CentOS stands for Community ENTerprise Operating System, the most popular Linux distribution for web servers with almost 30% of all servers using it. Third-party software is not included in the base.

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2answers
550 views

NMAP Root different from Under Privileged user

When I use as root nmap -sP -n hostaddress I get the mac address of the hostaddress device but when I change to a different user with less privileges I do not get the mac address as a return. ...
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1answer
9k views

access apache log files in centos

I've got clear centOS 5.x system, I've created an user and when I want do go into /var/log/httpd i get access denied. after typing ls -la i get the owner of httpd catalog is root. Can I change owner ...
3
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2answers
154 views

I can only access Google from CentOS

I'm using the CentOS 6.3 Live DVD x64 version; however, I can only access Google and IPs living on my LAN (haven't tested external IPs) in Firefox and Konqueror. Yum can't access mirrors as it claims ...
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3answers
999 views

How to synchronize two folders on two remote Linux virtual machines

I have two virtual machines, Host OS is ESXi 3.5 and guest OS is Centos 4.6. There are two ESXi servers remotely located, each containing a Centos 4.6 virtual machine. I wish, whatever change I make ...
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0answers
229 views

Dual boot centOS and Win7

I posted this on stackoverflow, but it looks like superuser would be more appropriate. I have a CentOS 5 machine that runs Windows 7 as a dual boot. CentOS is the main OS and each OS is set up in a ...
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0answers
118 views

btrfs made linux kernal panic when i delete subvolume?

My environment is: VMware workstation 8 CentOS 6.3, kernel 2.6.32-279.el6.i686 Btrfs v0.19 Sorry i can't use the images for the panic because my reputation is low. Call Trace ? panic ? oops_end ? ...
2
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2answers
506 views

Why there is difference between output of linux command du and ls?

I have a file in linux machine whose size is 3404494030 upon doing "ls -l". When I do "ls -lh" it shows 3.2 GB which is correct when converted from bytes to Gigabytes. But when I do "du -h" for the ...
0
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1answer
205 views

Perl installation on Debian vs CentOS

As described here at http://www.directadmin.com/forum/showthread.php?t=43558&page=1 I am trying to find the equivalent apt-get install commands for the current version of Debian for: yum ...
1
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1answer
266 views

SELinux - CentOSx86_64: User command limitation

SELinux - CentOSx86_64: User command limitation Is SELinux the right tool for this job? If so, what is the best way to do it? I would like to limit a particular user to only running some list of ...
0
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0answers
119 views

Use of TCP-MD5 option

For a research application we need to use the TCP-MD5 option (RFC 2385). After some research we have finally found that only a few GNU/Linux distributions support the option out of the box. We ...
0
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0answers
351 views

Apache unable to find DocumentRoot even though it exists?

I've been setting up a local web server, but I'm having an issue with the following error when I start or restart the Apache httpd service. Starting httpd: Warning: DocumentRoot [/www/html/project1] ...
2
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2answers
434 views

Too Much Swapping, even though RAM is ~75% Empty

I have a VPS with 9GB RAM, 300GB HDD, 3 GB Swap, 7 Cores. The OS is CentOS 5.7 Final. I have postgres9.0 running on my machine, with proper tuning done (at least by book/wiki of PostgreSQL). What ...
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0answers
94 views

script executing perfectly in terminal but not in cron

I setup a script for to take an mysql db backup everyday on a specific time, so now the cron is running perfectly it executing the script without problem but the problem is db backup file is not ...
1
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1answer
2k views

Linux NX Client won't switch to full screen or resize in a window

When establishing a remote desktop session from a Fedora multimonitor PC to a remote Centos 6 PC, the NX client will not switch to full screen mode and the remote desktop will not resize when the ...
0
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1answer
91 views

Enlarge file system space on CentOs5

I need to enlarge the space of my file system on a CentOs5 vm. (I use VMware player where I already extended the disk size to around 7.1GB - but I think I need to run some commands in the vm) ...
1
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2answers
545 views

How to install japanese font on centos 5.5

I'm Linux newbie.I would like to know "How to install Japanese font on centos 5.5". Please share me a way.
0
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2answers
648 views

Unistall CentOS 6 from a Win7 partition

I installed centOS 6 in a separare win7 partition. Now I want to remove/uninstall it, but I can not find out how to do it.
2
votes
1answer
2k views

