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• How to interrupt software raid resync?

  - by Adam5

  I want to interrupt a running resync operation on a debian squeeze software raid. (This is the regular scheduled compare resync. The raid array is still clean in such a case. Do not confuse this with a rebuild after a disk failed and was replaced.) How to stop this scheduled resync operation while it is running? Another raid array is "resync pending", because they all get checked on the same day (sunday night) one after another. I want a complete stop of this sunday night resyncing. [Edit: sudo kill -9 1010 doesn't stop it, 1010 is the PID of the md2_resync process] I would also like to know how I can control the intervals between resyncs and the remainig time till the next one. [Edit2: What I did now was to make the resync go very slow, so it does not disturb anymore: sudo sysctl -w dev.raid.speed_limit_max=1000 taken from http://www.cyberciti.biz/tips/linux-raid-increase-resync-rebuild-speed.html During the night I will set it back to a high value, so the resync can terminate. This workaround is fine for most situations, nonetheless it would be interesting to know if what I asked is possible. For example it does not seem to be possible to grow an array, while it is resyncing or resyncing "pending"]

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• heavy load on mysql

  - by payal

  i have dedicated server with very good configuation like 16 gb ram etc but i am facing heavy load from mysql i am running a music wesbite however only one database is running and 5-10 pages are only running.when i click on whm show processlist it shows only 2-3 processes However whm load is always less than one but when i click on whm load it shows 20% of cpu usage by mysql and after some time it starts saying can not connect to mysql . mysql server has gone away 1691 (Trace) (Kill) mysql 0 19.2 2.7 /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --log- error=/var/lib/mysql/server.xyz.com.err --pid-file=/var/lib/mysql/server.xyz.com.pid i have tested static pages they are coming blezing fast but all dynamic pages which are using mysql is coming damn slow it takes years to open.. my.conf file is [mysqld] key_buffer = 1536M max_allowed_packet = 1M max_connections = 250 max_user_connections = 15 wait_timeout=40 connect_timeout=10 table_cache = 512 sort_buffer_size = 2M read_buffer_size = 2M read_rnd_buffer_size = 8M myisam_sort_buffer_size = 64M thread_cache_size = 8 query_cache_size = 32M server-id = 14 old-passwords = 1 [mysqldump] quick max_allowed_packet = 16M [mysql] no-auto-rehash [myisamchk] key_buffer = 256M sort_buffer_size = 256M read_buffer = 2M write_buffer = 2M [mysqlhotcopy] interactive-timeout ihave checked log error file it says nothing.i have increased maximum connnection also to 1000 but still same problem is there .if i disconnect that one databasejust by changing the name of database i can see withing half hour the load of server and mysql goes down to negliglble .i have tested everything and if there are some query which can cause heavy load to server can you please list which type of query can cause heavy load on server then also for 5-10 pages it will never cause that much heavy load. i have seen server with 500 websites but was working just fine.

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• heavy load on mysql

  - by payal

  i have dedicated server with very good configuation like 16 gb ram etc but i am facing heavy load from mysql however only one database is running and 5-10 pages are only running. However whm load is always less than one but when i click on whm load it shows 20% of cpu usage by mysql and after some time it starts saying can not connect to mysql . mysql server has gone away 1691 (Trace) (Kill) mysql 0 19.2 2.7 /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --log- error=/var/lib/mysql/server.xyz.com.err --pid-file=/var/lib/mysql/server.xyz.com.pid i have tested static pages they are coming blezing fast but all dynamic pages which are using mysql is coming damn slow it takes years to open.. ihave checked log error file it says nothing.i have increased maximum connnection also to 1000 but still same problem is there .if i disconnect that one databasejust by changing the name of database i can see withing half hour the load of server and mysql goes down to negliglble .i have tested everything and if there are some query which can cause heavy load to server can you please list which type of query can cause heavy load on server then also for 5-10 pages it will never cause that much heavy load. i have seen server with 500 websites but was working just fine.

