownership status on httpd.conf on this system is root.root.. whereas the system that is displaying correctly is apache.www -- not certain that this matters?? its got to be permission issue, but i'm not certain where the permissions are messed up. any thoughts on why the test of server-status is giving me a 404?

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• Assets not served - Apache Reverse proxy - Diaspora

  - by Matt

  I have succeeded in installing Diaspora* on my subdomain diaspora.mattaydin.com. I have VPS running CentOS 5.7 with Plesk installed. By means of an vhost.conf and vhost_ssl.conf file I, (with the help of another gentleman) have managed to reverse proxy the app. vhost.conf: ServerName diaspora.mattaydin.com ServerAlias *.diaspora.mattaydin.com <Directory /home/diaspora/diaspora/public> Options -Includes -ExecCGI </Directory> DocumentRoot /home/diaspora/diaspora/public RedirectPermanent / https://diaspora.mattaydin.com vhost_ssl.conf ServerName diaspora.mattaydin.com DocumentRoot /home/diaspora/diaspora/public RewriteEngine On RewriteCond %{DOCUMENT_ROOT}/%{REQUEST_FILENAME} !-f RewriteRule ^/(.*)$ balancer://upstream%{REQUEST_URI} [P,QSA,L] <Proxy balancer://upstream> BalancerMember http://127.0.0.1:3000/ </Proxy> ProxyRequests Off ProxyVia On ProxyPreserveHost On RequestHeader set X_FORWARDED_PROTO https <Proxy *> Order allow,deny Allow from all </Proxy> <Directory /home/diaspora/diaspora/public> Options -Includes -ExecCGI Allow from all AllowOverride all Options +Indexes </Directory> DocumentRoot /home/diaspora/diaspora/public Basically it's working. However, the only thing that's not working are the assets. The do not get loaded not the server, as seen on diaspora.mattaydin.com The error messages I get in the access_ssl.log are a lot of: 11/Dec/2012:19:04:05 +0100] "GET /robots.txt HTTP/1.1" 404 2811 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_2) AppleWebKit/536.26.17 (KHTML, like Gecko) Version/6.0.2 Safari/536.26.17" The error messages I get from diaspora's log file is: Started GET "//assets/branding/logo_large.png" for 77.250.99.193 at 2012-12-11 20:13:11 +0100 ActionController::RoutingError (No route matches [GET] "/assets/branding/logo_large.png"): lib/rack/chrome_frame.rb:39:in call' lib/unicorn_killer.rb:35:incall' Hope you guys can help me out. If you need anything else please let me know Thanks in advance, Matt

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• Git push over http (using git-http-backend) and Apache is not working

  - by Ole_Brun

  I have desperately been trying to get push for git working through the "smart-http" mode using git-http-backend. However after many hours of testing and troubleshooting, I am still left with error: Cannot access URL http://localhost/git/hello.git/, return code 22 fatal: git-http-push failed` I am using latest versions of Ubuntu (12.04), Apache2 (2.2.22) and Git (1.7.9.5) and have followed different tutorials found on the Internet, like this one http://www.parallelsymmetry.com/howto/git.jsp. My VHost file currently looks like this: <VirtualHost *:80> SetEnv GIT_PROJECT_ROOT /var/www/git SetEnv GIT_HTTP_EXPORT_ALL SetEnv REMOTE_USER=$REDIRECT_REMOTE_USER DocumentRoot /var/www/git ScriptAliasMatch \ "(?x)^/(.*?)\.git/(HEAD | \ info/refs | \ objects/info/[^/]+ | \ git-(upload|receive)-pack)$" \ /usr/lib/git-core/git-http-backend/$1/$2 <Directory /var/www/git> Options +ExecCGI +SymLinksIfOwnerMatch -MultiViews AllowOverride None Order allow,deny allow from all </Directory> </VirtualHost> I have changed the ownership of the /var/www/git folder to root.www-data and for my test repositories I have enabled anonymous push by doing git config http.receivepack true. I have also tried with authenticated users but with the same outcome. The repositories were created using: sudo git init --bare --shared [repo-name] While looking at the apache2 access.log, it appears to me that WebDAV is trying to be used, and that git-http-backend is never fired: 127.0.0.1 - - [20/May/2012:23:04:53 +0200] "GET /git/hello.git/info/refs?service=git-receive-pack HTTP/1.1" 200 207 "-" "git/1.7.9.5" 127.0.0.1 - - [20/May/2012:23:04:53 +0200] "GET /git/hello.git/HEAD HTTP/1.1" 200 232 "-" "git/1.7.9.5" 127.0.0.1 - - [20/May/2012:23:04:53 +0200] "PROPFIND /git/hello.git/ HTTP/1.1" 405 563 "-" "git/1.7.9.5" What am I doing wrong? Is it an issue with the version of git and/or apache that I am using perhaps? BTW: I have read all the git http related questions on ServerFault and StackOverflow, and none of them provided me with a solution, so please don't mark this as duplicate.

