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• PHP enable sqlite phpinfo states --without-sqlite

  - by Jahmic

  I've seen similar questions but none that address my situation adequately. I'm running Apache and PHP 5.3.6 on a amazon cloud server. phpinfo keeps stating that sqlite is disabled. At least that what it seems from the configure line: './configure' ... '--without-sqlite' In other parts of phpinfo() output: PDO PDO drivers mysql, sqlite PDO Driver for SQLite 3.x enabled SQLite Library 3.6.20 sqlite3 SQLite3 support enabled SQLite3 module version 0.7-dev SQLite Library 3.6.20 Directive Local Value Master Value sqlite3.extension_dir no value no value and at least one the following PHP commands fail: if (!extension_loaded('SQLite') OR !function_exists('sqlite_open')) Yum install states that both sqlite and pdo-lite are already installed. I've tried to enable sqlite by editing my local php.ini by adding: ; Enable sqlite3 extension module extension=sqlite3.so I've checked the main php.ini (/etc/php.ini) and there is nothing specific about disabling it. In fact, there is a sub-conig file loaded in php.d that also specifies this extension as well as another for the pdo-sqlite I'm running of things to look for or try. Any suggestions. How do I find where the PHP configure is stated? Thanks

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• Problems using wondershaper on KVM guest

  - by Daniele Testa

  I am trying to limit bandwidth on one of my KVM guest using Wondershaper. Doing something like this works fine: wondershaper br23 9000 9000 Doing a wget with the setting above gives a download speed of about 1MB/sec like it should. However, it seems this is the highest setting I can use, because setting it to this does not work: wondershaper br23 10000 10000 Doing the same wget with the setting above downloads with full speed, about 70MB/sec in my case. Running a status-check returns the following: qdisc cbq 1: root refcnt 2 rate 10000Kbit (bounded,isolated) prio no-transmit Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 borrowed 0 overactions 0 avgidle 12500 undertime 0 qdisc sfq 10: parent 1:10 limit 127p quantum 1514b divisor 1024 perturb 10sec Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc sfq 20: parent 1:20 limit 127p quantum 1514b divisor 1024 perturb 10sec Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc sfq 30: parent 1:30 limit 127p quantum 1514b divisor 1024 perturb 10sec Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 class cbq 1: root rate 10000Kbit (bounded,isolated) prio no-transmit Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 borrowed 0 overactions 0 avgidle 12500 undertime 0 class cbq 1:1 parent 1: rate 10000Kbit (bounded,isolated) prio 5 Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 borrowed 0 overactions 0 avgidle 12500 undertime 0 class cbq 1:10 parent 1:1 leaf 10: rate 10000Kbit prio 1 Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 borrowed 0 overactions 0 avgidle 12500 undertime 0 class cbq 1:20 parent 1:1 leaf 20: rate 9000Kbit prio 2 Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 borrowed 0 overactions 0 avgidle 12500 undertime 0 class cbq 1:30 parent 1:1 leaf 30: rate 8000Kbit prio 2 Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 borrowed 0 overactions 0 avgidle 12500 undertime 0 What am I doing wrong? Does wondershaper have some kind of upper limit?

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• ASP.NET Web API returns 404 for PUT only on some servers

  - by Greg Bacchus

  Ok, I have been racking my brain and the internet for a solution to this. I just can't figure it out. I have written a site that uses ASP.NET MVC Web API and all working nicely until I put it on staging server. The site works fine on my local machine and the dev web server. Both dev and staging servers are Win Server 2008 R2. The problem is this: basically the site works, but there are some API calls that use the HTTP PUT method. These fail on staging returning a 404, but work fine elsewhere. The first problem that I came across and fixed was in Request Filtering. But still getting the 404. I have turned on tracing in IIS and get the following problem. 168. -MODULE_SET_RESPONSE_ERROR_STATUS ModuleName IIS Web Core Notification 16 HttpStatus 404 HttpReason Not Found HttpSubStatus 0 ErrorCode 2147942402 ConfigExceptionInfo Notification MAP_REQUEST_HANDLER ErrorCode The system cannot find the file specified. (0x80070002) The configs are the same on dev and staging, matter of fact the whole site is a direct copy. Why would the GETs and POSTs work, but not the PUTs? Thanks Greg

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• Exchange server intermittently not receiving or delivering emails to a few addresses?