Can't start MySQL - no space left on device

I am not able to start MySQL, on a CentOS 6 system. When I checked in the mysqllog the error I get is 121117 11:16:19 [ERROR] /usr/libexec/mysqld: Error writing file '/var/run/mysqld/mysqld.pid' ...
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0answers
1k views

Disable RAID to JBOD in server IBM x3400 M2

Hi I just wanna disable the default RAID in my server IBM System X3400 M2 Server(7837-24X),i have 3 disk drives SAS. I want to make them a JBOD "Just a Bunch Of Disks", because I want to install in ...
1
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2answers
2k views

Set up CentOS6 Web Server on local network, but unable to view websites on it?

I've set up a web server on our workplace domain. The server has been configured so that Apache works on it and everything seems to be working fine. However, I am struggling to access the machine via ...
0
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1answer
291 views

Modifying the install environment for RH-like installations

I am trying to modify the basic installation environment (ie, what Anaconda runs in) for a customized CentOS distribution. For the first try, I would just like to modify a few of the splash images. ...
0
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1answer
130 views

Add new partition under raid-1 array

I have small /tmp partition, and I want to create new partition with size 10 GB than current one, I have two hard disk on raid-1 array # mdadm --query --detail /dev/md0 /dev/md0: Version : ...
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4answers
711 views

git folder on centOS 6

I installed red hat openshift tools on CentOS 6.3. Then I checked git --version It is already installed, but I don't know whether it was installed before openshift tools or not. I configured git: ...
0
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2answers
3k views

Is it possible to see what sql commands are being run on my CentOS machine?

I bought a program that runs on my CentOS machine. It's written in PHP. It uses a MYSQL database. One of the functions of the program is to register new users. It uses a SQL query to add the users. I ...
2
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1answer
904 views

VMWare Centos copy past not work

colleagues. I have a problem with copy-past from host (Windows XP) and guest (Centos) OS. I have installed VMWare Tools but it didn't help me. Strange situation... before I installed a VMWare tools ...
4
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2answers
11k views

CentOS 6 - iptables preventing web access via port 80

I'm setting up a new web server with CentOS 6.2 and am not able to connect via the web. Everything looks set up correctly in httpd.conf and Apache is running, so I'm assuming it's an iptables issue. ...
0
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1answer
310 views

install centos on virtualbox, your partition is less than 4671mb

I am trying to install CentOS under my VirtualBox but keep on getting this error: "The following errors occured with your partition: Your / partition is less thean 4671 MB which is lower that ...
0
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1answer
106 views

OpenVPN useradd error

I tried to install an OpenVPN access server in Centos 6 on a linode VPS. The installation error occours when adding the user "openvpn". However, the installation is okay for my ubuntu 11.10 distro in ...
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0answers
354 views

CentOS 5.5 root password no longer working after change, ftp works fine

I recently had to change the root password to one of our servers due to personnel reasons. The root login was being used both for ftp access, as well as SSH to maintain the server. I changed the ...
1
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0answers
351 views

Virtual Machine Got Frozen on start of installing FreeBSD, on CentOS6.3 KVM

Problem description: In the installation section, after I entered the virt-install command with proper arguments(shown below) to build the virtual hardware configuration, and connected to the vm ...
0
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2answers
943 views

Replace sqlite3.3.6-5 for sqlite3.7.0-1 on centos5

I want to update my sqlite3 version. I'm using centos5 (VPS requeriment), I have a new version downloaded (.rpm) and a previous installed (with the os) I have this error. Well, I have noob on ...
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1answer
1k views

linux zip and tar all files with a specific extenstion recursively maintaining directory structure

Similar to this question and this question I'd like to make a single compressed tar file (files.tar.gz) that contains all the php files in my webroot and all it's subdirectories, maintaining folder ...
1
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0answers
23 views

How to convert a VMWare virtual disk to a physical disk? [duplicate]

Possible Duplicate: Convert a Windows VM to physical partition I have a dual boot setup with Windows 7 and Ubuntu installed. I also have a VMWare image with CentOS and want to migrate this ...
3
votes
2answers
803 views

