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

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Unable to ping CentOS virtualbox

I have created a virtual machine for CentOS in VirtualBox using an NAT connection (It wont work under Bridged). Now the problem is I can ping from CentOS to my IP on Ubuntu with no problem but I ...
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1answer
12 views

Problems creating nested directories in VSFTP on CENTOS7

So here at work, I was asked to migrate some of our services from Windows to Linux using free software, including for proxy, DNS, and FTP. I was also asked to try to avoid GUIs, so I went for CentOS ...
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1answer
2k views

CentOS 6.5 Login Screen GDM Issues

I have a few issues with the GDM login screen. I am using CentOS 6.5 and installed GNOME. I was able to change the background of the login screen by replacing the default.png image on the system. ...
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1answer
36 views

How to edit /etc/sysconfig/iptables from: RESCUE MODE boot?

Let's say the /etc/sysconfig/iptables needs to be edited because, due to it I can not ssh to my server. I start my server in "Rescue Mode", but when i login, there is no such thing as ...
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linuxrescue — **RESCUE**] : Edit /mnt/grub/grub.conf and boot normally?

It turns out when my linux starts in RESCUE MODE as in.. [linuxrescue -- **RESCUE**]# it probably starts in a 32 bit environment rather than a 64 bit environment and thus.. when i do these.. ...
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2answers
1k views

I'm not able connect internet from vmware player with centos

I installed centos 6.4 and when I installed I set the network config. But somehow centos did not save them. Now I forced server to use dhcp but it is taking wrong IP address and it is not able to ...
4
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1answer
7k views

How can I install latest VLC player in cent os 6.4?

I have installed cent os 6.4 in my laptop, I want to know the method of installing VLC in cent os 6.4, Is it necessary to download the vlc package and compile or can I use ''yum install vlc'' to ...
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2answers
60 views

Domain Name problems in CentOS hosted under VirtualBox

When I ping www.google.com I get: [root@ryanPC ~]# ping www.google.com ping: unknown host www.google.com Also, when I run ping -n 8.8.8.8, I get: connect: Network is unreachable So I have ran the ...
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0answers
8 views

How to install mutliple PHP instances and configure for Apache

I need to upgrade my PHP installation on CentOS 6 from 5.3 to 5.5. While I have a couple of webprojects running I like first to install the new PHP in parallel and switch back to the old one if ...
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1answer
24 views

Install TFTP-Server without Internet

Due to some company policy, I cannot connect my Centos linux computer to the internet. However, I would like to set up a TFTP-Server, and I saw a tutorial that does this here. ...
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2answers
358 views

Make problem with includes

I am installing imagick-v3.1.0RC2 package on CentOS 5.5. I have ImageMagick 6.7.9-9 installed as well and have a problem on the make step. Problem is that its cannot find included file: ...
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1answer
43 views

Can subsequent nameservers defined in /etc/resolv.conf be used if the previous nameservers can not be resolved?

I don't know much about networking...but I've been spending a lot of time reading about it. In my /etc/resolv.conf I have listed 3 nameservers. I understand that the second name namer is used only ...
4
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1answer
357 views

How to change the repository settings for yum installer?

I am pretty much new to Linux. I am trying to install tint2 on CentOS. When I try to install using the command yum install tint2, it gave following error checking for X11... configure: error: Package ...
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1answer
15 views

How can I set up Virtual Hosts in Centos7?

I am trying to set up virtual hosts in Centos7. I followed this guide: http://twohlix.com/2011/05/setting-up-apache-virtual-hosts-on-centos/ however I keep getting the following error: Job for ...
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2answers
58 views

How can I make iptables service start automatically after reboot on CenOS/RHEL7?

I am having a few issues with a newly installed home server I am preparing. I have installed CentOS7 on it and I found that port 80 and 443 are off by default. I therefore added them to the iptables ...
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1answer
15 views

Cannot ping machine on eth0; Pings fine on wlan0; Centos 6.5 on Dell D610

I recently installed Centos 6.5 (32 bit) on an old Dell D610. It has both a lan port and a wifi. When I assign the wifi a static IP, I can use it as a server, connect to it from other machines etc ...
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2answers
23 views

Editing /etc/init.d/mysql to remove mysql.sock automatically

I am running MySQL on a CentOS release 6.5 (Final) virtual machine. It is used for testing Joomla. The phyiscal host reboots frequently, which is fine. The VM, however, does not perform a clean ...
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2answers
459 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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1answer
23 views

What is the default idle timeout for OpenSSH?

