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

learn more… | top users | synonyms (2)

1
vote
0answers
23 views

Centos mysql: The file /usr/libexec/mysqld does not exist or is not executable.

Whenever i try to start mysql via the command service mysqld start I get the following error: MySQL Daemon failed to start. Starting mysqld: [FAILED] ...
0
votes
2answers
19 views

Cloning root filesystem of a virtualbox partition

I have a test virtualbox partition running CentOS 7. There are many configurations on this particular partition. Some particular configurations, I have forgotten. I need to transfer this virtualbox ...
1
vote
0answers
20 views

How has this arrangement of RAID disks occurred and is it recoverable?

I some months ago set up two RAID arrays for a system under CentOS 7. I was somewhat confused that the device list included two entries for each array, i.e. one had /dev/md126 and /dev/md126p1. The ...
-1
votes
0answers
13 views

No “Add to Panel” menu in GNOME 3 Classic in CentOS 7

This has been asked and answered a hundred times, but ALL proposed solutions which I've read DO NOT work for me. First up, this is CentOS 7, using GNOME 3 (selecting "GNOME Classic" when logging in), ...
0
votes
0answers
10 views

OpenVZ fails Container creating (Unable to get appcache tarball name for ve-basic.conf-sample with ostemplate debian-7.0-x86-minimal)

I have OpenVZ installed on CentOS 7.1. After I execute vzctl create 101 --ostemplate debian-7.0-x86-minimal I get command /usr/sbin/vzpkg exited with error 8 Unable to get appcache tarball name ...
1
vote
1answer
19 views

service start: HOSTNAME: command not found

Whenever i try to start a daemon service with the service name start I get the following error: /etc/sysconfig/network: line 3: HOSTNAME: command not found MySQL Daemon failed to start. Starting ...
3
votes
1answer
24 views

Is it sensible to use multiple LVM layers with mdraid

I'm building up a home server that will be used for a handful of different things. I'd really like to try a Btrfs raid 1 array for a large data store, but I'm using CentOS 7 (older kernel although ...
0
votes
0answers
16 views

restrict access to certain directory lighttpd

how to restrict access to certain directory in lighttpd, block all ip's and only allow for my ip address. root directory is at /var/www . and i created /var/www/stats directory and symlink to ...
0
votes
1answer
18 views

How to install Goldendict on CentOS 7

I've tried to install goldendict on my laptop which runs CentOS 7 on different ways: 1- I've tried to convert .deb package to .rpm with alien 2- I've tried to build from source (with error or qt4 ...
0
votes
1answer
20 views

Enable centos server to make FTP connection to other windows based server via php

When i am running this same code from my local wamp.Works fine and prints the result. //connection to a ftp server across proxy putenv('TMPDIR=/tmp/'); $ftp_server = "SERVER IP"; $ftp_user_name = ...
0
votes
2answers
29 views

How to change the login destination of a user in CentOS?

I'm having a dedicated server hosted with RackSpace, what I need to know is how to change the login destination of my user when I'm getting logged in to my CentOS using the PUTTY. When I'm getting ...
0
votes
0answers
21 views

yum update dependency in CentOS 6.6

After installing a rpm, by running sudo yum update in CentOS 6.6, I am getting the error Error: Package: qgis-python-2.8.1-3.el7.centos.x86_64 (neteler-QGIS-2.8-Wien) Requires: ...
1
vote
0answers
34 views

Centos 7/Gnome Applications menu items don't respond

I have CentOS 7 installed with gnome. After some uptime, no items under the 'Applications' menu respond.* I can open the menus and submenus and hover over items with the mouse pointer. They will ...
0
votes
0answers
21 views

Centos 7 GUI Freeze problem

I have installed CentOS 7 DVD ISO on my MSI GE70 Laptop that has geforce gtx 765m, when the GUI comes after 5 seconds screen freeze. Is this an nvidia problem? How can I solve it? I cannot disable ...
0
votes
2answers
26 views

Multiple NICs and Gateway CentOS

CentOS 6.6 eth0 IPADDR=10.0.0.100 IPADDR2=10.0.0.101 GATEWAY=10.0.0.250 NETMASK=255.255.0.0 eth1 IPADDR=10.120.0.100 GATEWAY=10.120.0.1 NETMASK=255.255.255.0 Gateway on eth0 has Internet access ...
0
votes
1answer
12 views

samba 3.x.x vulnerabilities patch

We know that samba has few vulnerabilities. How to apply patches for vulnerabilities of samba version 3 ? samba site does not give clear info as to how to apply patches. Also is it possible to apply ...
1
vote
0answers
33 views

