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• Postfix connect timing out remotely, working fine locally

  - by Moritz

  Running Postfix on Debian I cannot connect to send mail any more. It worked until approximately a week ago. I do not recall touching the configuration of the server during that time, which makes it difficult for me to find out what the problem is. When connecting from the server to itself it works fine: root@xxxx:~# telnet localhost 25 Trying 127.0.0.1... Connected to localhost.localdomain. Escape character is '^]'. ehlo localhost 220 mail.xxxx.de ESMTP Postfix (Debian/GNU) 250-mail.xxxx.de 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN quit 221 2.0.0 Bye Connection closed by foreign host. Trying to do the same remotely times out: laptop:~ $ telnet mail.xxxx.de 25 Trying 93.xx.xx.xx... telnet: connect to address 93.xx.xx.xx: Operation timed out telnet: Unable to connect to remote host Configuration is as follows: root@xxxx:~# postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases append_dot_mydomain = no biff = no broken_sasl_auth_clients = yes config_directory = /etc/postfix home_mailbox = Maildir/ inet_interfaces = all inet_protocols = ipv4 mailbox_command = mailbox_size_limit = 0 mydestination = localhost.localdomain, localhost.localdomain, localhost myhostname = mail.xxxx.de mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 myorigin = /etc/mailname readme_directory = no recipient_delimiter = + relayhost = smtp_tls_note_starttls_offer = yes smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtp_use_tls = yes smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_exceptions_networks = $mynetworks smtpd_sasl_local_domain = smtpd_sasl_path = private/auth smtpd_sasl_security_options = noanonymous smtpd_sasl_type = dovecot smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem smtpd_tls_auth_only = no smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key smtpd_tls_loglevel = 1 smtpd_tls_received_header = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_tls_session_cache_timeout = 3600s smtpd_use_tls = yes tls_random_source = dev:/dev/urandom virtual_alias_maps = proxy:mysql:$config_directory/mysql_virtual_alias_maps.cf virtual_gid_maps = static:8 virtual_mailbox_base = /var/vmail virtual_mailbox_domains = proxy:mysql:$config_directory/mysql_virtual_domains_maps.cf virtual_mailbox_maps = proxy:mysql:$config_directory/mysql_virtual_mailbox_maps.cf virtual_minimum_uid = 150 virtual_transport = dovecot Receiving mails is no problem, as is retrieving them remotely. Do you have an idea what I could check next?

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• Dynamips and Tap Devices, To and From the same machine

  - by Kyle Brandt

  I am setting up a dynamips/dynagen lab and am wondering if there is any way to get traffic to route out one tap devices, go into the lab, and come back to a tap device on the same machine. I have tried host specific routes as well as removing the route created when I give the tun device an ip via ifconfig. With both of these, traffic always preferes the attached devices and won't go through my lab. Any way to make this work without a separate machine or vm?

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• cPanel web server redundancy advice?

  - by crgnz

  At present I operate a (reasonably low volume) web-hosting service with a Centos 5.3 server running cPanel/WHM. I would like to implement a level of redundancy such that in the event of server failure, I can restore service with a minimum of effort in less than 60 minutes. I also want to setup a secondary DNS that cPanel will replicate with. My current idea is to kill two birds with one stone by: My current server is called "www1" Purchase an identical server (HP DL360 G4) with mirrored disks. Call this server "www2" Install Centos 5.4 (or perhaps I should install 5.3 to be identical with www1) Install cPanel/WHM on this server and fully license it Setup www1 and www2 cPanel to replicate DNS with each other Setup a nightly replication script that does the following: a) rsync's the /home directory from www1 to www2 b) dumps all MySQL databases on www1 and copies them to a temp folder (with root access only) on www2 c) triggers a script to run on www2 that restores the MySQL dumps Thus each night a fully working copy of all the websites and MySQL databases is copied to www2. I do not have enough knowledge of MySQL replication to understand if it works safely and transparently with cPanel. Thus I propose the mysql dump/copy/restore due to not knowing any better! In the event that www1 dies a horrible death, I envisage that I could login to www2, change the IP addresses to those that www1 had, and presto, the websites are available again. The advantage of this idea is that it is fairly simple and "low tech" and thus does not require an expert sysadmin to setup and monitor (I am NOT an expert sysadmin) The disadvantage of this idea is that up to a full days worth of data changes would be lost. I think this would be acceptable to the sorts of customers I host at the moment. The other disadvantage would be having to pay for a full cPanel license, but I am comfortable with that cost, so for now all I want to discuss are technical considerations. Is this a sound scheme?

