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  • Mail server: can't connect via POP/IMAP

    - by MelkerOVan
    I've followed this guide on setting up a mail server on my dedicated server. I've been able to send mails from the php application I'm using and the linux commandline (using telnet, php, etc). The problem is that I cannot connect to the server via IMAP/POP which I've setup using Courier. I've tried using thunderbird but it complains that the username or password is wrong. I doubt it is the username/password but I don't know how to trouble shoot this. Edit: Here's the messages in mail.log: Jan 9 22:43:38 mail authdaemond: received auth request, service=imap, authtype=login Jan 9 22:43:38 mail authdaemond: authmysql: trying this module Jan 9 22:43:38 mail authdaemond: SQL query: SELECT id, crypt, "", uid, gid, home, "", "", name, "" FROM users WHERE id = '[email protected]' AND (enabled=1) Jan 9 22:43:38 mail authdaemond: password matches successfully Jan 9 22:43:38 mail authdaemond: authmysql: sysusername=<null>, sysuserid=5000, sysgroupid=5000, homedir=/var/spool/mail/virtual, [email protected], fullname=peter, maildir=<null>, quota=<null>, options=<null> Jan 9 22:43:38 mail authdaemond: authmysql: clearpasswd=<null>, passwd=password Jan 9 22:43:38 mail authdaemond: Authenticated: sysusername=<null>, sysuserid=5000, sysgroupid=5000, homedir=/var/spool/mail/virtual, [email protected], fullname=peter, maildir=<null>, quota=<null>, options=<null> Jan 9 22:43:38 mail authdaemond: Authenticated: clearpasswd=peter, passwd=password Jan 9 22:43:38 mail imapd: chdir Maildir: No such file or directory

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  • Weird connectivity issue wtih USB Wifi stick.

    - by Carlos Nunez
    Hi, all! I'm not sure if this is the appropriate place to throw this question out there, but I'll give it a shot. I'm setting up two PCs, and I've been having massive troubles getting a USB wireless dongle working. I have two Sony VAIOs (Windows XP, SP2) that I found second-hand, and since they will be in a location too far to connect by Ethernet (no, can't do patch panels here :p), I need to connect them by wireless. Easiest and cheapest way to do that at the moment is by using two USB wireless sticks that I've had for a while, but never used. One of the computers is using a SMC-manufactured card, whereas the other is using a Belkin F5D7050. The box with the SMC card can see and authenticate with my router just fine, and has no problem obtaining a DHCP lease. The box with the Belkin, on the other hand, isn't so lucky. While it can see my router and associate with it, it will not obtain a DHCP-issued address. Worse, when I assign a static IP address to the NIC, it can ping the entire network and access the internet (meaning it can authenticate with the router), but no computer can ping to it UNLESS that computer pinged the computer that's pinging it first. Confused? Well, so am I. Has anyone had this issue before? Is this just a sign of a bad card? (For the moment, I have it connected by Ethernet, as I haven't moved it yet. However, this will be a problem when I set it up in its new home later.) Thanks! -Carlos Nunez

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  • DNS Does Not Register at Off-site Locations

    - by Russ Warren
    First of all, let me give you the specifics of our setup: Windows Small Business Server 2008 Domain w/ all applicable updates on the DC The DC does DHCP for the main site The DC does DNS for all sites 3 sites including our headquarters where the DC is located All sites are connected through OpenVPN SSL tunnels terminated by an Untangle box at each site The 2 remote sites us the Untangle box as a DHCP server for their subnet, which assigns the DC as the primary DNS server Collection of Windows XP and Windows 7 workstations connected to the domain Here's the issue: All of the workstations at the main site register with the DNS server on the domain controller fine. As they grab an IP from the DHCP server, it updates the DNS server with the new host record. I have 2 systems (each at different remote sites) that fail to register with the DNS server. I've attempted the following troubleshooting steps: Confirmed the network adapter is using the DC as a DNS server Confirmed 2-way traffic is possible between DC and workstation Verified the "Register with DNS server" setting was checked in the adapter properties Attempted ipconfig /registerdns and received no errors For the time being, I have setup a DHCP reservation for these systems and manually created a host record. This seems to work fine, but I need a solution for any new systems that go out there.

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  • How can I tell which page is creating a high-CPU-load httpd process?