CentOs7 Python 3.4 Install Method

This post relates to this question where I was asked to explain how I installed python3 on my system. I was attempting to install python3 on my system for development purposes. Something went wrong ...
0
votes
1answer
9 views

Where does Knoppix store the location of hard drives/

I've been looking on the web and through the few Knoppix books I have. I cannot see where to locate the hard drives for a CentOS server I've booted with Knoppix. I am booting the CentOS server with ...
0
votes
1answer
19 views

looking for a way to download a list of packages with yum

We are trying to setup a local repo that contains all the base packages. So to get started we need to download around 3500+ packages and save it in a folder that will be used as a Repo storage. We ...
0
votes
0answers
16 views

Implications creating System Accounts “useradd -r” Linux Fedora/RHEL/CentOS

I want to know what are the implications of create an account using -r option? # useradd -r ... The help says: -r, --system Create a system account. System users will be created with no aging ...
0
votes
0answers
28 views

Disabled root Access, how to use FTP

I removed the ability to login using 'root' to stop brute force attacks on my server, instead logging in as a regular user then 'su root' to the root if required. I need to use FileZilla to move, ...
0
votes
0answers
15 views

How to make a background service to capture commands and their output?

Is there anyway to make a background service capture all the commands executed by a user and also save the output in a text file?
1
vote
3answers
137 views

Force all network traffic go through default gateway

I have a machine that I want to force all traffic to go through the default gateway. Even traffic on the local network. I have made it to work by removing the auto generated route for this interface, ...
0
votes
0answers
11 views

Centos Redhat Cluster LICI RUCCI

I have 3 systems [Normal Desktops College LAB] with 2 Network Interfaces each node1.test.com : Public IP : 10.10.10.2 Cluster Hearbeat: 192.168.1.2 node2.test.com : Public IP : 10.10.10.3 Cluster ...
1
vote
0answers
28 views

LVM volume inactive after reboot on CentOS

It seems like there are many people with similar problems, yet I've found nothing that could help me. I ask here in hopes that someone might have a good idea. I've reinstalled a linux server from ...
-1
votes
0answers
28 views

How to mask IP address in linux Centos 6.6 [closed]

I have a server IP address and one application is running. Now I am running that application by typing IP address and port number in browser. So that application will running. What do I need? Client ...
0
votes
2answers
26 views

Upgrade Centos to 6.5 not 6.6?

We are running Cassandra, specifically Datastax's Enterprise version in our production CentOS environment. As such, I wanted to upgrade our machines from an older CentOS 6.3 version to 6.5, the ...
1
vote
1answer
46 views

CentOs 7 Python Issue “-bash: python: command not found”

I asked this at stackoverflow, but just realized it might be best here. If I need to delete it over there or should not have posted here, please let me know. I am still new to this site. Thanks in ...
0
votes
1answer
23 views

Why is my CentOS 6 system doing IPv6 lookups?

I have a fairly recently installed CentOS 6.6 system. I have disabled IPv6 as best I can: IPV6INIT=no in ifcfg-[eth0|lo] net.ipv6.conf.all.disable_ipv6 = 1 in /etc/sysctl.conf ...
0
votes
1answer
48 views

Starting Tomcat Service when starts CenTOS/RHEL/Fedora

I want to install tomcat 8 and run it in startup time I following these tutorials: I created the tomcat user: # useradd -U -r -M -d /usr/local/ServerWeb/tomcat -s /sbin/nologin tomcat ...
0
votes
1answer
18 views

rsyslog adding unwanted text to outbound log data

I'm using rsyslog to send access & error log data to a remote server. The interface is in place, but I'm getting an extra bit of text in the outbound log data that isn't included in ...
0
votes
1answer
25 views

I have just made a 2TB CentOS vm but the disk isn't available

ok yesterday I made a fresh VM with 2.0Tb of disk. when I do df -H this is what I get [root@datastore ~]# df -H Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_datastore ...
0
votes
2answers
17 views

CentOS future updates

We have been using CentOS as the OS for some of our linux servers for quite some time now. However, in a recent policy meeting, one of the colleagues said that there will be no more CentOS kernel ...
1
vote
0answers
25 views

how do I mount an external hard drive connected via SATA Wire to CentOS 7

I have CentOS 7 installed as a guest OS inside VirtualBox running on a Windows 8.1 machine. There is a SATA Wire connecting the machine to an external hard drive that used to contain a dual boot ...
0
votes
1answer
40 views

why are colors mixed up in CentOS 7 terminal?