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• How to restore default iPod playlists on Amarok?

  - by obvio171

  I wanted to "reset" the collection on my iPod and ended up accidentally deleting, through Amarok, all the playlists, including the default ones like "Most Played" and "Highest Rated". Since these are dynamic playlists with a special meaning for iPod, I don't think creating new, normal playlists with the same name will bring their special behavior back. How do I restore them with the same dynamic functionality? Is there a way to do that on Amarok? Rhythmbox? GTKPod? Command line? P.S.: not entirely sure what the policy about iPod questions are, but this one in particular seems to me to be very computer-related because, although it's about interfacing with a device, everything has to be done on my computer, using standard PC libraries/programs, etc. If it's still off-topic, please point me to where I could post it.

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• Installing 64-bit Ubuntu alongside 32-bit Ubuntu?

  - by Macha

  I have a 64-bit processor in my PC, but because of worries over application compatibility, up until now I have been using 32-bit Ubuntu (and 32-bit Vista because Dell wouldn't sell me 64-bit with my PC). Is it possible for me to install 64-bit Ubuntu alongside 32-bit ubuntu and 32-bit Windows Vista, so I can choose between them at boot and share data, and without uninstalling my 32-bit Ubuntu? My partitions are as follows Drive 1: 10 GB Vista recovery partition (E:), 240 GB Windows NTFS parition (230 GB used, C:). Drive 2: 167 GB Windows NTFS Partition (130 GB used, D: ), 8 GB swap partition, 13 GB / partition (6 GB used), 62 GB /home partition (20 GB used).

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• Connecting to server from remote machine

  - by Jannat Arora

  I wish to connect my machine to a server in some other city. For doing the same I am using the following command: mstsc -v ip_address_of_server remote desktop can't connect to remote computer for one of these reasons: 1) Remote access to server is not enabled. 2) Remote computer is turned off 3) Remote computer is not available on network. Make sure remote computer is turned on and connected to the network, and that remote access is enabled. As per previous posts I need to turn off my client computers firewall..which I have...but still it gives me the same message. Can someone please please help me out...so as to how i may resolve this?? I am really new to networking, etc. Also when i am pinging: ping ip_address_of server I am getting the following response: Reply from ip_address_of_server: destination host unreachable Also I did try on ubuntu with rdesktop...still its not been able to connect with it. Also i know there are other people who are able to connect their machines with the server remotely. So i guess its not working for me only. Also when I accessed the same machine through LAN I was able to do so.

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• NSD Daemon (DNS SERVER)

  - by Catalin

  While searching for a secure dns server I came across this http://www.nlnetlabs.nl/projects/nsd/ I was really impressed by what seemed to me the best option out there that's open source. One problem thought their 'tutorial' is really NOT noob friendly I have basic DNS knoledge but what's in there is out of my league. Any help in setting up this DNS server please ? I need to have multiple sites on this CentOs server I've recently got my hands on :). They also need to receive email. Details: I have a master host and would love to set this in the way described in the rows that follow: masterhost.com -> ns1.masterhost.com mail.masterhost.com www.masterhost.com addonhost.com -> ns1.masterhost.com mail.masterhost.com www.addonhost.com And so on, all answers and suggestions are welcomed, Thank you in advance.

