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

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text colors in CentOS 6.5

I've got an inventory/ordering program that runs on cobol on CentOS. The program is pretty much all text-based and looks like an old DOS program. I did a reinstall of the server, updating from ...
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42 views

How to use binaries in jailshell?

I'm offering jailshell (on CentOS- whm) access to someone in order to use the folder sync tool called Unison (Some sort of bidirectional rsync) That's for the background. Unison is installed, as ...
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24 views

Use HUAWEI Gsm Modem in centos 5.01

I'm trying to develop an application that sends sms from my centos pc. And in order to accomplish this I am using HUAWEI Gsm modem. But I can't get to connect the modem to my virtual centos 5.01 ...
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17 views

Every time I try to resize the partition I get 2 MB instead of what I wanted?

I'm trying to partition my hard drive when installing CentOS 7. I chose manual partitioning, set the partitioning scheme on Standard Partitioning, then clicked on "Create them automatically". The ...
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61 views

DNS/BIND configuration to resolve *.mail.*.outlook.com subdomains

I'm running BIND 9.3.3rc2 on a CentOS 5 system acting as an SMTP server. Until last week, I haven't had any problems with DNS or name resolution. The only problems I have resolving are with subdomains ...
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46 views

how to make firewall changes permanent via firewall-cmd?

I am trying to open some ports in CentOS 7. I am able to open a port with the following command: firewall-cmd --direct --add-rule ipv4 filter IN_public_allow 0 -m tcp -p tcp --dport 7199 -j ACCEPT ...
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35 views

Unable to trap “CTRL+C” within kickstart “%pre” bash script

I'm using an interactive pre-installation bash script in a CentOS-7 kickstart image. I was trying to use "trap" to catch user Ctrl+C (SIGINT) and run some code as follows: trap_ctrl_c() { #Some ...
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20 views

Installing xcache-admin after easyapache configuration(issues) RHEL6

I configured my server with easyapache with setups up XCACHE for me. The issue is it doesnt include xcache admin and I need that to use our platform. When I try and YUM the package from EPEL, It tells ...
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313 views

CentOS 7 httpd failed to make connection with backend

In a CentOS 7 server with apache httpd 2.4 set up as an ssl reverse proxy for tomcat, I am getting an error indicating that httpd is not able to connect with tomcat. How can I resolve this error so ...
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99 views

completely clean re-install of mysql on CentOS 7

I have encountered problems with a mysql installation on CentOS 7. All the data is backed up, so I just want to completely erase every remnant of mysql on the machine and then do a clean install. My ...
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34 views

Setting different path for installation in python packaging

I am new to python packaging. My Command Line Interface (CLI) named virtdc modules has to be installed in /var/lib/virtdc. virtdc is the top folder structure /var/lib/virtdc/ framework/ ...
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19 views

Automated STIG implementation on CentOS7

As someone new to STIG who has done a lot of reading, I'm looking for options on automated STIG implementation on CentOS7. Specifically, I'd like a package similar to the stig-fix-el6 package. My ...
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26 views

Configuration of “Same Host Name” for my all LAN Machines under squid proxy

I am having the network model as Modem N/w Switch ISDN (Airtel) -----------> Server(Centos) [Squid] -----------------> Client Machines. ...
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29 views

Automatically creating windows shares when logging on to CentOS7

I am in charge of researching the suitability of deploying CentOS 6 or 7 to around 200-400 macs in a triple boot (OSX,Win7,CentOS 6or7) configuration. We currently dual boot Win7 & OSX using ...
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150 views

CentOS 7 won't serve static https content, why not?

I just re-installed httpd and created a static index.html file. I have firewalld configured to allow internet access to the https service. But when I type https://my.server.ip in a web browser, the ...
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16 views

suddenly no service, except ssh is accessible from wan

I recently did install the GNOME Desktop and Graphical Administration Tools package groups to my remote host, for remote desktop connection. After the installation of nearly 550 dependencies was done, ...
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20 views

Unable to Install and Configure Apache Wave on CentOS

I have been going about this for a few hours now and I am stuck at this point. I am installing Wave on CentOS per the instructions found Here. I get to the point where I use ant to grab the third ...
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49 views

web container options for war file in CentOS 7

I know that Tomcat and NginX are both able to host web applications that are defined by war files. But can httpd also host a war-file-based web application on a CentOS 7 server? If so, how would you ...
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153 views

Install SVN 1.8 on Centos 7

I've tried installing the newest version of SVN but nothing is working. On yum there is 1.7. When downloading rpm/zip error occurs when trying to configure. Setting some additional repositories ...
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57 views

deploying a war file to a remote centos 7 server

If tomcat is installed in a remote centos 7 dedicated web server, and a war file is placed in the webapps folder, how would you set things up so that http requests originating all over the internet ...
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120 views

How to use i3 on CentOS 7 with Gnome?

I have a CentOS 7 with Gnome running on my machine. Now I want to use i3 as the window manager. I managed to install i3 but I don't know how to make CentOS 7 use i3 now. I tried to edit .xinitrc like ...
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139 views

Network firewall on CentOS, host cannot be resolved?

