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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3answers
68 views

What iptables command do I need to allow web server traffic?

I have a hard time understanding iptables rules. I am running a centos 6.5 VM on my laptop (vmware hypervisor) and it looks like it comes with this setup for iptables: # iptables -L Chain INPUT ...
5
votes
3answers
3k views

CentOS 7 Installation Failed

After hearing the news that CentOS 7 had been published, I decided to install it on my computer. I downloaded the ISO image from the CentOS official website (the one named ...
2
votes
2answers
25 views

centos5 maximum memory setting for all users

I'm using Centos5 for operating server and the machine has limited memory. There are many users using the server and some of them are running programs which use a lot of RAM. When I check the used ...
-1
votes
0answers
21 views

How to encrypt nfs file system with ecryptfs

I've got a NFS file system on my Dell equilLogic and it is shared as nfs. Is there any way to encrypt that file system through Linux ecryptfs? Such as nfs will mount on centOS and storing will be ...
2
votes
0answers
31 views

Transparent Proxy

I am setting up attempting to set up a transparent proxy on CentOS using Squid. So far I have managed to filter the content and get it working perfectly. The only issue I am having is getting a form ...
3
votes
1answer
42 views

SSHD Password Feedback (Show Asterisks for Characters)

Is it possible to have SSHD show asterisks for the password characters much like pwfeedback does for sudo? I am using CentOS 6.5. For example:
0
votes
0answers
16 views

how to find where buffers/cache are and how to clean them up? [duplicate]

I want to create 20gb ram disk for ANSYS to work in yet on free -g I see: And personally I have not created any ram drives yet. So I wonder how to maximize avaliable ram: how to locate what is using ...
5
votes
1answer
46 views

forward outgoing traffic port using iptables

I am trying to forward all outgoing traffic from port 80 to port 8080 using iptables and I tried the following rule, though it did not work: iptables -t nat -A OUTPUT -p tcp --dport 80 -j REDIRECT ...
2
votes
1answer
25 views

Device URI for Printer

I have the system printer GUI installed on Centos 6.6. I added the printer (HP LaserJet Pro P1102). The model exists. The problem is that the GUI is asking for the Device URI which I'm not sure where ...
1
vote
0answers
96 views

Help with lost software RAID5 on CentOS 6.5

I've been searching for hours and giving up / too scared to delete all my data. I have a file server running CentOS 6.5 which has 4 WD RED 2TB drives (all > 1 year old) in software raid 5 with mdadm, ...
2
votes
0answers
25 views

Linuxwacom xsetwacom/xorg.conf

I have a CentOS 6.2 workstation with linuxwacom 0.21.0 installed. I am trying to map a button on a cintiq tablet to a keyboard key. I can do it successfully using: xsetwacom set "Wacom Cintiq 24HD ...
-2
votes
2answers
18 views

Check multiple files with string

i.e. for each .csv file, do the following: Check if the file contains the string “HEADER” in the first line. If its missing, do the following: Display, “ERROR: Missing HEADER record for ” Rename ...
0
votes
1answer
43 views

I try to setup zabbix server on CentOS 6 (close system) but can find zabbix-server binary file after run rpm install rpm package

I try to setup zabbix on CentOS 6 in closed system ( no internet connection ). So I can only put rpm to that machine, and run command rpm -ivh zabbix-2.2.3-1.el6.x86_64.rpm ...
1
vote
1answer
40 views

How not to write kernel warnings into /var/log/messages?

I keep getting these log warnings due to a bug in kvm. Jun 30 19:12:31 server kernel: kvm: 28882: cpu0 ignored rdmsr: 0x345 Jun 30 21:12:31 server kernel: kvm: 31191: cpu0 ignored rdmsr: 0x345 Jun ...
-1
votes
1answer
39 views

Sqlite Browser NOT opening on Centos 6.5

When I try to open an .exe file in centOS (Release 6.5) by double clicking, it is not opening. I am creating an app which requires databases. I cannot check whether the data has gone in database or ...
-1
votes
2answers
74 views

My Centos Server cannot resolve the DNS host name [closed]

My Server OS: Centos 6.3 x64. The server iptables is: *filter :INPUT DROP [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT -A INPUT -p tcp -m tcp --dport ...
2
votes
1answer
56 views

No 32 development library error after install glibc-devel.i686

I am trying to install gcc 4.9.0 on centOS 6. During ./configure there is an error coming up: /usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-redhat-linux/4.4.7/libgcc_s.so when searching for ...
4
votes
2answers
61 views

777'd some files. How do I repair SSH?