Can't use VirtualBox shared folder as Apache document root

Having jumped through several hundred hoops I've finally managed to get Centos 5.8 to mount a VirtualBox shared folder (which is not read-only), which now appears at: /media/sf_sites This is a ...
0
votes
1answer
55 views

Unable to view users and groups

I am using Centos5 running on a VMWare but whenever I choose to open the User Manager menu from System->Administration, an error message always displays The user database cannot be read. This ...
0
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1answer
5k views

can't run lspci in centos 6?

trying to run lspci but it doesn't seem to be working? [Ramy@localhost ~]$ sudo yum install pciutils Loaded plugins: fastestmirror, refresh-packagekit Loading mirror speeds from cached hostfile * ...
1
vote
1answer
128 views

Samhain performance and trouble shooting on Centos 6

I am new user to Samhain so don't know much about it except the fact why its used. Now I am finding my samhain-2.8.5 on centos-6 is consuming too much of CPU. Its almost eating up 2 cores and I cant ...
3
votes
1answer
2k views

How do I use novnc on CentOS 6?

I came across novnc in a yum search, and wanted to use it so I installed. However, there is no information on how to actually use it. The novnc_server command exits with "Could not find vnc.html". The ...
0
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1answer
233 views

CSF Unresolved issue

I began receiving service failures for CSF/LFD once the limit was reached in iptables preventing the service from working properly. I flushed all iptables rules, and redid by rules using CIDR rather ...
0
votes
1answer
169 views

setting up rsync to sync a server

I have a server with 30gb of content on. It runs Centos. anyone got any tips on running rsync to sync it to a hard drive (on my local machine)? Is there any way to use rsync but also have 'version ...
0
votes
1answer
52 views

Looking at current desktop through ssh

Is there any way for me to look at the current running desktop through ssh? Meaning, if I ssh from machine A to machine B, I get terminal access in machine B. And if I run ssh -X from A to B, I can ...
2
votes
1answer
213 views

Install CentOS 6 entirely from a script?

After having to manually install CentOS 6 on a few servers, with the same configuration (Software RAID 1, partition size, etc.) is there a way to prepare this to run entirely from a script? Or a ...
0
votes
1answer
308 views

How to trace the X window events being generated on Linux?

I recall in the past having a tool to run on Solaris that would allow me to see what X events are being generated by the keyboard and mouse. What is the application to do this on Linux Centos4?
2
votes
4answers
6k views

Why can't I find termcap library when I build gdb?

make and then failed with: configure: error: no termcap library found, but that termcap lib is just there, why can't make find it? checking for library containing zlibVersion... -lz checking zlib.h ...
2
votes
2answers
1k views

Why did rtorrent fail to build?

I am not root, so I have to build rtorrent from source and hope to install it in my home directory, but it failed, why? [mirror@hugemeow rtorrent]$ ls AUTHORS autogen.sh ChangeLog configure.ac ...
6
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2answers
3k views

node.js on CentOS box is at v0.6.18, yum doesn't update or upgrade it. Why?

I'm currently working with a CentOS box that has a version of node installed, when I do: nodejs -v I get v0.6.18 But I noticed on nodejs.org website, that the latest release is 0.8.12, so do: ...
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1answer
195 views

Why did I fail to build boost from source? [closed]

This issue is not the same as http://stackoverflow.com/questions/7644205/is-it-possible-to-have-an-unrelated-autotools-project-inside-an-autotools-projec The error message is as follows: ...
0
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0answers
445 views

Check Hard disk status with RAID 5 configuration in Centos 6

I have a PC with 6 HDD (for data) and 1 SSD (for Centos 6.3) with on board intel RAID 5. I'm pretty aware that upon any hard disk failure the system will continue normally but more stress on the CPU ...
2
votes
0answers
290 views

Authenticate Mac OS X Mountain Lion against EL6 OpenLDAP only succeeds for ssh

I'm having an issue with mountain lion authenticating against a CentOS 6 openldap/krbkdc server. I can ssh into the macs in question and I am issued a ticket and all autofs mounts (like the homedir) ...
1
vote
1answer
135 views

/etc/sudoer/ - Is it possible to enter into single user mode through putty?

I accidentally chown the /etc/sudoer/ folder so that my sudo command no longer works. (I can only ssh into this Linux Centos vm on windows azure) I don't have the root password and I wonder how I may ...