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

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selinux allow port 8332 porttype

selinux is blocking port 8332. Now I want to unlock it. But what porttype do I have to use for an rpc connection? This is the message I get: SELinux is preventing /usr/sbin/php-fpm from name_connect ...
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1answer
35 views

Why won't the correct new version of Node.js install on CentOS 7?

Note: This is partially solved, but needs a little more attention. See notes at bottom of OP, and @Digisec's partial answer. I am trying to set up Node.js on CentOS 7, but the following commands ...
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0answers
5 views

grub can't find CentOS 7

My desktop was tri-booting between Ubuntu 2.04, CentOS 6, and Windows. I installed CentOS 7 in the space that CentOS 6 used, but update-grub doesn't result in the new CentOS showing up. I can only ...
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6 views

Centos 7 Gnome, blurry image problems

Sorry for not being very precise, I'm struggling with a problem I fail to identify to be able to find any solution. The image you see above is a screenshot of my problem, every time I need to ...
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0answers
20 views

Monitor mirroring

I need to mirror a remote monitor from a server running CentOS 6.5. With VNC I'm able to connect to the :0 display (that it's the one it is shown on the remote server monitor) but when I change user ...
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28 views

How to copy from putty and paste in another program

I'm using putty in Centos in order to connect to another Centos server. The copy/paste functions of putty in Centos is weird! I tried to select text to copy text and right click to paste it. The copy ...
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1answer
35 views

Failed to authenticate via ssh.Centos

yesterday I was trying to authenticate via ssh "ssh demo" and return me the following error. ssh: connect to host ip port 7221: Connection refused If you need more information I will provide it ...
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1answer
14 views

RPM dependency conflict between libX11 and libxcb

I have to install some packages for a vnc server on a CentOS 6.5 machine that has no access to repos (so I have to transfer the rpm packages I need using sftp). As I tried to install the package ...
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21 views

GRUB2: adding insmod xxxx module in the grub.cfg properly

I want to add my own custom grub2 module, for ex. xxxx.mod into the grub.cfg. How can I do that? For example, here i want to add insmod xxxx.mod below: ### BEGIN /etc/grub.d/10_linux ### menuentry ...
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17 views

'syntax error' at token '' on line 6:

I'm quite new to Linux and I need to build a local policy SElinux module. I'm compiling with audit2allow from a file containing the following lines : module lockx11vnc 1.1; require { class ...
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1answer
17 views

CentOS 6, having hard time with yum, repos and installing packages

I'm having some hard time with yum and hoped to get some help. My end goal is to install the pymssql library for Python. It fails because it needs freetds install. yum install freetds fails with ...
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1answer
34 views

Found Duplicate PV in LVM disk scan

I have a VPS, and I attached another hard disk to it. It contains the same partitions I have on my current disk; it has / and /boot and swap. I need all data on the / partition. Here is the output of ...
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1answer
9 views

How to make KDE menu (in CentOS) take new .desktop file into account?

My program's installer creates .desktop files into ~/Desktop and ~/.local/share/applications. In most Linuxes this is enough to create respective menu item and desktop icon. In CentOS 7 with KDE, the ...
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1answer
35 views

CentOS 7 Full Partition Size Not Available [on hold]

I am running CentOS 7 on a HyperV virtual server. I recently increased the size of the hard disk from 32GB to 64GB and used GParted Live to extend the partition, which seems to have worked as shown ...
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14 views

Issues with wireless

I am using CentOS7. I have two computers (www.fit-pc.com/web/products/fitlet/fitlet-t/). I am using NetworkManager and both devices are able to ping each other as well as the gateway. The problem is ...
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1answer
27 views

Exceeding memory issues on server using PHP

PHP has memory limits set at a global level in the PHP.ini file. I also know that they can be configured at the local level. Our memory limit for a query is set to 132MB, but we keeping getting ...
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35 views

mount: special device /dev/sda1 does not exist

I had a CentOS 6 server suddenly lock up on me after doing about 2 weeks of calculations for a project. Upon reboot, the machine would crash while attempting to mount the devices listed in the fstab ...
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26 views

