CentOS is an Enterprise-class Linux Distribution derived from Redhat Enterprise Linux sources freely provided to the public.

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In my Dell R310 server, i would like to install CentOS, but for RAID1 what special care i need?

I have my Dell R310 server to install CentOS latest version, it has 2 hot plug disk drive, about 250GB of each. - But i need to install RAID1 on it. My question is for RAID1 installation with ...
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1answer
1k views

ls -a not showing folder “system”, but echo * shows it

When I create a folder named system in my home folder, or in /tmp (can't try other locations as I am not root, but owner confirmed same problem even on root), ls -a will not show it. Also tried ...
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1answer
2k views

Unable to make outbound SNMP connections when IPTables is enabled

I have a bunch of windows servers configured with the windows SNMP agent. Each server has four IP addresses and SNMP listens on all of them. There is something very odd with my monitoring server ...
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1answer
772 views

mon linux monitor install on centos - can't find glib.h although present

I am trying to install the linux_monitor package under Centos 5.5. When I try make I get: make[3]: Entering directory `/tmp/linux_monitor-2.0RC3/src/server' if gcc -DHAVE_CONFIG_H -I. -I. ...
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3answers
678 views

How to set Internet Protocol properties using terminal?

When I set up a Virtual Machine with windows (using VMPlayer), I set the Network Connection properties from the VM settings from NAT to bridged. Then I proceed to set the following IP Properties in ...
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2answers
168 views

symbolic link to a large file

I have a large(1 TB) file that I would like to download from the centos server via http, should I create a symbolic link to the file to the http file directory? would the link work? the file is too ...
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2answers
29k views

How to change the hostname of a linux machine using terminal?

I logged in for the first time, opened terminal, and typed in ‘hostname’. It returned ‘localhost.localdomain.com’. Then I logged as the root user in terminal using the command, ‘su –‘, provided the ...
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2answers
1k views

install rtorrent failed using yum install rtorrent in CentOS

I want to install rtorrent as a client (NOT SeedBox). I tried the following command: yum install rtorrent I get following message: Loaded plugins: fastestmirror Loading mirror speeds from cached ...
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1answer
399 views

Problem with RAID5

I have a CentOS server with RAID5. Every time RAID5 re-syncs my server stop working. The hosting company stopped the httpd service so that RAID5 can re-sync itself, a process which can take as long as ...
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1answer
843 views

RHEL/CentOS: Installing a new version of Java, why not just change the path?

I am installing a new version of Java on a CentOS/RHEL Linux distro for a single developer to develop java. The way I want to install on this development system is to just put the new java version ...
2
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1answer
888 views

CentOS 5.6 x86 64 Not seeing all my memory

So I installed CentOS 5.6 on a box at my house and it is not recognizing all my memory. I have 2gb in the machine but when you run a 'free -m' or a 'top' or a 'cat /proc/meminfo' it only shows that ...
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Why do I need to hit enter to get my shell prompt after my init.d script completes?

I had to write my own CentOS init.d script for celery because it only ships with one for Debian. You can see the script I wrote when I answered my own stack overflow question 3989656. But there's a ...
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2answers
264 views

CentOS command issue

This is what I am trying to run in VMware using CentOS 5 /pwnat: invalid option -- p usage: ./pwnat <-s | -c> <args> -c client mode (default) <args>: [local ip] ...
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1answer
2k views

Centos 'Login incorrect' problem

When I type my username and password into the login field, I receive the following error: Login incorrect How can I solve this problem? I am using CentOS.
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2answers
1k views

how to make system service out of .jar file? (linux)

i wrote a little java server which i'm running on my CentOS 5 VPS server. currently i just ssh onto the server and start the jar through commandline. How an i turn this jar into a system service and ...
3
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1answer
513 views

good unix troubleshooting book [closed]

I've been trying to learn *nix and I think I'm doing pretty good as far as basic commands, and I think I understand a lot of the "monitoring" type commands etc... in short, I think I'm doing okay with ...
3
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1answer
388 views

1000 iptables entries on CentOS?

I just got a new dedicated server with CentOS and I'm trying to debug some network problems. In doing so, I found over one thousand iptables entries. Is this the default on a CentOS system? Is there ...
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1answer
1k views

Reading audio stream data from internet radio and pushing it to temporary file

I'm in the process of setting up an audio processor on my remotely hosted CentOS box. The audio processor itself is command line based, and after speaking with the author he explained to me that it ...
6
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2answers
2k views

Why is there a discrepancy in disk usage reported by df and du? [duplicate]

I have a Linux(CentOS) server, the OS+packages used around 5GB. Then, I transferred 97GB data from a Windows server to two folders on this Linux server, after calculated the disk usage, I see the ...
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1answer
1k views

Clone OS to a smaller drive

I would like to copy/clone/move my CentOS (which is on a 20GB hard drive) to a smaller hard drive (5GB)... Can someone tell me how to do this?
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3answers
2k views

Centos or Scientific Linux

When I need to create a new server I've always chosen Centos mainly for it's compatibility with Red Hat which i consider the standard de-facto for the general purpose linux server. Now the problem is ...
4
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1answer
3k views

How do I configure SELinux to allow outbound connections from a CGI script?