    - by Greg
    I have a LAMP server (CentOS-based MediaTemple (DV) Extreme with 2GB RAM) running a customized Wordpress+bbPress combination . At about 30k pageviews per day the server is starting to groan. It stumbled earlier today for about 5 minutes when there was an influx of traffic. Even under normal conditions I can see that the virtual server is sometimes at 90%+ CPU load. Using Top I can often see 5-7 httpd processes that are each using 15-30% (and sometimes even 50%) CPU. Before we do a big optimization pass (our use of MySQL is probably the culprit) I would love to find the pages that are the main offenders and deal with them first. Is there a way that I can find out which specific requests were responsible for the most CPU-hungry httpd processes? I have found a lot of info on optimization in general, but nothing on this specific question. Secondly, I know there are a million variables, but if you have any insight on whether we should be at the boundaries of performance with a single dedicated virtual server with a site of this size, then I would love to hear your opinion. Should we be thinking about moving to a more powerful server, or should we be focused on optimization on the current server?

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  • VirtualHost not using correct SSL certificate file

    - by Shawn Welch
    I got a doozy of a setup with my virtual hosts and SSL. I found the problem, I need a solution. The problem is, the way I have my virtual hosts and server names setup, the LAST VirtualHost directive is associating the SSL certificate file with the ServerName regardless of IP address or ServerAlias. In this case, SSL on www.site1.com is using the cert file that is established on the last VirtualHost; www.site2.com. Is this how it is supposed to work? This seems to be happening because both of them are using the same ServerName; but I wouldn't think this would be a problem. I am specifically using the same ServerName for a purpose and I really can't change that. So I need a good fix for this. Yes, I could buy another UCC SSL and have them both on it but I have already done that; these are actually UCC SSLs already. They just so happen to be two different UCC SSLs. <VirtualHost 11.22.33.44:80> ServerName somename ServerAlias www.site1.com UseCanonicalName On RewriteEngine On RewriteOptions Inherit </VirtualHost> <VirtualHost 11.22.33.44:443> ServerName somename ServerAlias www.site1.com UseCanonicalName On SSLEngine on SSLCertificateFile /usr/local/apache/conf/ssl.crt/cert1.crt SSLCertificateKeyFile /usr/local/apache/conf/ssl.key/cert1.key SSLCertificateChainFile /usr/local/apache/conf/chain/gd_bundle.crt RewriteEngine On RewriteOptions Inherit </VirtualHost> <VirtualHost 55.66.77.88:80> ServerName somename ServerAlias www.site2.com UseCanonicalName On RewriteEngine On RewriteOptions Inherit </VirtualHost> <VirtualHost 55.66.77.88:443> ServerName somename ServerAlias www.site2.com UseCanonicalName On SSLEngine on SSLCertificateFile /usr/local/apache/conf/ssl.crt/cert2.crt SSLCertificateKeyFile /usr/local/apache/conf/ssl.key/cert2.key SSLCertificateChainFile /usr/local/apache/conf/chain/gd_bundle.crt RewriteEngine On RewriteOptions Inherit </VirtualHost>

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  • Windows 2008 Standard upgrade to Windows 2008 Enterprise failure

    - by Archit Baweja
    Sidestory, I was in the process of setting up a second Exchange 2010 server for DAG support, when I realized that my box needed Windows 2008 Enterprise edition. The box currently has Windows 2008 Standard Windows update including SP2 Exchange 2010 with CAS, HT, Mailbox roles Domain Services role File Services role. When I try to upgrade to Windows 2008 Enterprise, I initially got a "your current version of windows is more recent than the intallation media", something to that effect. My first guess was it may be SP2 related, so I uninstalled SP2, restarted and tried again. This time it gave me an error to the effect Windows could not configure one or more windows components. Please restart and try the update again. This was at the last stage of the Windows 2008 Enterprise install when it says "Completing installation". So I removed Domain Services role (including demoting it as a DC). However I get the same error again. Anyone see something like this before and have any suggestions? Also , is there a log file the windows upgrade program spits out that I can consult to see what component exactly is interfering? Update 1 Based on some googling I finally found the setup log file, and it seems that Windows setup had an issue determining the .Net 3.0 "feature" being installed or uninstalled. So based of of a win7/vista technet article I'm going to retry the upgrade after removing the .Net 3.0 feature.