Need help getting GitLab to work on CentOS 7.2 [closed]

I've got GitLab installed from the script on CentOS 7.2. I have apache setup with it. I'm not using nginx. I'm not sure why the web interface isn't working. Here is my config for gitlab and ...
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1answer
17 views

Create Shortcut to VMware

How would I create a shortcut to VMWare player on CentOS 7 desktop? A lot of people say it's not possible to create shortcuts on Gnome 3, I have seen it working with a special file, but i'm not sure ...
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1answer
25 views

How to remove password prompt when executing su <user> command in CentOS 7?

I have two users in my CentOS system User1 and User2. I am logged in as root user and trying to add User1 to sudoer list using visudo. I have entered the following line at the end of the file User1 ...
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33 views

CentOS 7 i386 Netinstall error: 'Error setting up base repository"

I downloaded the 32-bit CentOS 7 Netinstall version from http://mirror.centos.org/altarch/7/isos/i386/, and used the http://mirror.centos.org/altarch/7/os/i386/ as the repository during installation ...
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15 views

Firewalld / iptables on CentOS 7 - ports are not really being opened after recent update

My problem is that after a recent update I can no longer open any port. I have tried disabling firewalld and opening using just iptables. Ports are being "opened" as on the list that I have from ...
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1answer
20 views

“ Cannot find a valid baseurl for repo: base/7/x86_64” on “yum update all”

I am using Centos 7.1.1503 (core) as a VM. The host OS is Windows 10. I have created this VM, so this is a fresh installation of CentOS. My laptop has direct connection to the internet (no proxy) ...
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36 views

Build CentOS RPM for current git release, unsuccessful rebuild with alternate prefix

I am stuck in an effort to provide an maintain an up-to-date git release for a collection of CentOS Linux servers. I was hoping to be able to create binary RPMs that I could just have published to a ...
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1answer
33 views

Set Document Root for site?

Apologies up front for the silly noob question .... I have a CentoOS 6.7 server set up with Apache. I can confirm it is working correctly - say the machine's IP is 123.456.789.123, I can navigate to ...
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1answer
36 views

MySQL Access Denied (CentOS)

I have installed fresh MySQL server on CentOS, and started the MySQL server service with command. # /sbin/service mysqld start I checked the service and it is running. Currently I am logged in as ...
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15 views

CentOS 7 grub option is missing after upgrading windows 8 to 10

My system was dual booted with CentOS 7 and Windows 8. After I reinstalled the latest Windows 10 Pro and removed windows 8, my system is only booting with Windows 10 as the Grub2 is not appearing at ...
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12 views

CentOS, Vhosts.conf missing? [closed]

So I've created 5 pages on CentOS machine, I configured the Httpd.conf and vhosts.conf and everything works like a charm. Now after 3 months I log in and I can not find the vhosts.conf file ...
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2answers
71 views

How to update Linux servers?

I am planning to update a bunch of servers. Currently, I get an email every month, on the updates that are available per servers. I don't want to check ~100 updates per server, is there a way to ...
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0answers
44 views

CentOS is not booting up [closed]

I am using CentOS in a system which we can't connect to monitor. I edited the interface configuration files in /etc/sysconfig/network-scripts and used the command service network restart, the system ...
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1answer
24 views

Error starting Eclipse on Centos 6 (JVM terminated. Exit code=13)

After extract eclipse-jee-mars-1-linux-gtk.tar.gz and running eclipse I am getting following error. I have installed Oracle JDK. What would be the error and solution ? Java version [root@hithertech ...
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29 views

Job queueing on a single machine

I have a shiny new server for running simulations on, with a pair of Tesla GPUs and 32 cores, running CentOS 7.2. I'd like for multiple users to be able to submit jobs to the server that get queued up ...
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17 views

journalctl process eating up memory

I have a process run by root journalctl -b --system showing up on htop that is eating a ton of CPU. I understand journalctl is for querying the journal, so is it safe to kill the job without impact on ...
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1answer
27 views

