Top Solutions

at boot fsck says i have to run manually, drops a shell. ( longer description, another 500 pts @ http://www.experts-exchange.com/OS/Linux/Administration/Q_22919696.html )

mount /dev/sda1
touch file1
#error, says read-only filesystem

mount...

Hi experts,
I get the following error when I want to start sqlplus:

[oracle@localhost ~]$ sqlplus
Error 6 initializing SQL*Plus
Message file sp1<lang>.msb not found
SP2-0750: You may need to set ORACLE_HOME to your Oracle software...

I just imaged my RHEL 4 system that was running on a Dell Poweredge 2950 server using Acronis software and I restored the image to a VmWare virtual machine.  

Dell Poweredge 2950 - RAID 5
VmWare - using ESX 4.0

OS - Red Hat Enterprise...

I have a bunch of servers hosted in my data center that have DRAC cards in them so I can access and administer them remotely.  Some of the servers have DRAC 3 and some have DRAC 4.

All my DRAC 3 & 4 cards seem to be working fine except for...

Recently, one of our users suffered identity theft and their email account was taken over by spammers.  We didn't find out about the problem until after our domain got blacklisted. I want to keep this from happening again.

Is there any way to...

I'm trying to start the ftp service on a new Redhat install.  I found the following in /etc/xinetd.d
gssftp  
 I edited the file by changing the  'disable         = yes' from yes to NO.
[root@xinetd.d]# vi gssftp
# default: off
#...

Hi All,

I urgently need help; I am just from doing a Linux upgrade (EL4 ->> EL5). The upgrade process was smooth, but I cannot seem to do anything else. No commands seem to be working, except for pwd. I keep getting the following errors;
...

Dear Sir/Madam

I have installed oracle 11g onto linux (centOS) and it works fine. But everytimes I reboot linux (centOS), I need to start the database (test) manually.
Why is this happens?

I would like to know how to startup database...

I am on RHEL 6 and need to increase the limits for

 

I have the following config:

 

Specifically, I need max open files to be unlimited and max processes to be 4096. for user mqm

I have no entries in my limits.conf file

How do I...

Question:
1 - I'm following the steps in http://openvpn.net/howto.html
2- my guess is that the error comes from "Generate certificates & keys for 3 clients" because when you generate the server certificates the HowTo says to say yes on signing...

How can I use nagios to check for disk space on a remote machine?
I'm running 3RC2 on Fedora 8.  Been looking around and not getting too far.
I have hosts setup and disk checks...but I discovered that it is actually checking the local system,...

See also: http://www.experts-exchange.com/OS/Linux/Q_23690292.html

I am having the exact same problem with the exact same results, except I have a bank of 4 modems plugged in to my server that respond fine from minicom but not with HylaFAX.  I...

Hi Experts,

I have luns present to my redhat linux server by our storage support. They need me to scan for the lun's from my system and I don't know how to do this or which  tool to use to accomplish this request. I also need to to format...

Hi! Lately, I've been seeing these errors in my log. Some people have reported that mails are being returned undelivered.

Jan 21 00:02:45 localhost postfix/smtpd[28622]: NOQUEUE: reject: RCPT from mail.sunbeam.co.nz[203.167.253.34]: 451 4.3.5...

Hello. I've bought this DVB tuner :

http://www.aliexpress.com/product-gs/322463026-dvb-t-mpeg4-T1031-USB-Sticker-Tiny-style-wholesalers.html

and I tried to configure it on my Beagle Board. The manufacturer gave me a pre-compiled driver...

I have two servers running two different versions of RedHat Linux.  Here is the output from the "cat /etc/redhat-release" and "uname -r" commands for the two servers:

1.  a)  Red Hat Linux Advanced Server release 2.1AS (Pensacola)
     b)...

 I have installed freeSSHD on Windows Server 2008, I would like to simply scp files to the server...
I have configured passwords, and ssh-keys.

i can
ssh -P 9000 root@WinServ (works perfectly WinServ replaced with IP address)

I have two...

We have a web server that is running CentOS 5.  We want to run our web sites using this server and Apache.  I created a web page and saved it to /var/www/html as index.html.  Apache version is 2.0.  When trying to start Apache using the command...