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  • Two large, linked Excel files take 30 minutes to save, except in VMWare environment

    - by Gerald L
    I support some tax consultants who love to use Excel when they should probably be using Access. Anyway, they have created two Excel files, A and B. File B has cells linked to file A. File A is 27 MB and file B is 16 MB. One worksheet has roughly 1 million rows and there is another worksheet doing a whole bunch of SUMIF on the 1 million rows. Not the best idea, but whatever. Both Excel files open and recalculate within a reasonable amount of time (1-2 minutes). For a files that large, this is acceptable. Here is the problem: Once you change a cell, and save the file B, it takes a solid 30 minutes to save the file, and the processors are going full speed. I've tried this on 6 different machines, all running Windows XP SP3 with Office 2007 SP2 and all patches. The specs vary from one machine with 512 MB or RAM to a machine with 4 GB of RAM and quad processors. Same result every time. Here is the clincher: If I do this same save operation on a VMWare virtual machine, the file gets saved in 1 minute. I've tried this with my ESX servers at the office, my Mac Fusion at home, and VMWare workstation at the office. It does not matter how much RAM the virtual machine has... it saves in about 1 minute every time. Does anybody have any idea why this is happening and how to fix?

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  • Join ActiveDirectory (Win 2k8R2) to OpenDirectory(Snow Leopard)

    - by Tom O'Connor
    The vast majority of questions and so on regarding the interoperability of Active and Open directories involves getting Mac clients to see an AD and auth against it. What we'd like to do is get a Windows 7 workstation to auth completely against Open Directory. We tried setting it up as an NT4 type PDC, and that doesn't work satisfactorily. We tried using pGina and the LDAP backend, which allows Authentication, but has no support for Authorization, and as a result, if we mount an NFS Share, the user has the rights to do anything they damn well please. Not ideal for security (Totally bloody unacceptable, actually). We tried using a Samba server (newer version than on the Open Directory Server) as an intermediate, so that it knows about the LDAP server on the OD Server, but uses Samba 4 instead of v3. That didn't work either. We could login, but couldn't mount, and if we did, we had the same rights as with pGina. If we right-click the mounted drive in Windows, and have a look at NFS UID, it returns -2, not the correct (mapped) UID. So the final plan I've got is to use an Active Directory, inside a Windows 2008R2 Virtual Machine. What I want to achieve is to have the Active Directory sync it's user data from OpenDirectory (read-only would be fine). That way, we'd have the ability to connect Windows 7 clients to a "virtual domain" which would actually just grab information from OD's LDAP. All the information I've found is about how to go the other way. Does anyone know how we can do this?

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  • Hiding a Website from Search Engine Bots and Viewers by Disabling Default VirtualHost

    - by Basel Shishani
    When staging a website on a remote VPS, we would like it to be accessible to team members only, and we would also like to keep the search engine bots off until the site is finalized. Access control by host whether in Iptables or Apache is not desirable, as accessing hosts can vary. After some reading in Apache config and other SF postings, I settled on the following design that relies on restricting access to only through specific domain names: Default virtual host would be disabled in Apache config as follows - relying on Apache behavior to use first virtual host for site default: <VirtualHost *:80> # Anything matching this should be silently ignored. </VirtualHost> <VirtualHost *:80> ServerName secretsiteone.com DocumentRoot /var/www/secretsiteone.com </VirtualHost> <VirtualHost *:80> ServerName secretsitetwo.com ... </VirtualHost> Then each team member can add the domain names in their local /etc/hosts: xx.xx.xx.xx secrethostone.com My question is: is the above technique good enough to achieve the above said goals esp restricting SE bots, or is it possible that bots would work around that. Note: I understand that mod_rewrite rules con be used to achieve a similar effect as discussed here: How to disable default VirtualHost in apache2?, so the same question would apply to that technique too. Also please note: the content is not highly secretive - the idea is not to devise something that is hack proof, so we are not concerned about traffic interception or the like. The idea is to keep competitors and casual surfers from viewing the content before it's released, and to prevent SE bots from indexing it.

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  • Window 7 image in vmware will allow network connection out but not http

    - by Ormis
    I am currently trying to create a set of images to deploy on my network, but I've run in to a snag. When I create my own Windows 7 image I can successfully use NAT for connecting to the network but whenever I try to access a webpage I get nothing. To be more specific, All firewalls/iptables are disabled on my host machine, my virtual machine, and my network. I can do lookups and all addresses respond correctly (i'm even using Google's DNS). On the host OS i have full connectivity. On the virtual machine I can ping any device I want and all addresses resolve correctly. Within a browser I cannot reach any page via hostname or IP. I feel almost like port 80 is being blocked but i can't find any reason this would be the case. If anyone has had this occur before, I would love some insight to the problem. I understand this question is a bit out of the norm for stackoverflow, but I've run out of ideas. Thank you for any help you can provide.

