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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Snort error on CentOS : Unknown preprocessor “ftp_telnet”

I installed snort on CentOS server. If I use snort -v command, snort is working. If I use snort -c /etc/snort/snort.conf command, snort throw an error. Error message: [root@www snort]# snort -c ...
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637 views

How to install Wireless USB adapter drivers in CentOS 6.5 64bit?

I have installed CENTOS 6.5 (64bit). I have my Belkin N150 wireless USB adapter (Model: F9L1001v1). I need to install the drivers. Where can I get the drivers and information on how to install them? ...
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25 views

Running maldet with less cpuload

I don't know if this is the right place to ask this question or not. Sorry if this is not the right place. I have installed the maldet(Linux Malware Detect) scanner to scan malwares from the server. I ...
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1answer
47 views

Iostat and top show static resource usage on first value

For one of my projects, I need to obtain resource (CPU, I/O and disk-space) usage programatically. Currently I'm running shell commands (iostat) and parsing the results which works relatively well ...
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479 views

How to upgrade Nginx and install php-fpm on CentOS

I want to upgrade Nginx via Yum, and also install PHP-FPM as usual. Most blog and online resources use the EPEL and REMI repos, but they're not working on my server. My OS info: Linux ...
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2answers
60 views

what can be the reason for no permission even using root or sudo

When root or using sudo, I cannot write to some files. I have a file fileA with permissions 750 fileA rwxr_x___ root root When I run a program as root or using sudo, the system prompt is: no ...
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2answers
111 views

yum remove only single rpm file instead of all packages related to it

My environment: CentOS 7.0 Keep a rpm list by: rpm -qa > before.list Try libreoffice-calc. (112M bytes) yum install -y libreoffice-calc Think it is useless, I want to remove it. I found yum ...
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2answers
740 views

Installing PostgresSQL on CentOS 6.4 without yum

I've got a company server running CentOS 6.4 on which I'm required to install the tools required for a webapp deployment. One of those tools is PostgreSQL server, however the company VPN is blocking ...
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37 views

Squid: ACL based on date

Is their any ACL element in squid to restrict, based on a particular date or giving access based on date? I have checked the time ACL element, and its not possible to give any date, only time of day ...
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80 views

how to delete yum and right re-install to centos6.5?

[root@webdev docs]# yum list Gathering header information file(s) from server(s) Server: Red Hat Linux 6 - x86_64 - Base retrygrab() failed for: ...
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2answers
155 views

cron table mailx caused empty content

I'm using centos 7.0/6.5. The content of /etc/cron.hourly/mail.cron #!/bin/sh log=/var/log/mail.cron.log echo "`hostname` `date`" >> $log 2>&1 mailx -s "test mail" me@example.com < ...
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2answers
46 views

epel 6 want to update a package with the epel5 version in Centos 6

I have downloaded and installed the epel 6 in Centos 6 using: wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm rpm -Uvh epel-release-6*.rpm but when i do: yum update ...
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1answer
223 views

Running into errors on installing addons in asterisk

Trying to install asterisk on my centos system following this tutorial but on doing ./configure –libdir=/usr/lib64 && make menuselect && make && make install in my terminal ...
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23 views

passsenger: Apache 2 Test Page shown instead of rails application

I have installed centos and rails using a tutorial The problem is, the browser shows "Apache 2 Test Page" instead of the rails site. Any idea how to troubleshoot this.
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51 views

Printer configurations on Linux: Providing privilege to normal users

I am on a CentOS machine. Everything is working fine, I can configure the printer with the GUI System->Administration->Printing. It asks for root password and then I can make the configurations. ...
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144 views

Configuring Apache with PHP-FPM, Apache failed to start

I followed this guide to configure PHP-FPM with Apache on my server but after I restart Apache successfully: [root@localhost vhost]# service httpd restart Stopping httpd: ...
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1answer
32 views

CentOS - ipTables

I have some questions about ipTables. Is it possible to open all ports between 2000 and 6000 and then have 2245, 5435,5434 closed? Is it possible to open some ports from a ip address? Eg. The only ...
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1answer
111 views

What is the purpose of usb0 ethernet device on Centos 6.5 machine?

