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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1answer
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How do I start Postgres on CentOS 6.5?

Whenever I try to start Postgres, it gives me an error. Even if I remove the directory it complains about, it still fails. [root@ip-172-31-15-65 init.d]# service postgresql start /var/lib/pgsql/data ...
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0answers
10 views

Centos7 can't connect ot Internet but IP & ssh from local works

[if this is too long you can read from the bottom] Hello previously i have this Centos7 and it worked fine with the internet connection with static IP. The problem started when i installed GUI, ...
0
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1answer
8 views

Is there an equivalent to debirf for CentOS?

I've been using debirf to create a ram-only image of Debian. Is there an equivalent tool for CentOS?
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7 views

Tuleap - Trackers - Can't edit artifacts

It is impossible to have the little pencil to edit artifact after creation. I can create an artifact, but after that I can't modify it. I tried all what is available in config to properly set users ...
0
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1answer
3k views

With Centos 7 as a Virtualbox guest on a Mac Host, how can I change the screen resolution of the console / command line?

I am using the minimum install of CentOS 7 with command line access only (no graphic support installed). After spending hours reading online about editing grub files, installing guest additions, and ...
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1answer
19 views

Install Python on Centos

I have some scripts on my server that I to run when the url is loaded so I have been looking around and I'm not sure but from what I can tell I want to install apache python? Because right now I have ...
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0answers
20 views

CentOS 6 - Preventing people from accessing certain files?

So I have my CentOS 6 server, which is nice and good. But for some reason, people can always access my board's files and download them, such as http://mariomansion.net/templates/pagelayout.tpl If you ...
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0answers
16 views

My harddrive partitions are lost during attempting to install centOS 6.6. How to get back?

I had a windows 7 installation. I wanted to dual boot with centOS. So I separated a space for centOS and created root and swap areas. Then I installed centOS 6.6 normally. But it was not dual ...
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2answers
42 views

date. hwclock keep showing wrongly everytime after reboot

Edited question to better reflect situation. (My hwclock and date is not showing correctly) I am on +GMT 8 and i have set my hwclock to localtimezone by doing the following rm /etc/adjtime ...
0
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1answer
23 views

Why doesn't my ssh ask for password?

I created a user 'bbword' on my remote CentoOs a while ago and it belongs to the group 'wheel'. I just changed its password. I have two questions: 1) On my current user, after I execute "su bbword" ...
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11 views

How to set proxy server Squid on CentOS multiple connections for download

I am now using Cent-OS and i have installed squid proxy server completely. The problem i meet is when I use Internet download manager and set proxy) to download a file, Internet download manager could ...
1
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2answers
9k views

Version `GLIBCXX_3.4.15' not found in CentOS (in file /usr/lib/libstdc++.so.6)

I try to use a program and I get the following error. /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.15' not found Under /usr/lib64 the libstdc++ I see is libstdc++.so.6.0.13 (and a soft link). ...
0
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1answer
14 views

CentOS 7 image naming conventions

I'm looking at the following on CentOS 7: boot$ ls config-3.10.0-229.7.2.el7.x86_64 config-3.10.0-229.el7.x86_64 grub grub2 initramfs-0-rescue-9fde7dd9a7884e1b8fdef68620955b36.img ...
0
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1answer
669 views

Restore deleted system files and repair CentOS

I just made a big mistake and deleted a directory /home/virtfs/. I did not notice it has links to almost every library in the system. I'm running this server with cPanel installed but of course it ...
1
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0answers
36 views

Memory Usage of `yum update`

I was updating a slightly out of date server with yum update and ran into memory issues. It appears that yum requires enough free RAM to download each package. Updating single packages was not a ...
1
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2answers
30 views

how to gzip and scp at the same time

I have a file in which i wanted to zip up and at the same time transfer over to another host using scp. I tried to do the following command but failed. I do not mind zipping up and scp over later, ...
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2answers
18 views

Centos 6.5 directory size is incorrect using du command

I 'm running the du command on one of my websites directories and I'm getting 2 different result, I'm confused which one is accurate and why there is a big difference, here both command and the ...
0
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3answers
39 views

how to insert a text file in hosts.allow or hosts.deny?

