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

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CentOS 7 No package … available

(CentOS 7 64 Bits) Following these steps: http://freevps.us/thread-2789.html I get errors, anyone can help me please? STEP 2, running this command yum install libICE.so.6 libImlib.so.1 ...
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2k 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 ...
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32 views

Preventing automount in CentOS 7

How can I tell CentOS 7 not to mount a new IDE drive (new to the system, but with data I want to examine) the first time I plug it in, so that I can do forensic analysis on it knowing I won't have ...
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1answer
590 views

Need to install VirtualBox Guest Additions 4.3.8 in CentOS 6.3

My host system is OSX 10.9.2 and I'm running VirtualBox 4.3.8. In a Hadoop class I took recently, we were provided with a VM disk image preloaded with CentOS 6.3 and a lot of Hadoop-related ...
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2answers
4k views

Issues in XRDP installation on Cent OS 6.5

I already went through the similar issue tracked in Installing XRDP on Cent OS 6.5, however it haven't helped me to fix. I am using MAC and trying to install XRDP in CentOS release 6.5 (64 bit). So ...
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Timezone problems with CentOS under VirtualBox

I have the following problem on a CentOS 6.5 system running under VirtualBox v4.2.4 on Windows 7 Pro SP1. date always prints a UTC time but with the correct timezone shown, e.g. if I run date at ...
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1answer
22 views

default owner and group for symlink and chown pass-through

I have two questions but they are very closely related to each other. I have a new Debian server by Linode, and my previous server was a CentOS run by Hostgator. I use this command quite frequently ...
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72 views

How to enable systemd user sessions for remote logins on CentOS 7?

I am trying to enable systemd user sessions on my CentOS 7 server. All the pieces seem to be there, and I have also run loginctl enable-linger <user>, but I don't have a systemd user session (or ...
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41 views

Live resizing of an ext3 filesytem on CentOS6.5

I have a problem with my remote server hosted by my provider, I have only SSH access. The problem consist of getting this error file system rootfs has reached critical status that causes problems with ...
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3k views

How can I reinstall Network Manager after uninstalling it?

I am running a version of RHCE6 on my laptop, and lately I've been trying various stuff about network configuration through command line. Last night, I tried removing the NetworkManager using yum ...
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56 views

How can I let a application/user account only create and update a log file (no read permissions) in Linux

I'm attempting to setup a fairly restrictive Apache Tomcat installation on CentOS 6.6 and am stuck on file permissions for the log folder. The tomcat folder and all it's sub-directories are owned by ...
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35 views

Analyzing logs offsite, with a different computer

I have a computer deployed with no internet access. I have small windows in which to copy the log directory to a USB stick and analyze offsite. If I pull the logs off of a CentOS / RHEL system ...
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2k 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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3answers
3k views

Virtual Interface Not Showing up in ifconfig?

I am trying to create a virtual interface for the purpose of NameBased Virtual Hosting on my CentOS linux box; please find below is the devices' information:- DEVICE=eth0 BOOTPROTO=dhcp ...
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2answers
202 views

Install mplayer on Centos 7

I've been trying for several days to install mplayer on Centos 7 without success, I've install many repos but nothing works, I've always the following error: -> Resolve Dependencies completed ...
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13 views

Why doesn't my IOstat change its output at all?

My IOstat doesn't change...at all. It'll show a change in blocks being read and written, but it doesn't change at all when it comes to blocks/kB/MB read and written. When the server sits idle...it ...
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60 views

Cannot retrieve repository metadata (repomd.xml) Centos 6.6

I'm trying to upgrade centos 6.6 with yum update I keep getting this error message Cannot retrieve repository metadata (repomd.xml) for repository: centos6 x86_64. Please verify its path and try ...
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46 views

32-bit package from a repo that should only contain the 64 bit packages

Trying to a do install of some packages and it seems that it is trying to pull a 32-bit package from a 64-bit repo. Installing for dependencies: cyrus-sasl-lib i686 ...
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4answers
86 views

How can I update a password without entering the password twice?

I effectively have a sticky keyboard (host machine to RDP to vCenter to virtual console), but need to update the password of a VM I am building. Using the rescue environment CentOS media offers, I ...
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108 views

Custom compiled Nginx with ngx_pagespeed in CentOS 7 wont start

Since PageSpeed must be compiled along with Nginx, and I don't like the way instructions are in the Google page, I decided to follow another great one. Anyway, I did everything there. And when I get ...
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26 views

How to install udisks1 in CentOS 7?

I have several scripts that I need for various tasks with USB devices, but they were written with udisks1 in mind. Porting them over to udisks2 has proven difficult, if not impossible, so I'm ...
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83 views

Problem with routing tables network interface in Centos 6.6

I've problem with the routing tables, I've 2 network interface. (2 interfaces with 2 difference network address IP address: 112.xxx.xxx.xxx: static IP and 10.xxx.xxx.xxx local IP) 1: IP address is: ...
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what is the CentOS equivalent of /var/log/syslog (on Ubuntu)?

On ubuntu this file exists: /var/log/syslog. However the same file does not appear on CentOS Distributions. What is the equivalent file on CentOS?
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47 views

What does || mean in bash? [duplicate]

Apologies if this is a duplicate post. I did try searching to see if someone already asked/answered this but didn't find anything. What does || mean in bash? For example, in researching steps to ...
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45 views

NFS File Mounting error in centOS

I'm trying to mount server filesystem using NFS in centos. But I'm getting Connection timed out error. Below are the steps I followed. At server side: [centos@ip-172-31-46-199 landingzone]$ sudo vi ...
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20 views

unable to block out-going traffic

I've run $ iptables -I OUTPUT -j DROP -d [ip address] and found that some processes are still connecting the destination ip I've blocked above: $ lsof -p [pid] it shows: ...
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135 views

How can I extend VMware Partition on Centos 7 using GParted?

