Bridge Between 3 Servers But It's Not Working
Nov 20, 2007
I want to setup a bridge between 3 servers but it's not working.
My Setup :
PHP Code:
server1 => eth0 : Plugged into router (internet)
eth1 : Plugged into 3com switch
server2 => eth1 : Plugged into 3com switch
server3 => eth1 : Plugged into 3com switch
server1 is CentOS5. I've done this :
PHP Code:
yum install bridge-utils -y
/usr/sbin/brctl addbr br0
/usr/sbin/brctl addif br0 eth0
/usr/sbin/brctl addif br0 eth1
/sbin/ifconfig eth0 0.0.0.0 up
/sbin/ifconfig eth1 0.0.0.0 up
/sbin/ifconfig br0 xxx.xxx.139.146 netmask 255.255.255.224 up
/sbin/route add default gw xxx.xxx.139.129 br0
I've got a range of IP xxx.xxx.165.176/28 (not configured on server1)
on server2, if I do :
ifconfig eth1 xxx.xxx.165.177 netmask 255.255.255.240
I can't reach the server... got an idea why ? Should be working... ?
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Apr 28, 2008
I have a Cisco 7200 NPE200 routing for my dialup customers. The router has been intermittant for a few months, and eventually wouldn't boot up at all. Finally, I got the finances to replace the RAM.
The router now boots up fine, and I can log in and action things within the router.
I do however get a serious error message, which basically stops the router from functioning. The mesage is: "Unsupported bridge adapter ..." And then "Powering down bridge adapter in bay 5".
This bridge adapter is my ONLY ethernet connection to the router!
I've removed the card and replaced ensuring that it seated correctly, but still nothing.
How much would i be looking at if I had to replace the card? Would I need to change configurations if I do replace it?
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May 10, 2009
i have server
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how can install HP/Java Bridge?
in this link he said install Apache Tomcat
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[url]
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Apr 24, 2008
I have a domain with a few forwarding email accounts that forward to mac.com email accounts... for some reason every once in a while these accounts stop working...
This is the error I get when I email to that account:
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed: ...
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Jan 20, 2007
I have a lot of questions here so if you can't answer them all I understand. even pointing me somewhere where I could get the answers would be appreciated; hardware sites focusing on server hardware, forums focusing on such, etc.
we plan to have three different types of servers:
- db server (self explanatory. mysql. for forums, mysql driven sites.)
- file server (lots of files around ~2-10MB, consistant 70mbps right now, but we want more room for upgrades. needs a LOT of storage room.)
- web server (lots of php files, but also static things like plain html, images, etc. also includes all misc services for the setup-- dns, etc.)
could I be given a rundown for which hardware each of the three should have? I don't need specifics, even just knowing that more ram is important here while cpu doesn't matter as much, or that the fastest disks available are a must, etc would all be valuable info for me. despite that, I certainly wouldn't mind specific hypothetical hardware configs.
for the database server I'm assuming the more ram the better. not entirely sure about the cpu? also not positive on disks...
for the fileserver, how much ram would be practical or useful? disk io will be an issue I'm because plenty of people will be pulling files at once so the disk needs to read from multiple places. scsi (and even raptors) are not an option as we need 750GB+ of space on a reasonable budget. more ram will take some load of of the disks, but how much is neccessary / reasonable?
for the web server I'm assuming cpu first, then ram, but it'll likely need less ram than the db server?
I'm more lost on the disks than anything. scsi on the fileserver is not an option under any circumstances due to $/GB. for the db & web server I'm willing to pay for scsi if the performance increase really does warrant the extra money, but I'd like to be convinced before shelling it out. if you have benchmarks geared at server hardware when it comes to disks I'd really appreciate it.
also, what's the best way to network these together when colocated? each one with a dual gigabit ethernet port and then the communications go to and from the router?
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May 24, 2008
We send mail to another servers but we cant recieve mails another servers. We can't recieve with webmail and outlook.
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[url]
linux cpanel centos 4.6
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Mar 28, 2008
I was wondering if it is possible to cluster 2 web servers and 2 mysql servers with only one server working as load balancer.
I am planning to use LVS (ldirectord and heartbeat).
Let's say I have 3 IPs allocated to the load balancing server.
111.222.111.222 (Main IP)
111.222.111.223 (Web Load Balancing IP)
111.222.111.224 (MySQL Load Balancing IP)
If a connection is made to .223 it would pass the request to one of the web nodes.