I have CentOS 7 running as a guest OS inside a VirtualBox host. I opened a terminal to write some commands, but the colors are all messed up as shown in the following print screen: It looks ...
0
votes
0answers
18 views

1920 1080 resolution is not showing up [VBOX Cent OS 6.6] [duplicate]

MY /etc/X011/xorg.conf has the following configuration, but its not showing up 1920x1080 resolution in Guest centos 6.6 Section "Monitor" Identifier "Monitor0" VendorName "Monitor ...
0
votes
0answers
13 views

CentOS 6.3 - Firefox icon missing after reinstall

On CentOS 6.3, I have reinstalled FireFox to latest version using following set of commands: yum remove firefox cd /usr/local wget ...
0
votes
1answer
36 views

Centos 7 with facebook php-sdk4 - Network is unreachable

I am not sure why I am getting this error. Sometimes, it works and sometimes I get this error in the error log: Exception: Failed to connect to 1a02:1234:f000:4:face:b00c:0:1: Network is unreachable ...
1
vote
1answer
20 views

Trying to install a cluster, DHCP failing to start

Trying to install a linux cluster using this tutorial. I am running CentOS 6.3. When I try to start DHCP with service dhcpd start, it fails. I've used tail -f /var/log/messages and dhcpd -t, but I ...
0
votes
1answer
20 views

How to exclude .jpg, .jpeg, .png, .gif from a ClamAV Scan (clamscan)

As the title says. I'm running a clamscan command to scan my users home directories, I'd like to exclude images from the scan as these sites specifically have thousands of images. M
1
vote
2answers
32 views

What is the equivalent CentOS for Red Hat Enterprise Linux 6.5?

According to CentOS website, they use the source code from Red Hat, but I am not clear about what version of Red Hat source code is being used to build each version of CentOS. Is there a numeric ...
0
votes
0answers
26 views

Have kickstart install TCPdump

I have a kickstart file for RHEL 6 and in the package section for the installing of the TCPdump command line utility I put tcpdump as the package name. Like I did with java and g++ in the kickstart ...
1
vote
2answers
32 views

Using rsync to Synchronize Directories

I have a script that I am using to backup a directory on a CentOS 6 machine. It's very basic but it is executing rsync -a remote:~/original ./backup Which works fine it is copying the contents of ...
1
vote
2answers
65 views

Creating Group and User for Tomcat RHEL/CentOS

I newbie I want to create an user for my Tomcat installation, but I was viewing multiple options: # groupadd tomcat # # useradd -g tomcat -d /usr/local/tomcat tomcat # useradd -g tomcat -c "Tomcat ...
0
votes
0answers
48 views

PuTTY does not connect over SSH; other clients work fine

I have a CentOS system that I can connect to using several SSH clients (FireSSH, WinSCP, MySQL Workbench over SSH). For some reason, PuTTY, which was working a few days ago, can not connect. It will ...
1
vote
1answer
145 views

Cannot start NFS in Centos 7

I can't start an NFS server in CentOS7. The packages downloaded: yum -y install nfs-utils yum -y install nfs-utils-lib Enable/start services systemctl enable/start rpcbind systemctl enable/start ...
1
vote
1answer
38 views

How do I get X to start without a monitor attached while using NVIDIA drivers?

card : Geforce GT 730 OS : Centos 6.5 I'm trying to demo HP RGS on a CentOS 6.5 machine located in a DC offsite. RGS requires X to be running with NVidia HW acceleration, but I can't get X to start ...
0
votes
1answer
38 views

CentOS 5.11: yum installs, but packages remain missing

I'm trying to figure out a very strange problem with yum on a fairly old CentOS 5.11 VPS using DirectAdmin. Executing the following command suggests the telnet package is installed: # yum install ...
0
votes
2answers
55 views

CentOS 6.6: OpenSSL version

I have a CentOS 6.6 system. When I type into command line openssl version, the system gives me OpenSSL 1.0.1e-fips 11 Feb 2013. When I type yum update openssl, then yum says No Packages marked for ...
0
votes
1answer
26 views

Terminal doesn't calls 'then' a syntax error, command not found [closed]

I am a newbie for linux. I have centOS7. I am running a very simple script from BASH. I execute the chmod command and then run the script file from terminal, I get an error saying that if command not ...