I can't seem to find an answer to this simple question, which I need for some compliance documentation. On a default install of CentOS 6.5 (OpenSSH 5.3p1-94.el6), after how long of being idle will ...
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2answers
377 views

yum update presents hponcfg-4.2.0-0.x86_64 conflict

I am in the process of trying to get Cacti installed onto an HP DL360 running Centos 6.3. Running yum update presents me with a few updates but when entering y it returns an error. How can I solve ...
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2answers
3k views

Realtek r8169 not working in CentOS 6.5

We have recently purchased Gigabyte 990xe-ud3 motherboards. It came with Realtek LAN conroller. However with CentOS 6.5 it is not working, i.e. although it shows that it's connected with network, it ...
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1answer
2k views

How to remove Oracle Wallet using orapki?

Hi i'm on Centos using oracle 11g And i've created a wallet using : $ orapki wallet create -wallet /u01/app/oracle/admin/DB11G/wallet -pwd WalletPasswd123 -auto_login Now i want to remove it to ...
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0answers
29 views

How do you run CPU at turbo speed continuously

processor : 7 vendor_id : GenuineIntel cpu family : 6 model : 60 model name : Intel(R) Xeon(R) CPU E3-1230 v3 @ 3.30GHz stepping : 3 cpu MHz : 3299.670 ...
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1answer
40 views

Why does sendmail's status keep changing to “dead but subsys locked”?

Every day I get the output of sudo service --status-all emailed to me using crond. The server is a CentOS 6.5 web server which I use to host a few WordPress websites. Occasionally sendmail will change ...
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2answers
716 views

plesk update fails

I have a dedicated server running CentOS 5.3. I'm trying to update Plesk 9.5.2 to version 10.0.0 but update fails. I do it with yum: yum update psa* --skip-broken -t but it fails and I get the ...
2
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2answers
996 views

Static routes in route-eth0 ignored

Why might route-eth0 be ignored but route-eth1 not? Might be because eth0 is using DHCP and eth1 is statically-configured? I have some static routes configured in ...
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0answers
21 views

Cifs mount a windows share that goes offline

I have a windows share on my workstation that I need on my CentOS 7 server. I have this set up in my fstab as the following: //XXX.XXX.X.XX/Share /mnt/workstation cifs ...
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2answers
66 views

Centos installation

I want to install CentOS 6.4 on HP DL380 G4 server. First of all I select install or upgrade an existing system, but it boot something like without graphic (like basic video card). My main problem is ...
4
votes
1answer
283 views

Windows Changes File Permissions in Samba File Shares

I have mounted an external USB drive that is used for file shares on CentOS. All of the clients access the shares are Windows XP or 7. Within Windows, I use the "Manage your credentials" feature in ...
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1answer
328 views

Unable to view traps through snmptrad?

I've been unable to view traps through snmptrapd. I generated a SNMP trap manually using the below provided snmptrap command: snmptrap -c public -v 2c -n "" localhost 0 uptime But I'm ...
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1answer
277 views

Unable to find an option to install CentOS 6.4 (64bit) in command line (linux text) for Asterisk

I am trying to learn Asterisk, so I downloaded the latest CentOS 6.4 (64bit) to install on VMWare Workstation 9. When I started the installation it is not giving any screen to start the installation ...
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2answers
49 views

Should I update OpenSSL? [closed]

Since the problems with version 0.9.8 of OpenSSL, I have some queries. I am told that I do not have a vulnerable version, but I want to know what your recommendations are. Should I update to a more ...
0
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1answer
72 views

Google App Engine alternative for CentOS, Fedora, Ubuntu?

