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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210 views

Connect via Remmina to XRDP on Centos 7 returns blank black screen

I have a fresh virtual machine with Centos 7, there was no DE (it's a machine in cloud system). So, I connect via ssh and installed group "GNOME Desktop", and then installed xrdp as here ...
3
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1answer
186 views

Why does “curl” command work normally while “ping” not?

I find a strange phenomenon in my corporate network: I can execute curl google.com command successfully: [root@localhost ~]# curl google.com <HTML><HEAD><meta ...
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1answer
42 views

Move /home on Centos 7

I need to move my /home to /dev/md3 because I need more disk space for it, but I don't know how to do that. I copied the contents of "/home" to "/var/home", but I do not know how to assign "/var/home" ...
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1answer
105 views

How do I run Asterisk as user other than root?

I compiled Asterisk 11 from source as user root on CentOS. Now I want Asterisk to run as user asterisk group asterisk. I have uncommented AST_USER="asterisk" AST_GROUP="asterisk" in ...
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25 views

VirtualBox VM slow when not focused

I have a CentOS 6.6 VM set up using VirtualBox on my mac, it's command line only, no X. It generally works really well but I've noticed that it is sometimes very slow when I SSH (using terminal) or ...
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1answer
20 views

Can the Vboxfs mount point be formatted?

As I am working on the Oracle XE 11g database installation on virtualbox guest os: CentOS 7. Installed all the prerequisite libraries. when I have run the rpm command it is not able to execute that ...
3
votes
1answer
74 views

landscape-sysinfo for CentOS?

I've been using /usr/bin/landscape-sysinfo on Ubuntu, and I'm now looking for a good alternative to use on a CentOS machine. Is there anyway to install the requirements to make this work on CentOS?
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3answers
46 views

Why can't the guest of VirtualBox connect to network?

I have installed CentOS 7 on virtualbox, and network setting is NAT. The guest can't connect to network: systemctl -l status network output likes this: ip addr output likes this: Could anyone ...
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3answers
45 views

How does virtualbox get the network configurations?

I am installing CentOS 7 on virtualbox. On "Network & Host Name" screen: When toggle the "OFF" to "ON", I can see the IP, DNS, netmask are all configured: I am curious about how does ...
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0answers
24 views

How additional IPs are added to hosting [duplicate]

Hi i have centos server with 1 ip address. I bought 2 more ip address from same server company, and i added them in ifcfg-eth0:0 and ifcfg-eth0:1 in my server. When i ping within my server using SSH, ...
0
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1answer
75 views

centos7 not installing mysql

I've installed centos7 recently, but, when I am trying to install Mysql using the command: yum install mysql-community-server I keep getting Exiting on user cancel while I am not hitting any ...
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1answer
63 views

How to resolve dependencies while installing application on linux (CentOS 7.1)

When I tried to install deluge on my CentOS 7.1 I was facing dependency problems due to some el6 which are not meant for CentOS 7.1. So, I found this page: ...
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1answer
60 views

Samba ports still closed even with iptables rules flushed and disabled

I’m trying to install Samba on a server running CentOS 6 with WHM/cPanel, and I’m having some trouble with ports. This is a brand new system as of yesterday, and I haven’t yet started locking down ...
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0answers
10 views

Firefox 10 developer console jumps down the screen when disconnected and the current webpage is interacted with, on Centos 6.3

If I disconnect the developer tools (via the position menu and select window), and press/hover over buttons or try to press the 'clear' button on the console, on Firefox 10, it jumps down the page. I ...
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1answer
24 views

create and run bash script on start of runlevel5

I have created a following hello bash script: #!/bin/sh echo "Hello Run Level 5" I put this script in the /etc/rc.d/rc5.d directory with a name S100RunLevel5. How can I make this script to run ...
2
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1answer
109 views

Using /etc/fstab to add a mount as a user (VirtualBox, centos)

I'm mounting my mac folder as a share in virtualBox CentOS6 machine with the following command: mount -t vboxsf git /mnt/git/ -o uid=500,gid=500 It works perfectly but I can't figure out how to ...
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0answers
127 views

How to get Centos 7 Evolution Email Client App to Connect to Apple mac/me/icloud Account