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• Taking a screencast in Backtrack 4

  - by Leboff

  I'm working on a tutorial using Backtrack 4 Live USB, and I would like to take a screencast of what I'm doing (not just screenshots) So far I have tried these application with limited success: -recordmydesktop -xvidcap -wink -istanbul -vlc -vnc2flv Each time I try the resulting files are generally choppy (at best 1 frame per second) and most don't even end up with a clear view of the screen each time. If anyone has suggestions for the screencast I would greatly appreciate it. Thanks, Bryan

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• How to upgrade XBMC Live from 9.04.1 to 9.11 via command line?

  - by sunpech

  I've been unable to do a fresh install of XBMC Live 9.11 to my hard drive. Everytime it fails at the Install System step. But I am able to get XBMC Live 9.04.1 to install successfully. How do I upgrade XBMC Live 9.04.1 to 9.11? I understand that Ctrl+Shift+F2 brings up the command line, but what are the next set of commands to run?

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• SVN Authz - Any Subfolder permission or List contents

  - by Jaspa Jones

  Goal Basically I would like SVN users to be able to browse through a directory containing a lot of subfolders without allowing them to read its subfolders. [/] * = r [/Projects] * = # Allow viewing contents, but not reading. At least to be able to see Project1. [/Projects/Project1] my_group = rw Problem The problem is that there are a lot of projects. I could add every other project and make them disappear for the user, but that would be a lot of work to maintain. It would look like this: [/] * = r [/Projects] * = r [/Projects/Project1] my_group = rw [/Projects/Project2] * = [/Projects/Project3] * = [/Projects/Project4] * = [/Projects/Project5] * = It would be nice if I could use this: [/Projects/*] * = Any ideas? Thanks in advance, Jaspa Jones

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• Syntax Error when setting up Domain Alias

  - by Poundtrader

  I'm attempting to set up a domain alias via Pre VirtualHost Include and I'm recieving the following error: Error: An error occurred while running: /usr/local/apache/bin/httpd -DSSL -t -f /usr/local/apache/conf/httpd.conf Exit signal was: 0 Exit value was: 1 Output was: --- Syntax error on line 15 of /usr/local/apache/conf/includes/pre_virtualhost_global.conf: CustomLog takes two or three arguments, a file name, a custom log format string or format name, and an optional "env=" clause (see docs) --- Basically I have two domains, the main domain has an opencart installation within a directory (/buy) and I'm attempting to use the multi-store function which allows you to administer multiple stores on multiple domains via the one opencart dashboard. My issue is that I have the opencart installations within the /buy directory so I have been given the following code which should allow me to use this functionality over the multiple cPanel accounts within the same VPS. <VirtualHost 87.117.239.29:80> ServerName newdomain.co.uk ServerAlias www.newdomain.co.uk Alias /buy /home/originaldomain/public_html/buy/ DocumentRoot /home/newdom/public_html ServerAdmin [email protected] ## User newdom # Needed for Cpanel::ApacheConf <IfModule mod_suphp.c> suPHP_UserGroup newdom newdom </IfModule> <IfModule mod_ruid2.c> RUidGid newdom newdom </IfModule> CustomLog /usr/local/apache/domlogs/newdomain.co.uk-bytes_log “%{%s}t %I .\n%{%s}t %O .” CustomLog /usr/local/apache/domlogs/newdomain.co.uk combined ScriptAlias /cgi-bin/ /home/newdom/public_html/cgi-bin/ </VirtualHost> Does anyone know how to get this code to work? Thanks,

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• using sed to replace 1 line with a multi-line variable in ksh

  - by Manda

  I have the following text in a file: XXXX NNNN YYYY NNNN ZZZZ NNNN I want to replace the NNNN to make it look like this: XXXX NNNN DUTY FORECASTER: YYYY NNNN DUTY FORECASTER: ZZZZ NNNN DUTY FORECASTER: How do I use sed to replace a variable with more than one line? Is there a better way of doing this without using sed? I have tried the following to no avail: sed 's/NNNN/"$value1"/g' testfile sed 's/NNNN/'"$value1"'/g' testfile sed 's/NNNN/${value1}/g' testfile sed 's/NNNN/'"${value1}"'/g' testfile I have also tried all of the above using double quotes. Any help is greatly appreciated. Thanks so much!

