Questions specific to the CentOS Linux distribution. Use this tag if your question relates to how the CentOS distribution affects your problem; do not use it if you just happen to be using CentOS and your question is about a specific configuration detail or syntax.

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0
votes
1answer
4k views

No IP address on VMware running centos 7

I just now installed Cent OS 7 on my VMware 8 and I am not able to connect it to a network. I checked the VM network and its mapped to the physical NIC. The same setting work like charm on my CentOS ...
1
vote
0answers
130 views

how do I migrate liferay from one server to another?

I'm trying to migrate liferay to another server (both are linux machines, and I'm using the CE bundle with tomcat7). I moved over the entire folder. This is not enough, because usernames/passwords ...
0
votes
0answers
156 views

git add . error on dedicated server; fatal: Not a git repository

I was able to initialize a git repo on a directory containing one of our websites, but when I try to git add . I get this error: fatal: Not a git repository: /space/apache/vhosts/prestastore.com/...
1
vote
1answer
1k views

Can anyone please help debug these ata error messages?

my Centos 6 server has been playing recently in that it seems to freeze up and lose network access. I've been getting a load of ata5 error messages in the log and after some digging have determined ...
-1
votes
1answer
264 views

Ping to LAN address takes an incredibly long time?

I'm running CentOS 7 in a lab environment with one domain controller (DC - Windows 2012R2) which serves as a DNS and DHCP server as well. CentOS is joined to the domain; it can ping the DC and a ...
0
votes
1answer
130 views

Volume Group fails to recover

For the last 10 days I've been living a nightmare trying to recover my data. I'm trying to recover VG and mount it to access the data here's what I get [root@]# pvscan Found duplicate PV ...
2
votes
0answers
1k views

Exundelete can't restore the file

I'm trying to restore 2 important tar.gz files I know their directory but extundelete not restoring them although it's giving me the inode number. Loading filesystem metadata ... 2127 groups loaded. ...
1
vote
6answers
956 views

I can not install MySQL using yum on Centos7

I've installed centos7 recently, but, when I am trying to install MySQL using the command: yum install mysql-community-server I keep getting Exiting on user cancel while I am not hitting any ...
0
votes
1answer
377 views

Problems Setting Up DHCP Server On CentOS 6

I have been trying to set up a DHCP server on CentOS 6 running on an Intel NUC i7. I have installed dhcpd and am using the example dhcpd.conf subnet 192.168.1.0 netmask 255.255.255.0 { option ...
1
vote
2answers
234 views

Centos 7 - Recover mysql db from data files .frm and .ibd

I have migrated my operating system from Windows to Centos 7 without getting backup of mysql through mysqldump. Now I have mysql data files .frm and .ibd . I want to migrate them How can I migrate ...
2
votes
1answer
153 views

upgrade chroot version on centOS 5?

How do I upgrade chroot release on my centos 5 server? I want to install a service that uses a new capability available in later versions (--userspec) of chroot and I can't find any documentation of ...
0
votes
2answers
194 views

Unable to mount Volume Group [closed]

2 drives connected externally to a new server both are merged using LVM as one drive. vgscan Reading all physical volumes. This may take a while... Found volume group "vol_grp1" using metadata type ...
3
votes
1answer
898 views

How to tell systemd to start sshd later in the boot sequence?

My sshd_config file specifies it should listen on some specific IP addresses instead of on all IP addresses. The problem is that one of these NICs doesn't come up until later in the boot sequence. ...
0
votes
2answers
263 views

Centos 7 Drivers issues on HP sleekbook 15-b001ee

I am fresh to linux and centos. I have installed centos with GNOME desktop successfully but after signing to my account couldn't find Sound and Wifi working. I have google a lot but everything is ...
0
votes
0answers
217 views

Subversion // installed and set, but fail to connect

I aim to get my own SVN server. I installed Subversion, all had been ok. I configured it <Location /myrepo> DAV svn SVNParentPath /svn/adlsvn #For any else ...
0
votes
2answers
168 views

CPanel / WHM // CentOS // SELinux

The file config indicates SELinux mode is "target". Is it enabled or disabled ? Terminal/SSH says 'disabled'. But several behaviours here and there act like it is enabled. Thanks.
5
votes
3answers
12k views

CentOS 7 - Rename network interface without rebooting

I'm renaming network interfaces by modifying the files in /etc/sysconfig/network-scripts. eth0 -> nic0 eth1 -> nic1 The content of the network scripts looks like this, after modification: # cat /...
0
votes
1answer
4k views

“yum-config-manager --disable <repoid>” How to get repoid for centos 7?