I have written WebRTC Apps which is Python and Google App Engine. Google App Engine is not freely available to use for production release, so I am looking alternative of it for CentOS, Fedora. Can ...
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2answers
12k views

How to solve “building the main Guest Additions module Failed”

I tried to install the VirtualBox Guest Additions module in a VM guest running CentOS but I get this error message when everything else was okay: building the main Guest Additions module Failed ...
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1answer
630 views

Increasing Command Line Resolution Centos 6.4 VirtualBox

I running CentOS 6.4 in just CLI mode. However, I have a 1080 monitor and the resolution from the CLI interface is horrible. Do I still have to install Guest Additions in order to increase display ...
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1answer
1k views

What caused my CentOS 6.4 box to reboot itself?

I noticed that the MySQL daemon running on my CentOS 6.4 machine was suddenly not running anymore. I checked the MySQL log, but didn't see anything relevant: 121229 22:17:45 mysqld_safe mysqld from ...
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1answer
894 views

Setting up SMTP-AUTH & TLS in Postfix

So I have been in the process of installing a Postfix Server on my CentOS 6.2 Virtual Private Server. I have been following this tutorial: ...
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3answers
208 views

Which Red Hat Enterprise Linux packages for CentOS?

I want to use a Red Hat Enterprise Linux RPM software package on CentOS 5.6, but I don't know which version of RHEL works with CentOS 5.6. RHEL 4 = CentOS 4? RHEL 5 = CentOS 5? ...
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2answers
476 views

installing eric5 in CentOS 6.4

I am trying to install Eric Python IDE 5 in my CentOS 6.4. The problem here is even I have installed PyQT4 its again saying that module is missing. what I am supposed to do ? here is the terminal log ...
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2answers
345 views

yum install mod_auth_token not working on CentOS

On CentOS 6.5 how do I make yum install mod_auth_token work these days? According to my own HOWTO I wrote 12 months back, you used to be able to just type it now you have to DIY it, which is bad ...
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2answers
96 views

Yum on CentOS 7 repositories may be broken

Just got CentOS 7 on a new server and I went yum install httpd and it went fine. Afterwards I went yum install mysql-server and I got No package mysql-server available. I haven't messed up with the ...
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2answers
60 views

How to create a bootable USB with Windows?

How would I go about creating a CentOS 7 bootable USB drive with Windows? I've read the howto page for it and it says that Unetbootin and Universal USB installer won't work for CentOS 7. In addition, ...
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1answer
2k views

Alternatives not working well for Java installation on Centos 6.4

I am trying to installing on Centos java from Oracle. Following are my steps. yum install /usr/local/jdk-7u3-linux-x64.rpm alternatives --install /usr/bin/java java /usr/java/latest/jre/bin/java ...
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0answers
9 views

Error on building and installing memcached php extension

I have problems to run make on the latest memcached PHP extension, on CentOS 6.5: pecl download memcached tar zxvf memcached-2.2.0.tgz cd memcached-2.2.0/ phpize ./configure ...
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1answer
2k views

Installing Dovecot and Exim on CentOS 6.4

I've been looking for some guides on setting up a secure Dovecot and Exim mail server setup on CentOS 6.4, however it seems there's nothing out there. Does anyone know of any guides - or - if someone ...
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1answer
16 views

Centos VFS cannot open root device

Yesterday I did a kernel update on a virtual machine. When I restarted the machine unfortunately I got the error Kernel panic - not syncing VFS After some searching I found out I should go to GRUB ...
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1answer
1k views

Centos 6 stuck at loading splash screen after successful installation

I'm trying to dual-boot CentOS with Windows 7. My current disk layout are as follow:- /dev/sda1 - Windows 7 /dev/sda3 - NTFS partition I created a standard partition for /boot and that was ...
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1answer
33 views

How to set the prompt and tab-title on Gnome-Shell (Gnome 3, centos 7)

This is embarrassing, but I don't seem to be able to set the command-prompt or the shell title. I'm using Gnome3 on centos 7. PROMPT I've added the following to ~/.bashrc: export PS1="\w \$ " The ...
2
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1answer
1k views

CentOS Local User not able to view directories/files via FTP login

Currently running CentOS 6.5 with vsftpd. As a newbie, I would like to explain my process and then have the proper process explained back to me from scratch which I believe will solve my issue. I am ...
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1answer
20 views

SSH key authentication works with /usr/sbin/ssh -d, does not with the daemon?

CentOS x64 6.5: if I connect as root to my server and do the following: service sshd stop /usr/sbin/ssh -d I'll able to connect as user using public key authentication from my development machine: ...