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• openwrt uses a single interface bridge?

  - by timbo

  My understanding of bridging is that it ties together two interfaces at layer 2. I am looking at a Ubiquiti Nanostation2 running OpenWRT that has an ethernet port 'eth0' and a wifi port 'ath0'. The ethernet port (the 'wan' port) is not part of the bridge and the bridge is just a single interface. Can anyone clarify this? - seems very different to Ubuntu. /etc/config/network: config 'interface' 'loopback' option 'ifname' 'lo' option 'proto' 'static' option 'ipaddr' '127.0.0.1' option 'netmask' '255.0.0.0' config 'interface' 'wan' option 'ifname' 'eth0' option 'proto' 'dhcp' config 'interface' 'wifi' option 'ipaddr' '192.168.13.1' option 'type' 'bridge' option 'proto' 'static' option 'netmask' '255.255.255.0' option 'ifname' 'wifi0'

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• rsyslog - regex trouble

  - by benmccann

  I'm trying to setup the logentries service. If a log entry has a token in it then I would like to send it to api.logentries.com:10000. The token is a guid in the format aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee. Right now I'm doing: # If there's a logentries token then send it directly to logentries :msg, regex, ".*[a-z0-9]{8}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{12}.*" & @@api.logentries.com:10000 I checked the rsyslog debug logs and my regex is not matching, but I can't figure out why or how to fix it: 5245.961161378:7fb79b514700: Filter: check for property 'msg' (value ' fb1c507f-2ede-4d7f-a140-2bd8d56e133 - application - [play-akka.actor.default-dispatcher-1] - Found user: 4fb11ea5e4b00a1aeebe2800') regex '.*[a-z0-9]{8}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{12}.*': FALSE

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• Cannot SVN checkout when anon-access = none

  - by sKIPper76

  When I have anon-access = write Everything works fine. When I change svnserve.conf to: anon-access = none auth-access = write And uncomment password-db and authz-db AND add user in authz with rw AND put username/password in passwd, nothing works. Eclipse keeps giving me a "Cannot map the project with svn provider" error. I have given all the files under conf 777. Any ideas what's wrong?

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• Forensic Analysis of the OOM-Killer

