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

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cannot connect mobile device to tomcat on Centos Linux

i have my web services in local and run in Tomcat and it works (in local). Now i want to connect from smartphone browser to this tomcat. For example my Pc have ip:192.168.1.140 and my ...
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45 views

centos virtual machine not registering with intranet dns server

When I am creating a Ubuntu virtual machine on virtual box it automatically registered with DNS server in my intranet network, it has both intranet IP and domain name. When creating CentOS virtual ...
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94 views

Samba 4 has high CPU usage when accessing mapped drive through Windows

I have noticed that when I access my Samba share from Windows, the smbd daemon will always use aprox 10-20% CPU - no matter if the share is used or not from Windows. Even if I close the share/window, ...
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0answers
8 views

VSFTPD Home Directory CentOS 6 [duplicate]

I’ve installed vsftpd on my CentOS 6 server and it works fine. I’ve created a user and can connect to the server and edit files in that users home directory fine. However, I am trying to be able to ...
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1answer
36 views

java upgrade problem on centos 6.5

I want to upgrade my jdk on a centos server, after some simple searches i found some solutions. From this link, you can see that the instructions are simple: jdk 7 installation guide for centos ...
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1answer
57 views

GRUB2 not detecting Windows; rootnoverify: command not found

Story: I had Windows on one partition, and an unallocated partition. I then installed CentOS 7 on the unallocated partition. (I selected the option for the installer to automatically create the ...
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1answer
124 views

Does all packages included in CentOS Everything ISO get installed along the base system?

The Everything ISO for CentOS is significantly bigger than the regular DVD ISO because it contains a lot more packages. Question: are these extra packages all installed automatically when I install ...
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1answer
23 views

Configuring Named DNS zones (Centos7), specifically CNAME

having trouble with some DNS configuration, I have managed to get part of the site working, however adding the prefix 'www', I'm finding a little tricky. Essentially, what I want is mysite.net -> ...
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1answer
28 views

How to install openstack havana (compute) in centos?

I am working openstack havana, so how do I install openstack havana on centOS? When i try to install it I get this error: Loading mirror speeds from cached hostfile base: centos.excellmedia.net ...
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1answer
63 views

CentOS-7 Kernel Image has a “debug” suffix after a Kickstart installation

After finishing a customized CentOS-7 kickstart installation from a CDROM, the system has booted as expected and according to the ks.cfg file. At the grub menu the options I have are: CentOS Linux, ...
2
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1answer
82 views

Curl failed to read known_hosts file

I'm trying to download a file from a Centos 6 server using another Centos 6 server as client and curl with the scp protocol and I'm getting this error output: $ curl -v -O scp://cz/path/to/file * ...
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29 views

Permissions doesn't change while mounting windows directories (mount.cifs)

I used this command: mount.cifs //192.168.1.106/ukv_sftp$ /home/admin/public_html/remote -o credentials=/root/.smbcredentials, uid=500, gid=500 but permissions set only for root user, uid=500 and ...
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2answers
53 views

Tomcat 8 doesn't start

Upgraded tomcat 6 to 8 on Centos 7. I get this error in logs: /usr/local/ctera/apache-tomcat-8.0.14/bin/catalina.sh: line 421: -Djava.endorsed.dirs=/usr/local/ctera/apache-tomcat-8.0.14/endorsed: ...
0
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1answer
133 views

Route Client Traffic Through VPN Tunnel

I have configured a vps following this tutorial, the server and client are successfully connected and can ping each other, server is at 10.8.0.1 and the connected client (android-OpenVPN Connect) get ...
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1answer
156 views

Different package versions in different repositories

Following the advise on Using Awesome window manager on CentOS 7, I installed the fedora 19 repository so I could get Awesome working on CentOS7. However, when I run yum update, I am getting this ...
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1answer
33 views

egrep multiple patterns with dashes

I am trying to match the followings with egrep '201411[08|09|10|11]-[117|111]-' 20141108-111-xyz-abc 20141110-117-342-lala But for some reasons, the 2nd character class pattern ([117|111]) doesn't ...
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0answers
84 views

Where is module prefork.c settings in Centos 7?