I have no local IP on my CentOS 7.1 dedicated server

problem I've installed net tools and whenever I run ifconfig -a I come up with 2 network interfaces. Here is an example. [root@81756 /]# ifconfig -a eno1: ...
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3answers
46 views

How to change the Home directory of the currently logged In user

I am currently logged in into a CentOS server and I would like to change my home directory from /home/myuserName/ to /var/www/html/ I tried the below command : > sudo usermod -d /var/www/html ...
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1answer
17 views

Booting CentOS from live usb on OSX El Capitan

I have been trying to set up a live usb to use to study for the RHCSA/RHCE certification. CentOS launches and gives me the launch page I choose the standard option, I have not tried text mode etc. ...
2
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1answer
14 views

Can I move 0yum-cron from cron.daily to montly?

I installed the yum-cron package, configured too only check for updates and then mail me. But, doing this daily, seems a bit too much. I would like to do this monthly. The file is located in ...
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3answers
47 views

How can I do “yum upgrade” on an offline CentOS7 server?

I have a CentOS7 machine that is protected by firewall, I can only connect via ssh outside. I want to do yum upgrade on that server to upgrade the package. How can I do that? (we haven't got ...
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42 views

Is there a way to use epel and local yum together

I am using RHEL7. If I do a fresh install of RHEL7(with connected internet) and then installing epel rpm. All the packages are getting installed after that. But then few packages have dependencies ...
2
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1answer
30 views

Can't install man pages on minimal Centos Docker container

I have a minimal Centos 7 Docker image, and I'm trying to get some man pages on it to help in debugging my Dockerfile. Out of the box, it doesn't have much: # man ls No manual entry for ls Per this ...
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17 views

Unable to upgrade PHP 5.3.3 to 5.6 on centOS 6.3

I got a problem with upgrading PHP 5.3.3 to 5.6 on linux centOS 6.3. I've already search it on the net and got answers including here (Since it's a classic problem), but still not able to solve it. I ...
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1answer
27 views

Errno 5 Input/output error when running yum check-update

I tried to update a server over SSH, but when I ran yum check-update I got an error: [error 5] Input/output error I think this means the RPM libraries may be damaged or corrupt, but I'm not sure ...
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24 views

Installing Xfce4.12 on CentOS

My lab computer has been upgraded to a fresh install of CentOS7 during the weekend. So far so good. I would like to use Xfce over the default Gnome shell. I have super user access on the machine but I ...
0
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1answer
15 views

Add shared module to apache CentOS7

I have practiced with my apache 2.4.6 on CentOS7 and I have tried to add shared module. I can list my compiled modules using this command httpd -l. All shared modules is located in /etc/httpd/modules. ...
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1answer
44 views

ssh Connection reset by 192.168.x.x

I'm trying to ssh login from Mac OSX 10.10 into CentOS 7.1 on boot2docker by using public key authentication. The problem is that ssh shows Connection reset by 192.168.99.100 when I login to CentOs ...
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3answers
50 views

How to install Nginx while Apache running?

I am trying to install nginx as a backend proxy for Apache and I get this errors: === Install Nginx from official repositories === Loaded plugins: fastestmirror, remove-with-leaves, tsflags, ...
0
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1answer
16 views

Does CentOS 6 have a kernel-module-extra equivalent?

I am attempting to activate and use my TPM module, but all online instructions suggest I install kernel-modules-extras package. The problem is, I cannot find this package type for CentOS 6. Is this ...
0
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1answer
11 views

agetty dumb terminal option

I'm trying to set up a CentOS distro to output on a serial console. I went through all the steps described on this page . My question concerns the agetty command: exec /sbin/agetty ttyS1 19200 ...
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20 views

I cant find preference in centos 7

I just installed centos 7 and the desktop is missing the preferences section how can i add preferences to my desktop?
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35 views

Different ways to use my cloud virtual machine lead to different interface languages

I use qcloud(a cloud service in China) to run a CentOS 7. In the qlcoud webpage panel, I can use the vnc way to check out my machine. In my own Mac, I can use the ssh to log into my machine. ...