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• sysctl.conf not running on boot

  - by Brian

  At what point is sysctl.conf supposed to be read during boot, and why might it not be running? I have the following settings which are not being applied when I reboot: net.bridge.bridge-nf-call-arptables = 0 net.bridge.bridge-nf-call-ip6tables = 0 net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-filter-pppoe-tagged = 0 net.bridge.bridge-nf-filter-vlan-tagged = 0 fs.nfs.nlm_udpport = 32768 fs.nfs.nlm_tcpport = 32768 The first section is needed for KVM bridging, and the second is to run the NFS lock manager on a known port. However, after booting, these values have not taken effect. If I run sysctl -p, then they do. This wouldn't be a huge issue, except that I can't figure out how to restart the lock manager without rebooting. I would really like to know why sysctl.conf isn't working at boot, but I'd settle for just being able to restart the lock manager. This is on Ubuntu server 10.04.2, kernel 2.6.32-31-server. I know some daemons check the permissions on their config files and refuse to work if they're too permissive, but sysctl.conf is 644 root:root, which I'm pretty sure is the default.

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• Rsyslogd not listening on port

  - by amorfis

  I installed rsyslogd on ubuntu server, started it and everything looks fine, but the port the server should listen on is not opened. ubuntu@node7:~$ sudo service rsyslog restart rsyslog stop/waiting rsyslog start/running, process 14114 Netstat shows it is not listening: ubuntu@node7:~$ netstat -tlan Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN tcp 0 320 172.22.0.17:22 10.8.8.38:61335 ESTABLISHED tcp6 0 0 :::22 :::* LISTEN tcp6 0 0 :::2776 :::* LISTEN tcp6 0 0 :::2777 :::* LISTEN tcp6 0 0 172.22.0.17:2777 172.22.0.11:56554 ESTABLISHED tcp6 0 0 172.22.0.17:2776 172.22.0.11:39780 ESTABLISHED This is how /etc/rsyslog.conf looks like (most comments omitted): ubuntu@node7:~$ cat /etc/rsyslog.conf ################# #### MODULES #### ################# $ModLoad imuxsock # provides support for local system logging $ModLoad imklog # provides kernel logging support (previously done by rklogd) $ModLoad imtcp $InputTCPServerRun 514 ########################### #### GLOBAL DIRECTIVES #### ########################### $ActionFileDefaultTemplate RSYSLOG_TraditionalFileFormat $RepeatedMsgReduction on $WorkDirectory /var/spool/rsyslog $FileOwner syslog $FileGroup adm $FileCreateMode 0640 $DirCreateMode 0755 $Umask 0022 $PrivDropToUser syslog $PrivDropToGroup adm $IncludeConfig /etc/rsyslog.d/*.conf In /etc/rsyslog.d/35-server-per-host.conf I have following lines, and I suspect this can be the cause. What does it mean? # Stop processing of all non-local messages. You can process remote messages # on levels less than 35. :fromhost-ip,!isequal,"127.0.0.1" ~ and if it is, how could I change it to have server listening and receiving and logging messages? UPDATE: I commented out suspected line, but still it's not listening on port 514

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• Haproxy not properly passing on X-Forwarded-For header

  - by JesseP

  I have backend web servers that receive requests by way of haproxy-nginx-fastcgi. The web app used to see multiple ip's coming through in the X-Forwarded-For header, chained together with commas (most original IP on the left). At some point in the recent past (just noticed, so not sure what caused it) something changed, and now I'm only seeing a single IP passed in the header to my web application. I've tried with haproxy 1.4.21 and 1.4.22 (recent upgrade) with the same behavior. Haproxy has the forwardfor header set: option forwardfor Nginx fastcgi_params config defines this header to be passed to the app: fastcgi_param HTTP_X_FORWARDED_FOR $http_x_forwarded_for; Anyone have any ideas on what might be going wrong here? EDIT: I just started logging the $http_x_forwarded_for variable in nginx logs, and nginx is only ever seeing a single IP, which shouldn't ever be the case, as we should always see our haproxy ip added in there, right? So, issue must either be in nginx handling of the variable coming in, or haproxy not building it properly. I'll keep digging... EDIT #2: I enabled request and response header logging in HAProxy, and it is not spitting anything out for X-Forwarded-For, which seems very odd: Oct 10 10:49:01 newark-lb1 haproxy[19989]: 66.87.95.74:47497 [10/Oct/2012:10:49:01.467] http service/newark2 0/0/0/16/40 301 574 - - ---- 4/4/3/0/0 0/0 {} {} "GET /2zi HTTP/1.1" O Here are the options i set for this in my frontend: mode http option httplog capture request header X-Forwarded-For len 25 capture response header X-Forwarded-For len 25 option httpclose option forwardfor EDIT #3: It really seems like haproxy is munging the header and just passing on a single one to the backend. This is fairly impacting to our production service, so if anyone has an ideas it would be greatly appreciated. I'm stumped... :(

