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

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2
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0answers
19 views

Intel Xeon stuck at 800mhz CPU Freq on RHEL 6.5 [duplicate]

Currently running into a headache trying to figure out why my CPU speed is stuck as such a low frequency. After doing some research, I found that cpuspeedutil does actually control the state of the ...
1
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2answers
156 views

how can I add records to the zone file without restarting the named service?

I'm working on centos6.5 and bind9 and I have managed to add records to a DNS zone by doing this steps: creating the key: dnssec-keygen -a HMAC-MD5 -b 128 -n HOST example.com. editing conf. ...
2
votes
1answer
84 views

How do I maintain a separate (newer) glibc / gcc / … stack as non-root on Linux

Our computation cluster runs a very old version of CentOS, with an old Kernel (2.6.18) and, of course, old libs and binaries. Because updating the whole thing requires a lot of work on all the nodes, ...
0
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1answer
212 views

Cannot install Snort 2.9.6.1 due to “Not a compatible architecture”

I have Centos 6.5 installed on a Dell Inspirion Intel chip. When I entered uname -a I got Linux family.room 2.6.32-431.el6.i686 #1 SMP Fri Nov 22 00:26:36 UTC 2013 i686 i686 i386 GNU/Linux I ...
2
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1answer
401 views

What audit log files are created in linux to track a users activities?

One of the machines on our networks was consuming a large amount of Internet bandwidth. However no user was using the system. When I connected to the server using SSH and ran who it showed that a ...
0
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1answer
130 views

SSH Login doesn't work using a key Without Password?

Agent admitted failure to sign using the key I'm working on centos6.5(32bit) and I have tried to ssh log in without Password Using ssh-keygen & ssh-copy-id? the steps that I have done: first I ...
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3answers
188 views

What commands are available in the %pre section of a Kickstart file on CentOS?

Environment: CentOS 5.5 and 6.4 I have a request to analyze the hardware before installation to make sure our customers don't install our software on sub-standard server hardware. For example, ...
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1answer
50 views

Access Windows File System From Linux OS

My sister's computer has stopped working. I am not entirely sure what the problem is, but I think it is a Windows/software issue. She really just wants to retrieve the pictures off it. I am ...
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0answers
66 views

ssh-agent on CentOS 6.5 keeps “disabling” itself

I recently installed git on my CentOS 6.5 system. During the process I setup a key/pair for GitHub so I don't have to enter a password for every git process. I did this by adding the rsa file to ...
1
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1answer
68 views

Absolutely cannot get FTP access after adding many rules to iptables in CentOS5

I'm a complete noob and am just having the worst time trying to get FTP access to the server. I want to keep the firewall enabled. Edit: Updated the iptables information. I have the following ...
0
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1answer
150 views

Centos 6.5 iconv 2.5 glibc

I'm using Centos 6.5 x64 for developing purposes. I need to install iconv 2.5 but could not find how. Centos 6.5 glibc version is 2.12 On Centos 5.9 glibc version is 2.5 Why newer Centos uses older ...
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1answer
69 views

MIC not working due to USB bandwidth

Using debian and centos, i get the same error when plugging my USB mic in. In Windows (xp thru 8.1) it works fine. [ 304.237543] usb 2-1.6.2: USB disconnect, device number 6 [ 305.220785] usb ...
2
votes
1answer
148 views

Building OpenFOAM 2.2.2 for Xeon Phi

I'm trying to build OpenFOAM for Xeon Phi on CentOS 6.5 (Linux 2.6.32-431.11.2.el6.x86_64) Using these steps Install Intel Parallel Studio tar xvfz parallel_studio_xe_2013_sp1_update2.tgz cd ...
1
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1answer
21 views

Unable to access external content with this IPTABLES ruleset

My application server is on a network protected by a organization wide firewall, and my server is also using fail2ban. That said, I'd like to set up an additional layer of protection with iptables. ...
3
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3answers
73 views

How to display the time of sadf in epoch format

I have a problem in sadf between ubuntu and centos. The thing is how the date is displayed in both. Ubuntu: root@db1:/usr/local/nagios/libexec/nrpe_local# sadf | head -10 ...
0
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1answer
21 views

i2b2 VM: Copy VM won't give me a valid IP address (CentOS 6.5 running with VMWare Player in Windows)