I've a problem with increasing a partition from 20GB to 120GB, VMDK file. Here is what I've done: using vmware-diskmanager to increase vmdk file from 20 GB - 120 GB. It's ok. download and boot from ...
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210 views

warning: mysqli::real_connect(): Headers and client library minor version mismatch. Headers:50537 Library:50623

warning: mysqli::real_connect(): Headers and client library minor version mismatch. Headers:50537 Library:50623 How do I do with it? I think I have a different version between mysql client and ...
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27 views

openvpn enable to connect to the server

I have centOS 7 64 bits, When I try to connect with openvpn my client.conf I have this error: Mon Mar 16 09:11:26 2015 TLS_ERROR: BIO read tls_read_plaintext error: error:14090086:SSL ...
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1answer
47 views

Yum update is not working properly in centos

Yum update is not working.I am not able to ping the external networks too yum update Loaded plugins: fastestmirror, refresh-packagekit, security Loading mirror speeds from cached hostfile ...
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63 views

nginx: [emerg] “server” directive is not allowed here

I get the following error message when trying to configure server: []# nginx -s reload nginx: [emerg] "server" directive is not allowed here in /etc/nginx/conf.d/hello-world.conf:1 Configuration is ...
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1answer
43 views

What are gpg-pubkey* packages?

I compared the packages list reported by RPM and YUM on a CentOS 6 and 7. I noticed the lists were slightly different (same issue with RHEL). See Listing installed packages with yum and rpm mismatch ...
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77 views

Do I have a dead NIC?

OK so this is kind of a long one due to command output. Not necessarily in complexity as I'm only showing some basic t-shooting so any feedback would be appreciated. Basically, I have a fairly new ...
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5answers
671 views

Automatically acquire new IP address in new network

I'm running a Centos virtual machine on a laptop using a bridged network connection to avoid double-NAT issues, with the address assigned via DHCP. This works fine until I move the laptop to another ...
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25 views

How to resolve issue of misconfigured vnc server on centos 7

While configuring vncserver in centos 7,the < USER >field in the vnc file gave me quite a bit of thoughts.whether it was to be replaced with the login name for accessing the ssh or some other ...
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Yum error in Centos : beginner

"Error Type: Error Value: File contains no section headers." I got this error that pops up regurarly. I am really new to centos and am using it for schools work. I must have tried to change ...
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2answers
3k views

Getting config error for yum in CentOS

I'm very new to linux, and I am using CentOS in a VM for program testing. Everything seems to be fine, except for every few minutes I get this error: Error Type: <class 'yum.Errors.ConfigError'> ...
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716 views

Centos 6.6 can't install couchdb from EPEL repository

the issue is about unavailability of couchdb package in EPEL. Has somebody faces the same issue? yum repolist gets Loaded plugins: fastestmirror, priorities Loading mirror speeds from cached ...
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1answer
57 views

Ananconda kickstart

I am trying to use packer to build a virtual-box image using kickstart however the ananconda install fails due to lack of installation source and no software selection my kickstart script is shown ...
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121 views

CentOS 6 interfaces bonding, round-robin instead of active-backup, duplicates frames

Two interfaces, eth0 and eth1 are part of a network bonding bond0 on CentOS 6. All worked well under CentOS 5, but after the upgrade to CentOS 6.6, keeping the same configuration, the network works ...
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2answers
1k views

Enable 9p filesystem type in Centos 6 virtual guest?

My question is linked to this one : http://stackoverflow.com/questions/17880460/mounting-shared-folder-in-kvm-vm-error-mount-unknown-filesystem-type-9p (but can't comment it) I have apparently the ...
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Is it possible to convert RHEL to CentOS?

The software vendor that we used has always specified that we should load RHEL on servers we've bought to run their software however they did start to accept CentOS and even now prefer it on new ...
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23 views

Standards for dealing with older/previous “.bak” backup of config file before new edit

Assume I have a config file "foo.conf." This file is rarely edited. At some point in the BeforeTime(tm) it was edited and "foo.conf.bak" was created to save the previous state. Now, I want to make ...
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2answers
4k views

When exactly does tmpwatch clear out files I place in /tmp?

CentOS 6.x I'm confused on when exactly files I place in /tmp/ are deleted. /etc/cron.daily/tmpwatch has the following: #! /bin/sh flags=-umc /usr/sbin/tmpwatch "$flags" -x /tmp/.X11-unix -x ...
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How to disable local delivery in exim Vesta CP panel

How to disable local delivery in exim VestaCP Panel, I'm getting “Unrouteable address” error message in mail log.
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6k views

Installing Epel repository on CentOS fails

This has been working on my vagrant vm for a few month without any issues. I didn't change anything, it has been vagrant up and vagrant destroy'd several times before with no problems. But now it ...
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35 views

putty does not allow me to input special chars

I am having trouble accessing a folder with a very long name with • in its name. seems like every time I try to input • the putty window is not parsing the character successfully. Any ideas?
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66 views

NginX + PHP-FPM displays blank php pages

I have a problem where my server running NginX with php-fpm loads blank PHP pages (strangely except for my phpinfo.php file, which loads normally). If I put an index.html page in the same directory ...
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1answer
2k views

Can I change uuid for network interface in ifcfg-eth* using uuidgen?

I'm creating a script which configuration the network interfaces. The script which generates /etc/udev/rules.d/70-persistent-net.rules and names interfaces to my preference. In CentOS 6.5, my ...
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1answer
94 views

firewalld rules to route two user groups to different apps in OpenVPN

I have OpenVPN successfully configured on a remote CentOS 7 server to allow https access to employees and administrators, while also blocking ssh access to everyone who is NOT an administrator. This ...