  - by Oddthinking

  Ubuntu's Out-Of-Memory Killer wreaked havoc on my server, quietly assassinating my applications, sendmail, apache and others. I've managed to learn what the OOM Killer is, and about its "badness" rules. While my machine is small, my applications are even smaller, and typically only half of my physical memory is in use, let alone swap-space, so I was surprised. I am trying to work out the culprit, but I don't know how to read the OOM-Killer logs. Can anyone please point me to a tutorial on how to read the data in the logs (what are ve, free and gen?), or help me parse these logs? Apr 20 20:03:27 EL135 kernel: kill_signal(13516.0): selecting to kill, queued 0, seq 1, exc 2326 0 goal 2326 0... Apr 20 20:03:27 EL135 kernel: kill_signal(13516.0): task ebb0c6f0, thg d33a1b00, sig 1 Apr 20 20:03:27 EL135 kernel: kill_signal(13516.0): selected 1, signalled 1, queued 1, seq 1, exc 2326 0 red 61795 745 Apr 20 20:03:27 EL135 kernel: kill_signal(13516.0): selecting to kill, queued 0, seq 2, exc 122 0 goal 383 0... Apr 20 20:03:27 EL135 kernel: kill_signal(13516.0): task ebb0c6f0, thg d33a1b00, sig 1 Apr 20 20:03:27 EL135 kernel: kill_signal(13516.0): selected 1, signalled 1, queued 1, seq 2, exc 383 0 red 61795 745 Apr 20 20:03:27 EL135 kernel: kill_signal(13516.0): task ebb0c6f0, thg d33a1b00, sig 2 Apr 20 20:03:27 EL135 kernel: OOM killed process watchdog (pid=14490, ve=13516) exited, free=43104 gen=24501. Apr 20 20:03:27 EL135 kernel: OOM killed process tail (pid=4457, ve=13516) exited, free=43104 gen=24502. Apr 20 20:03:27 EL135 kernel: OOM killed process ntpd (pid=10816, ve=13516) exited, free=43104 gen=24503. Apr 20 20:03:27 EL135 kernel: OOM killed process tail (pid=27401, ve=13516) exited, free=43104 gen=24504. Apr 20 20:03:27 EL135 kernel: OOM killed process tail (pid=29009, ve=13516) exited, free=43104 gen=24505. Apr 20 20:03:27 EL135 kernel: OOM killed process apache2 (pid=10557, ve=13516) exited, free=49552 gen=24506. Apr 20 20:03:27 EL135 kernel: OOM killed process apache2 (pid=24983, ve=13516) exited, free=53117 gen=24507. Apr 20 20:03:27 EL135 kernel: OOM killed process apache2 (pid=29129, ve=13516) exited, free=68493 gen=24508. Apr 20 20:03:27 EL135 kernel: OOM killed process sendmail-mta (pid=941, ve=13516) exited, free=68803 gen=24509. Apr 20 20:03:27 EL135 kernel: OOM killed process tail (pid=12418, ve=13516) exited, free=69330 gen=24510. Apr 20 20:03:27 EL135 kernel: OOM killed process python (pid=22953, ve=13516) exited, free=72275 gen=24511. Apr 20 20:03:27 EL135 kernel: OOM killed process apache2 (pid=6624, ve=13516) exited, free=76398 gen=24512. Apr 20 20:03:27 EL135 kernel: OOM killed process python (pid=23317, ve=13516) exited, free=94285 gen=24513. Apr 20 20:03:27 EL135 kernel: OOM killed process tail (pid=29030, ve=13516) exited, free=95339 gen=24514. Apr 20 20:03:28 EL135 kernel: OOM killed process apache2 (pid=20583, ve=13516) exited, free=101663 gen=24515. Apr 20 20:03:28 EL135 kernel: OOM killed process logger (pid=12894, ve=13516) exited, free=101694 gen=24516. Apr 20 20:03:28 EL135 kernel: OOM killed process bash (pid=21119, ve=13516) exited, free=101849 gen=24517. Apr 20 20:03:28 EL135 kernel: OOM killed process atd (pid=991, ve=13516) exited, free=101880 gen=24518. Apr 20 20:03:28 EL135 kernel: OOM killed process apache2 (pid=14649, ve=13516) exited, free=102748 gen=24519. Apr 20 20:03:28 EL135 kernel: OOM killed process grep (pid=21375, ve=13516) exited, free=132167 gen=24520. Apr 20 20:03:57 EL135 kernel: kill_signal(13516.0): selecting to kill, queued 0, seq 4, exc 4215 0 goal 4826 0... Apr 20 20:03:57 EL135 kernel: kill_signal(13516.0): task ede29370, thg df98b880, sig 1 Apr 20 20:03:57 EL135 kernel: kill_signal(13516.0): selected 1, signalled 1, queued 1, seq 4, exc 4826 0 red 189481 331 Apr 20 20:03:57 EL135 kernel: kill_signal(13516.0): task ede29370, thg df98b880, sig 2 Apr 20 20:04:53 EL135 kernel: kill_signal(13516.0): selecting to kill, queued 0, seq 5, exc 3564 0 goal 3564 0... Apr 20 20:04:53 EL135 kernel: kill_signal(13516.0): task c6c90110, thg cdb1a100, sig 1 Apr 20 20:04:53 EL135 kernel: kill_signal(13516.0): selected 1, signalled 1, queued 1, seq 5, exc 3564 0 red 189481 331 Apr 20 20:04:53 EL135 kernel: kill_signal(13516.0): task c6c90110, thg cdb1a100, sig 2 Apr 20 20:07:14 EL135 kernel: kill_signal(13516.0): selecting to kill, queued 0, seq 6, exc 8071 0 goal 8071 0... Apr 20 20:07:14 EL135 kernel: kill_signal(13516.0): task d7294050, thg c03f42c0, sig 1 Apr 20 20:07:14 EL135 kernel: kill_signal(13516.0): selected 1, signalled 1, queued 1, seq 6, exc 8071 0 red 189481 331 Apr 20 20:07:14 EL135 kernel: kill_signal(13516.0): task d7294050, thg c03f42c0, sig 2 Watchdog is a watchdog task, that was idle; nothing in the logs to suggest it had done anything for days. Its job is to restart one of the applications if it dies, so a bit ironic that it is the first to get killed. Tail was monitoring a few logs files. Unlikely to be consuming memory madly. The apache web-server only serves pages to a little old lady who only uses it to get to church on Sundays a couple of developers who were in bed asleep, and hadn't visited a page on the site for a few weeks. The only traffic it might have had is from the port-scanners; all the content is password-protected and not linked from anywhere, so no spiders are interested. Python is running two separate custom applications. Nothing in the logs to suggest they weren't humming along as normal. One of them was a relatively recent implementation, which makes suspect #1. It doesn't have any data-structures of any significance, and normally uses only about 8% of the total physical RAW. It hasn't misbehaved since. The grep is suspect #2, and the one I want to be guilty, because it was a once-off command. The command (which piped the output of a grep -r to another grep) had been started at least 30 minutes earlier, and the fact it was still running is suspicious. However, I wouldn't have thought grep would ever use a significant amount of memory. It took a while for the OOM killer to get to it, which suggests it wasn't going mad, but the OOM killer stopped once it was killed, suggesting it may have been a memory-hog that finally satisfied the OOM killer's blood-lust.

