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

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Different package versions in different repositories

Following the advise on Using Awesome window manager on CentOS 7, I installed the fedora 19 repository so I could get Awesome working on CentOS7. However, when I run yum update, I am getting this ...
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2answers
722 views

Using Awesome window manager on CentOS 7

Awesome works fine on Fedora 19, so it should work on CentOS 7, right? Well, I tried and failed to get it to work. After a long time, I managed to compile it from source and set GDM to boot from an ...
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3answers
1k 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
40 views

rsyslog: how do I set up remote logging?

I am simply trying to set up a remote logging system. I think my setup is correct but it fails and I can't get any messages from rsyslog to show up in the logs, so I can't find out why. My iptables ...
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1answer
954 views

Empty desktop after installing xrdp on Centos 6.5 with XFCE as window manager

I followed the directions to install xRDP from this site (http://ajmatson.net/wordpress/2014/01/install-xrdp-remote-desktop-to-centos-6-5/) When I RDP from Windows -> Linux, I successfully enter ...
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2answers
1k views

What does eno mean in network interface name 'eno16777736' for CentOS 7 or RHEL 7?

Under consistent network device naming scheme, what does 'eno' stand for in network interface name 'eno16777736' for CentOS 7 or RHEL 7?
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4answers
12k views

Yum update problems on CentOS 6.5 minimal as VMware guest

INFO: I am using Windows 7 Pro (64bit) with VMware Workstation version 10.0.1 . I am using CentOS(64bit) 6.5 minimal, for the first time. I am running this from my workplace network, which may use a ...
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0answers
15 views

Accessing CentOS7 server from public

recently I switched to CentOS 7 OS and set up basic webserver with Apache. I had no problems configuring SSH, FTP and LAN access to the webpage. But accessing from other IP's won't work. I'm 99% sure ...
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1answer
882 views

What's wrong with this udev rule?

I'm reading through this link in trying to make the appropriate rule to make the BSG device nodes have group ownership of wheel and permissions of 0660. This is the rule that I have: [user@mylinux ...
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0answers
7 views

Asus T101 Touchscreen Not Recognized

I'm running CentOS 6.6 x86 on an ASUS T101-MT which originally came with Windows 7... Is there a way to get the touchscreen to work? I couldn't find any answers for this online and everyone seems to ...
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1answer
24 views

scp a file from one server to another one, got “permission denied”

source server IP 162.244.xxx.xxx file -rwxrwxr-x 1 user1 admin 36005278 Sep 10 2013 filename.tar at destination server scp user1@162.244.XXX.XXX:home/filename.tar ./ got a Permission ...
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1answer
43 views

CentOS 6 drbd is not available

In CentOS 6 (6.6), the drbd package is not available, neither from the extras repository. There is some information on the Net, like configure-drbd-centos-6-5, which I assume will work on CentOS ...
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0answers
22 views

Port randomly closing (iptables)

I'm running CentOS 6.5 on a VPS and one of the services I have running is murmur/mumble (A voip application). The issue I'm having is that the port clients connect on will be open when I initially ...
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9answers
57k views

Is CentOS exactly the same as RHEL?

I'm sure this question has been asked again and again elsewhere (I did not find anything specific to CentOS vs RHEL in SE), but I would still like to ask and confirm a few specific points. I am well ...
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1answer
1k views

What is SSTP vpn server and how can I run one?

I've read a couple of L2TP and PPTP tutorials on the net and there are just dozens of "running PPTP/L2TP on Linux" guides available out there and I successfully made packages like open-swan or pptpd ...
2
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1answer
600 views

can't connect to samba drive in centos 6.3

#smbclient //ballzdeep/torrents Server not using user level security and no password supplied tree connect failed: NT_STATUS_BAD_NETWORK_NAME Does this mean i need to require username and password ...
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1answer
18 views

cannot connect mobile device to tomcat on Centos Linux

i have my web services in local and run in Tomcat and it works (in local). Now i want to connect from smartphone browser to this tomcat. For example my Pc have ip:192.168.1.140 and my ...
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0answers
29 views

centos virtual machine not registering with intranet dns server

When I am creating a Ubuntu virtual machine on virtual box it automatically registered with DNS server in my intranet network, it has both intranet IP and domain name. When creating CentOS virtual ...
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1answer
771 views