The current RH4 that I installed always having this problem:  
 
Bringing up interface eth0:  Error, some other host already uses address 10.8.1.151.               [FAILED]
 
If I put in DHCP mode, it was OK, but goes to static IP, it always...

Hello,

With the help of Google, I have written a Perl Script (which uses Expect module) for login to multiple Linux servers and do some automation. This script basically takes the hostnames from a file 'serverlist' and login to one by one...

I use a great site to simulate SQL commands and test them out without having to install anything. I was wondering is there anything out there that can simulate a RHEL4-5 install on my windows machine at home so i can open a terminal, run commands...

Hi Guys,

I've been trying to get the Nagios Service Groups to work, the host groups part works fine, can someone please give me a demo of their configuration to get this to work, or check my code to tell me where I went wrong?

Thanks

Hello,

I have a problem. I have installed apache and bugzilla on my redhat9 server.
When bugzilla sends an email or i send an email from terminal (e.g. sendmail my friend@good.com )
from the /var/log/maillog i see that ctladdr =...

Over the last month my hard disk usage on my web hosting virtual server has increased considerably.

Ive posted a question recently to find out how to see which domain . client is the cause.

ive cleaned out the entire system.

But now ive...

So we are using Nagios to monitor our Windows Server environment for system resources, as well as services.  We have several servers that have 3rd party services installed that contain spaces in the service name such as "ColdFusion 8 .NET...

On Linux I have nagios running.
The person who set it up seems to have it doing a check_ping in too short a time period.
Where this box lives and the machines it checks on there is sometimes a "glitch" in the network and I get all of the ping...

Hi,

Run a CentOS 5.latest web server. It does not specifically run an MTA on the host OS, but has a virtual machine with a mail server. On the host though, I just spotted a lot of messages like this in the mail spool for root:

-- quote

...

Hi,

I am trying to use a smart cards on Ubuntu.. I am not looking to use them to login, just to store certificates and sign certificates. The problem I have is that I can not read any certificates from the smart card or write to it.

I have...

Hi everyone,

In Windows, I can check a hard disk for errors with a couple of clicks of the mouse.  How is this done in Linux?  I have Fedora Core 2.

Thanks you so much,


Jazon

I am trying to monitor Windows Backup Exec results from my Nagios server. I am using NSClient++ on the windows server to run check_be.

Here is the line added to nsc.ini

check_be="C:\Program Files\NSClient++\check_be.exe" "D:\Symantec\Backup...

Hi,

I am newbee in UNIX/solaris  i cant install samba on solaris see wht steps i tried in cdrom

# pkgadd -d . SUNWsmbar SUNWsmbau SUNWmbac SUNWsmbas

but it could only install SUNWsmbar and SUNWsmbau

for other packages it says package...

When I try to launch exceed via citrix environment, I'm getting the following error message.

Fatal Error: Unable to access user directory

I googled and found the following solution, but  userDir is mapping with C drive and my userId...

Hi, please see my httpd.conf file from apache running on a centos.

i've tried to install ssl on apache..

everytime i start the httpd service i gets this warn:

Starting httpd: [Tue Jan 12 12:43:31 2010] [warn] _default_ VirtualHost...

Doing a :
 ./snort -d -l /var/log/snort  -h 172.16.1.0/24 -c /root/snort-2.8.4.1/etc


then I open up a separate terminal window and do a tail -f /var/log/snort/alert and nothing shows up. I've portscanned the snort machine and still nothing....

I am trying to run the personal backup client (a bootable cd) on a VM (centos 5.3) that I have running on Xenserver 5.5.  I have not been able to find a boot menu like VMWARE has.  Any ideas on how to either boot from a physical cd or iso?

Hi,

I'm just wondering how would I upgrade to PHP 5.3 and if I do are there security issues. I just wish to create a simple site and use it primarily for developing and learning. I'd like to use it as a live web server so I'm wondering if...

Hi guys,

Confused here.

Trying to do some smtp tests on our centos 5.3 mail gateway (postfix). Tried to do some smtp tests via a telnet session, and I cant get any of the commands work.

Ive tried ehlo, hello, helo, and none of these...