  - by Gary Willoughby

  This is a strange problem. We are using an Exchange 2007 server to handle the emails to and from the company. There are two main problems which are probably related. None of our mails sent to one single customer are ever received. When we send any type of mail to one particular customer, they never get it. We have confirmed the address and tried to send more to other mail addresses on the same domain and they still don't receive it. No error (email or otherwise) is ever issued. (Domain related? Blacklisted?) Sometimes (intermittently) a mail sent to our company (can be any address on our domain) is never received. I tried this the other day from home and sent a mail to my work address. It was never received. But then a day later i sent another and it was received fine (so the mail address is fine). No error (email or otherwise) is ever issued. Any ideas where to start looking for causes?

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• Differing packages between Ubuntu 9.04 and 9.10

  - by bergyman

  So I've been playing around with VirtualBox and both of the above Ubuntu versions and I've noticed that there are some differences between the available packages when doing a apt-cache search <package>. Some of these I'm sure are obvious, as they potentially only work on their respective systems. But I've noticed specifically several ruby packages differ. So my question is whether or not there's a way to get some of the ruby packages (ruby1.9.1-full for example) which only seem to be available on 9.10 (yup, I did a sudo apt-get update on both 9.10 and 9.04) on my 9.04 system? Is there a way I can just do a kernel upgrade on 9.04, or whatever else may be needed in order to get at these more recent packages?

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• SQL Server: Is it possible to prevent SQL Agent from failing a step on error?

  - by franklinkj

  I have a stored procedure that runs custom backups for around 60 SQL servers (mixes 2000 through 2008R2). Occasionally, due to issues outside of my control (backup device inaccessible, network error, etc.) an individual backup on one or two databases will fail. This causes this entire step to fail, which means any subsequent backup commands are not executed and half of the databases on a given server may not be backed up. On the 2005+ boxes I am using TRY/CATCH blocks to manage these problems and continue backing up the remaining databases. On a 2000 server however, for example, I have no way to prevent this error from failing the entire step: Msg 3201, Level 16, State 1, Line 1 Cannot open backup device 'db-diff(\PATH\DB-DIFF-03-16-2010.DIF)'. Operating system error 5(Access is denied.). Msg 3013, Level 16, State 1, Line 1 BACKUP DATABASE is terminating abnormally. I am simply asking if anything like this is possible in SQL 2000 or if I need to go in a completely different direction.

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• Linux Tuning for High Traffic JBoss Server with LDAP Binds

  - by Levi Stanley

  I'm configuring a high traffic Linux server (RedHat) and running into a limit I haven't been able to track down. I need to be able to handle sustained 300 requests per second throughput using Nginx and JBoss. The point of this server is to run checks on a user's account when that user signs in. Each request goes through Nginx to JBoss (specifically Torquebox with JBoss A7 with a Sinatra app) and then makes an LDAP request to bind that user and retrieve several attributes. It is during the bind that these errors occur. I'm able to reproduce this going directly to JBoss, so that rules out Nginx at least. I get a variety of error messages, though oddly JBoss stopped writing to the log file recently. It used to report errors about creating native threads. Now I just see "java.net.SocketException: Connection reset" and "org.apache.http.conn.HttpHostConnectException: Connection to http://my.awesome.server:8080 refused" as responses in jmeter. To the best of my knowledge, I have plenty of available file handles, processes, sockets, and ports, yet the issue persists. Unfortunately, I have very little experience tuning servers. I've found a couple useful documents - Ipsysctl tutorial 1.0.4 and Linux Tuning - but those documents are a bit over my head (and just entering the the configuration described in Linux Tuning doesn't fix my issue. Here are the configuration changes I've tried (webproxy is the user that runs Nginx and JBoss): /etc/security/limits.conf webproxy soft nofile 65536 webproxy hard nofile 65536 webproxy soft nproc 65536 webproxy hard nproc 65536 root soft nofile 65536 root hard nofile 65536 root soft nproc 65536 root hard nofile 65536 First attempt /etc/sysctl.conf sysctl net.core.somaxconn = 8192 sysctl net.ipv4.ip_local_port_range = 32768 65535 sysctl net.ipv4.tcp_fin_timeout = 15 sysctl net.ipv4.tcp_keepalive_time = 1800 sysctl net.ipv4.tcp_keepalive_intvl = 35 sysctl net.ipv4.tcp_tw_recycle = 1 sysctl net.ipv4.tcp_tw_reuse = 1 Second attempt /etc/sysctl.conf net.core.rmem_max = 16777216 net.core.wmem_max = 16777216 net.ipv4.tcp_rmem = 4096 87380 16777216 net.ipv4.tcp_wmem = 4096 65536 16777216 net.core.netdev_max_backlog = 30000 net.ipv4.tcp_congestion_control=htcp net.ipv4.tcp_mtu_probing=1 Any ideas what might be happening here? Or better yet, are there some good documentation resources designed for beginners?

