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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8 views

mongodb php driver not working on centos [migrated]

I'm trying to setup a Mongo driver for PHP on CentOS server (centos-release-7-2.1511 x 86_64). These are the manuals I tried on CentOS: manual1 and manual2. Everything works fine on localhost but ...
0
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0answers
13 views

FTP Over SSL not accessible from outside network

We have setup an FTP server over SSL with configuration using vsftpd as below (/etc/vsftpd/vsftpd.conf): pam_service_name=vsftpd local_enable=YES write_enable=YES local_umask=022 anonymous_enable=NO ...
0
votes
1answer
61 views

CentOS: yum update Cannot find a valid baseurl for repo

I am trying to do yum update but I'm getting the following error. I have exported http_proxy & https_proxy Have added proxy settings in /etc/yum.conf like: proxy=http://10.44.208.10:8080 ...
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0answers
33 views

How do I get a yum repo to work in a Docker container?

What do I do about two Docker containers on separate VMs that have the same IP address on my network? I have two CentOS 7.x servers. Both have exactly one Docker container. When I use ifconfig, the ...
3
votes
1answer
3k views

Bridge does not get IP via DHCP at boot

I'm running CentOS 7. I'm not running NetworkManager, and I've actually uninstalled it. My system is supposed to acquire an IPv4 address via DHCP on br0 at boot. Howver, when I log in, it has no ...
1
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2answers
109 views

Xorg-server 1.16+ on CentOS 7

Due to an accessibility bug I cannot use Xorg-server 1.13 through 1.15. I see that CentOS 7 uses 1.15.0. Is there any way to use a later Xorg-server in CentOS 7? Fedora 23 has Xorg-server 1.18.0, is ...
0
votes
1answer
40 views

SSH into another VM via Perl / Sh script failing. Works manually

I want to run a Perl CGI script (a_web_page.cgi) from my dev box .1.20 that runs a bash script from the same folder (host_script.sh). This script then runs a SSH command to another server 1.10 that ...
0
votes
1answer
752 views

Change screen resolution of Xenserver Console for a CentOS VM

I need to increase screen resolution to 1024x800 for my XEN console. I tried to place vga=791 at the end of kernel line the file /boot/grub/grub.conf but it seems that most of the boot arguments ...
0
votes
1answer
1k views

CentOS 7 Install: Error populating transaction

I am having a yum issue with a CentOS 7 minimal DVD. I've spun a custom ISO based on CentOS-7-x86_64-Minimal-1503-01 and have only added a kickstart file that installs @core, sudo, rsyslog, and ...
-1
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1answer
15 views

I need help installing Ximera to a CENTOS server

I have a naked CENTOS server to which I would like to install the XIMERA package. https://github.com/kisonecat/ximera When I follow the steps given in the README file, I do fail to generate a ...
0
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0answers
68 views

Cannot connect to any host (including localhost) using PAC Manager on CentOS 7

I'm using following system: $ cat /etc/redhat-release CentOS Linux release 7.2.1511 (Core) $ uname -a Linux X 3.10.0-327.4.4.el7.x86_64 #1 SMP Tue Jan 5 16:07:00 UTC 2016 x86_64 x86_64 x86_64 ...
0
votes
1answer
54 views

Struggling to remove a faulted ZFS pool on Centos 7 using zpool

I have been doing lots of testing of ZFS recently on a new server. I'm ready to move this server into production now, but I'm wondering if I can get rid of my old 'faulted' diskpools before I do, ...
1
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0answers
72 views

yum update glibc - ERROR with rpm_check_debug vs depsolve:

I want to update my system with yum update but I get only errors starting with these two lines: Running rpm_check_debug ERROR with rpm_check_debug vs depsolve: Then, I tried only to update the ...
2
votes
1answer
37 views

Setting a disk space quota on a samba share residing on an ZFS pool

I have several samba shares, one of which is used for storing some backups. I want to set a disk space quota on said share, as the ZFS volume the share resides on is huge and multi-purpose... I don't ...
1
vote
1answer
2k views

Why can't nmtui see wlp3s0 on minimal CentOS 7 installation?