I used to edit the settings in etc/conf/httpd.conf for better memory performance <IfModule prefork.c> StartServers 2 MinSpareServers 3 MaxSpareServers 3 ServerLimit 15 ...
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25 views

Centos web camera, fast application for snapshot?

I'm using ffmpeg for taking snapshots / still images with web cameras. I'm going to use several web cameras to take photos at the same time or one after the other (timelapse). It's important for me ...
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0answers
87 views

Port Forward For OpenVpn

I have setup a OpenVPN server on CentOS 6, and it starts ok when i /etc/init.d/openvpn start it shows me Starting openvpn: [ OK ] so far so good, but ...
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4answers
122 views

same encryption with /etc/shadow

I'm doing a gui tool for some malware detection script in linux to let server administrators to analyse the result of this script within the web. as I know the encryption used in /etc/shadow is ...
2
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1answer
217 views

Install Solaris 8 on Qemu-SPARC

I've been struggling with installing Solaris 8 Sparc-32bit on Qemu for a while. So far I've viewed several sites with instructions on how to install Solaris-sparc32bit on Qemu. But only yesterday was ...
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28 views

How do you connect app and DB servers from separate containers?

With Docker, how can I make the DB in one container accessible by the app server in another?
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191 views

install kde on centos-7

I have a minimal install of CentOS-7. The kernel has been updated to 3.20.0-123-9.2. I installed "KDE Plasma Workspaces". However KDE will not start. I manually installed xorg-x11-server-Xorg as ...
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0answers
28 views

IO throughput lower when only a single process using the disk?

I am running a busy cacti server on centos and sometimes the rrdtool process is painfully slow when writing to disk, in HTOP the IO Column would display something between 100-300. I a polling cycle ...
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0answers
38 views

Dual displays, one fixed, one spinning (CentOS 7)

I have 2 monitors and would like to have my setup like this: Monitor = fixed desktop (only 1) Monitor = dynamic, spinning desktop (1+) It was working like this at the beginning but somehow I ...
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1answer
56 views

export from MYSQL to CSV

How do I export from MYSQL to CSV in mariadb on Centos 7? I am using: Server version 5.5.37-MariaDB Protocol version 10 Connection Localhost via UNIX socket UNIX socket ...
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2answers
50 views

How to get the ~/.bashrc to work in the native terminal application in Centos? [closed]

The problem I had was to get the .bashrc and .bash_profile and/or .profile scripts to execute by default when using the native Gnome terminal application. I found a number of references which told me ...
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1answer
95 views

SSSD and autofs

I am trying to set up SSSD to get automount maps from Active Directory. I think my settings are correct but it uses the wrong username to query AD. It takes whatever that is set as "mapname" (behind ...
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0answers
77 views

CentOS - upstart script is created, but its never running at all

I have this following setup but its not working in my CentOS 6x (3.10.23-xxxx-std-ipv6-64 #1 SMP Tue Mar 18 14:48:24 CET 2014 x86_64 x86_64 x86_64 GNU/Linux) Step 1: vi /etc/init/a.conf description ...
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1answer
184 views

Mounting NFS via systemd in Centos 7

I am trying to mount an NFS share on a CentOS 7 box using systemd. This is my /etc/fstab entry: 10.0.0.104:/export /mnt nfs ...
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0answers
39 views

Possibly Compromised - ./brute xml2014 user x08 300?

I have a long list of a process called "./brute xml2014 user x08 300" when I type in "ps aux". What does this mean? Does this mean my server is being used as a DDoS bot? Here's a screenshot of what ...
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25 views

Giving a user SFTP access only with access to subdirectory outside of home?

I have user [USER A] account which contains scripts and a downloads folder. I would like to create a new account [USER B] so that the user has read/write (SFTP and not full SSH) access to their home ...
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1answer
44 views

Is there an init.d start log?