Is there an asterisk CLI command, to kill or end a call?  The only way I know of, is to restart asterisk, and that just seems to be a little much.  Thanks

Hello

I am trying to setup a BIND server running on an Ubuntu 8.1 server to act a my primary DNS for a single domain. Secondary DNS should be provided by DynDns. I don't have any fancy need, I just want a few CNAME and MX to point to google -...

Hello, I have an Asterisk box setup on a static public ip address.

 I have eight Linksys SPA942 ip phones, each on their own static public ip addresses.

(The phones and Asterisk box are at different locations)

It goes without saying,...

Anyone know the default password for System Management Homepage in Linux? or even how to reset it in Red Hat 5 Enterprise

linux box can't auto send mail out?

i use "sendmail" for mailing system.

i type "mailq" and i get all the mail status like below :
" (Deferred: Connection refused by mx5.biz.mail.yahoo.com.) "

i hope can get some suggestion here.

i...

hi i am new to systems calls, and have been given the following question:
1)Use system calls getpid() and getppid() to report the pid and ppid of your current process?

I think the code shown satisfies the requirements but in terminal when I...

Has anyone got the  HDX Flash Redirection  to work with Linux Receiver?

My server environment consist of XenDesktop 5.0.0.217 and XenServer 6.0.

Citrix Desktops used for testing:
VDI environment has IE9 and Flash Player 11.1.102.55
Shared...

I have already downloaded and insstalled the newest RPM. I have also edited my httpd.conf to include "AddHandler cgi-script .cgi .pl".

I already have Apache setup and running WordPress so I don't want to mess that up. I also have Zimbra...

dear EE,

i have install java jre1.6.0_03 on open suse 10.2_64bit i define the PATH variable such that
$echo $PATH...

I have downloaded and installed VMWare Server 2.0.1 onto a 64-bit laptop running Windows 7 RC.

The software runs and I've created a virtual machine in which I plan to install SuSE Linux 11.1 64 bit, unfortunately I'm unable to install the...

I am trying to install Erlang on my CentOS 5 64 bit system using yum.

When it is correctly installed, the command "erl" should work.

What did I not do or do wrong?

In the automatic bug reporting tool I'm receiving the following errors:
Process /opt/google/chrome/chrome was killed by signal 11 (SIGSEGV)
Process /usr/bin/grcm was killed by signal 11 (SIGSEGV)
Process /usr/bin/nautilus was killed by signal...

I was following the instructions on another post here (http://www.experts-exchange.com/OS/Linux/Q_24687686.html) so I could downgrade our PHP version from 5.3 to 5.2.10. So, first I ran this command to install the allow downgrade package:
yum...

Recently I download the barracuda spam virus virtual appliance. It comes as an OVF file. What is strange is that the package has 2 OVF files.

When I try to run it in vmware workstation, the first OVF doesn't even register, the second ovf...

Hi all,

I have a couple of vendor supplied RPMs that I need to add to our software repository. All of our packages have to be signed, but I'm having problems with these ones as follows:

[RPM]$ rpm --resign *
Enter pass phrase:
Pass phrase...

'SRAT: Hotplug area too small" appears while Red Hat Linux 6.0 is first booting up.

Is this an error message?

What exactly does this message mean?

Hi all,

I am not able to run Firefox or Gnome Applet on my Ubuntu 10.x
When I try dmesg, I always get errors like
[  717.433936] bonobo-activati[2155]: segfault at 1c4f ip 0096de21 sp bfb9423c error 4 in libc-2.11.1.so[8f4000+153000]

I...

In CentOS I can not find a Shutdown button on the Desktop is there a command that I can past in the Launcher to Shutdown my computer properly?

Background info:

- We have 2 apache (2.2.9) servers (load balanced) on vanilla 2.6.28 linux running as xen VMs using paravirt_ops.
- The keepalive setting in apache is set to 5 seconds and a maximum of 250 requests.
- The application uses...

Does anyone know where I can download the .iso files for redhat 6.2 or red hat 7.0.  I need a version of linux that still runs the 2.2 kernel.

Hi,

I have installed an HBA card , model qla2340 , on a 64 bit CentoOS 5.3 machine. The card is working fine. The following contains more information:...

I am on a THEL 6 system

A new Broad com 10 GB has just been placed into the machine

WHen I run the following command

 

I can see my 10 GB card

 

I enter the following command:

 

and then select Device Configuration, I get...