If a connection is made to .224 it would pass the request to one of the MySQL nodes.
Is it possible to do this?
If not, can I run, for example, nginx on 223 IP address to provide forward proxy? (Then it would not be able to HA but the main point is to load balance so)
Also, what would be the best way to keep the data same on both web servers? This is a web cluster for a very high traffic forum with a lot of uploads every hour so it has to do real time synchronization. I heard that DRDB is only one way and not two way so I'm not going to be able to use this.
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Oct 11, 2009
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Aug 15, 2008
What would give me the best performance, to have many low end servers (core2duo) or a few high end servers (quad cores, dual quad cores).
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Jul 24, 2007
I have problem,
subdomain.domain.com - not working
www.subdomain.domain.com - working
When I creating new subdomain: subdomain2.domain.com - all working ok, I have problem only with this one domain.
I deleting domain.com, deleting dns zones, deleting account, adding domain to other account - all not working for subdomain.domain.com
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Aug 13, 2008
Is it possible or advisable?
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Jul 13, 2009
I've been working on a script which requires SSL, and in doing so, I've realised that my SSL is playing up for all domains on my server. I receive the error message: "An error occurred during a connection to www.pxlabs.net.au. SSL received a record that exceeded the maximum permissible length. (Error code: ssl_error_rx_record_too_long)".
I am using Apache 2.2 with PHP 5.2.10 along with cPanel/WHM. It used to work, but I assume maybe one of the updates have messed it up? I haven't actually touched anything in the configurations apart from going about the regular updates for cPanel.
I had a look in the httpd.conf, and I can't see any entries for virtual hosts on port 443.
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Aug 9, 2008
Tried to run "yum clean all" or rpm, it's just no working at all. No error in yum log.
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Jan 8, 2008
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When I ran portsentry it added stuff ALL of the time.
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Mar 24, 2007
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after a big mistake, running
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Dec 9, 2007
[root@server apf-0.9.6-2]# /usr/local/sbin/apf -r
eth0: error fetching interface information: Device not found
eth0: error fetching interface information: Device not found
apf(30266): {glob} flushing & zeroing chain policies
apf(30266): {glob} firewall offline
eth0: error fetching interface information: Device not found
apf(30317): {glob} activating firewall
eth0: error fetching interface information: Device not found
eth0: error fetching interface information: Device not found
apf(30379): {glob} unable to load iptables module (ip_tables), aborting.
apf(30317): {glob} firewall initalized
apf(30317): {glob} fast load snapshot saved
Thats what I got right after I installed apf.
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Apr 3, 2007
With my current setup everything works except that the JSP application runs from [rl], but I want to make it work from [url]directly.
Note: /dir is located at c:/www/tomcat5/webapps
So using the virtual host directive, I'm able to redirect http://www.domain.com to /dir, but then the application doesn't work, browser just displays the file contents.
My workers.properties (located at c:/www/apache2/conf/) file looks like this:
Code:
workers.tomcat_home=C:/www/tomcat5/webapps
workers.java_home=c:/www/java
ps=/
worker.list=default
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my mod_jk settings in httpd.conf is:
Code:
#
# Mod_jk settings
#
JkWorkersFile "conf/workers.properties"
JkLogFile "logs/mod_jk.log"
JkLogLevel error
JkMount /dir* default
# End of mod_jk settings
#
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Code:
<VirtualHost www.domain.com>
ServerName www.domain.com
DocumentRoot "c:/www/tomcat5/webapps/v"
CustomLog "c:/www/tomcat5/logs/access/domain.log" combined
</VirtualHost>
Single (default) virtual host entry in server.xml is:
Code:
<Host name="localhost" appBase="webapps"
unpackWARs="true" autoDeploy="true"
xmlValidation="false" xmlNamespaceAware="false">
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Oct 5, 2006
alright so first i used smartftp... and i thought i uploaded everything and when i go to ftp.mydomain.com all the files are there but anytime i actually try to go to mydomain.com, nothing shows up, and i already uploaded my index.htm
i saved everything in an htdocs folder, was i not suppose to do that, or am i still suppose to do something at ftp.mydomain.com? or was i suppose to upload straight to mydomain.com
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Feb 7, 2008
I have CSF installed on one of our server.
CSF dont ban the IP and if manually it is done I get following error.