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  • moving plone or recovering data

    - by Atilla Filiz
    I had a simple plone site running on my Ubuntu 8.10 box, setup by following instructions on https://help.ubuntu.com/community/forum/server/Plone Now the computer got an Ubuntu 9.04 install from scratch, and I want to get the site up and running. As far as I understand several python libraries from 9,04 are not compatible with plone. I tried installing plon3-site from ubuntu repos, and I got this: $bin/instance start Traceback (most recent call last): File "bin/instance", line 103, in ? import plone.recipe.zope2instance.ctl File "/media/Robocup2009/robocup2009/eggs/plone.recipe.zope2instance-2.7-py2.4.egg/plone/recipe/zope2instance/__init__.py", line 16, in ? import zc.buildout File "/media/Robocup2009/robocup2009/eggs/zc.recipe.egg-1.1.0-py2.4.egg/zc/__init__.py", line 1, in ? __import__('pkg_resources').declare_namespace(__name__) ImportError: No module named pkg_resources I have python-pkg-resources installed. I actually don't care about plone, I just found it easy to use. My site is just photo and video archive of several users, with low traffic but several gigabytes of data. What would you suggest? Is it easier to get plone working on my box and start my instance(how?), or recover the content from the instance folder(how?) and setup another content management system(which?)

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  • Karmic iptables missing kernel moduyles on OpenVZ container

    - by luison
    After an unsuccessful p2v migration of my Ubuntu server to an OpenVZ container which I am stack with I thought I would give a try to a reinstall based on a clean OpenVZ template for Ubuntu 9.10 (from the OpenVZ wiki) When I try to load my iptables rules on the VM machine I've been getting errors which I believe are related to kernel modules not being loaded on the VM from the /vz/XXX.conf template model. I've been testing with a few post I've found but I was stack with the error: WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/. FATAL: Could not load /lib/modules/2.6.24-10-pve/modules.dep: No such file or directory iptables-restore v1.4.4: iptables-restore: unable to initialize table 'raw' Error occurred at line: 2 Try `iptables-restore -h' or 'iptables-restore --help' for more information. I read about the template not loading all iptables modules so I added modules to the XXX.conf of the VZ virtual machine like this: IPTABLES="ip_tables iptable_filter iptable_mangle ipt_limit ipt_multiport ipt_tos ipt_TOS ipt_REJECT ipt_TCPMSS ipt_tcpmss ipt_ttl ipt_LOG ipt_length ip_conntrack ip_conntrack_ftp ip_conntrack_irc ipt_conntrack ipt_state ipt_helper iptable_nat ip_nat_ftp ip_nat_irc" As the error remained I read that I should build dependencies again on the virtual machine: depmod -a but this returned an error: WARNING: Couldn't open directory /lib/modules/2.6.24-10-pve: No such file or directory FATAL: Could not open /lib/modules/2.6.24-10-pve/modules.dep.temp for writing: No such file or directory So I read again about creating the directory empty and redoing "depmod -a" it. I now don't get the dependancies error but get this and I don't have a clue how to proceed: WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/. FATAL: Module ip_tables not found. iptables-restore v1.4.4: iptables-restore: unable to initialize table 'raw' Error occurred at line: 2 Try `iptables-restore -h' or 'iptables-restore --help' for more information. I understand that iptables rules have to be different on the VM machine and perhaps some of the rules we are trying to apply (from our physical server) are not compatible but these are just source IP and destination port checks that I would like to be able to have available . I've heard that on the CentOS template there are no issues with this, so I understand is to do with VM config. Any help would be greatly appreciated.

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  • Redis 2.0.3 would not let go of deleted appendonly.aof file after BGREWRITEAOF

