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

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100 views

How to connect svn server installed on Centos from Windows [closed]

I've installed svn server on Centos and success to checkout locally. But when i try to checkout by it's public IP from windows by sliksvn command line there's error: svn co http://mysvnhost/svn/repos ...
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67 views

500 OOPS: chroot on vsftpd login

I'm aware this question has been asked a lot in the past, but my problem seems to be a bit different. I'm using vsftpd on my CentOS 7 server and I have specified chroot_local_user to YES in ...
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1answer
59 views

How to install Python module dependencies from my RPM?

I have an application that I am packaging as an RPM and installing on CentOS 7. When I install the RPM I want it to install some compiled binaries as well as some Python modules with their ...
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0answers
34 views

Opening a file with Atom causes Xvnc to crash

We have some CentOs 7 VDIs and this problem is only happening on one of them. Whenever the user tries to open a file on Atom (v1.3.1), the Xvnc crashes (segment fault) and kicks him out. This is what ...
1
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1answer
34 views

Force SSH password prompt without restarting the service [closed]

I've met a problem when I configure SSH users in Centos7. There are two computing nodes, for example: hostname: node1 users: user1 user2 hostname : node2 users :user1,user2 If I input the ...
2
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1answer
40 views

How to change the timezone on CentOS 7?

Does anyone know how to change the timezone on CentOS 7?
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1answer
58 views

Forward code.domain.com to specific server?

I have the classic Multiple Servers 1 IP trouble Except I am using ESXi (s1) to host to Server VMs (VM1, VM2). What I'm trying to accomplish is this: When Someone Goes to mydomain.com they get S1-VM1 ...
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46 views

Block IP Fragmentation attack using iptables

I am trying to stop all MF flag packet which has more fragment big set. because i have seen many IP Frag attack taking advantage of it. I know its not a good idea to do but, I have test my application ...
3
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1answer
94 views

What is the best way to keep a Linux server's hostname consistent?

We have a server with a CentOS distribution of Linux. It lost its hostname in the month somehow, since our last reboot. We ran an ETL (extract, transform, load) job last week, and part of that ...
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1answer
38 views

Allow all commands via sudo but nopasswd for specific commands [duplicate]

I want to make sudo configuration such that one user 'test' should have access to all commands,all hosts like root. But for specific commands like 'ls /root' password should not get promted. I'hv ...
0
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1answer
52 views

Directory Contents Not Listed When Connecting To CentOS 7 VSFTPD

OS: CentOS 7 with VSFTPD with firewall turned off for the moment Client: Filezilla VSFTPD Configuration Settings: Used [root@Turbo ~]# vi /etc/vsftpd/vsftpd.conf anonymous_enable=NO ...
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1answer
119 views

OpenVPN connects to the Server successfuly but no internet access

I want to setup an OpenVPN Server and after a week of trying day and night (no Linux Knowledge) I was able to successfully connect to the Server using OpenVPN GUI but now that I can Connect there is ...
1
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1answer
55 views

Python 26 pkg missing in CentOS 5

Getting following error while accessing :--- --> Missing Dependency: python26 is needed by package ambari-server-1.2.3.7-1.noarch (Updates-ambari-1.2.3.7) Error: Missing Dependency: python26 is ...
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2answers
232 views

Failed to join domain: failed to set machine kerberos encryption types: Insufficient access

did someone have this error when try to join CentOS 7 to Active Directory. I tried on a various ways(via cli, gui, tui) and always get same error. Failed to join domain: failed to set machine ...
3
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1answer
62 views

Adding reply-to header for simple postfix mailing list

I have a postfix with the following in /etc/postfix/main.cf: virtual_alias_domains = hash:/etc/postfix/mydomains virtual_alias_maps = hash:/etc/postfix/virtual These specify the domains set up for ...
0
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1answer
53 views

CentOS 7.1 - how to install gnome commander

I have CentOS 7.1 and cant install gnome Commander. I dont see it in the Software module as well as yum install gnome-commander does note see the package. I tried RPMs from ...
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0answers
59 views

Create CentOS-7.1 custom iso with upgraded kernel-4.2.6

I am trying to create CentOS-7.1 custom iso with kernel-4.2.6. But I am facing issues while installation. Please see attached image for details. I have followed below steps to prepare custom iso ...
1
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1answer
71 views

centos 7.1 - supervisord terminates if run with systemctl

So I have a weird problem and I've been banging my head for the entire day. I have a centos 7.1 with supervisord 3.2.0 installed. If I run the supervisor with systemctl, it runs and then it shuts down ...
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1answer
72 views

Persist ip route and ip rule configurations for Policy Based Routing (iproute2)

Currently running on Fedora Server 23, I've been searching for the right way to persist commands such as: ip route add default via 10.0.2.1 dev ens32 table EXAMPLE_TABLE ip rule add from 10.1.2.50 ...
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1answer
41 views

How to force repoquery to resolve to the latest available release of a package?