My Centos 6.5 machine installed with 2 ethernet device (eth0 and eth1). But when I listed all ethernet device with ifconfig -a as root, in resulted list have another ethernet device usb0, as follow: ...
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587 views

CentOS 7.x iptables

I have manually edited the /etc/sysconfig/iptables file in my CentOs 7.x installation , I have two entries and two processes running at the respective ports. I am able to telnet/access port 2181 but ...
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11 views

Replicating a dedicated server

I have three identical remote dedicated servers running CentOS 7.x that I am buying as a service from a provider. I have painstakingly set up one of the servers and I need to create exact images on ...
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316 views

Centos 6.5 is not starting xserver

I've got an issue with Centos 6.5 (with GUI) installed on Virtual Box. Everything was working fine until someday it's stopped starting. I noticed that it hangs out on Starting jexec services Starting ...
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2answers
94 views

CentOS 6.5 PHP extensions

I need to enable php extensions like PDO and GD but I can't find a section with all the PHP extensions enabled inside /etc/php.ini, so in which file is this defined? EDIT: using PHP Version 5.5.14 or ...
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146 views

How to set up Brazilian Portuguese Keyboard layout in CentOS 6.5?

I'm having a hard time to configure my keyboard in CentOS 6.5. My Keyboard is a standard US-International one and I'm Brazilian. In Windows, I can use language "Brazilian Portuguese" and Keyboard ...
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283 views

Can't connect to Virtualbox web server (using Bridged Network)

The host is using CentOS 7 (from DVD ISO). I installed Apache (yum install httpd) and made sure the service is running. I've tried restarting the service and the guest machine itself, however I still ...
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1answer
51 views

Make newly created or uploaded (via ftp) files belongs to a group by default

Each time you create a file or upload it via FTP, considering your user is "myuser", it's chwon would be "myuser" for user and "myuser" for group. So you have to manually execute chown command to ...
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2answers
68 views

CentOS send a command to another server with ssh

So basicly I need to send a command from one server to another. ssh root@address.com 'My command' But.. How do I specify the password? Thanks
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1answer
130 views

CentOS on Docker: How to install doc files?

I’m trying to install the Kolab groupware in a Docker container based on CentOS 6.5. At first glance, the installation of the official packages seemed to work without problems. But afterwards, when I ...
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1answer
17 views

Tuleap: display of project title

I created a new project with a quote in the title. However, in the title of the project Tuleap added a back slash just before the quote. The title of my project is Gestionnaire d'études, and Tuleap ...
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1answer
82 views

Can I repartition Centos 6 without losing any data?

I have 10 GB space in my /home partition. I am now running out of space in this partition. But I have enough space in my / partition. Is there any way to increase my /home disc space by transferring ...
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178 views

Samba4 + Windows 7 + Linux Client

Server side: I have installed samba4 (4.1.9) on a centos server 6.5. Samba’s installation went smoothly. Clients: Windows: I have installed Windows 7 Enterprise Edition 64 bit with SP1, it joined ...
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58 views

Linux Box Internet Speed

I have encountered a weird problem with my Centos6 Server, currently I have install Centos6.4 on a 64bit support CPU with 8GB of RAM and 500GB HDD. Just went to check on the internet this morning and ...
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1answer
46 views

Why do I see the unicode character è when I type Alt-h in my xterm on centos?

I am sshing into a centos box from an ubuntu box. I keep seeing è when I type Alt-h (aka M-h). I want to use this key combo in tmux bindings but it doesn't work because tmux doesn't recognize utf8 ...
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303 views

CentOS 6.5 blank screen after an update

I just updated my CentOS 6.5 with the following command: sudo yum update after the update it asked for a restart and I did it but than now when the loading bar finishes loading I have a totally ...
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161 views

