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

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2answers
30 views

Apache Tomcat not working

I am a Linux beginner and have CentOS 6.4 installed on VMware. Recently installed Java SE8 and Apache Tomcat server but I cant't connect to the server by using `localhost:8080' browser says Unable to ...
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1answer
226 views

Yum Returns Errors when using

When I try to use Yum (e.g. # yum update) I get an error and it prevents me from using Yum. Any help on this would be really cool! This is the error that I get when I try to run a Yum command: # yum ...
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0answers
36 views

Centralized package management for RPM based distro

We have about 6 servers under Linux CentOS. And I want to have possibility to view (best will be some web-interface, but console-only useful too) outdated packages, which can be updated and have all ...
2
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2answers
352 views

SMB Mount To Windows Server Appears to Lock up. Any Ideas?

We are running CentOS 6.3 with all the latest updates. (Attempt to resolve this issue) The Server I am trying to connect to is a Windows Server 2008 R2 box. Though this applies to our old SBS'03 Box ...
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2answers
44 views

How to install dig on CentOS 6?

I can't find the dig command on my new CentOS 6 installation. I've tried yum install dig but it say it cannot find the package. How do I install dig on CentOS 6?
2
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1answer
44 views

Open multiple directories in different tabs in the same window in CentOS

How can I set my CentOS to be able to open multiple directories in different tabs in the same window? I have already enabled the feature to open the folders in the same window, but this is different: ...
1
vote
1answer
181 views

Runtime User Privilege Management ColdFusion on CentOS cPanel

I'm needing to understand the correct workflow for managing permissions to allow the ColdFusion 9 runtime user {coldfusion} to have access to user accounts. The germane elements ... Centos 5.8 WHM ...
1
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1answer
73 views

How to install applications from KDE desktop on CentOS

I've just installed CentOS 6.5 in a virtual machine. I know how to install packages with command-line yum but I'm wondering how to do the same from the GUI (KDE). They apparently did not write ...
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1answer
45 views

How to copy access.log lines by time?

I have a huge webserver access.log in CentOS. I access it over remote VPN so I cant copy the file or read it directly. I know the specific time in the logs I want to copy, but it is too far back too ...
2
votes
1answer
20 views

Obtain pop-id or IP address when client logs into Dovecot server

Background I have been doing some research on the Dovecot mail server documentation on ways to get client information when a client connects to the server. I am interested in using these to program an ...
1
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2answers
45 views

Can't access ssh in my VM Centos

My Cento's IP is diferent of the normal. And I cant access it in a ssh command And when I tried access using ssh noting I want to use ssh and samba client, but my IP is diferent. And I have ...
3
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1answer
29 views

Is there a secure (https) official site for CentOS iso hashes?

When I download a CentOS ISO the mirror has sha1sum.txt and other hash files, but I can't verify that these files haven't been tampered with as well. (One exmaple ...
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4answers
72 views

My server has been compromised; how do I delete these files that the attacker left behind?

My vps was hacked and hacker created alot of symbol link in directory. I try with FileZilla to delete this directory but not work I try with SSH and use rm but not work too. Please help how to ...
4
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1answer
1k views

grub error : “File not found” for separate /boot/efi partition

I've installed CentOS 6.4 on UEFI enabled machine, created /boot/efi partitions. But my grub is not automatically starting, if I start the PC, I start in Windows 8. I can only start CentOS by ...
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8answers
3k views

CentOS 6.5 installation hangs on first screen

I'm trying to install CentOS 6.5 in Virtual Box. The problem is, the installation hangs on the first screen after waiting about 10 seconds. How can I pass this screen? The steps I installed: 1) ...
1
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2answers
96 views

My Postfix installation is sending out spam; how to stop it?

Since a few days, my web/mailserver (centos 6.4) is sending out spammails by the bunch, and only stopping the postfix service is putting an end to it. SMPT is set up to only accept connections over ...
0
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1answer
27 views

Crontab in Daylight Savings

This weekend with daylight savings, we had a situation that when the system clock hit 3:00am from the jump, we had hundreds of processes fire off out of the crontab. Everything I'm reading says that ...
1
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1answer
284 views

Can't find vgaswitcheroo directory in CentOS6

I've installed CentOS6 on my laptop, which has a built in VGA and a discrete (AMD) VGA. I used to switch AMD video off in other distro's (e.g. Fedora, Arch) using: $ echo OFF > ...
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2answers
49 views

Error 8000: Bad sectors when installing Centos 6.5 Minimum

I downloaded the ISO Centos 6.5 i386 and burned it onto a disk. When I try to install it on my computer, I get the following with install or upgrade an existing system .loading vmlinuz..EDD: Error ...
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3answers
52 views

Mount a second ssd drive on centos - How can I figure out which is the unused drive?