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• Periodic internet connection drops

  - by sterlingholt

  My setup is a dsl modem, and a dlink di 524M router. I'm also using a Witopia VPN which runs through OpenVPN. I've been having trouble with the internet connection dropping very frequently. It comes back shortly, without even a router/modem/computer restart. This happens as frequently as every ten minutes. Occasionally (not often) it will last as long as an hour or two without dropping. When it drops, I can get it back almost immediately by clicking Reconnect in the OpenVPN GUI and letting that do it's thing. It's worth noting that I'm in China. Calling support is a bit difficult because of that. Also I don't really understand all of the router's software, although I've got it generally figured out. I've tried a bunch of stuff, attempts to diagnose and/or fix the problem. No success with any of the following: I've power cycled both the modem and the router. I've tried an ethernet connection to the router. I've connected without the VPN. I've disabled IEEE authentication on all connections. I've checked for viruses. I've tried lifting it off the ground so as to prevent overheating.

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• Folder redirection GPO doesn't seem to be working

  - by user57999

  I've been trying to set up roaming profiles and folder redirection, but have hit a bit of a snag with the latter. This is exactly what I've done so far: (I have OU permissions and GPO permissions over my division's OU.) Created a group called Roaming-Users in the OU 'Groups' Added a single user (testuser) to the group Using the Group Policy Management tool (via RSAT on Windows 7) I right-clicked on the Groups OU and selected 'Create a GPO in this domain, and Link it here' Added my 'Roaming-Users' group to the Security Filtering section of the policy. Added the Folder Redirection option, specifically for Documents. It is set to redirect to: \myserver\Homes$\%USERNAME%\Documents (Homes$ exists and is sharing-enabled). Right-clicked on the policy under the Groups OU and checked Enforced. Logged into a machine as testuser successfully. Created a simple text file, saved some gibberish, logged off. Remoted into the server with Homes$ on it, noticed that the directory Homes$\testuser was created, but was empty. No text file to be found. From what I've read, I did everything I aught to...but I can't quite figure out the issue. I had no errors when I logged off about syncing issues (offline files is enabled) or anything, so I can only imagine my file should have ended up up on the share. Any ideas? EDIT: Using gpresult /R, I confirmed the user is in fact part of the Roaming-Users group, but does not have the policy applied, if that helps. EDIT 2: Apparently you can't apply GPOs to groups...so I applied to users and used the same security filter to limit it to my test user. Nothing happens as far as redirection goes, but I now have the following error in the event log: Folder redirection policy application has been delayed until the next logon because the group policy logon optimization is in effect

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• SSH attack CentOS Amazon EC2

  - by user37143

  Hi, I run a few Rightscale CentOS AMI based instances on Amazon EC2. Two months back I found that our SSHD security is compromised( I had added host.allow and host.deny for ssh). So I created new instances and done an IP based ssh that allows only our IPs through AWS Firewall(ec2-authorize) and chnaged the ssh 22 default port to some other port but two days back I found I was not able to login to the server and when I tried on 22 port the ssh got connected and I found that sshd_conf was changed and when I tried to edit sshd_config I found root had no write permission on the file. So I tried a chmod and it said access denied for 'root' user. This is very strange. I checked secure log and history and found nothing informative. I have PHP, Ruby On Rails, Java, Wordpress apps running on these server. This time I did a chkrootkit scan and found nothing. I renamed the /etc/ssh folder and reinstalled openssh through yum. I had faced this on 3 instances on CentOS(5.2, 5.4) I have instances on Debian as well those working fine. Is this a CentOS/Rightscale issue. Guys, what security measures I should take to prevent this. Please support me this is very critical. Thanks

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• SSL connection error for only one site (of many) on server

  - by Matt Lacey

  I have a server running many websites, each with SSL. One of the sites is now refusing connections over SSL. This was previously working and I'm looking for assistance in determining what has been changed. Here's the situation: http://site1.com/ - works https://site1.com/ - works http://site2.com/ - works https://site2.com/ - Doesn't work (but did previously) Both sites are on the same server (Win Server 2003 SP2 - IIS6) Both sites use certificates from the same authority and are both valid (according to IIS). As far as I can tell, both sites have certificates configured identically in IIS. (Checked by a manual/visual check of properties, side by side) Through use of OpenSSL I can see that there's a "ssl handshake failure" when trying to connect to site2 using https. What could be the cause of this? How can I investigate further? Without SSL connections being available to this site, users are unable to log in or register. :( disclaimer: I'm not a server admin and not responsible for the box. Yes, there are wider issues here but I need to get this working again first.