    - by Alexander Gladysh
    Ubuntu 10.04.2, Redis 2.0.3 (more details at the end of the question). My AOF file for Redis is getting too large, to the point where it soon would threaten to take whole free disk space on my small-HDD VPS box: $ df -h Filesystem Size Used Avail Use% Mounted on /dev/xvda 32G 24G 6.7G 78% / $ ls -la total 3866688 drwxr-xr-x 2 redis redis 4096 2011-03-02 00:11 . drwxr-xr-x 29 root root 4096 2011-01-24 15:58 .. -rw-r----- 1 redis redis 3923246988 2011-03-02 00:14 appendonly.aof -rw-rw---- 1 redis redis 32356467 2011-03-02 00:11 dump.rdb When I run BGREWRITEAOF, the AOF file shrinks, but disk space is not freed: $ ls -la total 95440 drwxr-xr-x 2 redis redis 4096 2011-03-02 00:17 . drwxr-xr-x 29 root root 4096 2011-01-24 15:58 .. -rw-rw---- 1 redis redis 65137639 2011-03-02 00:17 appendonly.aof -rw-rw---- 1 redis redis 32476167 2011-03-02 00:17 dump.rdb $ df -h Filesystem Size Used Avail Use% Mounted on /dev/xvda 32G 24G 6.7G 78% / Sure enough, Redis is still holding the deleted file: $ sudo lsof -p6916 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME ... redis-ser 6916 redis 7r REG 202,0 3923957317 918129 /var/lib/redis/appendonly.aof (deleted) ... redis-ser 6916 redis 10w REG 202,0 66952615 917507 /var/lib/redis/appendonly.aof ... How can I workaround this issue? I can restart Redis this time, but I would really like to avoid doing this on a regular basis. Note that I can not upgrade to 2.2 (upgrade to 2.0.4 is feasible though). More information on my system: $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 10.04.2 LTS Release: 10.04 Codename: lucid $ uname -a Linux my.box 2.6.32.16-linode28 #1 SMP Sun Jul 25 21:32:42 UTC 2010 i686 GNU/Linux $ redis-cli info redis_version:2.0.3 redis_git_sha1:00000000 redis_git_dirty:0 arch_bits:32 multiplexing_api:epoll process_id:6916 uptime_in_seconds:632728 uptime_in_days:7 connected_clients:2 connected_slaves:0 blocked_clients:0 used_memory:65714632 used_memory_human:62.67M changes_since_last_save:8398 bgsave_in_progress:0 last_save_time:1299014574 bgrewriteaof_in_progress:0 total_connections_received:17 total_commands_processed:55748609 expired_keys:0 hash_max_zipmap_entries:64 hash_max_zipmap_value:512 pubsub_channels:0 pubsub_patterns:0 vm_enabled:0 role:master db0:keys=1,expires=0 db1:keys=18,expires=0

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  • Replacing local home server with VPS: Suggestions?

    - by CamronBute
    So right now, I'm running an old box with a 2TB HDD in it. I use this as a file server for the home network, as well as a box for downloading large files which are synced via Dropbox. Lots of other tinkering things, too. Basically, I'm sick of paying extra for the power and having to worry about drive failures and whatnot. I'd rather get a remote server, let someone else manage it and provide access from the Internet. So, I've been looking for a Windows VPS that would give me access to install things and tinker, and I'm having a problem finding a host that offers more than 100GB of hard drive space. If they do offer a package with 100GB of storage, everything else is waaayyyy more than what I actually need. The idea is to create a permanent VPN connection from the cloud server to my home network to provide a transparent solution so I'm not having to go to lengths to transfer files or whatnot. I think a VPS solution will allow me to do this. I would like 1TB of storage space, minimum 100Mbps Internet connection, minimum 250GB bandwidth, admin access. Anyone have anything? Or am I being unreasonable? If I am, why?

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  • How can I setup apache+mod_proxy so when I connect to mod_proxy on interface X, it sends the traffic

    - by aspitzer
    We use a service that allots us X number of requests per IP and has allows us to setup 5 IPs with such a limit (I know.. it seems stupid they could not just up the limit 5x on one IP). Pretend I have a linux box with the following address on the internet: 66.249.90.104 - that is an Google IP and not mine... so feel free to try to hack into it :) I setup apache+mod_proxy as a forwarding proxy (ProxyRequests On). i.e. you can setup firefox to use 66.249.90.104:8080 as a proxy, and all firefox traffic comes out as 66.249.90.104. So far so good. Problem: Now I add more alias interfaces so the total looks like this: eth0: 66.249.90.104 eth0:1 66.249.90.105 eth0:2 66.249.90.106 eth0:3 66.249.90.107 eth0:4 66.249.90.108 I run apache+mod_proxy (single apache instance) which binds to all interfaces, but no matter which address I connect to use the forwarding proxy, all traffic goes out to the internet as 66.249.90.104 I have also tried running 5 different apaches, each binding to its own interface only, but that still sends the outbound request through 66.249.90.104. I was hoping to get it to work as follows: I connect to 66.249.90.108 and make a proxy request, and it goes out as 66.249.90.108. I connect to 66.249.90.107 and make a proxy request, and it goes out as 66.249.90.107. etc. Has anyone else had to deal with this issue? The fall back solution would be to just run apache on 5 separate boxes, but I would prefer it to all work on one box. Thanks!