I need to mount my secound ssd drive to /home2. I already created the folder /home2 - Now, how can i figure out which is the unused drive ? Is this /dev/sda or sdb ? What is the exactly thing i`ve to ...
1
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2answers
1k views

CentOS 6.4 Mail Server

I'm trying to install a mail server on my root server. I'm relative new to Linux but not a absolute beginner. There are many many how to's on the internet I tried to get my own mail server with ...
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1answer
191 views

SMTP issues - unable to connect : CentOS 6.5, Postfix, Dovecot, MySQL

I'm trying to setup an email server on a CentOS system with Postfix, Dovecot and MySQL. I'm following this article for an Ubuntu system: ...
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2answers
112 views

How to know which hard disk is the new one and which one is the old one

I ordered 2 SSDs from my provider. However, which drive is the main drive? How do I know which drive is the new SSD drives?
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0answers
19 views

How can I list all the dependencies necessary to install PHP-Soap?

I have a server running Centos 5.10 with no internet access that I control remotely on which I'd like to install PHP-Soap. I also have an identical box in the office which is a clone of the remote ...
1
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1answer
2k views

SELinux Write access for vsftpd and samba

This should be easy enough I think, but I'm new to SELinux. I have a CentOS 6 file server. I have some LVM file systems at /var/media and I want to use both Samba and FTP to share them with a Windows ...
0
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1answer
4k views

enable apache mod rewrites to load clean-urls

In CentOS, a2enmod rewrite results in “command not found” but httpd -M lists rewrite module as listed and shared. I'm trying to enable it so can then have these rewrite rule apply so I can switch back ...
1
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1answer
89 views

Unable to get Gnome desktop after installing from CentOS 6.5 minimal

I have just installed CentOS 6.5 minimal. The reason I installed the minimal version is that the full version had ISOs of over 3GB each and my CD-RWs can only told about 750 MB. I would like a ...
1
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1answer
33 views

Httpd can't access file even after setting httpd_sys_content_t

I'm currently learning SELinux. I was following the instructions in SELinux doc of RedHat. I indeed succeded after typing the following commands: mkdir /mywebsite //add something to ...
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1answer
24 views

centOS 6.5 i386 Minimal Installation Ends with Arrow of Black Background

I am installing centOS 6.5 for i386 using Minimal installation. I boot up computer with the disk and choose install or upgrade an existing system Everything proceeds without any errors but it ends ...
3
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2answers
676 views

file still read-only after a mount --bind from a rw partition

I use mount --bind to "overlay" a file from one ext4,rw filesystem onto another file in ext4,ro filesystem. For example, /etc/hosts is on a read-only / partition, but I have another partition where ...
8
votes
3answers
406 views

Using real time kernel headers to compile userspace code vs default headers

Per customer requirements, I installed CentOS 5.6 with the default kernel. With this kernel installed, the time.h file includes the #define CLOCK_MONOTONIC. Now, a real-time kernel was installed ...
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1answer
507 views

Upgrade OpenGL from 1.2 to 2 for Nvidia GT218 [GeForce 310]

To run my application OpenGL version 2.0 or higher is required. glxinfo | grep OpenGL yields: Xlib: extension "NV-GLX" missing on display ":1007.0". OpenGL vendor string: Mesa project: ...
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1answer
178 views

security concern around adding cron user to web application group

I have a permissions issue on my CentOS 5.6 machine with regards to the cron user. On my test/staging environment my cron user (picco-cron) is a member of one group - picco-cron, as below: ...
2
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1answer
1k views

Problem Starting MySQL on new Centos 6 build

I have a VPS with ChicagoVPS that's running Centos 6. Official version of the build is: Linux RedHat 6.5(Final 2.6.32-042stab078.26 x86_64) I followed this guide to add the repository and ...
0
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1answer
33 views