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• Google Contacts/Calendars + Address Book + iCal: built-in sync (problems) or Exchange sync?

  - by jtbandes

  (I've looked at a few other questions related to this, but I've only found old questions with people saying that they're having problems, or anticipating Snow Leopard fixing them; no recent updates.) I'm looking to sync my Google Contacts & Calendars, and Gmail, with my Mac & iPhone. The iPhone I have currently set up thus: IMAP for Mail Exchange (Google Sync) for Contacts & Calendars The Mac: Address Book: built-in sync iCal: CalDAV, configured as a Google account I haven't been syncing Gmail to Apple Mail, because I was having weird IMAP glitches every so often that just got to annoying. Will Exchange / Google Sync work for this at all? Any suggestions there? Here are the other problems I'm having. Address Book only syncs certain fields (for example, Birthdays don't sync at all). I believe this is a list of the information that's synced. Address Book's "Synchronize with Google" checkbox doesn't stay checked when I quit Address Book. I think iCal is working fine, for the most part. Any suggestions on how to improve this setup? Why doesn't Address Book / Google Contacts sync stay enabled? Could I use Exchange for it like I am on the iPhone? Will that sync all the fields, including Birthdays, etc.? Thanks in advance!

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• Strange Internet Connection issues

  - by Nodren

  I'm attempting to troubleshoot problems with a laptop computer(HP 8510w) while it's connected to a server of mine via Remote Desktop. I double checked all the settings on the win2k3 server for remote desktop to verify that remote desktop isn't what's causing the disconnect issues, and other people using different computers/laptops can all connect to remote desktop correctly with no issues. These problems happen specifically when the laptop is connected via wifi(several different wifi sources, so it's not an ISP issue) as well as connected via a Verizon data card. However there's no network downtime when the laptop is resting in the docking station and plugged into the network with the remote desktop server. These problems have also only recently occurred since a recent hard drive failure in which a new hard drive was purchased and the laptop had a fresh install of windows xp professional. There's no special software used on this machine, just office 2003. So my question is, what could cause two types of internet access to fail while other types do not? If it is infact related to the win2k3 server, why is this particular laptop getting disconnected when others are not and are all on at the same time?

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• Drupal 7: One-time user account

  - by Noob

  I'm going to create a survey in Drupal 7 with the webform module, installed on a debian system which may be adapted in every way. The users (personally known, approx. 120) doing that survey will walk into a room and complete the survey in browsers on different computers. After that, they'll leave the room and other persons will enter, complete the survey on the same computers and so on. Each user may enter only one submission. The process needs to be anonymous, i. e. I mustn't have any idea of who did wich submission. My current solution is to generate random one-time-passwords and hand out one password per user (without noting who got which password). Within the survey there will be a password field where the one-time-password is entered. The value is checked by webform to be unique. I'll get the data via csv or Excel and verify the passwords manually in excel by comparing them to the list of valid passwords. The problem is: I don't like the idea of manually generating the password list, copying it to excel and doing a manual check. That's a good idea for one-time-use, but we're going to repeat the survey every once in a while. I'd rather generate one-time-logins (like user0001/fdlkjewf, user0002/dfrefnnr, ...) for each survey, hand them out to the users and let drupal/debian/whatever check whether a submission is valid or not. Do you have any idea how to batch-generate about 120 users with one-time-passwords in Drupal 7 and verify that each user may submit the form only once? Do you even have a better idea how to accomplish the task within the intranet? Thank you for your help.

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• Password Authentication Fails - NTLMv2

  - by JMeterX

  Environment: Windows 2000 sp4 EDIT: Domain Controller with no trust setup with the Win2008 Server Windows XP machines Windows 2008 Server Netapp NAS Problem: We have a shared folder that resides on a NAS using a Windows 2008 AD for the authentication with the proper permissions setup. When the Windows 2000 machine tries to open the share residing on the Win2008 machine, it is prompted for a username and password. Upon entering the credentials it continuously re-asks for credentials. Important Details: The Windows 2000 machine can ping both the XP machines and the Windows 2008 Server The Windows 2008 machine is mandated to only use NTLMv2 The Windows 2000 machine was originally set to NTLM but was recently switched to NTLMv2 if negotiated for the purpose of trying to connect to the share. As I am sure it will come up, we are using Windows 2000 because of contractual obligations Questions: Why is password Authentication failing in this case? After setting a GPO for the Win2000 machine for it to use NTLMv2, do we need to reboot the machine for the changes to take affect? We used SECEDIT to update the GPOs without rebooting. UPDATE We checked both of the 2008 Domain Controllers to find an error code. We received: Microsoft_Auth_Package_V1_0 0xc000006a Event ID: 4776 I know this to be an authentication error via THIS article "The value provided as the current password is not correct" We know this password to be correct, but since these two domains (Win2000 & Win2008) do not have a trust setup what authentication account needs to be used? One that resides on the Win2000 hosted domain?