Trying to get firefox running on CentOS 6 minimal iso - can't open display

I've got minimal CentOS 6 running on an Oracle VirtualBox on a Mac. I'm trying to get Firefox up and running so I can download some web files into the VM. I installed Firefox (yum --enablerepo=remi ...
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1answer
792 views

Centos 6.5 iconv 2.5 glibc

I'm using Centos 6.5 x64 for developing purposes. I need to install iconv 2.5 but could not find how. Centos 6.5 glibc version is 2.12 On Centos 5.9 glibc version is 2.5 Why newer Centos uses older ...
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0answers
28 views

Samba 4 has high CPU usage when accessing mapped drive through Windows

I have noticed that when I access my Samba share from Windows, the smbd daemon will always use aprox 10-20% CPU - no matter if the share is used or not from Windows. Even if I close the share/window, ...
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0answers
8 views

VSFTPD Home Directory CentOS 6 [duplicate]

I’ve installed vsftpd on my CentOS 6 server and it works fine. I’ve created a user and can connect to the server and edit files in that users home directory fine. However, I am trying to be able to ...
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1answer
3k 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
19 views

java upgrade problem on centos 6.5

I want to upgrade my jdk on a centos server, after some simple searches i found some solutions. From this link, you can see that the instructions are simple: jdk 7 installation guide for centos ...
2
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1answer
26 views

GRUB2 not detecting Windows; rootnoverify: command not found

Story: I had Windows on one partition, and an unallocated partition. I then installed CentOS 7 on the unallocated partition. (I selected the option for the installer to automatically create the ...
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1answer
41 views

Does all packages included in CentOS Everything ISO get installed along the base system?

The Everything ISO for CentOS is significantly bigger than the regular DVD ISO because it contains a lot more packages. Question: are these extra packages all installed automatically when I install ...
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0answers
56 views

Port Forward For OpenVpn

I have setup a OpenVPN server on CentOS 6, and it starts ok when i /etc/init.d/openvpn start it shows me Starting openvpn: [ OK ] so far so good, but ...
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1answer
13 views

How to install openstack havana (compute) in centos?

I am working openstack havana, so how do I install openstack havana on centOS? When i try to install it I get this error: Loading mirror speeds from cached hostfile base: centos.excellmedia.net ...
0
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1answer
65 views

Route Client Traffic Through VPN Tunnel

I have configured a vps following this tutorial, the server and client are successfully connected and can ping each other, server is at 10.8.0.1 and the connected client (android-OpenVPN Connect) get ...
1
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1answer
17 views

Configuring Named DNS zones (Centos7), specifically CNAME

having trouble with some DNS configuration, I have managed to get part of the site working, however adding the prefix 'www', I'm finding a little tricky. Essentially, what I want is mysite.net -> ...
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1answer
33 views

CentOS-7 Kernel Image has a “debug” suffix after a Kickstart installation

After finishing a customized CentOS-7 kickstart installation from a CDROM, the system has booted as expected and according to the ks.cfg file. At the grub menu the options I have are: CentOS Linux, ...
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1answer
45 views

Curl failed to read known_hosts file

I'm trying to download a file from a Centos 6 server using another Centos 6 server as client and curl with the scp protocol and I'm getting this error output: $ curl -v -O scp://cz/path/to/file * ...
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2answers
40 views

Tomcat 8 doesn't start

Upgraded tomcat 6 to 8 on Centos 7. I get this error in logs: /usr/local/ctera/apache-tomcat-8.0.14/bin/catalina.sh: line 421: -Djava.endorsed.dirs=/usr/local/ctera/apache-tomcat-8.0.14/endorsed: ...
0
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1answer
2k views

mcrypt, EPEL and CentOS 6.4

I am having issues installing php-mcrypt. I am not an administrator of any level. I have performed the following. Installed EPEL Installed REMI Configured EPEL Updated YUM Cleaned YUM Installed ...
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4answers
3k views

“The GPG keys listed for the ”atomicrocketturtle.com“ repository are already installed but they are not correct for this package.”