I mistaken installed centos7 minimal. But I want to install GUI for Centos 7.From this link, I try the following commands: yum groupinstall "GNOME Desktop" "Graphical Administration Tools" But It ...
1
vote
1answer
2k views

TFTP times out in CentOS 7

I have an isolated server that telnets into the single device on its network and loads a file to it using the telnet command load. I am trying to recreate the functionality on another PC. The old ...
2
votes
0answers
73 views

recover lvm formatted partition

I had 2 old drives having LVM installed showing as 1 drive. They were attached by the datacenter to the new server to migrate data but they weren't able to be mounted I tried everything possible until ...
0
votes
1answer
578 views

How to format old laptop and install CentOS

I have an old laptop with Windows 7. I want to remove everything and install CentOS 7 to turn it into a server. What I know is that I should format the old OS somehow and get iso image of CentOS and ...
-1
votes
1answer
384 views

how to convert video into webm format using ffmpeg in centos

how to convert video into webm format using ffmpeg and libvpx in centos I have install ffmpeg and libvpx in centos.but it's doesn't convert mp4 format into webm format. but in windows i have check, ...
1
vote
0answers
339 views

Error running startx on CentOS via SSH

Whenever I attempt to run startx on a system I have SSHed into, I get the following output: xauth: creating new authority file /root/.serverauth.6604 X.Org X Server 1.15.0 Release Date: 2013-12-...
1
vote
1answer
95 views

Help about CentOS 7 apps & Driver [closed]

I'm using pc for several years but never tried Linux so I'm quite noob in this field. I'm using Autodesk maya, Nuke & will learn houdini very soon. I found that linux works faster for this apps so ...
1
vote
0answers
293 views

Problem with usb's on CentOS

I have problem to recognize my USB devices on the CentOS 5.9(Final). Here are all the appropriate commands to help me debug me problem. dmesg | grep usb usbcore: registered new driver usbfs ...
7
votes
2answers
10k views

dm-0: WRITE SAME failed. Manually zeroing. Centos 7.1 on VmWare ESXI 5.5

I've got a error when system start on 2 VMs. dm-0: WRITE SAME failed. Manually zeroing. OS: CentOS 7.1 VMware ESXI 5.5 1-st VM has LSI Logic Parallel type for SCSI controller on HDD Datastorage. ...
1
vote
0answers
175 views

I2C driver support baud rate parameter

I have several test machines running CentOS release 6.5 (Final) and we are using Python 3.3 using the SMBus package to communicate over the SMBus (e.g., I2C). We are using the i2c-dev module. The ...
0
votes
1answer
62 views

Apache Module blocking access to FTP

I'm running a CentOs server with a lot of websites on it. The previous dev lead applied the Apache module to all domains. Problem is, now the client can't access their files in Filezilla. They can ...
0
votes
1answer
199 views

/var/lib/puppet/state/agent_catalog_run.lock exists

I'm seeing the following error on CentOS 6.4: # puppet agent --test Run of Puppet configuration client already in progress; skipping (/var/lib/puppet/state/agent_catalog_run.lock exists) What ...
0
votes
0answers
75 views

CentOS 6 Include Gateway for Static IP Address

I've just set up a static IP Address for my CentOS Machine using the following settings in /etc/sysconfig/network-scripts/ifcfg-eth0 #eth0 Config #IPv4 DEVICE="eth0" NM_CONTROLLED="yes" ONBOOT=...
0
votes
1answer
39 views

Configure CentOS run command prompt

How do I configure the run command prompt (the one shown with Alt+F2) in CentOS 7? It doesn't appear to be seeing my PATH or aliases.
0
votes
2answers
70 views

CentOS 6 Partitioning Root Drive

I have recently installed CentOS (into a machine with only one hard drive) and I would like to know how to Partition the main hard drive into two. As it is a fresh install there is no data to lose ...
1
vote
1answer
2k views

Cannot install gcc on CentOs 6.6

I cannot install gcc on centOs because it cannot find some files, this is the last part of the console when I execute the "yum install gcc*": --> Processing Dependency: binutils-hppa64-linux-gnu >...
0
votes
1answer
82 views

Linux Hard Drive Partitioning

I've decided to do a fresh Linux CentOS 6 install onto a small computer which I intend to use as a basic server. The OS has been installed and I would like to partition the 31gig sda drive (there is ...
0
votes
2answers
330 views

Best Window Manager for One Application

First off: I'm running CentOS light (If this is a bad choice, perhaps recommend one. I'm able to switch between distros fairly easily atm) and I don't need a complicated setup, I just need to be ...
2
votes
1answer
462 views

oddjob_mkhomedir doesn't run when logging in via SSH with Kerberos

I currently have a server which has Kerberos/SSSD/Samba to authenticate to Windows 2012 AD. In /etc/pam.d/system-auth oddjob_mkhomedir is set as below: session optional pam_oddjob_mkhomedir....
1
vote
1answer
1k views

How can I resolve “duplicates” in yum?