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• How would I `wget` files and then save them by date downloaded rather than filename?

  - by searchfgold6789

  My goal: To download 131 JPEGs and save them in a file name format that is relative to the date/time format rather than their file name. I have already tried things that involve changing the files' names after they have already been downloaded. However, these methods do not work because it seems like exif data is not being kept. For example: jhead -n%Y%m%d-%H%M%S *.jpg just returns a bunch of errors saying: Possible new names for for '{filename}.jpg' already exist File '{filename}.jpg' contains no exif date stamp. Using file date Usually, as in this case, I wind up with less files than I started out with. So is there some command I can pass to wget instead? I have already tried the --timestamp option with no success. (The man page is not to clear about what that does.)

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• Can't write to raid on Fedora

  - by 99miles

  I just did a fresh install of Fedora 11 and added Raid 1 following this tutorial: http://www.optimiz3.com/installing-fedora-11-and-setting-up-a-raid-0-1-5-6-or-10-array/ Now I see the filesystem when I open 'Computer' in the GUI, and I open it and see 'lost+found', but i can't write to the drive. The option is simply greyed out. And when I view Properties on the drive and go to Permissions, it says 'The permissions of {driveid} could not be determined.' Any ideas?

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• Grant a user access to directories shared by root (mod: 770)

  - by Paul Dinham

  I want to grant a user (username: paul) access to all directories shared by root with mod 770. I do it this way: groups root (here comes a list of groups in which root user is) usermod -a -G group1 paul usermod -a -G group2 paul usermod -a -G group3 paul ... All the 'group1', 'group2', 'group3' are seen in the group list of root user. However, after adding 'paul' to all groups above, he still can not write to directories shared by root user with mod 770. Did I do it wrongly?

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• I had a power outage. Now MySQL's lock file won't go away. What do you suggest?