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  • IBM Thinkpad 240 - Best way to boot from floppy to USB - Best Linux for 300 MHz 128 MB RAM 800x600 s

    - by zillion
    Mostly I still have that old 'ultraportable' laptop that is mostly like a pre-netbook era laptop and a friend and programmer needs a computer because the one he was using just broke and he has to wait until the new one arrive in 4-6 weeks ... This laptop has no LAN connection and CD-ROM so be prepared for a real challenge! All hardware is well supported on Windows XP (included drivers on the Windows XP CD) and on Linux out-of-the-box (but the screen need a special configuration.) Mostly any Linux that will work well with Skype (USB or regular headset), any MSN client and a text writer for code will do. What I have tested so far: Slitaz 2 don't boot because the floppy of GRUB4DOS don't see the USB drive (fully working and tested on my regular laptop), Damn Small Linux was working but was needing a special screen configuration that I don't remember (in the boot options of the floppy) and now I'm thinking about Puppy Linux that is seen to work totally out of the box with it but I will need an old Puppy version (1 or 2 I think) and the Wakepup floppy ... If you got some ideas to help or to try I'm open!

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  • Automatically Kill/Restart Process(es) When Memory is Critically Low

    - by nemesisfixx
    I have a Debian Wheezy VPS box where am running a couple of Django apps in production. Ideally, would have tried addressed my current memory footprint issues by optimizing the apps, adding more RAM or augmenting with Swap. But the problem is that I doubt there's much memory optimization I'd milk from optimizing the Django apps (the stack being open-source and robust), and adding RAM is a cost constraint for me (this is a remote VPS), also, the host doesn't offer options to use Swap! So, in the meantime (as I wait to secure more resources to afford more RAM), I wish to mitigate the scenarios where the server runs out memory so that I just have to request a VPS restart (as in, at that point, I can't even SSH into the box!). So, what I would love in a solution is the ability to detect when a process (or generally, total system memory usage) exceeds a certain critical amount (for now, example the FREE RAM falls to say 10%) - which I've noticed occurs after the VPS's been up for long, and when also traffic is suddenly much to some of the heavy apps (most are just staging apps anyway). So, I wish to be able to kill/restart the offending process(es) - most likely Apache. Which solution when done manually in these situations has restored sane memory usage levels - a hint that possibly one or more of the Django apps has a memory leak? In brief: Monitor overall system RAM usage When FREE RAM falls below a given critical threshold (say below 10%), kill/restart the offending process(es) - or simpler, if we assume from my current log analysis (using linux-dash) that Apache is often the offender, then kill/restart it. Rinse and repeat...

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  • exim4 to relay emails

    - by Matthieu
    I have exim4 installed on a Linux box. The basics work fine and I can send email from that machine without any problem to whatever email address. I also have a printer/scanner which is capable to send scans as emails. It needs an SMTP gateway to be able to do that. So I give the IP address of that Linux box, changed the configuration a little bit but still cannot get it to work. After I run dpkg-reconfigure exim4-config, here is what I get in /etc/exim4/update-exim4.conf.conf : dc_eximconfig_configtype='internet' dc_other_hostnames='' dc_local_interfaces='127.0.0.1;192.168.2.2' dc_readhost='' dc_relay_domains='mycompanyemail.com' dc_minimaldns='false' dc_relay_nets='192.168.2.0/24' dc_smarthost='' CFILEMODE='644' dc_use_split_config='false' dc_hide_mailname='' dc_mailname_in_oh='true' dc_localdelivery='mail_spool' My problem is that with this configuration, I can only send to emails @mycompanyemail.com... It says I can use wildcard, but when I do that, the '*' is replaced by whatever filename is in the directory where I run all that. How can I configure it to be able to send emails with any domain ? Or am I doing it wrong ? EDIT : here is the part of the log that's causing trouble : 2011-08-03 16:28:18 H=(NPI2D389C) [192.168.2.20] F=<[email protected]> rejected RCPT <[email protected]>: relay not permitted The first part ([email protected]) does not matter. I changed the email address. The point is that if this email is @mycompanyemail.com then everything works fine. Anything else does not work. I could add gmail.com, but I am looking to have any domain working...

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  • locked files on HFS+ home partition shared between OSX/Linux

    - by HazyBlueDot
    I dual boot into Arch Linux and OS X 10.6 on my MacBook pro. I synced my UID between both OSes and created an HFS partition (with no journaling) to use as a shared home/Users partition. For the most part it works just as I'd expect, but sometimes when I'm booted into OS X certain files are "locked" (when I get info on a particular file the "Locked" box is checked under the "General" pane. I can resolve the issue by manually unchecking the box) and/or I get "Operation not permitted" when I try deleting or chmod'ing a file. In both cases I don't see anything out of the ordinary on the permission bits displayed with ls -l, except for a trailing '@' character in the position where the sticky bit would normally occur: -rw-r--r--@ 1 myuser mygroup 296 Mar 29 11:44 myfile This '@' character shows up on ALL normal files, so doesn't seem to be linked to the locked/operation not permission situation. On the Linux side of things I never have permission problems. To the best of my limited knowledge and experience with ACLs I've not found any ACLs on any of the files in question. For what it's worth, I do most of my file editing using emacs (Aquamacs in OSX), is it possible it is setting weird permission bits? What is the "locked" setting that OS X uses and does it have a permission bit equivalent (so at the very least I could recursively unlock all files in my home directory from the terminal) why might some, but not other files get "locked" when booting into OS X what is the meaning of the '@' character?