In a recent installation of a minimal version of CentOS 7 (terminal only, no GUI), typing iwconfig results in the terminal showing a wlp3s0 connection, as follows: [root@localhost ...
2
votes
1answer
90 views

Replace Firewalld with system-config-firewall-tui on CentOS 7

I have a question regarding firewall config on CentOS 7. What I have done Disabled firewalld with systemctl stop firewalld.service Installed and configured system-config-firewall-tui Tested my ...
1
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1answer
829 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 ...
1
vote
1answer
1k views

Empty desktop after installing xrdp on Centos 6.5 with XFCE as window manager

I followed the directions to install xRDP from this site (http://ajmatson.net/wordpress/2014/01/install-xrdp-remote-desktop-to-centos-6-5/) When I RDP from Windows -> Linux, I successfully enter ...
1
vote
1answer
855 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 ...
0
votes
1answer
27 views

VNC Server Centos7 VNC client Windows 10

I am trying to access my Centos 7 server's desktop so I installed ... [plankton@localhost ~]$ rpm -q --info tigervnc-server Name : tigervnc-server Version : 1.3.1 Release : 4.el7_2 ...
2
votes
1answer
744 views

Can't connect to Samba drive in CentOS 6.3

#smbclient //ballzdeep/torrents Server not using user level security and no password supplied tree connect failed: NT_STATUS_BAD_NETWORK_NAME Does this mean I would need to require a username and ...
0
votes
1answer
157 views

How to update OpenSSL on centos 7.2?

I am using centos 7.2, I will intall Nginx-CT,and it needs OpenSSL 1.0.2,the current version is as follow: [root@i001 ~]# rpm -qa|grep openssl openssl-libs-1.0.1e-51.el7_2.4.x86_64 ...
0
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0answers
23 views

Installing nginx from source error

OS is centos 7.2,installing nginx from source error: sslv2conftest.c: In function 'main': sslv2conftest.c:217:15: warning: 'currtest' may be used uninitialized in this function ...
1
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0answers
30 views

Is there a way to interleave two filesystems of the same structure?

I have a large networked file system whose backup routine sees some file systems as higher priority than others and are given more redundancy with backups. At present those file systems are visible as ...
2
votes
1answer
961 views

Cannot ssh into a fresh install of CentOS minimal on lan

I've downloaded CentOS 7 Minimal and installed on an old laptop. I want to be able to ssh to the machine from other machines on the same lan. But I keep getting this error .. ssh: connect to host ...
0
votes
2answers
105 views

Cannot figure out why epel is not showing up on yum repolist

I'm trying to add epel.repo on Centos 7. It seems like it is getting installed fine but it doesn't show up in the list and cannot use it. Here are the commands I run and their output. Am I missing ...
0
votes
0answers
18 views

where is nginx.lock file?

I am using centos 7.2,and I installed nginx 1.9.14 form source, wget -c http://nginx.org/download/nginx-1.9.14.tar.gz tar zxf nginx-1.9.14.tar.gz wget -O nginx-ct.zip -c ...
0
votes
1answer
1k views

Is not a valid path to the kernel headers?

Host - Windows 10 VMware - 11.1.2 Guest - CentOS 7 I installed kernel-headers using yum since during the installation of vmware-tools I get a message "Searching for a valid kernel header path... ...
0
votes
1answer
1k views

Install nginx 1.8 on Centos 7

I'm trying to install nginx 1.8 on Centos 7. I tried the following steps: Install nginx repo from http://nginx.org/en/linux_packages.html wget ...
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votes
3answers
32 views

changing permission after copy the directory? [closed]

I have two directory in two different path there are some common subdirectories and files between them I want to copy the content of first directory to the second one meanwhile I need the same ...
1
vote
1answer
787 views

Thruk installation “failed to open socket”

I am extremely confused, and Google isn't really helping. Also, I'm kind of a Linux novice. I've taken a couple of classes, but that was all about how to configure things in a basic Linux setup. I'm ...
0
votes
1answer
59 views

Why is the rename utility on Debian/Ubuntu different than the one on other distributions, like CentOS?

On CentOS, the rename command uses two simple strings, from and to. rename from to file... while on Debian/Ubuntu it uses a perl-style regular expression. rename [ -v ] [ -n ] [ -f ] perlexpr [ ...
0
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0answers
15 views

Changing interface from dhcp to static using nmcli in CentOS7 [duplicate]

I have a new CentOS7 box that I'm trying to configure the interfaces on, and I know how do do it the CentOS6 way (Modifying the ifcfg-* files directly), but id like to use nmcli if possible. I know I ...
2
votes
1answer
63 views

How to compile kernel module for different kernel version?