I used the following command to add a route to my Linux server.  However, whenever I reboot, I have to reenter this command.  Is there a way to make this permanent?

route add -net 192.168.50.0 netmask 255.255.255.0 gw 192.168.100.1 eth1
...

Hello,

We're setting a new server and I made some changes to the Apache configuration file based on the other server we had. But we want to make sure we have pretty much optimized the Apache configuration for best performance based on our new...

OS: openSUSE 11.2

As you can see from the script below this find command with sudo in front of it won't work when in a subdir of the root user.  The line itself is inside a shell script (run as root user) however the result is the same whether...

Hi all

I want to monitor the up time for a web site that has been giving us problems. I'm using nagios 3.oa3.

I have created a service check called webcheck and included a check_http

My question is how can I check the site in question...

I have a network with linux servers. I have one linux box (192.168.0.69) than can not mount to any of the other linux boxes. I get an error "mount: can't get address for /coraid/data"


Example, shown below:

[root@localhost /]# mount...

This is using a SUSE Linux enterprise 11 server. I am thinking to setup this server as time server for other workstations to sync from. And at the same time, sync this server with Internet time server, how to do that?

Hello,

In order to make the Kernel drop the pagecaches, we use the following commands:
 
# sync
# echo 1 > /proc/sys/vm/drop_caches
 
We want to know if it is safe to do this in Production servers at regular intervals and if not, what...

I am trying to set uo read and write level password access to a share...

Here is my smb.conf

# Samba config file created using SWAT
# from 192.168.1.52 (192.168.1.52)
# Date: 2003/05/01 11:32:12

# Global parameters
[global]
       ...

Client: Windows Vista
SSH Server: Linux
SVN Server: FreeBSD

When I use the "Repo Browser" in TortoiseSVN on the client, I am challenged for a username and password (as intended) but it always fails with the following error:

-----
OPTIONS...

I use CentOS 5. How can I install 7 Zip?  This does not work:

yum install p7zip
No package p7zip available.

Hi everyone,

I'm just rolling out and testing a new installation of Alfresco 3.4d. It looks like a pretty amazing tool and I'm excited to get started using it.

I have created a new site, and added a new "data list" to that site. As you can...

Hello group,

I'm using command line only on my linux box and also using a wide screen (DELL) the problem is that fonts are big and I want to have bigger resolution.

How can I change it?

Thanks,
ak

Hi,

We have an old CentOS system running squid using LDAP to authenticate to a Mac OS X 10.4 server for access out to the internet.

The problem is two fold.

1. I did not configure the original proxy server and as such have no idea how...

I need to convert a .crt certificate to .pem format, on a Linux machine. But whenever I try to do so using a command mentioned at http://shib.kuleuven.be/docs/ssl_commands.shtml which is:

openssl x509 -inform der -in MYCERT.cer -out MYCERT.pem...

any of my clients is not able to send mail
when i try to send from telnet i am getting

 

when i try to send from roundcube i get :
 


i should not find any log on /var/log/maillogs about this send operations.

but my clients can...

I'm compiling my C++ program under Ubuntu 6.10 using KDevelop.  Unfortunately, it needs to run on an embedded device with no compiler running Debian.  I get the error "version `GLIBC_2.4' not found" and "version `GCC_4.2.0' not found" when I try....

Hi!

In the SSH config file sshd_config if I set "AllowUsers" it will allow ONLY these users to login to SSH
and I wouldn't need to set "DenyUsers"
- Would this assumption be correct?

i.e. if I have:
AllowUsers someuser

the only user...

Hi,

this is a question about emulating a windows software (videogame, but "dedicated server" executable, not te game itself) under linux.

I recently tried a new wonderful game: Swat 4. If you don't have it and don't want to buy it but you...

Hi,

I'm trying to install gtk+. But first I need atk. I know that I may be able to rpm it but I had numerous problems trying to rpm filezilla so I'm going step by step to install the dependencies from source. I'm getting there but I'm stuck in...

Dear experts -

           I am getting the following error when I run this command

 /usr/local/nagios/libexec/check_nrpe -H localhost

CHECK_NRPE: Error - Could not complete SSL handshake.