I have CentOs 7 runing as a VM in Parallels on my Mac tower. All is fine except when attempting to set up the Evolution email client it has a place to enter everything but the password required to ...
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1answer
43 views

about CentOS 7 apps & Driver [closed]

im using pc for several years but never tried Linux so im quite noob in this field. im using Autodesk maya, Nuke & will learn houdini very soon. i found that linux works faster for this apps so ...
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2answers
24 views

Inserting hash symbol into Centos 6

I'm running Centos 6 64 bit. When I type the hash symbol I get the message: Unknown key released I have looked on various places online and tried multiple solutions; Pressing series of buttons ...
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1answer
59 views

Vagrant Networking - can ping IP but not a FQDN

I have a CentOs vagrant machine and I have no problem pining an IP address such as: 216.58.223.4 When I try and ping: www.google.com, it is unable to find the network. /etc/resolv.conf This file ...
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2answers
68 views

Apache Module blocking access to FTP

EDIT: previous server admin changed all sites to use Apache Module. Now the sites only run on apache:apache Problem is, now the client can't access their files in Filezilla, since originally the user ...
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0answers
108 views

nginx gives 404 and 403 in all the files in webroot

I have setup a webserver in a virtual machine on my laptop and I can't get nginx to work. My home DNS is put to example.home for easy access. Here are the symptoms: When I try to access ...
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0answers
88 views

virtualbox host only network adapter IP address goes to host machine instead of guest

I have setup my virtualbox with two adapters, one NAT for internet access inside Guest; and one Host Only to access guest from Host. When I enabled DHCP for a host only network, everything was working ...
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1answer
721 views

CentOS 7 VirtualBox no internet access

I am having trouble connecting my CentOS 7 guest to the internet. My VirtualBox Network configuration is as follows: Adapter 1: NAT; Adapter 2: Host-Only (vboxnet0) vboxnet0 is connected set up ...
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2answers
100 views

Why does running Linux eventually cause my ThinkPad T430 to refuse to boot or enter diagnostics?

I have a Thinkpad T430. Every time that I install Linux (Latest CentOS) on it, after a while, the computer refuses to boot, go into bios, or boot / diagnostics menu. I've run Windows on it, and it ...
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107 views

ssh doesn't work between Mac OS X (10.10.3) and Cloudera VM

Perhaps I am missing out something very basic, but it is just not working out for me... Objective is to setup passwords authentication (using ssh) between the two systems involved. The two systems ...
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1answer
49 views

Need to add Logical Volume, but don't have lvm, and yum says I have no space

I have a CentOS 7 server on SoftLayer. I only gave it 25GB of storage initially. Now it's full, so I ordered an additional 300GB of storage for it. My understanding (which comes from this article), ...
0
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1answer
22 views

Make a group be able to run shutdown command without entering a password (CentOS)

I used the command visudo -f /etc/sudoers to edit the sudoers file. How do I make a group be able to run the shutdown command without supplying password?
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2answers
1k views

Install Google Earth on Linux Fedora (rpm)

I'm trying to install Google Earth: [alexus@wcmisdlin02 Desktop]$ cat /etc/redhat-release CentOS Linux release 7.1.1503 (Core) [alexus@wcmisdlin02 Desktop]$ uname -a Linux ...
0
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1answer
331 views

How to fix when installing puppet client on centos 7 with dockerfile getting Error: Package: ruby-augeas-0.4.1-3.el6.x86_64

I'm trying to install puppet-client on docker centos-latest with this dockerfile # Base OS FROM centos # Install puppet ENV PUPPET_VERSION 3.7.3 RUN rpm --import ...
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1answer
22 views

How to run /etc/init.d/functions without rebooting?