So I read in man page of hosts.deny that i can input files in /etc/hosts.allow or hosts.deny to input ip addresses which i want to block or deny. So i tried doing this in hosts.allow sshd: ALL ...
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3answers
4k views

Cant get squid proxy to work

i need squid proxy on my centos server. But i just can't get it to work. I did yum install squid. Here is my squid.conf file (i removed all comments): acl all src 0.0.0.0/0.0.0.0 acl manager proto ...
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0answers
23 views

Add a package(RPM) to CentOS ISO

I'm having some trouble trying to install CentOS 7 (Everything iso version) on my Laptop with OSX Yosemite installed (Hackintosh). The error prompts when starting installation because it looks for ...
0
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1answer
31 views

Simulate a serial port that actually is an internet port [closed]

In CentOS, how do I make a fake USB serial port that is actually an internet port (like port 80 for http)? Edit: I'm sorry that I didn't make it clear. I'm trying to make a server-side compiler and ...
0
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1answer
155 views

Pure-FTPD certificate not being used

I am using Pure-FTPD from the epel repository on CentOS 6. Now I have configured to enable TLS which works fine however for some reason it wont make use of the certificate file I have placed in ...
2
votes
1answer
19 views

CentOS - Trying to backup/restore a MySQL database?

My CentOS 6 server got a server issue, so customer support took a backup of my server and reinstalled it. The backup is in a folder called /home/42406. I'm trying to find my MySQL database called ...
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2answers
3k views

Creating a USB stick for installing centos 6.x using DVD1 and DVD2 iso files

First, we create 2 partitions on the USB stick that is let's say 16GB. first partition is let's say only 1GB and the second partition is the rest of what is available. after we "w" write the ...
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4 views

Execute script on failover Corosync Pacemaker

I'm searching to execute script on failover with Corosync Pacemaker. I use Centos 7 with pcs, I have 2 server master and slave. I used a copy of Dummy script and this is my code; <shortdesc ...
2
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1answer
93 views

How can I install CentOS on the Windows Intel Compute Stick

Intel Compute Stick comes in two versions: one with Windows 8.1 and one with Ubuntu, but the Linux version has half the RAM and far less internal storage and nearly impossible to buy. So I am ...
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0answers
13 views

CentOS - Mouse and keyboad do not work after deleting /var/cache

My mouse and keyboard do not work anymore in CentOS 6.5 after I deleted /var/cache and restarted my PC.
1
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1answer
31 views

What's the equivalent of .bashrc for CentOS?

By configuring ~/.bashrc as desired, each time the user logs into their bash shell the configured settings (of .bashrc) will automatically be set. Now I must be missing something but despite thorough ...
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0answers
14 views

Modprobe vboxdrv failed centos

I am trying get Virtual box running in Cent os7 So far the vbox kernel compiles but will not start I'm just told "modprobe vboxdrv failed, please use dmesg to find out why" I have looked at "dmesg" ...
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4answers
5k views

CentOS installing jre/jdk error

[root@jony source]# sh run.sh Error occurred during initialization of VM Could not reserve enough space for object heap Error: Could not create the Java Virtual Machine. Error: A fatal exception has ...
3
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1answer
4k views

How to Install Python 3.2.2 on CentOS 6.5 amd64 Preserving Its Original Python Installation (2.6.6)?

How to install Python 3.2.2 on CentOS 6.5 AMD64 preserving its original Python installation (2.6.6)?
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CentOS 7 - resolution on login screen

Ive set the screen resolution on my CentOS 7 VM. But although the resolution is correct once I've logged in, the login screen resolution is far too high. I cannot find a way to change it. Does anyone ...
0
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1answer
3k views

MySQL ERROR 2002 (HY000) on CentOS 5

I have problem with starting up mysql. When I type service mysql start All I got is ERROR 2002 (HY000): Can't connect to local MySQL server through socket /var/lib/mysql/mysql.sock' (2)** ...
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0answers
30 views

How do you setup SCM Manager to use SSL, and not run off of port 8080?