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• Rsync: Only preserve meta (time, group, etc) on files and sub-directories, not root directory

  - by Svish

  I am copying some files (all except hidden ones) using rsync from one place to another using this command: rsync -Cav --delete --exclude=.* /Some/Directory/ other-host:/Other/Directory It works nice except that I get the following errors: rsync: chgrp "/Other/Directory/." failed: Operation not permitted (1) rsync: failed to set times on "/Other/Directory/.": Permission denied (13) That is understandable because I do in fact not have those permissions, and I also do not want to change the group of that directory. I only want to do this for all the files and directories that are in that directory. Is there any way to solve this? Tried to --exclude=. and --exclude=./, but those didn't work. Any ideas? I have no idea how to fix this... More details: This is on Mac OS X, and the directories I am syncing is from a local mounted volume to the /Users/Shared/ directory on the other host. That directory has user root and group wheel. The files inside it has user admin and group staff and so does the local source directory.

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• MySQL not releasing temp file descriptors

  - by Wakaru44

  Since a few days ago, we’ve been experiencing some serious problems with our MySQL installation: MySQL keeps opening temporal files (normal behaviour) but these files are never released. The consequence is that, eventually, the disk space is exhausted and we have to restart the service and clean up /tmp manually. Using lsof, we see something like this: mysqld 16866 mysql 5u REG 8,3 0 692 /tmp/ibyWJylQ (deleted) mysqld 16866 mysql 6u REG 8,3 0 707 /tmp/ibf5adsT (deleted) mysqld 16866 mysql 7u REG 8,3 0 728 /tmp/ibGjPRyW (deleted) mysqld 16866 mysql 8u REG 8,3 0 5678 /tmp/ibMQDLMZ (deleted) mysqld 16866 mysql 13u REG 8,3 0 5679 /tmp/ibQAnM42 (deleted) Maybe it's not related, but when we shutdown the server, the files are finally freed, and we can see the following warnings in the MySQL log: 121029 7:44:27 [Warning] /usr/local/mysql/bin/mysqld: Forcing close of thread 1333 user: 'xxx' 121029 7:44:27 [Warning] /usr/local/mysql/bin/mysqld: Forcing close of thread 1156 user: 'yyy' 121029 7:44:27 [Warning] /usr/local/mysql/bin/mysqld: Forcing close of thread 1151 user: 'zzz' where 'xxx', 'yyy' and 'zzz' are distinct mysql users (and the only 3 users with active connections to the database). We have a few theories: There is a problem in the OS, that keeps file handlers open. Could it be possible that the OS "delete" operation blocks the threads until shutdown? This may explain the warning at shutdown and the fact that files are finally deleted when the process dies. Until now, data sets were so small that temp files were relatively small and there was enough time to release the file handles without exhausting disk space. We are using Mysql 5.5 on a RHEL 6.2 with the default kernel.

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• DL380 G7: Not able to access ILO on DL380 via ssh from a client

  - by user117140

  I have problem where I can't access my ILO(ssh to ILO IP) thru client which is in different network.I am able to ping ILO IP thru this clinet but ssh access is not possible. Is it possible to have ssh to ILO IP from a client which is in different network? FYI, from the same client I can do ssh to server application IP but ssh to this server ILO IP is not possible. Kindly help? Some more info added: ILO IP address is 10.247.172.70 and its VLAN is different than Client VLAN. Client IP address is 10.247.167.80. ping to ILO IP from this client is possible but not ssh. I can do ssh to ILO IP if I try to do it from the server(hostname:node1) having ILO port or from the other node of this cluster itself,So ssh login is enabled. [root@node1 ~]$ssh -v 10.247.173.70 OpenSSH_4.3p2, OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug1: Connecting to 10.247.173.70 [10.247.173.70] port 22. [root@node1 ~]$ping 10.247.173.70 PING 10.247.173.70 (10.247.173.70) 56(84) bytes of data. 64 bytes from 10.247.173.70: icmp_seq=1 ttl=254 time=0.283 ms 64 bytes from 10.247.173.70: icmp_seq=2 ttl=254 time=0.344 ms 64 bytes from 10.247.173.70: icmp_seq=3 ttl=254 time=0.324 ms 64 bytes from 10.247.173.70: icmp_seq=4 ttl=254 time=0.367 ms

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• NTBackup Error: C: is not a valid drive