Can't login to CentOS desktop as root via GUI prompt

I have CentOS 6.5 running on a VM in VirtualBox (Windows host). I had no problems logging in as root from the GUI prompt (clicking on Other and typing root, then my root password and getting the ...
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2answers
2k views

installing GitLab on CentOS7 failing due to create on resource user

I am trying to install gitlab on a VM under VirtualBox running CentOS 7 I am following the following instructions: https://about.gitlab.com/downloads (for CentOS) I configured gitlab.rb to contain: ...
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1answer
97 views

apache got internal error when access ldap module

I'm installed httpd 2.4, and the /etc/httpd/conf.d/ssl.conf like WSGIScriptAlias /wsgi_app /trac/cgi-bin/wsgi_app.py <Directory /trac/cgi-bin> Require all granted ...
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27 views

Am I using this command correctly? Can't understand why I get the error I am getting. Myqsl - Centos 6

So, I am trying to connect to a database through mysql ssh, but whenever I run the command Connect postfix@127.0.0.1 on postfix It returns with: ERROR 2005 (HY000): Unknown MySQL server host 'on' ...
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12 views

How to see the size of files on apache server?

On a VPS apache CENTOS 6.5 x86_64 virtuozzo – server Server space is disappearing on accounts that are untouched, or should be. I suspect hackers are uploading to the accounts in question. Space is ...
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1answer
444 views

New to Linux, cannot get my internet to connect in VMWare

I installed CentOS today and did a minimal install. I got everything set up and got Gnome installed but I simply cannot connect to the internet. I can ping my loopback address and everything looks ...
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1answer
90 views

How to give apache ownership rights when creating a new file? [Centos 6]

So, is it possible to make multiple users the owner of a file when created? I mean, I know you can do chown -R apache:permissions /var/www/ (48:500) but that is only temporary because even if I decide ...
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77 views

Installing CentOS 6 on Asus M3N78-EM using CentOS software raid / LVM

I have an Asus M3N78-EM motherboard with 3 WD 250GB drives connected to SATA ports 1-3. The BIOS currently is setup to see the drives as AHCI instead of raid due to the controller driver not being ...
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17 views

Redirect external request thru VPN

I'm using Centos 5.4 and I'm trying to use the XMPP outside the company. But, the XMPP only works with the VPN. VPN connects and the XMPP become 10.0.2.49:5222 I tried to use iptables using this: ...
4
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1answer
781 views

“screen is terminating” for non-root

When I try to run screen as a non-root user I get: screen [screen is terminating] immediately, though it works fine for root ls -alh /usr/bin/screen -rwxr-sr-x 1 root screen 465K Jun 9 20:30 ...
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2answers
10k views

Searching for grub configuration file in CentOS 7

Im searching for grub.conf file in CentOS 7. I cant find it with locate(I called updatedb before). Where does it stores? In older versions of CentOS I could find it.
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1answer
570 views

Other ways to increase max open files?

I have an application which keeps giving me the following error. tail: inotify cannot be used, reverting to polling: Too many open files I have already followed all the advice I've been able to ...
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148 views

Install error Opencv, CentOS 6.5 make error

I have followed the instructions from a previous question [question]: Install OpenCV in CentOS and I continue to get the following error. I have tried using cmake28 as well with the same result. make ...
2
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1answer
71 views

IPSet with IP6Tables ERROR

Can someone please solve my headache and tell me how to fix this? [root@www ~]# ip6tables -I INPUT -m set --match-set blacklist6 src -J DROP ip6tables v1.4.7: Couldn't load match ...
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1answer
241 views

Opening a port on CentOS server not working externally?

I am trying to to setup a Ghost blog instance on port 80 of my CentOS 6 virtual server. There are no pre-installed web servers occupying port 80. If I run Ghost in production mode as a background ...
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1answer
175 views

PECL SSH2 Installation issue

I am running this command: sudo pecl install ssh2 It resulting the following log and exit with an error: libssh2 prefix? [autodetect] : building in /var/tmp/pear-build-rootHyRX5L/ssh2-0.12 ...
2
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1answer
20 views

df -h Size - User != Avail

When I run df -h I get the following Filesystem Size Used Avail Use% Mounted on /dev/sda3 809G 753G 14G 99% / But Size - Used is not even close to Avail (809-753 = 56 ...