I'm migrating to a new webserver which has SELinux set up (running Centos 5.5). I've got it set up so that it can execute CGI scripts with no problem, but some of the older Perl based scripts are ...
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2answers
507 views

Best place to get nVidia driver update for CentOS 5.5

What is the best place to get an updated nVidia video driver for CentOS 5.5? Is there a CentOS package available that will update it? Or is it best to download it directly from nVidia? Also, I do not ...
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2answers
2k views

installed java, but java -version not showing new java

I just installed jdk1.6.0. I have tried multiple ways to set the path variable and make java 1.6 my new running version. And nothing is working. Running centos5 virtual machine. alternatives --config ...
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1answer
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How can I open port 21 on a Linux VM?

I need to open port 21 on a Linux (CentOS 5) virtual machine I have. I have tried several Google solutions, but none are working. I was wondering if someone could tell me how to do this. Below is ...
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1answer
553 views

CentOS 5.5 Install Customization

I'm having a frustrating time with customizing my initial CentOS 5.5 installation. I want to have a specific set of the packages installed (e.g. I want Java and httpd but not OpenOffice or NewsServer) ...
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1answer
503 views

How do I enable a new repository in CentOS?

I need to upgrade my version of subversion however, simply running yum update subversion tells me: Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * addons: ...
2
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1answer
1k views

Need further explanation on TIME_WAIT

Hi Unix/Linux Gurus out there! I need a solid proof that TIME_WAIT (a lot of it actually) is the real culprit in the slowdown in one of our servers. The server is hosted on Parallels Baremetal ...
4
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3answers
3k views

Why put some config info in conf/httpd.conf and some in files in the conf.d folder?

The main apache config file is in /etc/httpd/conf/httpd.conf on my CentOS system an in there is a line: Include conf.d/*.conf Inside conf.d is mostly files that do something like this: LoadModule ...
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0answers
288 views

Need to upgrade svn on centos [duplicate]

Possible Duplicate: Need to upgrade svn on centos I have an error when I run svn up svn this client is too old to work with working copy...please get a newer subversion client This is ...
2
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1answer
1k views

Install MySQL from Bash Script

I'm coding a bash script to automate the process of deploying VPS servers but I'm having some trouble while trying to install MySQL from either aptitude/apt-get or yum, this is what I have so far: if ...
2
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2answers
662 views

Why does the Centos apache httpd-2.2.3 rpm remove the bundled apr,apr-util,pcre?

I am manually building httpd-2.2.17 from the source. Just to make sure I have the configuration options right, I checked the latest CENTOS apache srpm (which is for httpd-2.2.3). In the httpd.spec I ...
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3answers
684 views

For what purpose would perl* be excluded in yum.conf?

I am not an Unix/Linux admin. I was attempting to install git on our server, and after much googling and trial and error, I discovered that perl* is excluded in our yum.conf file, preventing perl-Git ...
6
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1answer
2k views

Getting an existing Linux installation from one computer to boot on another

I have an existing Dell Precision 690 workstation setup to dual boot Windows XP and CentOS 5.5. These operating systems are installed on two separate drives. I have a grub menu on the Linux drive with ...
4
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2answers
706 views

How to Update Apache to allow Pseudostreaming on CENTOS 5.5 & WHM

I can't figure out how to get pseudostreaming on my Apache server (CENTOS 5.5 i686). I've read this article and these install instructions. I cannot install httpd-devel or mod_ssl via yum; I get ...
2
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2answers
1k views

How can I make a process I start during an SSH session run after the session has ended? [duplicate]

Possible Duplicate: Keep SSH Sessions running after disconnection. I have a process which is basically a web-server, I start it during an SSH session. However, when I leave the session (by ...
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1answer
458 views

How to mount external hard disk every time the server is restarted?

I have a server which the date will be backup to a external windows server hard disk which is mounted. But problem is every time the server is restarted I will need to mount the disk manually. How do ...
3
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2answers
3k views

yum groupinstall “Development Tools” fails

Running yum groupinstall "Development Tools" on my CentOS machine fails. I get errors such as: ...
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3answers
1k views

How do I set the group (gid) of a process I'm about to launch?

I'm porting a Debian init.d script to CentOS. In the Debian script, it uses start-stop-daemon for launching the process. The script uses start-stop-daemon's --group flag to change to a different ...
2
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1answer
2k views

Am I installing CentOS 5.5 right?

I'll probably be in here a bit over the next few months. The only exposure I've had to Linux is just some basic dabbling with Ubuntu and using Knoppix as a recovery DVD for when things go wrong. I ...