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• Active Directory Partition Error

  - by BLAKE

  Right now my active directory is failing a dcdiag test. I can find no info online about this error. When I run dcdiag /test:crossrefvalidation, I get the output: .... Doing primary tests Testing server: Default-First-Site-Name\ad01 Running partition tests on : ForestDnsZones Starting test: CrossRefValidation ......................... ForestDnsZones passed test CrossRefValidation Running partition tests on : DomainDnsZones Starting test: CrossRefValidation ......................... DomainDnsZones passed test CrossRefValidation Running partition tests on : Schema Starting test: CrossRefValidation ......................... Schema passed test CrossRefValidation Running partition tests on : Configuration Starting test: CrossRefValidation ......................... Configuration passed test CrossRefValidation Running partition tests on : mydomain Starting test: CrossRefValidation ......................... mydomain passed test CrossRefValidation Running partition tests on : t Starting test: CrossRefValidation This cross-ref has a non-standard dNSRoot attribute. Cross-ref DN: CN=a3a24d3a-4782-460b-9148-86ac2d86b9ae,CN=Partitions,CN=Configuration, DC=mydomain,DC=com nCName attribute (Partition name): DC=t Bad dNSRoot attribute: dc01.mydomain.com Check with your network administrator to make sure this dNSRoot attribute is correct, and if not please change the attribute to the value below. dNSRoot should be: t It appears this partition (DC=t) failed to get completely created. This cross-ref (CN=a3a24d3a-4782-460b-9148-86ac2d86b9ae,CN=Partitions,CN=Configurat ion,DC=mydomain,DC=com) is dead and should be removed from the Active Directory. ......................... t failed test CrossRefValidation .... I used LDP from the windows support tools. I searched for the dnsRoot attribute in "cn=partitions,cn=configuration,dc=mydomain,dc=com", with the filter "(&(objectcategory=crossref)(systemFlags:1.2.840.113556.1.4.803:=5))" I got the result: ***Searching... ldap_search_s(ld, "cn=partitions,CN=Configuration,DC=mydomain,DC=com", 1, "(& (objectcategory=crossref)(systemFlags:1.2.840.113556.1.4.803:=5))", attrList, 0, &msg) Result <0>: (null) Matched DNs: Getting 3 entries: >> Dn: CN=65502be3-fc90-442a-83d8-4b3b91e82439,CN=Partitions,CN=Configuration,DC=mydomain,DC=com 1> dnsRoot: ForestDnsZones.mydomain.com; >> Dn: CN=a3a24d3a-4782-460b-9148-86ac2d86b9ae,CN=Partitions,CN=Configuration,DC=mydomain,DC=com 1> dnsRoot: ad01.mydomain.com; >> Dn: CN=f0ef5771-6225-4984-acd9-c08f582eb4e2,CN=Partitions,CN=Configuration,DC=mydomain,DC=com 1> dnsRoot: DomainDnsZones.mydomain.com; It looks like the bad partition has the name of my first domain controller 'ad01.mydomain.com'. I have googled for a while and have not been able to find any help or documentation about application partitions in Active Directory. Does anyone have any advice on how to cleanup this partition (or what the partition is for)? Does anyone know the repercussions for deleting this partition?