In a moment of confusion and impatience, I severely damaged my OS. Here's the deal... System: CentOS 7 Problem: essential packages like SAMBA do not work, and yum will not do anything. How it ...
1
vote
0answers
522 views

PHP Fatal error: Call to undefined function mysql_pconnect() in

PHP Fatal error: Call to undefined function mysql_pconnect() in I'm using php version 5.3. server centos 6 I installed php-mysql. i don't know much about centos. Another server which is centos 5.9 ...
0
votes
1answer
986 views

How to update squid proxy 3.5 in Centos 6?

I am using Centos 6.6 with 32 bit OS. Now I want to update squid proxy from 3.1 to 3.5. Is it possible to update in centos 6.6? If it is possible, please tell me how to update it.
0
votes
0answers
95 views

CentOS 6.5: USB or DVD option wont show in boot menu

I downloaded CentOS 6.5 - I need this version for a particular reason - liveCD and used both Win32 Disk Imager and ISO to USB to create a bootable USB. However, after rebooting and manually bring up ...
1
vote
0answers
135 views

How to enable Tcp\Ip remote connections in Centos 7.0

I am running Centos 7.0 using VMPlayer . I have set a private network shared with the host (Windows 7) . On my Centos Server i have opened a tcp listener on port 10102 . I could not connect to this ...
0
votes
0answers
102 views

I use a shell script to mount several dirs that share from IBM N6040, it works on centos6 but not on centos7

First of all ,the username、password and the share dir's path is correct, it works on centos6 ,but not on centos7 The code in the shell script like this : mount -t cifs -o username=someone,password=...
-1
votes
1answer
80 views

Vsftp too much time for login [closed]

While I'm trying to connect my new Vsftpd server using ftp client. The user authentication passed quit speedy but next steps lag too much. Please help me to speedup my Vsftpd server.
1
vote
1answer
345 views

What regulates user privileges for the `mount` command?

My installation of CentOS 6.5 has stopped auto-mounting DVDs in KDE (default) X Window desktop environment (e.g. with all the KDE helper functions). Trying to troubleshoot this unexpected change in DE ...
1
vote
1answer
402 views

Adding alias in /etc/hosts for Linux OVM

I have deployed a CentOS 6.6 VM (hortonwoks sandbox VM) on my Windows 7 OS. The VM publishes apache spark applications through a http url. The url's have the hostname as "sandbox.hortonworks.com" (e.g....
1
vote
1answer
1k views

Install Mono Project Offline on Centos 7.0

I want to install Mono on CentOS 7. My problem is that I can't connect my machine to the internet. What Packages do I need to download for complete installation?
0
votes
1answer
584 views

Dtrace on linux

I am trying to install dtrace on Cent OS 6.4 kernel 2.6.32-358.el6.x86_64 with following error [root@mscserver dtrace-20150306]# make all BUILD_DIR=build-2.6.32-358.el6.x86_64 tools/build.pl build-...
0
votes
0answers
98 views

kickstart does not chmod a file in %post section

I have the following code executed in the %post section of a kickstart file for RHEL 6.6. echo '#!/bin/sh' > /root/add_user echo 'if [ $# -lt 1 ]; then echo "no username provided"; exit 1; fi' &...
1
vote
0answers
870 views

“Error uncleared PCH FIFO underrun on transcoder A” during boot centos 7 on toshiba

I have toshiba Satelite model (C50 1001C model number) laptop. When I start it is giving 1.643361 [drm:cpt_serr_int_handler] *ERROR* uncleared PCH FIFO underrun on transcoder A 1.643363 [drm ...
0
votes
0answers
131 views

HAproxy wont see Apache after uninstall Nginx, why?

I have a website I need to mount and I'm doing so with an HAproxy as load balancer, 3 webservers, 1 memcached, another HAproxy and a mysql galera cluster with 3 servers. All in CentOS 7. Anyway I ...