When running this on CentOS 6: yum update I accept the transaction summary that it presents and am then immediately presented with this: Downloading Packages: warning: rpmts_HdrFromFdno: Header V3 ...
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1answer
762 views

Fdisk cannot read size of this disk is 4.0 TB under RAID-0 enviroment

I have server from OVH data center , I have Two SATA Hard Disk Drive , each Disk Size 2.0 T.B , I have RAID controller card but I convert the RAID-1 to RAID-0 through OVH Rescue mode and here is the ...
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2answers
425 views

Allow remote MySQL to a specific IP - using CentOS 6.4

I've spent a day now trying to find out how to allow remote MySQL to work for my other virtual server. This is proving very difficult so I'm hoping you guys could help me out ;( I've used the ...
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0answers
15 views

Permissions doesn't change while mounting windows directories (mount.cifs)

I used this command: mount.cifs //192.168.1.106/ukv_sftp$ /home/admin/public_html/remote -o credentials=/root/.smbcredentials, uid=500, gid=500 but permissions set only for root user, uid=500 and ...
2
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1answer
21 views

egrep multiple patterns with dashes

I am trying to match the followings with egrep '201411[08|09|10|11]-[117|111]-' 20141108-111-xyz-abc 20141110-117-342-lala But for some reasons, the 2nd character class pattern ([117|111]) doesn't ...
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0answers
33 views

Where is module prefork.c settings in Centos 7?

I used to edit the settings in etc/conf/httpd.conf for better memory performance <IfModule prefork.c> StartServers 2 MinSpareServers 3 MaxSpareServers 3 ServerLimit 15 ...
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2answers
1k views

New local user can't login to vsftpd

I'm a bit puzzled with this one and could really use some help. We have a CentOS 6 box running VSFTPD as a dropbox for our customers. Each customer gets a local user and is chrooted to their home ...
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0answers
17 views

Centos web camera, fast application for snapshot?

I'm using ffmpeg for taking snapshots / still images with web cameras. I'm going to use several web cameras to take photos at the same time or one after the other (timelapse). It's important for me ...
1
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1answer
50 views

How can I manually reset RX / TX counters in ifconfig output without impacting data delivery?

CentOS 5.9 I'd like to reset the RX/TX counters in ifconfig output for an interface. My understanding is that these counters get reset during a reboot but I'd like to avoid rebooting. Is there ...
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1answer
764 views

Centos 6.5 from Desktop to basic server

I have already installed centos6.5 on a virtualbox, and I realized that I missed choosing the the basic server mode,can I change it now that the installation is over ?
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1answer
2k 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
780 views

Converting update-rc.d redis_6379 defaults to chkconfig command

I'm trying to run the command below on CentOS and of course I get command not found: $ update-rc.d redis_6379 defaults How do I then perform the equivalent using chkconfig?
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3answers
22k views

How To Install Virtualbox Guest Additions On CentOS via Command Line only

Reading the Virtualbox user manual, I finally got [here], which explains how to install Virtualbox Guest Additions on a Linux guest via Command Line. But it's not clear enough for me (I just started ...
5
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1answer
481 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 ...
4
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2answers
1k views

Can't resize lvm volume “lv_home is in use. e2fsck: Cannot continue, aborting”

I would like to shrink my logical volume for home directory, so that I can extend volume for root. df -h /dev/mapper/vg_mitoscomp-lv_root 50G 33G 15G 70% / /dev/mapper/vg_mitoscomp-lv_home ...
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1answer
1k views

System Halt on REBOOT, Shutdown & Restarts as expected

Recently went from Centos 6.4 to Centos 6.5. System is Dell T410 Tower. Whenever I reboot, system runs through post, passes IPv4 Settings, then announces: PCIe Training Error: Slot 1 system halted ...