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• Migrated Virtual Machine Shows Up in Both Datastores

  - by Backstage

  Hi, We're using Vsphere client 4.0.0 Build 208111 with Virtual Center Server same version and same build. I have one vm with only one disk that is shown on 2 different datastores. If I look through VMs and Templates I see only 1 vm. If I look through Datastores screen, I see it in datastore-002 and datastore-003. If I go to settings of the virtual machine on datastore-002 and check the disk, I see the path as datastore-003. How can I fix this ?

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• not able to mount media to ESX 4.0

  - by jack8138

  Hi, I have ESX 4.0 running on NEC Express 5800 R-120a model. I have 2 VMs running windows XP. I am not able to mount any media to it. When I try connecting the local media to the VM, the error message comes mentioning "a connection to the host could not be established.: I have checked and there is no network issue. ESX is accessible fine. Any help would be greatly appreciated. Besides, I have opened almost all the ports in the firewall just to make sure there is no port conflict.

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• Expert iptables help needed?

  - by Asad Moeen

  After a detailed analysis, I collected these details. I am under a UDP Flood which is more of application dependent. I run a Game-Server and an attacker is flooding me with "getstatus" query which makes the GameServer respond by making the replies to the query which cause output to the attacker's IP as high as 30mb/s and server lag. Here are the packet details, Packet starts with 4 bytes 0xff and then getstatus. Theoretically, the packet is like "\xff\xff\xff\xffgetstatus " Now that I've tried a lot of iptables variations like state and rate-limiting along side but those didn't work. Rate Limit works good but only when the Server is not started. As soon as the server starts, no iptables rule seems to block it. Anyone else got more solutions? someone asked me to contact the provider and get it done at the Network/Router but that looks very odd and I believe they might not do it since that would also affect other clients. Responding to all those answers, I'd say: Firstly, its a VPS so they can't do it for me. Secondly, I don't care if something is coming in but since its application generated so there has to be a OS level solution to block the outgoing packets. At least the outgoing ones must be stopped. Secondly, its not Ddos since just 400kb/s input generates 30mb/s output from my GameServer. That never happens in a D-dos. Asking the provider/hardware level solution should be used in that case but this one is different. And Yes, Banning his IP stops the flood of outgoing packets but he has many more IP-Addresses as he spoofs his original so I just need something to block him automatically. Even tried a lot of Firewalls but as you know they are just front-ends to iptables so if something doesn't work on iptables, what would the firewalls do? These were the rules I tried, iptables -A INPUT -p udp -m state --state NEW -m recent --set --name DDOS --rsource iptables -A INPUT -p udp -m state --state NEW -m recent --update --seconds 1 --hitcount 5 --name DDOS --rsource -j DROP It works for the attacks on un-used ports but when the server is listening and responding to the incoming queries by the attacker, it never works. Okay Tom.H, your rules were working when I modified them somehow like this: iptables -A INPUT -p udp -m length --length 1:1024 -m recent --set --name XXXX --rsource iptables -A INPUT -p udp -m string --string "xxxxxxxxxx" --algo bm --to 65535 -m recent --update --seconds 1 --hitcount 15 --name XXXX --rsource -j DROP They worked for about 3 days very good where the string "xxxxxxxxx" would be rate-limited, blocked if someone flooded and also didn't affect the clients. But just today, I tried updating the chain to try to remove a previously blocked IP so for that I had to flush the chain and restore this rule ( iptables -X and iptables -F ), some clients were already connected to servers including me. So restoring the rules now would also block some of the clients string completely while some are not affected. So does this mean I need to restart the server or why else would this happen because the last time the rules were working, there was no one connected?