  - by Chris

  I'm trying to use NtBackup to back up the C: Drive on a Microsoft Windows Small Business Server 2003 machine and get the following error in the log file: Backup Status Operation: Backup Active backup destination: 4mm DDS Media name: "Media created 04/02/2011 at 21:56" Error: The device reported an error on a request to read data from media. Error reported: Invalid command. There may be a hardware or media problem. Please check the system event log for relevant failures. Error: C: is not a valid drive, or you do not have access. The operation did not successfully complete. I'm using a brand new SATA Quantum Dat-72 drive with a brand new tape (tried a couple of tapes). I carry out the following: Open NTBackup Select Backup Tab Tick the box next to C: Ensure Destination is 4mm DDS Media is set to New Press Start Backup Choose Replace the data on the media and press Start Backup NTBackup tries to mount the media Error Message shows: The device reported an error on a request to read data from media. Error reported: INvalid command. There may be a hardware or media problem. Please check the system event log for relevant failures. On checking the log I find the following: Event Type: Information Event Source: NTBackup Event Category: None Event ID: 8018 Date: 04/02/2011 Time: 22:02:02 User: N/A Computer: SERVER Description: Begin Operation For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. and then; Event Type: Information Event Source: NTBackup Event Category: None Event ID: 8019 Date: 04/02/2011 Time: 22:02:59 User: N/A Computer: SERVER Description: End Operation: The operation was successfully completed. Consult the backup report for more details. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

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• Apache2 VirtualHost on Debian not working

  - by milo5b

  I am having some problems with Apache2 configuration. I have already tried to look for documentation on the web (Apache's site, Debian's site, here on serverfault, etc), but nothing really helps. I have tried different configurations, but my current configuration is the following (/etc/apache2/sites-available/default): <VirtualHost *:80> ServerAdmin [email protected] ServerName mysite.dev ServerAlias mysite.dev DocumentRoot /var/www/mysite.dev/httpdocs/ ErrorLog ${APACHE_LOG_DIR}/error.log LogLevel warn CustomLog ${APACHE_LOG_DIR}/access.log combined </VirtualHost> <VirtualHost *:80> ServerAdmin [email protected] ServerName livesite.com ServerAlias www.livesite.com DocumentRoot /var/www/livesite.com/httpdocs/ <Directory /var/www/livesite.com/httpdocs/> Options Indexes FollowSymLinks MultiViews AllowOverride All Order allow,deny allow from all </Directory> ErrorLog ${APACHE_LOG_DIR}/error.log LogLevel warn CustomLog ${APACHE_LOG_DIR}/access.log combined </VirtualHost> mysite.dev it's just an entry in hosts file on my client machine, while livesite.com it's an actual DNS record which would resolve to the same IP as the IP set in hosts file for mysite.dev. The problem is that when i try to type mysite.dev in my browser, it would automatically go to livesite.com. I tried to have different /etc/apache2/sites-enabled/ files (/etc/apache2/sites-enabled/mysite.dev , /etc/apache2/sites-enabled/livesite.com ) - and of course with the actual sites-available related files, but achieving the same results. I have tried to have a peak on error.log and access.log but there's nothing I can see. My httpd.conf contains: AccessFileName .htaccess And I have no /etc/apache2/conf.d/virtual.conf file. Any help would be greatly appreciated - if I did not provide enough info please let me know I will do my best to provide all necessary info. Thanks

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• Connecting a network printer via a Thecus N2100 - works in Vista, not in Windows 7

  - by Jon Skeet

  I have a Lexmark E250d printer attached to a Thecus N2100 NAS. On Windows Vista I've managed to configure this using an "Internet" printer port with the URL of http://thecus:631/printers/usb-printer. I can add a printer in a similar way in Windows 7, but it never manages to print the test page. If I go to "Configure Port" in Vista, it just has "Security Options" - on Windows 7 it's asking about Raw mode vs LPR mode etc. On Vista I'm using an E250d-specific driver from Lexmark; on Windows 7 there's a Microsoft E250d driver, or a Universal PCL XL driver from Lexmark... I wouldn't expect this different to be related to the problem, but I thought I'd mention it anyway. (Lexmark doesn't have a Windows 7 E250d-specific driver as far as I can see.) Any suggestions? I was thinking of upgrading my main laptop from Vista to Windows 7, but I'd really like to get this sorted first... EDIT: If I connect to http://thecus:631/printers/usb-printer via Chrome while capturing with Wireshark, I get this response: HTTP/1.1 200 OK Date: Wed, 06 Jan 2010 16:47:23 GMT Connection: Keep-Alive Keep-Alive: timeout=60 Content-Language: C Transfer-Encoding: chunked Content-Type: text/html;charset=iso-8859-1 0 No idea what that's meant to be doing... EDIT: On further consultation, this would appear to be the Internet Printing Protocol which is layered on HTTP. Printing a test page successfully from Vista posts to that URL. Will attempt the same on Windows 7...

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