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• Windows 7 search does not return results from indexed folders

  - by Dilbert

  I am experiencing this issue over and over again and I just cannot seem to find the answer. It doesn't make sense, but search simply does not return results from folders that certainly have these files inside. It's weird that this technology exists for more than 5 years now (it could be added to Windows XP as an addon), and they still haven't got it right. My folder contains 10 image files with .png extensions. Two scenarios: Scenario 1: I exclude the folder using Indexing options. Search works. Scenario 2: I turn on indexing for this folder. Search does not work. Of course, Agent Ransack returns results every time. When I check Advanced options for the Indexing options inside control panel, .png files are checked in the File Types tab, using the "File Properties filter". What's the deal with this? [Edit] To clarify, this doesn't happen with all folders, but does with more than one. For the "problematic" folders, even *.* doesn't return a single result. I found some advice to clear the archive and readonly attributes for all files (doesn't make sense, but hey), but it didn't work. Indexing status in Control panel is: Indexing complete. 100,000 items indexed. Folder is included in the list. File types list contains the .png extension (although it doesn't work with any filter, not even *.*).

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• Strange battery behavior on laptop

  - by EpsilonVector

  My laptop is behaving rather strangely lately, and I was hoping to get some idea as to what may be causing such symptoms. The problem: When charging, very minute or so it loses connectivity with the AC adapter for a split second, and regains it back immediately. When this happens the little light that indicates the computer is plugged in does flicker off and back on, but I checked the adapter by replacing the battery on my laptop, and this indeed solves the problem, so it is probably the battery which is at fault, not the adapter (I also tried to move the adapter's wire around just to make sure it had nothing to do with torn wires). I suppose that the obvious solution is to get a new battery, but as far as battery defects go- this is a rather strange one; it loses connection with the adapter, but still powers the computer, and changing the power setting to a balanced plan (was maximum performance) seem to have solved the problem too. Is there a chance this is not simply the battery, but some kind of other electronic defect? And if not, what can cause it to behave so strangely? PS I tried to recalibrate it- didn't help.

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• Unable to record using Jmeter

  - by krish

  Hi, I am trying to record a http web page using Jmeter 2.3.3 version.I has setup the JMeter proxy and tried, but did n't work. I have followed the below steps. Launch jmeter 2.3.3, added thred group to test plan Under Workbench-add-non-test elements- added HTTP proxy server. proxy server setting are port:9090, target:use recording controller, grouping:donot group samplers, Type:HTTp request and checked the boxes of all under http sampler settings Saved the settings Now in browser(IE 7.0 or firefox 3.0.16), under connection settings, setup the manual proxy settings as local host and port as 9090(no auto detect settings nothing, only manual proxy). Setting saved Now in the jmeter, started the http proxy server. Open a browser and hit the webpage needs to be tested. The page is not opened. In fact because of the changes made in browsers, no pages are opened. Whenever i try hitting a page, the pages are recorded in the Jmeter. but without the page open, how can i test. I looking for an immediate answer and my work is blocked. Immediate answer would be appreciated.

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• XCOPY access denied error on My Documents folder

  - by Ryan M.

  Here's the situation. We have a file server set up at \fileserver\ that has a folder for every user at \fileserver\users\first.last I'm running an xcopy command to backup the My Documents folder from their computer to their personal folder. The command I'm running is: xcopy "C:\Users\%username%\My Documents\*" "\\fileserver\users\%username%\My Documents" /D /E /O /Y /I I've been silently running this script at login without the users knowing, just so I can get it to work before telling them what it does. After I discovered it wasn't working, I manually ran the batch script that executes the xcopy command on one of their computers and get an access denied error. I then logged into a test account on my own computer and got the same error. I checked all the permissions for the share and security and they're set to how I want them. I can manually browse to that folder and create new files. I can drag and drop items into the \fileserver\users\first.last location and it works great. So I try something else to try and find the source of the access denied problem. I ran an xcopy command to copy the My Documents folder to a different location on the same machine and I still got the access denied error! So xcopy seems to be denied access when it tries to copy the My Documents folder. Any suggestions on how I can get this working? Anyone know the reason behind the access denied error?