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• Need help on awk/sed/ perl pattern with regex / grep

  - by Jayakumar K

  Sample file output from grep file1:my $dbh = DBI->connect("dbi:mysql:$database_name", $DB_USER, $DB_PASSWD) file2:($dbc,$rc) = mysql_connect($mysql_host,$mysql_user,$mysql_password); The awk pattern should get values databasename, DB_USER And DB_PASSWD from line 1 and mysql_host,mysql_user and mysql_password from line 2 i.e all variables inside the function. Then it should search for the declaration of that variable in file before : (semicolon) ex: databasename in file1 may be $databasename = "dbweb" ; ex: mysql_user in file2 may be $mysql_user="root" ; Result: It should display variable declarations of all 6 variables along with filenames file2:$mysql_host = "db1"; file2:$mysql_user = "root"; file1:$DB_USER = 'user';

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• Treat Directories as Files in IIS

  - by Voulnet

  Hello, some files on Mac OS X (such as .bundle or .mpkg) are considered directories in Windows, but can be used as files on Mac OS X (if you double-click them on Mac OSX, they execute for example), so the problem I have is that I want Mac users to download a .mpkg file from my server, but the problem is IIS considers it a directory and therefore you can't download it. How can I let IIS treat this .mpkg as a file instead of a directory? Thanks!

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• Worth it to move /var to physical disk vs logical?

  - by Tammer Ibrahim

  Brief question about partition layout. I use an SSD for /, /boot, /usr, & /home partitions. I'd like to move /var to a mechanical disk to minimize writes to the SSD. I'm mainly concerned about maximizing drive life rather than maximizing performance (although I obviously wouldn't want to cripple my server). My mechanical disks consist of two drives sharing LVM, and a third used for nightly rsync backups. I also have a bunch of old 2.5in hard disks lying around. My question is, should I simply create a new LVM volume '/var' on my primary data store, or would it be worth the increased energy consumption (in terms of maximizing the lifetime of the LVMed drives) to install a low volume 2.5in disk to use just for /var? On a more general level my question is about the trade offs of placing OS mounts on the same physical volumes as my data. Thanks for any help!

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• In Zabbix how to zero data when it doesn't comes?

  - by Jader Dias

  If a variable is expected to be fetched every minute, and it doesn't happen, the graph shows the last known value for all the timespan until the next known value. The expected behavior for me is that the graph showed no line, or a line next to the zero, where there is no data. How to achieve this with Zabbix?

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• How to change System Locale in Windows 2003 using command line.

  - by Mudiali

  Is there any command line utility to change the system locale in Windows 2003?

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• Online email tracing system

  - by Clint

  About 2 years ago I came across an online tool that would allow you to append something to the end of a destination email address. When the email was opened, the tool would email you their geographical location. Does anyone know anything about this tool? If it still exists?

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• One Comcast Business Gateway, One Router, Two Web Servers

  - by Kevin Scheidt

  I have a Comcast business account with a router and a web server (info) attached. behind the router there are multiple computers and a second web server (info) which also serves as a file server. (info) has two nics in it. One direct to comcast and one connected to the router. It needs to serve the world it's websites. It needs however, to also be able to see all the internal computers and (com)'s served files. With just 1 nic (the one connected to the router, not comcast), (info) works fine but no one outside can see it. (com) services port 80 and (info) needs to handle port 80 as well. I have two domain names registered, and 5 static ip's from comcast. right now h t t p: / /www.graceamazing.com handled by (com) works fine and h t t p: / /www.graceamazing.com:1307 handled by (info) works fine. but as soon as I enable the 2nd nic in (info) h t t p: / /www.graceamazing.info runs extremely slow (Horribly slow). however, h t t p: / /www.graceamazing.com:1307 and .com work fine. (com) has an ip address via the router 70.89.233.41 (info) has a ip addy of 70.89.233.46 via comcast (2nd nic) and a internal ip of 192.168.x.100 via static behind the router. Any suggestions or changes to make that will make h t t p: / /www.graceamazing.info perform with the same speed it has when going through h t t p: / /graceamazing.com:1307 is there a setting I should check / could have misssed?