I am trying to use SCM Manager to host a Mercurial repository, running off of a CentOS box, and the accessing machines are Windows 7 (if it matters). I have gotten the default setup to work, however I ...
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0answers
23 views

Changing I/O scheduler for SSD

I have many CentOS systems, some of them have traditional hard disks, some SSD, and some mix of them. I would like to change scheduler for SSD to deadline. So at runtime I can simply scan check ...
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0answers
20 views

Connecting via windows remote control to Centos(Xrdp)

I'm having a problem of printing text in code editor via rdp. I think problem a rise a specially using shift + key and F1- F6 keys, for example: When trying to print ":", I usually get: ...
1
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1answer
17 views

“yum update” failed in Cent OS 6.4

Got strange error on Cent OS 6.4. I started a new Cent OS 6.4 and here is what I got: # yum update Loaded plugins: fastestmirror, security Loading mirror speeds from cached hostfile Error: Cannot ...
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0answers
16 views

PostgreSQL and database cluster ownership on shared storage

For my research, I am using an always on virtual machine for the primary analysis of my data. In doing this I need (or, I suppose, would like to) create and store the data in a PostgreSQL database. ...
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0answers
14 views

How to install and configure Nagios-MNTOS? [migrated]

I just tried to configure MNTOS for my 2 Nagios server. I'm very new to this tool. I do not get a clarity on the installation. Should i install MNTOS on a separate server or any of my 2 Nagios ...
0
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1answer
4k views

domain MX record not found while installing Zimbra

I am getting this error: DNS ERROR resolving MX for localhost.localdomain It is suggested that the domain name have an MX record configured in DNS Re-Enter domain name? [Yes] named file: $ttl ...
1
vote
1answer
3k views

Setting up a second monitor in CentOS

I have CentOS installed on my laptop. I hooked up my TV via VGA and it works, just not as I'd like it to. The left side (on the TV) is cut off, like the image is justified too far left. I want it to ...
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0answers
18 views

Centos second router. After ~ 1 day no internet whole network

I have a weird situation. I have a TWC home internet line connected to a motorola sb6141 to a Linksys EA6300(w/ ddns) connected to a centos home built router I use for a second protected network ...
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0answers
142 views

Cent OS 7 : No disk selected issue on IBM server x236

I have IBM server x236, and when I try to insttal centOS 7 then it shows that no disk selected. But when I tried CentOS 6.5, it did not show any such error. I have configued RAID Model 5. How can I ...
13
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4answers
54k views

Where Linux places the messages of boot?

I want to find place to where Linux writes all boot messages. You know: facility one [STARTED] facility two [STARTED] facility three [FAILED] I searched with find . -print0 | xargs -0 grep ...
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2answers
445 views

Webcam problems on Centos 6.6

I've been unable to get a few different webcams working on CentOS 6.6. (Logitech C270 & Creative Live! Cam Sync HD) I think it's related udev but unsure. The following are my /var/log/Xorg.0.log ...
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1answer
42 views

redirection - why it doesn't work this way

I know there are 3 streams attached to a process when it is run namely the input, output and error stream. And redirection execution work from left to right. I intend to execute a command, redirect ...
2
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2answers
5k views

How to access shared folder between CentOS 6 and WinXP under vmware player 4

Based on Sharing Files between CentOS 6 and Windows Systems with Samba I am able to follow until section of "Accessing Samba Shares". however, my system is WinXP and I don't see CentOS 6 icon at all. ...
2
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1answer
152 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 ...
1
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1answer
31 views

Removing /tmp partition, what will happen?

We have a CentOS 6.6 server running, which is using a Raid0 on SSDs for the /tmp mount point (used for fast i/o). These SSDs need to be removed from the server, so the device where /tmp is pointing ...
0
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1answer
51 views

Can't write to an Intel 750 series PCIe SDD in CentOS 7

I am attempting to install an Intel 750 series 400 GB PCIe SSD card into a CentOS 7 system. The SSD shows up as /dev/nvme0 and /dev/nvme0n1 Attempting to format it with fdisk /dev/nvme0n1 results ...