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  • Postfix Postscreen: how to use postscreen for smtp and smtps both

    - by petermolnar
    I'm trying to get postscreen work. I've followed the man page and it's already running correctly for smtp. But it I want to use it for smtps as well (adding the same line as smtp in master.cf but with smtps) i receive failure messages in syslog like: postfix/postscreen[8851]: fatal: btree:/var/lib/postfix/postscreen_cache: unable to get exclusive lock: Resource temporarily unavailable Some say that postscreen can only run once; that's ok. But can I use the same postscreen session for both smtp and smtps? If not, how to enable postscreen for smtps as well? Any help would be apprecieted! The parts of the configs: main.cf postscreen_access_list = permit_mynetworks, cidr:/etc/postfix/postscreen_access.cidr postscreen_dnsbl_threshold = 8 postscreen_dnsbl_sites = dnsbl.ahbl.org*3 dnsbl.njabl.org*3 dnsbl.sorbs.net*3 pbl.spamhaus.org*3 cbl.abuseat.org*3 bl.spamcannibal.org*3 nsbl.inps.de*3 spamrbl.imp.ch*3 postscreen_dnsbl_action = enforce postscreen_greet_action = enforce master.cf (full) smtpd pass - - n - - smtpd smtp inet n - n - 1 postscreen tlsproxy unix - - n - 0 tlsproxy dnsblog unix - - n - 0 dnsblog ### the problematic line ### smtps inet n - - - - smtpd pickup fifo n - - 60 1 pickup cleanup unix n - - - 0 cleanup qmgr fifo n - n 300 1 qmgr tlsmgr unix - - - 1000? 1 tlsmgr rewrite unix - - - - - trivial-rewrite bounce unix - - - - 0 bounce defer unix - - - - 0 bounce trace unix - - - - 0 bounce verify unix - - - - 1 verify flush unix n - - 1000? 0 flush proxymap unix - - n - - proxymap proxywrite unix - - n - 1 proxymap smtp unix - - - - - smtp relay unix - - - - - smtp showq unix n - - - - showq error unix - - - - - error retry unix - - - - - error discard unix - - - - - discard local unix - n n - - local virtual unix - n n - - virtual lmtp unix - - - - - lmtp anvil unix - - - - 1 anvil scache unix - - - - 1 scache dovecot unix - n n - - pipe flags=DRhu user=virtuser:virtuser argv=/usr/bin/spamc -e /usr/lib/dovecot/deliver -d ${recipient} -f {sender}

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  • Pitfalls to using Gluster as a home/profile directory server?

    - by Bart Silverstrim
    I was asking recently about options for divvying up access to file servers, as we have a NAS solution that gets fairly bogged down when our users (with giant profiles, especially) all log in nearly simultaneously. I ran across Gluster and it looks like it can cluster different physical storage media into a single virtual volume and share it out like a virtual NAS from the client perspective and it support CIFS. My question is whether something like this would be feasible to use for home and profile directories in an active directory environment. I was worried about ACL's, primarily, as I didn't think CIFS was fine-grained enough to support NTFS permissions and it didn't look like Gluster exports those permission levels, just the base permissions for basic file sharing. I got the impression that using Gluster would allow for data to be redundant across multiple servers and would speed up access to the files under heavy load, while allowing us to dynamically boost storage capacity by just adding another server and telling Gluster's master node to add that server. Maybe I'm wrong with my understanding of it though. Anyone else use it or care to share how feasible this is?

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  • How to migrate a running KVM (with full disk copy) to another node?

    - by klipz
    I'm doing tests on KVM, and I'd like to see if I can make a hot migration, I mean the virtual machine won't stop running during the migration (but a few seconds of freeze is ok). I use a small cluster for my test : kvm1, kvm2, and kvmnfs. kvm1 and kvm2 runs the virtual machines kvmnfs is a NFS server, and it's mounted on /KVM on both kvm1 and kvm2 To migrate a VM (only RAM in fact) from kvm1 to kvm2, I run the same kvm command on kvm2 (with -incoming tcp:0:4444) that on kvm1, then I use "migrate -d tcp:kvm2:4444" : It works great, since the VM file is common to both machines. Now, I wan't to make a full migration (RAM + disk) of a local VM file (no more NFS) of kvm1 to kvm2. I tried to create an empty file, with touch, on kvm2 and use the same kvm command line + the "-incoming ..."). Then on kvm1 I use "migrate -d tcp:kvm2:4444" : It copies everything, then... the VM fails (any I/O disk gives an I/O error) ! And my VM file on kvm2, the one I created with touch, as still a size of 0 bytes. What am I doing wrong ? What is the exact command to use on kvm2 ? And what is the command to launch, in the monitoring mode, on kvm1 ?