Captured cursor invisible with Centos 6.4 running on VMWare Player 3.1.6 on Ubuntu 11.4

I have a very old (c. 2001) computer and the most recent version of Ubuntu that it can run is 11.4. I am thinking of replacing Ubuntu with Centos 6.5 but am not sure if the hardware can handle it. I ...
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1answer
975 views

Ffmpeg problems on centOS 5.8 64 bit

I did install ffmpeg with winff, unsuccessfully when I try converting avi to x264, it says I don't have it. When I try to convert mp4 to Xvid I get unknown encoder 'libxvid'. It's like nothing really ...
5
votes
1answer
268 views

How can I make the eth1 up and always available for remote access, where eth0 will be used for host to host IPSec VPN?

I am running Amazon EC2 instance with Red hat enterprise linux, where I have two network interface. Now: eth0 is currently active having public ip where I am remotely logged in via SSH, to ...
2
votes
1answer
230 views

Missing dependency during rpm install

When I install CodeAnalsyt, i get a failed dependency on libbfd-2.20.51 on Centos 6.3. Binutils is installed on my system and the failed dependency does exists at ...
10
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1answer
276 views

How can I monitor CPU usage by user?

I need to monitor CPU usage by users of two servers' (Ubuntu and CentOS). For example: user1 5% user2 10% ... Is there a tool similar to top or htop that can do that?
0
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1answer
27 views

installation causing error

I have downloaded g2ipmsg from http://www.ipmsg.org/archive/g2ipmsg-0.9.6.tar.gz while installation this package it causing some error checking for G2IPMSG... configure: error: Package ...
0
votes
1answer
567 views

Setting permissions with FTP

I'm having some issues setting up permissions for FTP. Read another thread on here regarding it, but I wasn't sure if it really matched what I needed. Essentially, right now I've got the client's FTP ...
5
votes
2answers
4k views

How to install CentOS 6.4 on Mac Mini?

I have bought a new Mac Mini, and would like to use it as a Linux server. Now I'm trying to install CentOS on it. I downloaded CentOS-6.4-x86_64-netinstall.iso and booted the Mac Mini from a ...
5
votes
1answer
58 views

What is the effect of setting the timeout value to 0 in /etc/resolv.conf?

In order to fix a problem with DNS resolution in a particular customer environment, their admin has suggested adding options timeout:0 to the /etc/resolv.conf file on their CentOS 5 server. The man ...
0
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0answers
19 views

Move Complete ORACLE from one system to another

I have 2 identical server with exact disk partitions (OS CENTOS 6.4 both ) [My college central oracle server]. Entire ORACLE HOME ( bin , control files, data files everything on oracle) is on 2nd ...
0
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1answer
41 views

proftpd via mysql & web management of FTP users

I have installed prftpd and proftpd-mysql rpm on a linux machine. Intention is to have usermanagement of ftpusers via web. So I have installed proftpadmin from Here Now when I am adding the below ...
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1answer
236 views

User gets rejected after system crash on CentOS

The power went out on my PC running CentOS 6.3 while I was logged in as a regular user. Since then, when I try to login from the GUI, my screen flashes to black then returns to the login screen, ...
1
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1answer
259 views

ERROR: could not find driver after changing from mysql to mariadb

mysql was working fine but I wanted to give mariadb a try on a new server I have going. However I am having an issue where all my php websites seem to have issues communicating with mariadb. Webmin ...
0
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1answer
51 views

(CentOS-6.5) How to implement GNOME environment privilege escalation like GKSUDO?

How would I implement a GKSUDO -like privilege escalation control on CentOS 6.5 workstations? (standard GNOME config, x86_64 and i386) I do not want to share the root password with users, and some of ...
1
vote
1answer
57 views

How can I have a SSH banner appear BEFORE the “login as:” prompt? [duplicate]

CentOS 5.x When I enable the Banner /path/to/banner parameter in my sshd config file, the banner displays AFTER the login as: prompt. For example: login as: foo ...
1
vote
1answer
41 views

Can Start Service With init.d script, however doing service <SERVICE_NAME> start does not work

I am running CentOS 6 and I am trying to get my Oracle database to run at startup. I have been following these steps: ...