I have the following kernel installed: [root@localhost ~]# uname -r 2.6.32-573.el6.x86_64 And the following kernel source: linux-2.6.32-573.1.1.el6.x86_64 I am trying to compile a kernel module ...
0
votes
1answer
77 views

Timeouts with authd on CentOS 7

I am currently trying to augment my mailsystem by allowing servers that received mails from me within the last ten seconds to perform ident lookups. While the needed iptables rules are working ...
5
votes
3answers
3k views

SSH Login doesn't work using a key Without Password?

Agent admitted failure to sign using the key I'm working on centos6.5(32bit) and I have tried to ssh log in without Password Using ssh-keygen & ssh-copy-id? the steps that I have done: first I ...
-1
votes
0answers
15 views

A similar tool for centos?For compile rpms?

On Slackware if i want to compile and create pkg I use slackyd -B nameofpackage or sbopkg -B -i nameofpackage They catch sources from slackbuilds repos,compile and if all is ok create a nice txz ...
0
votes
1answer
791 views

Big trouble : rpm empty db, install V3 RSA/SHA1 Signature, key BAD, YumRepo Error

I'm little tired because I have spent hours solving problems, and can't find a solution on Centos 6.6. I have many troubles: rpm db is empty: try googling, find restore process, but always empty ...
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0answers
20 views

top command shows dnss running at 290%

We're running software on a CentOS 6.2 virtual machine and it's been crashing quite a lot lately and keeps running slow. I checked the RAM usage, but that's only using 4GB to 5GB of the available ...
1
vote
1answer
35 views

code to display the text TRUE

I'm a complete newbie and I'm starting to learn the basic for shell scripts. So I apologize if this question is very simple for most users. I'm trying to display the text TRUE to the screen if a file ...
0
votes
1answer
33 views

Use xargs and awk to print out free/total disk

I came across one script to check server and found this. df -h | xargs | awk '{print "Free/total disk: " $11 " / " $9}' free -m | xargs | awk '{print "Free/total memory: " $17 " / " $8 " MB"}' I ...
1
vote
1answer
293 views

Why are --older-than and --younger-than killall options missing in RHEL/CentOS?

I've experienced this issue in cleaning up scripts written by developer who were writing for Ubuntu systems, as well as ServerFault questions like this. Is there any reason the -o, -y (--older-than ...
0
votes
1answer
40 views

How to move empty disc space between partitions

I want to move an empty disc space from one partition to another. Is this possible? In the below image, I have free space under /local (/dev/sda3). I want to allocate this space to / which is on ...
1
vote
1answer
30 views

Answer redirect IP to specific port

I want make a system that has a few subdomains. I set each subdomain to IP address using DNS. I used random IP addresses for the question 165.93.198.34 x.mydomain.com (Which is actually ...
0
votes
1answer
1k views

Upgrade OpenGL from 1.2 to 2 for Nvidia GT218 [GeForce 310]

To run my application OpenGL version 2.0 or higher is required. glxinfo | grep OpenGL yields: Xlib: extension "NV-GLX" missing on display ":1007.0". OpenGL vendor string: Mesa project: ...
1
vote
1answer
34 views

SOLVED Missing partition / drive Centos 7

I was trying to change permissions on one of my NTFS partitions and I think I have messed something up. I entered the below command on Centos 7 and now the partition is missing from the File Manager. ...
1
vote
0answers
19 views

Can I install a .vmlinuz-<version>.hmac for an installed kernel after the fact?

I installed a kernel from elrepo on my asus ux501jw, centos7 os. I have tried the 4.5.0 and the 4.4.6 versions. Both of them do not install the hmac file /boot/.vmlinuz-.hmac file. Concequently the ...
0
votes
1answer
26 views

SELinux crashed data system

I wanted to change the type of some data for SELinux and I made a typo and sent the following command into the prompt as the root user: semanage fcontext -a -t openvpn _etc_t / Now my system ...
0
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0answers
13 views

Is there a way to edit video buffer size in google chrome in linux?

Its easy to do in windows but how to do it in google-chrome in cent OS 7. NOTE :I think google-chrome here is not using adobe flash perhaps it does not even need it but still i can play videos.
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0answers
15 views

Environment Modules: installing software

I understand how Environment Modules work, having used them before. I have read the various help pages, and I understand how to write a module file. My question is explicitly about the various ...