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• Word Document Turns to Read-Only

  - by Psycho Bob

  I am running into an issue with a user whose Word document is somehow turning itself into Read-Only. The user is using Word 2003 and is accessing a document that is in a Server 2008 share. The document itself starts out as a normal, editable document (user has Full Control permissions), and the user is able to save and do the 'normal' things you would do to a document. However, after a couple of saves, the document turns to Read-Only (according to the title bar) even though the Read-Only attribute is not checked on the document's properties. Here is some additional information about the situation: *User has approximately 5-8 Word documents open at a time *User saves the document frequently (sometimes at a frequency of once per minute) *Once the document is closed it will open as a normal document if reopened *When the document does turn to Read-Only the user will do a "Save As" on the document and save it as FILENAME # where # is some increment of how many times this has happened (some documents are up to their 30th iteration) I understand that there is probably some room for user education here and that they could just be copying the RO document to a new one, closing and opening the RO doc, then copying all the information back. However, I would like to get to the route cause of the problem and try to stop it from happening in the first place. UPDATE: Apparently the reinstall did not fix the issue. I researched the issue a bit more and found that disabling the background save may take care of it, but I haven't had a chance to try it yet. Does anyone else have any other ideas?

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• Set up multiple websites on a local web server

  - by mickburkejnr

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

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• Linux server: Dropped packets

  - by Lars

  I see dropped packets using ifconfig on my eth0 interface: eth0 Link encap:Ethernet HWaddr 00:15:17:0d:03:ca inet addr:10.0.1.2 Bcast:10.0.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:9000 Metric:1 RX packets:30268348 errors:0 dropped:70721 overruns:0 frame:0 TX packets:133076885 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:8699434077 (8.6 GB) TX bytes:194937313025 (194.9 GB) Interrupt:16 Memory:feae0000-feb00000 When i use ethtool -S i dont see anything wrong: NIC statistics: rx_packets: 30267138 tx_packets: 133074510 rx_bytes: 8699356158 tx_bytes: 194934147340 rx_broadcast: 35296 tx_broadcast: 5435 rx_multicast: 0 tx_multicast: 0 rx_errors: 0 tx_errors: 0 tx_dropped: 0 multicast: 0 collisions: 0 rx_length_errors: 0 rx_over_errors: 0 rx_crc_errors: 0 rx_frame_errors: 0 rx_no_buffer_count: 0 rx_missed_errors: 0 tx_aborted_errors: 0 tx_carrier_errors: 0 tx_fifo_errors: 0 tx_heartbeat_errors: 0 tx_window_errors: 0 tx_abort_late_coll: 0 tx_deferred_ok: 0 tx_single_coll_ok: 0 tx_multi_coll_ok: 0 tx_timeout_count: 0 tx_restart_queue: 0 rx_long_length_errors: 0 rx_short_length_errors: 0 rx_align_errors: 0 tx_tcp_seg_good: 5757001 tx_tcp_seg_failed: 0 rx_flow_control_xon: 8649 rx_flow_control_xoff: 62072 tx_flow_control_xon: 0 tx_flow_control_xoff: 0 rx_long_byte_count: 8699356158 rx_csum_offload_good: 30212111 rx_csum_offload_errors: 0 rx_header_split: 10857552 alloc_rx_buff_failed: 0 tx_smbus: 0 rx_smbus: 0 dropped_smbus: 0 rx_dma_failed: 0 tx_dma_failed: 0 I am running Ubuntu 12.04 with kernel 3.2.0-30-generic #48-Ubuntu SMP I have pinged every device on my internal network for about 24 hours, without packet loss. Also checked my router and my interface to the WAN, also no errors there. Does anyone have any clue?