I added a line to /etc/init.d/functions and I want everything in /etc/init.d/functions to be run without me rebooting. Is there a way for me to do this?
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2answers
37 views

Running executable from Crontab

I have a file called Exim_queue_size in the root directory. It contains one line: exim -bpc | mail -s'Exim_queue_size' bert@example.com It has had its permissions set with chmod +x , and is thus ...
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0answers
78 views

SSH login too slow in Centos 6.6

SSH login take too much time in my CentOS machine, and also a ftp server is running on it. Please help me to speedup the login time for both root and ftp user. I tried some tricks but no ...
0
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1answer
19 views

Centos server network

I have an old computer running Centos. Im using it to host a TeamSpeak 3 server. The problem is that all internet access is blocked in my house as long as my server is connected to the internet. ...
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0answers
171 views

Centos7 samba share not visible in windows 7 network group, but can be directly accessed via \\servename\share

I've set up a Centos 7 samba share according to these instructions: Samba Server Installation and Configuration on CentOS 7. My client machines run Windows 7 64bit pro, and I am able to directly ...
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0answers
63 views

request_module: runaway loop modprobe binfmt-0000

I'm running CentOS 7. Everything was working fine, until I had one pending update, which I accepted and rebooted. Now the system fails to boot and instead reports: request_module: runaway loop ...
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0answers
600 views

What's default root password for docker official Centos image

This is regarding Docker official Centos6 and Centos7 images There are 3 separate but related questions: (1) When started using "docker RUN centos", what is the root password and how to find it? ...
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2answers
188 views

Where to download skype 4.2.0.13 [closed]

I installed latest skype to my centos 7.1 box however there is only virtual devices. The problem is described here ...
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0answers
29 views

How to resolve annoying text rendering in CentOS?

I have a Linux box with CentOS installed in it. There seems to be problem with Xorg setting for the OS, all texts shows a shadow behind itself. This has become annoying. This shadow is visible in the ...
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0answers
87 views

2 Nics setup on CentOS 7

I have problem with 2 NICs when I try to setup new webserver on CentOS 7 ==== My goal ==== I have 2 network cards on server, eth0 (for public ip) and eth1 (for internal ip) My goal is my server can ...
0
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1answer
51 views

Resolve hostname of a Centos 6.5 dedicated server with a FQDN registered with Godddy

I have a domain registered with Godaddy and I am setting up a dedicated server for learning purposes. I want the server's hostname to be resolvable. I created custom NS records (ns1.mydomain.com & ...
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0answers
31 views

How do i attach running lftp process

so i have lftp process running for days at a time on a centos machine. I read the lftp man pages and discovered the attach command. However when i call it with the respective process id from the lftp ...
0
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1answer
85 views

Merge two partition without gparted on Centos 6.*

I have been trying to merge two partitions on my centos 6 virtual machine. I have only command line access to this machine. My system look like this: [x@x-y ~]$lsblk NAME ...
9
votes
3answers
127 views

A way to trigger an SELinux policy violation?

I'm studying the basic workings of SELinux and would find it useful to trigger a denial. My test machine is running CentOS 7, it's a basic server install without any extra services, and getenforce ...
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0answers
324 views

Can't increase ulimit in Centos 6.6 - never persists

I'm trying to increase the nofiles limit in my Centos 6.6 system. My user is 'hchiu', and this is what I appended to my /etc/security/limits.conf: * hard nofile 128000 * soft nofile 128000 I've ...
1
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1answer
55 views

converting .VDI to .VHD CentOS will not boot

I have a CentOS vm created in VirtualBox. I need to convert it to VHD to use on my hyper-V server. I used the vbox manage tool and the conversion went fine. When i try to boot it up with Hyper-V it ...
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0answers
39 views

Setup https and http on wordpress nginx

[root@serv01 nginx]# cat nginx.conf # For more information on configuration, see: # * Official English Documentation: http://nginx.org/en/docs/ # * Official Russian Documentation: ...
0
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1answer
549 views

“Failed to start SYSV” when starting self-made service

I'm trying to set up a service, on root, that will automatically start monetdb database after system startup because monetdb doesn't provide such mechanism. I've created /etc/init.d/monetdb script ...
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0answers
34 views

How to tune the XFS file system when you use LVM striping on top of HW RAID?

For example your LV strips (512k) over two PVs each HW RAID 7disk x 1MB RAID6. (what about if the LV is mirrored?) I cant seem to find information on tuning the su/sw values in this configuration. ...
1
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1answer
84 views

CentOS vhosts causing issues with Vagrant Share command

I'm running Vagrant on my Mac. I have a CentOS 6.4 box running with the Virtualbox provider and puppet (not important in this context). This is a basic Vagrantfile to show the issue I have: ...