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• Unstable DNS with bind

  - by yasser abd

  we have a Centos machine called jupiter, on which I have installed bind9, On every other machine the DNS is set to be the IP address of jupiter (192.168.2.101), as you can see in the output of the following command in windows >ipconfig /all Windows IP Configuration Host Name . . . . . . . . . . . . : mypcs Primary Dns Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Hybrid IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Broadcom NetXtreme 57xx Gigabit Controller Physical Address. . . . . . . . . : 00-1A-A0-AC-E4-CC DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::c16d:3ae4:5907:30c4%8(Preferred) IPv4 Address. . . . . . . . . . . : 192.168.2.98(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Lease Obtained. . . . . . . . . . : Thursday, September 20, 2012 10:26:11 AM Lease Expires . . . . . . . . . . : Sunday, September 23, 2012 10:26:10 AM Default Gateway . . . . . . . . . : 192.168.2.1 DHCP Server . . . . . . . . . . . : 192.168.2.1 DHCPv6 IAID . . . . . . . . . . . : 201333408 DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-3A-50-01-00-1A-A0-AC-E4-CC DNS Servers . . . . . . . . . . . : 192.168.2.101 192.168.2.1 192.168.2.1 NetBIOS over Tcpip. . . . . . . . : Enabled All machines can always nslookup one of the domain (mydomain.com) that is set in the jupiter's DNS server, you can see that in the output of nslookup on the same windows machine: >nslookup mydomain.com Server: UnKnown Address: 192.168.2.101 Name: mydomain.com Address: 192.168.2.100 The problem is, sometimes mydomain.com can not be pinged, here is the output of the ping on the same windows machine >ping mydomain.com Ping request could not find host mydomain.com. Please check the name and try again. This looks very random, and happens once in a while, so the machine can lookup the DNS records but can't ping it, nor can browse the website that is hosted on mydomain.com, which should resolve to 192.168.2.100 On a linux machine that has the same DNS settings, the output of dig command for mydomain is as follows: $ dig mydomain.com ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.2 <<>> mydomain.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 36090 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1 ;; QUESTION SECTION: ;mydomain.com. IN A ;; ANSWER SECTION: mydomain.com. 86400 IN A 192.168.2.100 ;; AUTHORITY SECTION: mydomain.com. 86400 IN NS jupiter. ;; ADDITIONAL SECTION: jupiter. 86400 IN A 192.168.2.101 ;; Query time: 1 msec ;; SERVER: 192.168.2.101#53(192.168.2.101) ;; WHEN: Thu Sep 20 16:32:14 2012 ;; MSG SIZE rcvd: 83 We've never had the same problem on MACs, they always resolve mydomain.com Here is how I have defined mydomain.com on Bind9's configs on Jupiter, notice that the name of the machine on 192.168.2.100 is venus, so I have this file: /var/named/named.venus: $TTL 1D @ IN SOA jupiter. admin.ourcompany.com. ( 2003052800 ; serial 86400 ; refresh 300 ; retry 604800 ; expire 3600 ; minimum ) @ IN NS jupiter. @ IN A 192.168.2.100 * IN A 192.168.2.100 /var/named/zones/named.venus.zone zone "mydomain.com" IN {type master;file "/var/named/named.venus";allow-update {none;};}; One thing to note is that I haven't defined reverse DNS lookups, only the forward DNS lookups are defined in Bind9 configs, not sure if that's relevant or not. So my question is, why is this being so unstable? what could be the cause?

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• Original sender is not correctly identified when spam is forwarded

  - by Stephan Burlot

  I have a forwarding rule with Postfix that forwards all messages to my main email address. When a spam message is sent to one of my emails, it is forwarded but the sender is shown as being the forwarding domain, not the spammer's domain. Real example: mywebsite.com is hosted on Linode. [email protected] sends an email to [email protected] the mail is forwarded to [email protected] my email hosting (anotherwebsite.com) sees it's spam and sends a message to [email protected] and Linode reports a TOS violation. I have modified my postfix settings so I now use RBL, but if a message goes through, it may happen again. How can I prevent this to happen again? Is there some settings to change on Postfix so the original sender is correctly identified? Thanks Stephan EDIT: The steps I did to prevent this to happen again are: Add RBL checking to Postfix Add postgrey to Postfix And finally fix the MX record which was incorrect. I checked with a test email on Spamcop.net and the original sender is correctly identified.