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• linux container bridge filters ARP reply

  - by Dani Camps

  I am using kernel 3.0, and I have configured a linux container that is bridged to a tap interface in my host computer. This is the bridge configuration: :~$ brctl show bridge-1 bridge name bridge id STP enabled interfaces bridge-1 8000.9249c78a510b no ns3-mesh-tap-1 vethjUErij My problem is that this bridge is dropping ARP replies that come from the ns3-mesh-tap-1 interface. Instead, if I statically populate the ARP tables and ping directly everything works, so it has to be something related to ARP. I have read about similar problems in related posts, and I have tried with the solutions explained therein but nothing seems to work. Specifically: ~$ grep net.bridge /etc/sysctl.conf net.bridge.bridge-nf-call-arptables = 0 net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-call-ip6tables = 0 net.bridge.bridge-nf-filter-vlan-tagged = 0 net.bridge.bridge-nf-filter-pppoe-tagged = 0 arptables and ebtables are not installed. iptables FORWARD is all set to accept: Chain FORWARD (policy ACCEPT) target prot opt source destination The bridged interfaces are set to PROMISC: ~$ ifconfig ns3-mesh-tap-1 Link encap:Ethernet HWaddr 1a:c7:24:ef:36:1a ... UP BROADCAST PROMISC MULTICAST MTU:1500 Metric:1 vethjUErij Link encap:Ethernet HWaddr aa:b0:d1:3b:9a:0a .... UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1 The macs learned by the bridge are correct (checked with brctl showmacs). Any insight on what I am doing wrong would be greatly appreciated. Best Regards Daniel

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• Migrate openldap users and groups

  - by user53864

  I have an OpenLDAP server running on one of my ubuntu 8.10 servers. I used command-line only for OpenLdap installation and some basic configurations, everything else I'll configure with the Webmin gui tool. I'm trying to migrate to ubuntu 10.04 and I was able to migrate all other servies, application and databases but not the ldap. I'm an ldap beginner: I have installed OpenLDAP server and client on ubuntu 10.04 server using the link and used the following command to export and import ldap users and groups To export from 8.10 server slapcat > ldap.ldif To import to 10.04 server Stop ldap and slapadd -l ldap.ldif and Start ldap Then I accessed Webmin and checked in Ldap users and groups and I could see all the users and groups of my old ldap server.Whenever I create an ldap user from the webmin(in 8.10 or 10.04) a unix user is also created with the home directory under /home. But the imported users in 10.04 from 8.10 are not present as a unix user(/etc/passwd). How could I make the ldap users available as a unix user, is there any perfect way to export and import?. I also wanted to check the ldap users from the terminal that if password is exported properly but I don't know how to access the ldap users which are not available as unix users. On 8.10, I just use su - ldapuser and it is not working in the 10.04 as unix users are not created for the exported ldap users. If every thing works fine then the CVS works as it is using ldap authentication. Anybody could help me?

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• Windows Server - share files without access for administrator

  - by Pawel

  We have a MS Windows Server 2008 R8 based server that is administrated by our IT department. We would like to achieve two things simultaneously: A folder on the server, containing several thousand files (new files added frequently) that is accessible to some ActiveDirectory users (e.g. board of directors) but is not accessible by IT department employees IT department employees still maintain rights to administrate the server, including installing new software and services We already checked some solutions: Using NTFS access rights. Unfortunately IT (members of "Administrators" group) can set themselves as new owners of the files and change the permissions so that they gain access to the files. Enabling EFS. Unfortunately even if you do not allow IT to access files, they still can disable EFS completely because they have administrative rights. Moreover as far as I know you have to manually add permissions for all users but the owner for each new file - very inconvenient. Creating a new role for the IT department that has all the privileges apart from taking ownership of files. Unfortunately if you're not a member of the Administrators group, you cannot install new software, no matter what privileges you add to the role. TrueCrypt - nice free encryption software, but with poor sharing capabilities. You can either mount an encryption container on the server (and then IT has access to its contents) or you mount them locally but only one user can mount it for writing. AxCrypt - free encryption software that enables file-by-file encryption on the server. There are some disadvantages though - you have to manually encrypt each new file added. The files have their extensions changes. You can only set one password for all files (so all users have to know this one password). Any other ideas? Our budget is limited so enterprise-class software from Symantec or PGP would probably be not an option.