I have a centos machine and I am trying install some dependencies using yum. When I do this I keep getting a message saying the host cannot be resolved. I was told the previous person that used the ...
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67 views

Install Xmind on Centos 7

i try to install Xmind on Centos 7, i try with: Download Xmind with deb package ar -x xmind-linux-3.31. . .-i368.deb tar xvf data.tar.gz cp -r usr/local/xmind/ /usr/local/ cp ...
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71 views

writing mysql output to file in CentOS 7

I am trying to run the following command from inside the mysql command line client in the CentOS terminal: SELECT Concat('TRUNCATE TABLE ',table_schema,'.',TABLE_NAME, ';') FROM ...
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557 views

rtl8812au wireless driver installation on Centos 7

I have a fresh install of Cent OS 7 with the Gnome desktop environment. I have been trying to install rtl8812au wireless drivers found at https://github.com/gnab/rtl8812au for my Netgear A6100 WiFi ...
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34 views

LAMP CentOS page/folder Outbound Inbound bandwidth monitor

I have a site, the server provide only allow 2000GB/month ($0.02/GB extra). I have monitor the bandwidth in my control panel, every day, i have about 12GB Inbound, but 100GB+ Outbound, a number very ...
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34 views

Strange behaviour of application running from NFS

I have two VMs running, one with Fedora 20 and the other with CentOS 6.6. I have a remote home directory mounted under /home1/user with autofs. /etc/auto.home1: user -fstype=nfs ...
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67 views

wget stops downloading: Cannot write to `-' (success)

Please have in mind that I don't know anything about this, nor any of its vocabulary, I am a simple web coder, trying to figure my way on the universe! I'm trying to link dropbox on my server, I am ...
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88 views

How do I set up a secure Samba share on CentOS 7?

I want to set up secured Samba shares so I can connect different users on the same computer to their own separate shares. I'll use a script to discover the user's credentials then run mount -t cifs ...
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36 views

Accessing CentOS7 server from public

recently I switched to CentOS 7 OS and set up basic webserver with Apache. I had no problems configuring SSH, FTP and LAN access to the webpage. But accessing from other IP's won't work. I'm 99% sure ...
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27 views

Asus T101 Touchscreen Not Recognized

I'm running CentOS 6.6 x86 on an ASUS T101-MT which originally came with Windows 7... Is there a way to get the touchscreen to work? I couldn't find any answers for this online and everyone seems to ...
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44 views

Port randomly closing (iptables)

I'm running CentOS 6.5 on a VPS and one of the services I have running is murmur/mumble (A voip application). The issue I'm having is that the port clients connect on will be open when I initially ...
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68 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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190 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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33 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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602 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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41 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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48 views

CentOS 7 and howto extend my current WIFI network

I am running CentOS 7 and I have both a wired cable and a WIFI on my box. The WIFI on my CentOS box I would really like to use to extend my current WIFI network if this is possible. My current network ...
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130 views

tmux unable to start a new session? “1;2c”

Introduction I just installed tmux onto my CentOS 7 machine, but I have encountered a bewildering issue. Whenever I try to attempt to start up a session using tmux or tmux new -s session-name, it ...
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75 views

problem installing oracle instant client on my centOS machine

I have downloaded and extracted the rpm package instantclient-basic-linux.x64-12.1.0.1.0.zip from oracle website and extracted it in /usr/lib/ where the current path is: ...
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14 views

What means “removing packages from package profile” in up2date in RHEL?

What does "... removing packages from package profile: ['package1', 'package2']" mean in RHEL, in the /var/log/up2date log? I thought it was dependencies, but the software is still present.
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62 views

OpenVPN service on CentOS7

I installed openvpn through the RHEL repo on a CentOS 7 machine. Problem is openvpn is not installed as a service (ie nothing in /etc/init.d/ or available through systemctl). I could install from ...
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71 views

System not responding and ttyS0 (ttyS0) main process (1627) killed by INT signal

The system is not responding(Unable to do SSH or Telnet, even scheduled cron job is not running) if it runs for more than 5 days. The scenario is "the ssh session is opened and console is opened from ...
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43 views

How do I set kernel-ml default in CentOS?

I have installed kernel-ml package from http://elrepo.org/tiki/kernel-ml Now I have both the original CentOS kernel and kernel-ml. How do I set kernel-ml as default on boot? Thank you!
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91 views

Ext3 file system became read-only and server reboots spontaneoulsy

We noticed ext3 file system in our CentOS 4.9 server became read-only. We got the following error in dmesg: EXT3-fs: INFO: recovery required on readonly filesystem. EXT3-fs: write access will ...
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220 views

Setting up a wireless connection on CentOS 6.5 without NetworkManager

I'm trying to set up a wifi connection from my CentOS 6.5 system to a wireless AP, without using NetworkManager. This is a fresh installation, but yet I don't see any ifcfg-* files in ...
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108 views

Show Plymouth Boot Screen failed

I am not getting proper information about how to solve this thing. I am using Centos 7 i've installed one open source called OpenERP. all services are running now. I have one issue i.e. ...
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71 views

Centos List connected computers/devices on network

I'm running on a CentOS and I would like to check to see what computers/devices are connected to my network. How would I be able to do that. I've tried nmap but I must have used it in the wrong order ...
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139 views

Rolling back EPEL 7

I have a fresh installation of CentOS 6.5, and I accidentally added the EPEL 7 mirror, and performed a yum update. Is there an easy way to roll this back and add EPEL 6 instead? Update I ...
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156 views

Keyboard doesn't working in boot menu on VirtualBox

I've just trying use CentOS 6.5 LiveCD on VirtualBox but all my attempts fail. When the system starts I see "Automatic boot in 10 sec ..." - if I do nothing, the message disappears after 10 seconds ...