I have one server with Jboss and Tomcat installed, I have to start these servers manually everytime I do reboot the server.How I could do to start Jboss and Tomcat automatically, when I do reboot the server?
I have configured (bind) my server with multiple static IP. I can ping the main IP from outside but not the other IP . I can ping all the IP from localhost but not from the internet. I do not have any external firewall or blocking device. server is directly connected via modem. If anyone could advice me for why i cannot ping other Ip's
I have installed Centos 5 on a virtual machine (esx4i). I set it to obtain an IP address from the DHCP sever, which is a broadband router, it has been given an IP address of 10.10.11.159 the router is 10.10.11.1 but I can't ping the router and I can't get any access to the network! I have a SCO Openserver server on the same physical box and it works fine so I know the network card & cable is ok.
I posted it on another forum, but could not get response,So I have this cenOS, Ubuntu and windows operating system running on virtual machines.Now I gave them manual ip address, both ubuntu and windows machines can ping the default gateway, but not the CentOS.It should forward 0.0.0.0. to my cisco router address(192.168.5.254),
I have 4 centos5 apache webservers all on the same network, recently, 2 of the webservers have stopped being able to ping or browse one particular website where feeds are obtained from this site. I have checked and firewall and selinux settings are disabled. The two webservers are able to ping and browse other sites. Dns settings are the same for all 4 servers. traceroute for working and not working webservers are the same.
I have OpenVPN running successfully on a CentOS Linux server. All remote clients connect without a problem and can ping the server LAN (10.5.0.0/24) . The server address is 10.5.0.1. All network shares on the server are available to the remote clients via SAMBA shares and this works well.The problem is that I am unable to get the remote clients to access services on the LAN clients. For example, there is a webserver running on a Windows XP PC (on the server LAN @ 10.5.0.2) with no firewall enabled. The remote VPN clients can ping this webserver at 10.5.0.2, but cannot browse the webserver at [URL]. All clients on the server LAN can however browse the webserver. The remote clients are using Windows XP and VISTA with OpenVPN 2.1.1.
I am new to VPNs and networking, but from my research, it seems as if this may be a routing issue. I would appreciate any help you may give in getting the remote clients to access the services on the LAN clients (other than the server @ 10.5.0.1).
I've set a two-node cluster using Pacemaker/OpenAIS. I have only one network and if I break this one, the communication between node is interrupted ... With a ClusterIP resource, when network is breaked, then each node start the ClusterIP => 2 same IP .. Is there a way to define the prefered location of a resource when connection between these nodes is broken ?
A <==> B
If one of the node lose the network, then follow a previously written rule : start resource on A (for example). B will know than it's not the prefered node and so, will stop to serve. Possible ? This is because if both node are connected, but a problem between these node occur and client can join both node ... then the split brain is problematic ... A better solution is to add a rule when the split-brain occurs : all node wich can't reach the gateway have to stop all resources ... And so, if it's A wich lose the network, service will start on B and only B without any problem ...
service xend status returns nothing - simply moves to next line service xend start does the same thing xm list ERROR Internal error: Could not obtain handle on privileged command interface (2 = No such file or directory) Error: Unable to connect to xend: No such file or directory. Is xend running?
I'm running a CentOS 5.2 vm on a W2K8 hyper-v core server. The problem I have is that when I reboot, the system time always resets itself to 6:00 am in the morning. I tried the /sbin/hwclock --systohc command but it hasn't taken hold.
I run a centos 5.6 guest (webserver) in a KVM VM on centos 5.6. When I lost my gnome desktop, I received the suggestion to remove the gconfd stuff and reboot. I found two gconfd directories in /tmp and removed them. Now the webserver VM reboots contineously. I forced down the VM, rebooted the base system etc., but that did not help at all.
I am running a dell poweredge 2600 in which i just now did a fresh install of Centos 5.5 KDE. The install went perfectly with no hiccups or errors. I reboot the server and centos dose its normal checking everything and giving a Green"OK" or Red"Error" and everything seems to be fine. I then get to a black screen with a X mouse cursor, i can move the cursor freely and i can turn the Num Lock key on and off and i can do a Ctrl+Alt+F5 and then reboot with a Ctrl+Alt+Del smoothly, but i just cant get the centos to boot up all the way into the GUI.