So I'm messing around on a test server and accidentally ran the following (which resulting in SSH breaking): # chmod -R 777 /var Because it's a test server, I'd rather not re-install right now, I ...
2
votes
1answer
55 views

set ip default outgoing in centos

I have server which has Centos and I want to change the outgoing IP address. This is the output of my route and route list commands. [root@marketport tmp]# route -n Kernel IP routing table ...
2
votes
0answers
44 views

How to activate reverse tethering on CentOS 5

Most examples for reverse tethering are for Ubuntu. They go something along these lines: Attach smartphone Configure usb0 Start reverse tethering on the smartphone Use the PC network via USB from ...
2
votes
1answer
27 views

Create an RPM to distrubute custom SELinux policy

I have created two custom SELinux Policy modules to allow rsyslog to parse audit.log. Can I create an RPM of these two policies to distribute to 300+ clients? Is there a better way to go about this? ...
2
votes
1answer
34 views

virt-install cpu0 unhandled rdmsr

I'm trying to install a guest VM using KVM on a partition. I use virt-install. I call the following command: virt-install -n centos --ram=1536 --vcpus=1 ...
3
votes
1answer
48 views

Make RPM Satisfy Dependency Requirements of Other Installed Packages

So, I am installing a java app that I wrote which uses jnetpcap. This requires libpcap of at least v1.0.0. My CentOS 5.8 only has libpcap 0.9.4, which is required by other installed packages. I've ...
2
votes
3answers
89 views

Unable to access CentOS setup Network Configuration after attempting Python update

I attempted to update Python on my CentOS 5.6 VM and have encountered some issues afterward. Initially, yum wouldn't work, but I have resolved that. However, now I am unable to access the Network ...
0
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0answers
43 views

Can not call a command

I have a script /etc/init.d/tilestream with: TILESTREAM="/usr/bin/tilestream" MAPPATH="/data" HOST="host" #HOST="localhost" #UIPORT="9001" UIPORT="8888" #TILEPORT="9000" TILEPORT="8888" ...
0
votes
1answer
25 views

How to add TileStream in autoload CentOS

I'm new with CentOS. I have a installed tilestream. Now want to tilestream start automaticaly after system restart. Do like this tutorial. /etc/init/tilestream.conf #!upstart #description ...
2
votes
1answer
71 views

How to install Node.js in CentOS 5.10 with Python 2.4?

I want to use Grunt on websites we have hosted on our WHM dedicated server. It is running CENTOS 5.10 x86_64 standard with WHM 11.42.1 (build 21). It is critical that things do not break, as we have ...
1
vote
1answer
30 views

CUPS filter for a raw queue

I am having issues figuring out how to add a filter for a raw queue in CUPS - if this is possible. Basically, what I need to do, is convert a TIFF to PS before sending it to the raw queue. The ...
-1
votes
1answer
37 views

Password length and complexity

I am using CentOS and I want to set the minimum password length, minimum password expiry , maximum password expiry and password complexity in my system. I have looked over some tutorials to change ...
0
votes
0answers
51 views

Unable to mount cgroup

I've been searching for a solution to this problem but none was working. I would like to start my LXC container but i need to mount cgroup before. [root@stag-devCentOs ~]# lxc-start -n debianLxc ...
1
vote
1answer
190 views

Upgrading kernel 2.6.18 to 2.6.32 on CentOS 5.10

I've been looking on Google for 4 hours and I can't find a solution to my problem. I have a computer running CentOS 5.10 using Kernel 2.6.18-371.9.1.el5 and I would like to upgrade my kernel to ...
2
votes
3answers
489 views

CentOS - install using yum Apache 2.4

I need Apache 2.4 in CentOS because with Apache 2.2 mod_proxy_wstunnel is not possible. I have tried https://fedorahosted.org/SoftwareCollections/ but unfortunately its for RHEL after installing i ...
1
vote
2answers
112 views

eth0 not installed on CentOS

How would I go about installing eth0 on CentOS? When I do ifconfig -a, eth0 is not there. Here is the output of ip link: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue link/loopback ...
0
votes
3answers
29 views