I have made the changed correctly in the...

Hi,

I'm trying to install the Google chrome (ver. 16) on my 64bit Centos. It tried to resolve the dependencies but I get this error:

Missing Dependency: libc.so.6(GLIBC_2.11)(64bit) is needed by package...

When using yum on CentOs 6, I receive the following error-

Cound not retreive mirrorlist http://mirrorlist.centos.org/?release=6&arch=i386&repo=os  
error was 14:  PYCURL ERROR 7 - "coun't connect to host"
Error:  Cannot find a valid baseurl...

Dear Sir/Madam:
I have a mailserver running successfully with postfix , MailScanner and spamassassin but still there are spams entering thought to install the Razor downlaoded SDK and agent also installed
my razorconfig files are under...

Hi experts,

I'm new in Linux but I have the goal to implement an NAS based on OpenFiler.

I bought a SuperMicro SuperServer 5035L-IB to implement this NAS because of the integrated Raid controller (... with is really poor and limited on 2TB...

Hi Everyone,

My client has a Seagate BlackArmor 440 NAS.    They can open up the file share on the NAS (via name or IP), but they are unable to open any of the files or copy any of the files off of the NAS.

When you try to copy a file off,...

I have been trying to join a red hat server as a member server to a 2008 Active Directory.  I was able to use kinit administrator@domain.com to get a ticket.  However when I try to join the domain I get the following: Failed to join domain:...

how to change umask permanently of linux. i read somewhere i should be change in /etc/profile
but what the changes will be made in the /etc/profile.

Hi Experts,

After patching, I ran init 0 and boot -s and the system did not boot.
Produced the following error messages:

{1} ok
{1} ok boot rootdisk -s
Boot device: /pci@1c,600000/scsi@2/disk@0,0:a  File and args: -s rootdisk
krtld:...

I am attempting to install RedHat El 5.6 on an IBM x3650 M3 (7945-A2U).

A message has been displayed reading “Your boot partition is on a disk using GPT partitioning scheme. This machine cannot boot using GPT.”

The machine is configured...

Hi experts -

                I have an other question open and which I am using at as a reference for doing my work currently. while doing my work  I got the follwoing error.
some time I get
Host State Information
This host has not yet...

I have XAMPP installed and wanted to install a MySQL client, I was surprised to find it is not part of XAMPP.

Accidentally I also installed mysql-server, so the command I used was
sudo apt-get install mysql-client mysql-server
I really...

Hello,

I am getting into Virtual Appliances using ESX and/or VMWare Server 1.06/07. I just started with Untangle and must admit the idea is nice but the controls are so simplistic you feel that you never can get any granular settings correctly...

Hi,
recently I've noticed a lot of net_ratelimit messages in syslog:


I've read that net_ratelimit prints error message and then it informs that it was supressed, however i don't see any error messages :/
I've even edited syslog.conf by...

1. I have a Dell N5110 running Ubuntu 12.04.

2. My goal is to get Eclipse IDE running on my Dell laptop for C++/C development.

3. I downloaded Eclipse; however, when I tried to run eclipse, it could not find a JDK or a JRE. I saw the...

I have a text file which has follwing lines;

asdada  ....      B=0
rwer    .....       B=233
gsggw .....     B=0
asfasf ....      b=234
.........................
..........................
.........................

How to use grep to...

Hi all,

Having an issue generating the cfg file for MRTG. I believe it's because I simply don't understand the community@router.abc.xyz command, among other things. This is for the purpose of monitoring routers through MRTG configuration files...

I recently updated my kernel and when i rebooted the server was only accessible through eth2 access on a back ip we have. I looked at ifcfg-eth0 and ifcfg-eth1 and saw that the entry for the MAC address had changed:

HWADDR=00:xx.xx.xx.xx.xx
...

Anyone know of any free (preferably) utils that will enable me to view inside this hidden directory?

Can't access it via command line (access denied), cant use cacls to grant myself permissions (access denied), and cant see it mounted in...

Experts,

      I mainly work with Oracle 11g on Window pC's. However, we have a Linux Red Hat PC that is erroring out on the following dir:
oradiag/root/diag/clients/user_root/host_61728193/alert

File is log.xml:
msg_id dbgrmmd...