Posting on here as well in case this was the incorrect site to post the question. http://serverfault.com/questions/595337/i2b2-vm-copy-vm-wont-give-me-a-valid-ip-address
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3answers
50 views

Iptables in linux

Please explain me the use of bold character below iptables -A INPUT -i eth0 -p tcp --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT -A -i -p -m state --state -j
0
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1answer
60 views

PHP on centos 6 not working

I have installed PHP, MySQL, Apache on CentOS 6, now I have restarted the Apache and mysql, to test PHP i have created a index.php on /var/www/html/test/ now once i go to localhost/test/index.php then ...
2
votes
1answer
96 views

Problem setting up iptables (LDAP traffic blocked)

My application server is on a network protected by a organization wide firewall, and my server is also using fail2ban. That said, I'd like to set up an additional layer of protection with iptables. ...
0
votes
1answer
35 views

install python module for particular python instance

I have 2 python instance on a CentOS machine, i.e. /usr/bin/python2.4 and /usr/bin/python2.7. Modules for 2.4 are in /usr/lib/python2.4, and modules for 2.7 are in /usr/local/python27. When I do ...
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1answer
92 views

Missing Messages and Secure logs files on CentOS

I'm having troubles with CentOS release 6.4 (Final). I'm looking for log files in /var/log/ and I'm obviously missing two files: /var/logs/messages /var/log/secure I was checking if rsyslog is ...
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0answers
36 views

probably gfs2 problem

We have a Mail Server (CentOS 6.5) with these component: Postfix Dovecot Mysql MailScanner (spamassassin,clamav) GFS2 Partition Last night the server crashed and this is the kernel logs before ...
1
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1answer
113 views

problem with unique ssh public/private key pair on second user

I have created an ssh key pair using ssh-keygen -t rsa for my main user and everything seems to be working well. Password login has been disabled. I have a second user that I am trying to create a ...
0
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0answers
66 views

Can't open any tool of the system administration panel in CentOS 6 that demands the root password

When I try to open any graphical tool that demands the root password, it won't launch after I enter the password. I have tried the "Authentication" and "Date and Time" apps, for example. When I try to ...
0
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1answer
54 views

Is it possible triggering a script with a change of amount of files in a directory? [duplicate]

Is it possible to create some kind of directory watcher and trigger a script when the folder is not empty? I have a CentOS machine with jenkins CI on it. i would like to create a job that will move ...
3
votes
1answer
97 views

XEN stop all virtual machine when shutdown

I am using XEN on CentOS 6.5 64 I want a way to stop all virtual machine when XEN server shutdown I build service call in stop xm shutdown -a but not working #!/bin/bash # chkconfig: 2345 95 20 # ...
0
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1answer
165 views

Graphics card recommendation, Dell PowerEdge R210 & CentOS 6.5 [closed]

I have server with displays and a keyboard-mouse for displaying network map status and for use as a shell and virtual console in my server room. Need a recent video card that is > $100 that can ...
0
votes
1answer
92 views

Disable iptables service on CentOS

I don't want the service to start after reboot. my code does this: service iptables stop service iptables save chkconfig --level 123456 iptables off service iptables status iptables: Firewall is not ...
0
votes
2answers
270 views

Building from SRPMs on CentOS 6.5

NOTE: I'm very new to yum/rpm, but am familiar with Linux. I'm trying to compile Awesome on CentOS 6.5 using rpmbuild. I found SRPMs for Fedora Core and am trying to rebuild them on my CentOS install ...
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0answers
99 views

Saxon rpm build fails due to “ant: command not found”

Hopefully this is a question I can ask this community. I'm currently working on building zookeeper-3.4.5-13 for a CentOS 5 environment. During this process I've been going down a long list of required ...
0
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2answers
52 views

Creating an iso from the virtual machine

I have openSuse installed as a virtual machine on Oracle Virtual Box, and I have configured some softwares with the way I require. I need to replicate the similar environment on a new Server (NOT the ...
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2answers
72 views

Allow remote MySQL to a specific IP - using CentOS 6.4

I've spent a day now trying to find out how to allow remote MySQL to work for my other virtual server. This is proving very difficult so I'm hoping you guys could help me out ;( I've used the ...
0
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1answer
387 views