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• Trouble getting FTP login to work in IIS6

  - by Frank Rosario

  Hello all, I'm trying to setup an FTP site for one of my clients to pickup files from us using IIS6. I've created the FTP site, have set to not isolate users (not necessary as FTP will be read only with authentication). Here's the problem. The FTP is to be password protected, so I turned of anonymous access on the FTP site. I then created a ftpuser account on the machine, and gave it read and browse directory permissions on the ftp's root directory. However, when I go to test the ftpuser login, I get a 530 "ftpuser cannot login" error. However, if I browse to same directory over HTTP (anonymous access turned off as well) and enter the ftpuser login info, I can download files and browse directories successfully. Why is the ftpuser working over HTTP but not FTP? Shouldn't I be able to login over FTP with the ftpuser login information I just created? Thanks in advance, - Frank

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• Building optimal custom machine for Sql Server

  - by Chad Grant

  Getting the hardware in the mail any day. Hardware related to my question: x10 15.5k RPM SAS Segate Cheetah's x2 Adaptec 5405 PCIe Raid cards Motherboard has integrated SAS raid. Was thinking I would build 2 RAID 10 arrays one for data and one for logs The remaining 2 drives a RAID 0 for TempDB Will probably throw in a drive for OS. Does putting the Sql Server application / exe's on a raid make a difference and is there any impact of leaving the OS on a relatively slow disk compared to the raid arrays? I have 5/6 DBs combined < 50 gigs. With a relatively good / constant load. Estimating 60-7% reads vs writes. Planning on using log shipping as well if that matters. Any advice or suggestions?

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• SQL Server 2005 standard filegroups / files for performance on SAN

  - by Blootac

  Ok so I've just been on a SQL Server course and we discussed the usage scenarios of multiple filegroups and files when in use over local RAID and local disks but we didn't touch SAN scenarios so my question is as follows; I currently have a 250 gig database running on SQL Server 2005 where some tables have a huge number of writes and others are fairly static. The database and all objects reside in a single file group with a single data file. The log file is also on the same volume. My interpretation is that separate data files should be used across different disks to lessen disk contention and that file groups should be used for partitioning of data. However, with a SAN you obviously don't really have the same issue of disk contention that you do with a small RAID setup (or at least we don't at the moment), and standard edition doesn't support partitioning. So in order to improve parallelism what should I do? My understanding of various Microsoft publications is that if I increase the number of data files, separate threads can act across each file separately. Which leads me to the question how many files should I have. One per core? Should I be putting tables and indexes with high levels of activity in separate file groups, each with the same number of data files as we have cores? Thank you

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• why is mailgraph not updating ?

  - by jack

  I just installed mailgraph on a Linux Ubuntu 10.04 box monitoring Postifix. Everything seems to be working fine, but the graphs are not always updating. When I refresh the web page or close the browser and come back later, the graph updates and moves to the left, showing new time, the the data line is not drawn. Sometimes it does not update for several hours. I had started, stopped and restarted mailgraph-init and that doesn't seem to make a difference. Any ideas?

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• Unable to restore from Shadow Copy due to long filename

  - by Spongeboy

  We have shadow copy enabled on our Windows SBS 2008 server. Attempting to restore a file from shadow copy gave the following error- The source file name(s) are larger than is supported by the file system. Try moving to a location which has a shorter path name, or try renaming to shorter name(s) before attempting this operation. The filename has 67 characters, and it's shadow copy path is 170 characters. These seem to be under the NTFS limits (260?). We tried- Copying to the shortest path possible (C:) Copying to the shortest path possible on both a client computer and the server itself Is it possible to rename files in a shadow copy, before doing the copy? Any idea why the error is appearing despite the filename size appearing to be within limits?

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