CentOS returning 403 for all https URLs

We've found that all https URLs on a CentOS 6 VPS are returning a 403, across multiple vhosts. Is there a config setting somewhere that I should be looking for to check what's going on? Or a log to ...
0
votes
0answers
17 views

Start Netbeans as super user as a shortcut with password embedded

For my work purposes, I need to start netbeans in super user mode. I find it quite irritating to have to type this : su then enter the password ./netbeans everytime I want to start netbeans. How ...
0
votes
0answers
17 views

The Case of the Conflicting Bootloaders

A server with a 2-disk RAID array (mirrored) is serviced by a 4-port 3Ware controller. Recently it became inaccessible after a restart. At the console it asked for the runlevel. Indeed, the /etc ...
1
vote
1answer
44 views

Why isn't this XMLStarlet Query Working?

I'm trying to write a simple bash script that parses price info from the ebay developer API search results. Here's an example of XML search results for "Detective Comics 700": ...
2
votes
1answer
30 views

How do I find the NetBSD release for CentOS 6.5?

I want to find the NetBSD rump package used for CentOS 6.5. The list is present here. I want to get the rump package for CentOS and after searching, I found this version of netbsd-rump used in ...
0
votes
1answer
28 views

How to start the Snort service with logging enabled?

I setup snort on Centos server and add as a service. When I use service snortd start command, the log file is created but it is empty. If I use snort -q -l /var/log/snort command, the log file created ...
0
votes
1answer
35 views

How to reconfigure PHP

We have a new linux server CentOS 6.5 with Plesk. Default PHP is 5.3.3, I have installed PHP5.4 & 5.5 on the server. I am a beginner on linux. Actually, I don't know how to install software on ...
0
votes
0answers
9 views

CentOS Run Command as Root on Startup [duplicate]

I need to designate my network card device p4p1 with a certain IP address on startup. The command I am using is as follows : /sbin/ip addr add 129.100.14.2/24 dev p4p1 this works from the command ...
1
vote
1answer
24 views

CentOS as an xterminal

I have recently built a new VM on my CentOS 6.5 system. The VM has Ubuntu with ROS, the robotic operating system on it. I just wanted to experiment with ROS and I've been running some of the ...
0
votes
1answer
66 views

What is the foolproof/proper way to set hostname and domain on CentOS

I've seen a few ways of changing hostnames of domain names. One way is to issue the hostname command followed by the name such as: hostname localhost.localdomain /etc/sysconfig/network also has a ...
4
votes
1answer
72 views

STIG (Security Technical Implementation Guides) automation

Has anyone here found the best way to STIG a version of RHEL 6.x automatically? The other answers I have found are either out of date or do not completely STIG the machine. Even an image that has a ...
1
vote
1answer
45 views

CentOS Traffic Filter

I am trying to use Squid to filter the traffic flowing through the network. I am also trying to make this system transparent. My network setup is like so: Router -> CentOS Machine -> The rest ...
1
vote
0answers
56 views

checking sendmail status as NON root user

I am in the process of converting to CentOS 6.5 from 5.5 and need a way to check if sendmail is on or not. For reasons I don't want to go through, I need to be able to check if sendmail is ON as a ...
0
votes
0answers
49 views

can xsp4 run .net 4.5 based application using mono framework?

I have installed mono 3.2.8 package into centOS 6.5 to run web application using mod-mono module. I have also installed apache 2, mod-mono 2.10 and xsp 2.10.2 in that system. Then I have tried to ...
0
votes
0answers
22 views

How can I make CentOS 6 treating WiFi flexibly like Ubuntu 12.04?

In my office, I have AT&T Uverse. The router is a 2wire 3600HGV. The WiFI is provided by a Cisco Linksys E1000 that is plugged in the 2wire device. With my notebook running Ubuntu 12.04 LTS ...
0
votes
0answers
16 views

CUPS - no document types are supported?

I'm hoping to eventually share out a printer for my household using CUPS. At this point I haven't made it past the initial config on the CentOS 6.2 x64 machine. Any document type I try to print using ...
0
votes
2answers
51 views

Cant install gnutls.i686 on a x64 CentOS install

I need to install gnutls.i686 on CentOS 7 but I get this error in yum: Transaction check error: file /usr/share/man/man5/pkcs11.conf.5.gz from install of p11-kit-0.18.7-4.el7.i686 conflicts with ...