Empty desktop after installing xrdp on Centos 6.5 with XFCE as window manager

I followed the directions to install xRDP from this site (http://ajmatson.net/wordpress/2014/01/install-xrdp-remote-desktop-to-centos-6-5/) When I RDP from Windows -> Linux, I successfully enter ...
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2answers
67 views

simply change IP after installation on server minimal

I'm using CentOS 6.5 minimal. Is there any way to display a dialog to change the IP after login? In other words, some way of entering a command with a dialog to change the IP?
0
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3answers
85 views

Data transfer between Ubuntu and CentOS [duplicate]

How do I transfer data between Ubuntu and CentOS using LAN cable, in the same network? I tried installing Samba which did not go well in CentOS.
2
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1answer
126 views

Executing PHP with CronJobs in CentOS 6.4 not working?

So I've spent around 2-3 hours now and some times researching, I found several of the same responses online but none seem to work! I'm trying to execute a PHP script every minute (as a test), but it ...
0
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0answers
100 views

VNC server on Centos 6.4

I have a Centos Desktop VM installed in Virtualbox, and want to connect to it using VNC. I have tried to install vnc-server, but could not connect. I removed it, then tried tigervnc-server, but same ...
0
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1answer
169 views

Cannot connect to WIFI

I finally made the switch from windows to Linux. CentOS to be precise. Unfortunately, I am unable to have my wireless connection working, so accessing the web is a hassle. Following directions on the ...
0
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0answers
44 views

Oidentd problem with centos 6.5

I have installed oidentd and it is not working with ipv6s only, it works with ipv4 just fine. I have done some search on google and applied a patch on oidentd to work with ipv6 but i still cant make ...
1
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4answers
159 views

How to check physical device contents

I got a server with 2 hard drives. I would like to know what is on 2nd drive. How would I list all contents on physical device ? lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT xvda 202:0 0 ...
5
votes
1answer
159 views

Apache, Group Permissions and User Uploads

I have a folder named "digitalgoods" with the following ownership -- apache:apache residing outside of the htdocs folder and is therefore not accessible to the public. However I need the same folder ...
1
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0answers
21 views

Can a RHEL 6.4 DS sync with a CentOS 5.4 DS

I have two CentOS 5.4 Directory Servers that sync information on a daily bases. I'm wanting to replace them with two RHEL 6.4 Directory Servers. Before the existing two are decommissioned all four ...
2
votes
2answers
211 views

Custom Kickstart ISO process - packages to RPM mapping

I want to start by saying that I am new to kickstart so if I use the wrong terms I apologize in advance. What I am trying to accomplish: I am trying to create a customer ISO for installation of ...
0
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1answer
37 views

Permissions for non-htdocs directory

I have created a folder outside of my htdocs directory as a means of adding extra security for downloadable digital goods to be sold from within a Magento storefront; so my question is: what ...
0
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0answers
71 views

What software should I use to create a HPC (High performance compute) cluster with CentOS 6.5 VMs locally?

I've read about Torque, Slurm resource managers and Maui, Open Grid scheduler, Sonf of Grid Engine but I do not know which is more appropriate to use in a local environment? I've also read that I need ...
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0answers
256 views

CentOS 6.5 will not sleep after period of inactivity

I've recently upgraded my Ubuntu 12.04 LTS to CentOS 6.5. This is a desktop PC (non-server) that I would like to sleep/power down after a period of inactivity. I have the following settings in my ...
0
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1answer
102 views

How to add Ip Aliases with Two Gateway on same nic Centos

I have 2 allocated address range, example 10.10.12.25/28 10.12.12.24/28 How to add Ip Aliases with Two Gateway on same nic with Centos?
-1
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1answer
57 views

What does ~ mean at the end of a file name (e.g. httpd.conf~)? [duplicate]

I edited a fresh apache config file in CentOS 5 using gedit. When I looked at the directory I saw now two files: httpd.conf and httpd.conf~ What does the ~ signify?
1
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1answer
35 views

Upgrading CentOS web server

Have just taken over control of a CentOS 6.4 web server with Apache. My question is, to update the server software, is it a case of just using yum update and then yum upgrade? Server has been ...
3
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5answers
614 views

bash restart mysql when it gone run well in SSH part, but not in cronjob

My system is centos 6.5, I write a simple bash shell to check if mysql is crashed, restart service again. I put it in /home/myspace/mysql.sh chown root:root /home/myspace/mysql.sh then run every ...