similar to: server mirroring how to

Dear All, I have 2 server with almost identical configuration nd would like to mirror them bascillay i would like to use it as a firewall. i was thinking of linux HA but could not really find clear examples if it could achive my purpose apprecite if someone can help me of any site with examples on how to mirror 2 centos servers so i one fails the other works perfect thanks and really

Dear All, I do have a centos 5 srver running the following. the server is a dell pc with standard config 1 gb ram 120 gb ide hdd 3.2 ghz cpu NIC Mail server Dns Server webmail Mailscanner now i would like to have another server like mirroring this server .. so incase there is any problem with this server the other server is always online and the problem server could be fixed without our users

Dear All, I have Centos 5.1 and sendmail mail server running for over a year and been workin fine i also use mailscanner + clamav now some remote users have been complaing that the mail sometimes time out i have even tried to stop the mail scanner and jus test my sendmail but the problem exists now i would apprecite if someone cd help me or let me know of a link where i could test the mail

Dear All, I am quite new to centos i had installed centos 5.2 to be as a squid proxy server and it was working fine for over a month or so but 3 days back the machine after a reboot jus refused to boot it jus was goin to the grub prompt i wd really apprecite if someone cd help me .. cd i boot from centos boot cd n go to rescue mode and check grub 2) if grub is OK how cd i reinstall centos

Dear All, this i feel is a little out of topic but really apprecite if someone can help i am tryin to authenicate my Centos 5.2 box to windows 2003 ADS server .. but am not able to do so . i get the following error when i run kinit kinit(v5): Improper format of Kerberos configuration file while initializing Kerberos 5 library i have the following packages installed on my linux box [root at

Dear All, I have succesfully managed to have my kerberos configured n working without error when i say kinit Administrator and after entering password it works fine my krb5.conf -------------- [logging] default = FILE:/var/log/krb5libs.log kdc = FILE:/var/log/krb5kdc.log admin_server = FILE:/var/log/kadmind.log [libdefaults] default_realm = BALADIA.LOCAL dns_lookup_kdc = false

Dear All, I have the following setup running perfectly OK for a long time CentOS release 5 (Final) sendmail-8.13.8-2.el5 MailScanner 4.76.25 bind-9.3.4-6.0.3.P1.el5_2 now i jus setup a centos box running BackupPC for backing up my my above mail server using ssh as per the instructions in backup pc site i had to enable sshd so i did it and everthing works perfect and backup works great as per my

Dear All, Im sorry for posting this query here but was helpless.. as i am not able to subscribe to sendmail mailing list i have jus installed CentOS 5 and the following software sendmail 8.13 bind 9.3 this machine is used as a primary DNS and out mail server and is been workin perfect we jus have a new domain and i want to have virtual mail hosting on the smae machine for our new domain

trying to follow the ha-drbd HOWTO on the centos wiki... I prep two identical systems with centos 5, leaving some disk space unassigned (they only have one scsi drive), create /dev/sda4 partitions on each to use for the repdata... I install the modules, create a /etc/drbd.conf like... [root at svfis-blade03 ~]# more /etc/drbd.conf # # please have a a look at the example configuration file in

I have an existing in-production LAMP server running Centos 5.1. It uses physical partitions on top of hardware RAID1, having / /home /var and /boot on separate partitions. We have a near-identical system I am thinking of bringing in as a DRBD/Heartbeat companion. One solution may be to use csync2 [http://oss.linbit.com/csync2/] on /etc and /usr/local (the only areas that will differ from

Dear All, its a offtopic question but really apprecite if someone would advise n help i have been running a mil server with sendmail and have sbl-xbl.spamhaus.org as my dnsbl. i had other servers which are alredy out now that is relays.ordb.org and dsbl.org have already been out of my sendmail config. any one knows of ny other servers i could add in my sendmail config apprecite ur help

Hi All, Need some information on getting the right storage array to buy for my cluster configuration can anyone help me with this my Setup so far 2 Athlon 2800 Sempron System 1 Wti Network power switch 1 24 Port 10/100 Cat5 switch 2 Adaptec 39160 scsi host adapter pci cards installed in the systems. I need to know what is the best storage solution with this configuration Thanks

Hi all, I want to start experimenting with clusters, and I would like to use normal desktop grade hardware for this. I have some extra PC components lying around, enough to build 3 - 4 moderate desktops with a PIV / C2D CPU & 512MB - 1GB RAM each. All the machines should have at least a 100MB NIC, but I can add a gigabit NIC to the machines that doesn't have it if need be. I have used

Dear All, I have been using the following for along time but recently i noticed the following Centos 5.2 squid stable 2.6 clamav + havp i do have MRTG running which monitors CPU + bandwith usage of my squid proxy server i notced recently that the cpu utilization peaks to abt 100 % at 4 am every day and becomes normall at 10 am cpu 4.5%us 2.3% sy 0.0%ni 2% id 95% wa notice the 95% wa

Dear All I have jus migrated to centos 5 and jus wondering why n where this problem could be server A which is running for the past 2 years used as my primary dns and mail server redhat linux 8 sendmail ver-8.12.5-7 bind ver -9.2.1-9 since the server is old and is prone to all security problems i have a new machine which i have installed the following and will replace my existing

Dear All, I am curently running a CENTOS server with the following setup CentOS release 5 (Final) Kernel 2.6.18-8.1.8.el5xen on an i686 bind-9.3.3-10.el5 sendmail-8.13.8-2.el5 apache httpd-2.2.3-11.el5_1.centos.3 MailScanner ver 4.66.5 ClamAV 0.92 SpamAssassin version 3.2.4 SquirrelMail ver 1.4.13 Now all this have been workin perfectly fine for a long time. now if i do a yum upgrade i see the

Dear All, i have the following setup CentOS 5 server running as a primary DNS server for a long time and is working perfectly fine the server is on public IP and we have abt 5 zones apart from the reverse n local zone now our sister company have recently setup their own DNS and we are supposed to use it. earlier our cleints were using a host file now on my master dns server in /etc/named.conf

Dear All, I have recently installed CentOS 5 and is workin perfect i recently download n installed poppassd daemon ver 1.6a so as to let the users to change their password but when i try to change password i get the folling error 500 'BAD PASSWORD: it is based on a dictionary word' i tried googlin arround and tried to play with system-auth-ac file in /etc/pam.d but no use my

Hello, I am trying to figure out the best way, how to configure a small cluster with xen and High Availability (Heartbeat). I have two servers and a few virtual machines. What I need is to ensure, that images or partitions of the machines will be mirrored between the two nodes (maybe with drbd?). But that is not all - I also need to enlarge the disks (because of growing databases) of virtual

Dear All... I need some information regarding OCFS performance in my Linux Box, herewith is my environment details : 1. We are using RHAS 2.1 with kernel 2.4.9-e.27 Enterprise 2. OCFS version : 2.4.9-e-enterprise-1.0.9-6 3. Oracle RDBMS : 9.2.0.4 RAC with 5 Nodes 4. Storage = EVA 6000 with 8 TB SIZE 5. We have 1 DiskGroup and 51 LUNs configured in EVA6000. My Question is : 1. It takes arround 15