I am experiencing a problem with an init.d script (the service won't start), so I'm wondering if a log is available so I can fix the problem.
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0answers
45 views

Learning differences between Fedora and Redhat [closed]

Background: I have a fairly decent background in linux and am currently using Arch as my primary OS. However, I am going to start working at a new job that requires using and administrating Redhat ...
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1answer
24 views

Backup Mails to new server

I have a custom domain hosted with Microsoft Outlook mail service. now they are not offering creating new accounts under my domain and I decided to move new server. so I configure all the things with ...
4
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1answer
343 views

CentOS 7 boots too fast and network is not ready when executing cron scripts

I have just upgraded from CentOS 6.5 to 7.0 and I am not too happy as the new systemd is probably giving me problems. It seems it is just simply booting too fast, starting up processes asynchronously ...
1
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1answer
112 views

disable persistent network device naming [duplicate]

I have CentOS-6.5 running in qemu-based virtual machine, with a single ethernet interface, which surprisingly is being renamed by udev from eth0 to eth1 for whoever knows reason (!) So I want to to ...
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1answer
47 views

Installing packages on multiple Centos machines

I have to install standard package like java 1.7 in 40 of my lab machines which are connected over a LAN. I know I can simply write a shell script to install something in user space of each system, ...
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1answer
96 views

How did my default file permissions get changed from 666 (before umask settings) to 04501

I have an installation of CentOS 6.5 that suddenly started having issues with dealing out file permissions on new or recreated files. when I create a file with touch, instead of the usual 644 or ...
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0answers
75 views

Why would whois take up 100% of the CPU?

Running top on my CentOS web server shows an instance of whois running from 99-100% of one of the CPUs. I've not knowingly used whois on this server before, would it be safe just to kill this ...
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0answers
13 views

Http taking all swap [closed]

I have a dedicated server running centos&cpanel with 2 GB of ram where I host several websites. All are wordpress + 1 opencart. Every 2 days or so the swap memory get consumed and server load ...
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1answer
204 views

Interdependent conflicting packages in CentOS 6.5

I've been using CentOS 6.5 as my OS for quite a while. Usually I don't have many problems with Linux installations, but as they new CentOS 6.6 was released I found myself in a bit of a problem. There ...
2
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1answer
213 views

Unable to use yum repos whether with baseurl or mirrorlist in CentOS 6.5

Since a couple of days, I'm unable to retrieve repositories data with Yum, in my CentOS 6.5 server. I did yum clean all a dozen of times, it emptied all but didn't solved the problem. I tried to ...
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0answers
10 views

Huawei(e303s) installation in centos 6.4

I have installed CentOS 6.4 in my system. I connected Huawei(e303s) with airtel 3g,tried installing the driver provided with Huawei its getting installed with some error. It shows error like : The ...
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0answers
69 views

Tor install on CentOS server

I have followed the instructions provided here: https://www.torproject.org/docs/rpms.html.en However, when running yum install tor, i get the following dependency error: Error: Package: ...
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1answer
42 views

Fatal Error while trying to detect swap signature

I've installed CentOS 6.5 On VMWare Workstation. I added a SCSI Virtual Disk (.vmdk) to this Machine when it was Powered On. I decided to store the Disk as a single file & allocated all disk space ...
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244 views

compiling broadcom wlan driver on centOS 7

my wireless is not working on Cent OS 7. My device was manufactured by Broadcom BCM43142 802.11b/g/n. I am trying to compile the driver with the information given here. ...
3
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1answer
78 views

Centos 6.5 not able to login with public key and login is sloooooow

I set up a new system with CentOS 6.5. I copied my public key key with: ssh-copy-id root@192.168.1.202 It took 15+ seconds for the password prompt to show, but then it copied. However ssh to ...
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1answer
68 views

Auto code completion in GEdit and VIM, for C++

Being a Visual Studio fan, I am just wondering if I can have same feature in GEdit and VIM. PS : I’m new to VIM and currently using CentOS and Ubuntu.
3
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1answer
136 views

Using X-Windows from Windows 8.1

I have a Linux box that I don't have physical access to, but I do have SSH access. I'd like to know is if there is something similar to SSH or Telnet that would allow me to use Gnome or KDE instead of ...