----------------
csf -d 195.88.65.47
Adding 195.88.65.47 to csf.deny and iptables DROP...
iptables: Index of insertion too big
DROP all opt -- in !lo out * 195.88.65.47 -> 0.0.0.0/0
Error: iptables command [/sbin/iptables -v -I INPUT 2 -i ! lo -s 195.88.65.47 -j DROP] failed, at line 864
-------------------
Also iptables is not running on server.
If status is checked it says its stopped.
I have many sites on my server I dont want to get any downtime.
Please let us know how can we fix this issue as soon as possible.
I have tried reinstall CSF but still the issue remains same.
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Aug 5, 2008
After I start iptables:
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There is not any message coming up.
When use
service iptables status,
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My os is fedora core 6
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Aug 6, 2009
In my VPS (cpanel/WHM) spam mail were sent by using perl scripts ( like darkmailer ) by hackers ,to stop this i have enabled SMTP_BLOCK option in CSF firewall ( by loading ipt_owner module).Eventhough i enabled SMTP_BLOCK option the spam mails were sent using perl script.I got the following alert from CSF :
Executable:
/usr/bin/perl
Command Line (often faked in exploits):
/usr/bin/perl -w test.pl
Network connections by the process (if any):
tcp: xx.xx.xx.xx:60982 -> 94.100.177.1:25
The CSF does't stop the spam mails and so my VPS IP gets listed in email blacklists (like Backscatter.org,SORBS-SPAM),What can i do to stop these spams ?
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Jul 2, 2009
I install mod_cband on apache server running on linux CentOS
I put these directives on the files
/usr/local/directadmin/data/templates/custom/virtual_host2.conf
<VirtualHost |IP|>
ServerName www.|DOMAIN|
ServerAdmin |ADMIN|
DocumentRoot |DOCROOT|
CBandScoreboard /var/www/scoreboard/|DOMAIN|.scoreboard
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Then I echo "action=rewrite&value=httpd" >> /usr/local/directadmin/data/task.queue
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But when I look at the mod_cband status page
why does the Remote clients still have speed more than 728kbps
and the request per sec is also above 15.
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Jul 23, 2008
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All support queries may be placed on our website thru the ticketing system, or by email to support@indyahozting.com, and billing and sales queries may be placed at billig@indyahozting.com and sales@indyahozting.com respectively.".
I tried for renewal of a domain, it is also not done. Sent lot of mails to support@indyahozting.com. I tried to contact Ravi, only one time I contacted him, stating that he is looking for other activities. Unfortunately, a growing company missed a techie and I think the company is going to close. If a hosting company is like this then what to do?
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Mar 1, 2008
i want to know why the swap in the server didn't work he is always 208k used
see my top status
top - 09:41:51 up 4 days, 12 min, 2 users, load average: 2.05, 3.11, 3.33
Tasks: 185 total, 2 running, 181 sleeping, 2 stopped, 0 zombie
Cpu(s): 0.7% us, 1.0% sy, 1.6% ni, 92.4% id, 4.3% wa, 0.0% hi, 0.0% si
Mem: 4148808k total, 4008248k used, 140560k free, 117488k buffers
Swap: 2096440k total, 208k used, 2096232k free, 3016032k cached
cat /etc/fstab
LABEL=/ / ext3 defaults,usrquota 1 1
LABEL=/boot /boot ext3 defaults 1 2
none /dev/pts devpts gid=5,mode=620 0 0
none /dev/shm tmpfs noexec,nosuid 0 0
LABEL=/home /home ext3 defaults,usrquota 1 2
none /proc proc defaults 0 0
none /sys sysfs defaults 0 0
LABEL=/tmp /tmp ext3 defaults 1 2
LABEL=/usr /usr ext3 defaults,usrquota 1 2
LABEL=/var /var ext3 defaults,usrquota 1 2
LABEL=SWAP-sda7 swap swap pri=0,defaults 0 0
/dev/sdb1 /hdd1 ext3 defaults,usrquota 0 0
/tmp /var/tmp ext3 defaults,bind,noauto 0 0
/dev/hdb /media/cdrecorder auto pamconsole,exec,noauto,managed 0 0
/dev/scd0 /media/cdrom auto pamconsole,exec,noauto,managed 0 0
My box
WHM 11.15.0 cPanel 11.18.1-R20683
CENTOS Enterprise 4.6 i686 on standard - WHM X v3.1.0
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