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• Router not connecting to the internet

  - by Peter

  I had a weird problem this morning with my router - it's an Alice Gate VoIP 2 Plus WI-FI - not connecting to the internet after more or less 1 hour online (I'm always connected with the ethernet cable). The led status lights for Power, WI-FI, ADSL, Internet, Service should be on in order to be connected and navigate online. The problem was that the leds ADSL, Internet were off and I did not know why because it never happened before. I looked at the stats in the settings and the numbers for Bytes/Packages for both Sent/Received were there and increasing but I couldn't connect to the internet. I called tech support, they checked and told me to keep the router on for 48 hours because they were checking it. I've reset it twice before and after I called tech support and it still did not work so after about 2 hours of waiting I tried connecting using WI-FI and the leds 'magically' turned on, first the ADSL and Internet(Internet led always turns on last). At this point I'm curious what could of caused this and I'm doubting that the tech-support guys did something. What could of been the problem with the ethernet cable not connecting in the first place? It always works. What do the tech support guys normally do when they tell me to keep the router on so they can 'check it'? PS: I'm using ubuntu 32 bit

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• SSL Connection Error

  - by toffee.beanns

  I have purchased a comodo ssl cert and have submitted the Certificate Signing Request (CSR) generated by my server to the ssl management site. With the 3 files it returned me with, - AddTrustExternalCARoot.crt - PositiveSSLCA2.crt - www_mydomainname_com.crt I have uploaded them to my /etc/ssl/ssl-certs folder and have updated my virtual host in my sites-available and restarted accordingly. NameVirtualHost 107.167.120.195:80 #sample ip address NameVirtualHost 107.167.120.195:443 #sample ip address ......... #normal http virtual host (working well) <VirtualHost 107.167.120.195:443> ServerAdmin [email protected] ServerName mydomainname.com ServerAlias www.mydomainname.com DocumentRoot /var/www/mydomainname SSLEngine on SSLCertificateFile /etc/ssl/ssl-certs/www_mydomainname.com.crt SSLCertificateKeyFile /etc/ssl/ssl-certs/server.key SSLCertificateChainFile /etc/ssl/ssl-certs/PositiveSSLCA2.crt </VirtualHost> I have also enabled ran 'a2enmod ssl' and it's enabled. This is the error I get when I access the webpage https in chrome: SSL connection error Error code: ERR_SSL_PROTOCOL_ERROR Unable to make a secure connection to the server. This may be a problem with the server, or it may be requiring a client authentication certificate that you don't have. I have also checked out my apache log files and there seems to be an error saying that the Common Name (CN) is not the same as the server. RSA server certificate CommonName (CN) `www.mydomainname.com' does NOT match server name!? and Invalid method in request \x16\x03\x01 What should I do?

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• Not able to access external Hard disk

  - by Jash Jacob

  I have a 1TB External Hard drive which I'm currently not able to access. When I open the External drive in Finder, It shows it's empty. When I use the option to "Get Info", I get the dialog box stating it has about 300GB Free. Tried to get into the External Drive using Terminal, I had no luck. Checking in Disk Utility, It showed that I have many number of files but ZERO folder. I tried to "repair disk", in the process the external Drive got unmounted in between the process. I checked this drive on Windows. I was able to open almost all the folders but I wasn't able to copy anything onto the external drive. One folder caused my windows computer to hang, So i connected the drive back onto my MacBook Pro and tried to access the drive through terminal (this time it worked!) and then I tried to delete the folder with rm command, I got an "input/output error" What should i do to recover the files in that folder? How can i access my external drive on my mac

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• Re-installing Windows on an old laptop

  - by Khaled

  I have an old laptop and I want to re-install Windows XP on it. The problem is that this laptop does not have an optical drive. I checked the boot sequence in the BIOS. It does not show an option to boot from USB. It have only two options: Boot from HD. Boot using Realtek agent (network boot). I tried to copy the Windows CD to second drive D:\ and run the installed from there. However, I could not format the C:\ drive. Windows complaints about setup files will be removed or something like that. I tried to boot the laptop using PXE, but I could not. It seems that the DHCP request did not get answered. I thought I could use a USB CD-ROM drive (I don't have one to try), but it might not work as there is no option to boot from USB. Do you think it will work? Do I have other options to try? Any recommendations?

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