  - by jasonspiro

  I do freelance IT consulting for various clients, both in Toronto, Canada, and worldwide. A client recently experienced a power failure. Now they've been having various problems with a Slackware 12.0.0 machine which also acts as a DNS server. One problem is that they can't log into phpMyAdmin. I tried stopping and restarting MySQL. But even when MySQL is stopped, the lock file stays around. jasonspiro@cybertron:~$ sudo /etc/init.d/mysql stop Shutting down MySQL. SUCCESS! jasonspiro@cybertron:~$ sudo /etc/init.d/mysql stop ERROR! MySQL manager or server PID file could not be found! jasonspiro@cybertron:~$ sudo /etc/init.d/mysql status ERROR! MySQL is not running, but lock exists jasonspiro@cybertron:~$ ls -l /var/lock/subsys/mysql -rw-r--r-- 1 root root 0 2012-07-05 16:18 /var/lock/subsys/mysql Why is MySQL's lock file hanging around despite the fact that MySQL isn't running? Can I simply stop MySQL, delete the lock file, and start MySQL again? Are there any other steps that I should take next, or nothing?

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• How to remove USB dependency form the boot process?

  - by vijay.shad

  Hi friend, I have just installed the centos 5.3 on my server machine. It looks for a USB media to boot. But I am not able to figure it out what i have done wrong. Why does it asks for USB media? If I have created a dependency of USB to boot, Is there any way i can remove this dependency. Or I have to reinstall the OS again? Regards, Vijay Shanker Dubey

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• awstats parse of postfix mail log drops all records

  - by accidental admin

  I'm trying to get awstats to parse the postfix mail log, but it drops allmost all entries with messages like: Corrupted record (date 20091204042837 lower than 20091211065829-20000): 2009-12-04 04:28:37 root root localhost 127.0.0.1 SMTP - 1 17480 Few more are dropped with an invalid LogFormat: Corrupted record line 24 (record format does not match LogFormat parameter): 2009-11-16 04: 28:22 root root localhost 127.0.0.1 SMTP - 14755 My conf LogFormat="%time2 %email %email_r %host %host_r %method %url %code %bytesd" I believe matches the log format (and besides is the log format I've seen everywhere for awstats mail parsing). Besides, is the same entry format as all the other entries in the mail log. Whatever is left is dropped too: Dropped record (host localhost and 127.0.0.1 not qualified by SkipHosts): 2009-12-07 04:28:36 root root localhost 127.0.0.1 SMTP - 1 17152 I added SkipHosts="" to the .conf file but to no avail. I feel like awstats really has some personal quarrel with me today.

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• Use ubuntu server 10.04 as a virtulization server as esxi from VMWare

  - by hitham

  I was wondering if its possible to use Ubuntu server as virtualization center as ESXi Vmware? I am asking this coz i read this in ubuntu website: "Ubuntu includes a Virtual Machine Builder which makes this process simple and replicable allowing multiple pre-configured machines to be deployed instantly". If its possible how can i do such thing?. with all respect. Hitham Melhem

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• sendmail redhat

  - by lepricon123

  For some reason even after providing the sender's from adress my mails are not being delivered as from is missing as below maillog. Any suggestions? May 8 20:08:43 tawq02 sendmail[13443]: o4938hJD013443: ruleset=check_mail, arg1=<{}, relay=localhost.localdomain [127.0.0.1], reject=553 5.5.4 <{}... Domain name required for sender address {} May 8 20:08:43 tawq02 sendmail[13443]: o4938hJD013443: from=<{}, size=0, class=0, nrcpts=0, proto=ESMTP, daemon=MTA, relay=localhost.localdomain [127.0.0.1]

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• Connect two subnets without router

  - by Shcheklein

  I got two Comcast routers with two different subnets on each. Every subnet contains 5 static IPs. Two questions: Are there any problems if both routers and machines from both subnets are connected into one switch? Security issues doesn't matter there. I need to know if there are some performance or other problems. Is it possible to make machines from different subnets to see each other if they all are connected into one switch? Some static routing, add ARP records or somethig else ... I just want to avoid configuring second ethernet adaptors, third router or something. And I need to connect these subnets vai high-speed local network.

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