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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PSCP Cannot create file error. How to fix.?

I am trying to download backup file of my server from Unix CentOs machine to Local Windows. I tried PSCP with port number. But got some error. Please tell me how to fix it. pscp -P XXXX ...
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13 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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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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12 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 ...
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1answer
14 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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10 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
20 views

about CentOS 7 apps & Driver

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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1answer
9 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
12 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
14 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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12 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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28 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
19 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
45 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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28 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
19 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), ...
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1answer
16 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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How to share the files between Virtual Machine qemu-kvm and host machine?

How to share the files between Virtual Machine qemu-kvm(windos7 installed) and host machine(Centos7 installed)? Thanks.
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2answers
48 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 ...
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1answer
22 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
11 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
21 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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36 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 ...
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16 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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44 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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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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35 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
72 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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18 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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32 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 ...
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1answer
15 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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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 ...
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1answer
23 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 ...
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3answers
70 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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68 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 ...
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1answer
24 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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23 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: ...
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50 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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8 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. ...
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1answer
33 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: ...
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112 views

Gitlab 7.10 install doesn't create proper ssh git user config?

I am setting up a Gitlab instance on my home VM lab and am baffled with the way SSH is configured in Gitlab so I would appreciate some insight into whether I am doing something wrong or is Gitlab ...
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22 views

WordPress won't load unless iptables is disabled

I am running CentOS 6.6 using nginx. WordPress will not load unless iptables is disabled. I tried to add the 9000 port for fastcgi, but that did not work. I am guessing it has something to do with ...
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32 views

Im trying to user docker to install cloud9 ide

Im trying to user docker to install cloud9 ide on my centos7 vm. Im using this docker image: https://github.com/kdelfour/cloud9-docker Ive set firewalld to set 80 and 8080 to public, ive tried ...
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2answers
47 views

Samba: Need guest/everyone read-only and writeable by users in group

I can't get this to work correctly. I can login as guest fine but when I enter the username and password for a user on the server, it doesn't accept it. Not even root. smb.conf [global] ...
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18 views

Cross-Distro NFS Mount Not Fully Writeable in Ubuntu

I'm relatively new to setting up NFS mounts and I'm trying to get things started in the AWS cloud. I ultimately want to have a CentOS box which serves as the NFS server and can have different sorts of ...
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I am having trouble getting yum update to run cleanly in Centos 7. It seems I have a conflict with the Network Manager that I cannot resolve

I am having trouble getting yum update to run cleanly in Centos 7. It seems I have a conflict with the Network Manager that I cannot resolve. CL output shows: Error: Package: ...
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1answer
27 views

MySql service start fails without anything meaningful (CentOS 7)

[root@myserver my.cnf.d]# service mysql start Starting MySQL. ERROR! And this is all I get. I tried checking the logs but couldn't find anything related to this. The database worked perfectly fine ...
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1answer
16 views

Sub-domains keeps redirecting me to Main web-site

I have just upgraded my version of LAMP Environment. Rest all the things are working fine but with Sub-domains i have a challenge. I have a Main website abc.biz and 5 to 6 sub-domains with it as ...
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2answers
49 views

Centos 7 detecting only 3 GB of RAM

Centos 7 is detecting only less than 3GB of RAM instead of 4 [root@compute ~]# free -m total used free shared buffers cached Mem: 2913 425 ...
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1answer
143 views

Package: otrs-4.0.7-01.noarch Requires: perl(Template) while installing OTRS in centos 6

While I was trying to install OTRS 4.0.7 in centos 6, an error occurred. I tried to Google it, but I cant get the results to resolve the issue. Loaded plugins: product-id, refresh-packagekit, ...