We have a Centos 5.6 server mounting two iSCSI volumes from an HP P2000 storage array. Multipathd is also running, and this has been working well for the few months we have been using it. The two volumes presented to the server were created in LVM, and worked without problem.We had a requirement to reboot the server, and now the iSCSI volumes will no longer mount. From what I can tell, the iSCSI connection is working ok, as I can see the correct sessions, and if I run 'fdisk -l' I can see the iSCSI block devices, but the O/S isn't seeing the filesystems. Any LVM command does not show the volumes at all, and 'vgchange -a y' only lists the local boot volume, not the iSCSI volumes. My concern is that, the output of 'fdisk -l' says 'Disk /dev/xxx doesn't contain a valid partition table' for all the iSCSI devices. Research shows that performing the vgchange -a y command should automatically mount any VG's that aren't showing, but it doesn't work.
There's a lot of data on these iSCSI volumes, and I'm no LVM expert. I've read that some have had problems where LVM starts before iSCSI and things get a bit messed up, but I don't know if this is the case here (I can't tell), but if there's a way of switching this round that might help, I'm prepared to give it a go.There was absolutely no indication there were any problems with these volumes, so corruption is highly unlikely.
So, I have an Virtual Machine running CentOS 5.4. It sits behind a hardware firewall which also does NAT'ing. I've set up plenty of these, so I know for sure the firewall and NAT rules are set up correctly. From the host, I can ping anything in my subnet and the gateway. But I can't ping anything else beyond the gateway. I can perform DNS queries and when I try to ping, it finds the appropriate IP address.But from the outside, I can ping the PUBLIC address (It's a 1 public to 1 private address NAT, not 1 public to multiple private). I've tried it with IPTABLES on and off, with no change.
Centos 5.3 includes Ext4 and improved support for encrypted file systems but it appears to be aimed at laptop/desktop systems, in that a password must be entered at boot time.
Is it possible to have a server with an encrypted root file system boot up without entering a password?
Mandos will do it... http://wiki.fukt.bsnet.se/wiki/Mandos ...by serving up the password from another server... http://packages.debian.org/squeeze/mandos ...to a client loaded into the initial RAM disk environment... http://packages.debian.org/squeeze/mandos-client ...but it's not available on CentOS, and is only in Debian unstable.
Is there a similar (or any) solution for CentOS?
In particular, I'm envisaging encrypted virtual machines being served passwords from their virtual host.
Alternatively, the data that *really* needs to be protected could be encrypted while the system core remains unencrypted. But then the keys to decrypt the file system must be stored in the unencrypted portion, so this is not an effective method.
I have 2 ethernet cards but when I look at the Network configuration in "Hardware Tab" I have another acx wireless network. How to delete that because In my system Idon't have wireless card..probably installed before but want delete it now.
then windows can ping server and resolve ip address and browsing Internet but can't ping [URL]... result is Request time out. ICMP already enabled in iptables.
I have multiple public ip addresses.My DSL modem blocks ping from a server behind the modem (nb6+4w) modem lan ip (gateway) is xxx.xxx.xxx.105the server is xxx.xxx.xxx.107If I DMZ this server it responds to pings.If i don't want to use DMZ, what service is ping using.I have set up virtual server 443 to this 107 ip as it's a SSL server
I have Linux server with VMware Server 1.0.8. When I creating a virtual machine, I can not "send" a PING to the virtual machine. In the virtual machine, I have installed CentOS 5.3 (32bit). In the virtual machine I have defined the addresses IP. So, whey I can't "sent" a ping to the virtual machie? I have to set something on the Linux server?
I have a OpenSUSE 10.1 system on my college network and I am able to ssh to other college servers, but I cannot ping these servers. More importantly than pinging when I try install one particular program it needs to be able to access one of the college servers (which has the license for it) but it is not able to contact the server.I have installed this program on other computers (windows and redhat linux) on the college network and they can connect to the server (and they can also ping the server).But Idon't know how to fix this problem.I have googled lots of things but I am a bit bamboozled.I have turned off the firewall but it doesn't make a difference.
I created an account called adminftp on a local Linux server Centos.Added this user to FTP group.When I use Filzilla from another computer in the same network, it cannot connect to the server but I can ping to the server.
If I make a cronjob to reboot a server every 3 days at like 2am? This way it will free up ram, etc and cause less problems right? I know a guy that is doing this, and I'm trying to convince him otherwise.
i have been trying to complete the following project1) Configure a FTP server where we can upload and download files.........2) server must run at 9 pm & stop at 9 am automatically ............although the first task was easy ,i have no idea how to accomplish the 2nd task(not to mention I'm a new user)
I have a problem with compiling of mod_ruby-1.3.0 After a succesfull configure i get a error in the make, it say "make: *** [apachelib.o] error 1" . Here below you can find the results of de configuring and the make.I was following the roles in Howtoforge " The perfect server - Centos 5.3" everything goes perfect till mod_ruby-1.3.0
./configure.rb --with-apr-includes=/usr/include/apr-1 checking for a BSD compatible install... /usr/bin/install -c checking whether we are using gcc... yes