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  • Slow parity initialization of RAID-5 array on HP Smart Array 411 controller

    - by Rob Nicholson
    On 29th October 2011, I built a RAID-5 array using 4 x 146.8GB Seagate SAS ST3146855SS drives running at 15k connected to a PowerEdge R515 with HP Smart Array P411 controller running Windows 2008 (so nothing particularly unusual). I know that parity initialisation of a RAID-5 array can take some time but it's still running after 2.5 weeks which seems a little unusual. I'd previously built another array on the same controller using 4 x 2TB SATA-2 drives and that did take a while to complete but a) I'm sure it was less than 2.5 weeks, b) that array was ~12 times bigger and c) during initialization, the percentrage slowly increased each day. At the moment, the status display for this new 2nd array simply says "Parity Initialization Status: In Progress" and it's said that since the start. It's this lack of change on the status that worries me the most - feels like it's not actually doing anything. Do you think something has gone wrong or am I being unpatient and for some reason, the status not increasing is normal? I kind of expected a much smaller array on faster drives (15k SAS versus 7.5k SATA-2) to build in a few days. This is our primary SAN running StarWind so my "have a play" options are very limited. This 2nd array is currently in use for one small virtual disk so I could shut the target machine down, move the virtual disk to another drive and try rebuilding.

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  • Setting up CIFS ISO Repository for Xen

    - by user85610
    I recently started working with Xen, to try to make better use of an extra desktop box for development testing. I'd like to be able to do OS installs on it without having to burn discs, but I'm having some trouble actually being able to get it to boot OS ISOs from a Windows share. My Windows box is running Win 7, and it's on a domain. I created a CIFS ISO SR in Xen, specifying the correct username and password to use. Xen is able to scan the share, and I see the ISOs that are in the folder, and can select them in the list in XenCenter. However, when I try to start the VM, I get "Error: Starting VM 'linxcentos' - INVALID_SOURCE - Unable to access a required file in the specified repository: file:///tmp/cdrom-repo-hIz-H7/isolinux/vmlinuz." I tried booting a different Linux ISO and got the same result. I know that the ISOs are valid because I was able to install them without issue when I tried VMWare ESXi earlier. What am I missing here? It's Xen/XenCenter 6 and I'm trying to install the newest version of Centos. I may end up burning it for now, but I'd like to get this to work, at least just for the principle of not letting mysterious behaviors go unsolved...

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  • Is there any limit to AIX 5.3 pipe size ?

    - by snowflake
    Hello, I'm in trouble while performing cat/tail/head operation on large files on Aix 5.3. When asking for a cat of several 1Go file redirected to another one: cat file1 file2 file3 > outputfile The outputfile is limited to 2Go (cat: output error and result file is 2147483647 bytes) Filesystem is jfs2. I successfully uploaded through ftp 10Go files on the filesystem without problem. I found nothing relevant in etc/security/limits: default: fsize = -1 core = 2097151 cpu = -1 data = 262144 rss = 65536 stack = 65536 nofiles = 20000 ulimit -a core file size (blocks) unlimited data seg size (kbytes) 245759 file size (blocks) unlimited max memory size (kbytes) unlimited open files 2000 pipe size (512 bytes) 64 stack size (kbytes) 32768 cpu time (seconds) unlimited max user processes 2048 virtual memory (kbytes) 278527 The problem does not occur on another AIX 5.3 server, I'm just looking for a different configuration that might be the source of the problem. /etc/security/limits on the server without the problem: default: fsize = -1 core = 2097151 cpu = -1 data = 262144 rss = 65536 stack = 65536 nofiles = 20000 ulimit -a on the server without the problem: core file size (blocks, -c) 1048575 data seg size (kbytes, -d) 131072 file size (blocks, -f) unlimited max memory size (kbytes, -m) 32768 open files (-n) 20000 pipe size (512 bytes, -p) 64 stack size (kbytes, -s) 32768 cpu time (seconds, -t) unlimited max user processes (-u) 262144 virtual memory (kbytes, -v) unlimited

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