I am attempting to download RPM dependencies using repoquery and yumdownloader, but I am getting inconsistent results. How can I force repoquery to always return the latest compatible package that is ...
2
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0answers
16 views

how to build kernel-tools-4.2.xx.rpm and kernel-ltools-libs-4.2.xx.rpm

I am trying to upgrade Centos-7 kernel (kernel-3.10) to (Kernel-4.2.6) and for that I downloaded kernel from kernel.org and create rpm for the custom configuration (arch x86_64)using "make rpm". ...
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1answer
91 views

HPE Dynamic Smart Array B140i

I am pretty new in linux world and I want to buy a HP ProLiant ML110 Gen9 server with the raid controller HPE Dynamic Smart Array B140i. I read somewhere in forum, that linux does not support the ...
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0answers
39 views

Linux, LAMP, & Nagios server

as i'm somehow new in linux, and i'm required to install a monitoring system to our company using CentOS7 with LAMP & the monitoring Application NAGIOS. after installation everything goes well, ...
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0answers
35 views

VMWare Centos 7 partition Bad magic number error

I've inherited a VM image so not 100% sure how initial disks were set up. I've attempted to extend my image by 10Gb following some basic instructions & adding a partition but can't seem to commit ...
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24 views

How to rebuild a Centos base application iso?

I have a centos6.5 based application iso file which I want to change one of the RPM file and change some configuration in post kickstart file (there is a post kickstart file is in separate folder)and ...
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1answer
25 views

linux centos 7 - create delete accounts

I am running centos 7 as virtual machine through vmware, the default user was: unsername: osboxes.org password: osboxes.org I created new user (john), then removed osboxes.org along its home ...
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51 views

How come I can login to another person's session over vnc just by changing the port number?

I have a user account on a server administered by someone else. I don't have root access. The server is CentOS 7. I couldn't connect over vnc on the usual port I use, so I ssh'd into the server and ...
2
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0answers
31 views

How to keep remote directory up-to-date with local directory automatically?

Say, I have a directory A on my local machine and B on remote machine(Both are CentOS 7). I am using rsync to sync between them. But I want to track my changes on local directory and automatically ...
2
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1answer
33 views

After my system crashed and I run crash, but I get the following error: not a supported file format

My system crashed and even though I haven't been able to know what caused the crash after going through the usual logs: messages, dmesg, secure, etc. There's nothing valuable I have seen on them so I ...
0
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1answer
32 views

Home folder list from /etc/passwd, does not match what is in /home

I was looking at the list of created users in /etc/passwd. There are about 10 users, who show up like this in the list in /etc/passwd: user1:x:500:500::/home/user1:bin/bash ...
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1answer
49 views

Why doesn't my blockdev config change execute from rc.local on reboot

I am (probably obviously) a relatively new Linux user, so I'm already bracing for the barrage of "why aren't you doing it this way instead..." comments. I'd love to hear them...but I would also really ...
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1answer
36 views

Make spec file OS-version-specific

Ok, you may read the title and thought "this is nonsense" because a spec file IS by nature OS/Arch independant, but let me explain. The subpackage "yum-plugin-post-transaction-action" from yum-utils ...
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2answers
34 views

Centos 6.6 installation issue

I am trying to install CentOS on newly build server using USB key. I have downloaded the required DVD image (CentOS-6.6-i386-bin-DVD1.iso) from the Centos site. I have created the bootable USB key ...
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0answers
44 views

wondershaper limit my upload [closed]

i use wondershaer to limit downloads speed it is working fine for downloads but i can not upload anymore i have set wondershaper eth0 539800 539800 this is the config #!/bin/bash # Wonder ...
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60 views

yum error on centos 7 vm with proxy authentication

I have installed CentOS 7 in VirtualBox on my Windows 10 system. My Windows system uses a proxy to connect to the internet. I have set up proxy settings in CentOS, through network manager and I can ...
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0answers
23 views

Samba Share to Require Password Debugging

I've recently set up Samba on one of my CentOS 7 servers and it works fine, it allows anyone to access it as long as they are on the LAN. Now I need to set up a second share that can only be accessed ...
2
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2answers
36 views

Reference manuals for network configuration on Fedora/CentOS/RHEL?

Every time I need to configure a network interface on Fedora/CentOS/RHEL I need to access its online documentation to check which configs and values I should use in the ...
0
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1answer
57 views

logrotate doesn't respect rotate parameter

I've been having some trouble with logrotate, it seemingly does not do what I'm telling it to do. Environment: Centos 6.4 logrotate 3.7.8 My /etc/logrotate.conf file has the following: # rotate ...
1
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1answer
87 views

How do I get yum groupinstall to work without a groups install file?

I am using Centos 7.1 The yum groupinstall commands are failing. As root I did a yum group list command. This returned various output with the following: "There is no installed groups file." ...
2
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1answer
47 views

How can I see all journald entries in Centos 7?

From what I have learned, Centos 7 (by default) keeps log journal entries in memory only so these are lost when machine is rebooted. I'm comfortable with the fact that I can only see messages from ...
0
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1answer
25 views

Centos VM- Insufficient free space (0 extentes) - This is on root (/)

My df -h shows the following. When I use the command lvextend -L12G on this volume it says 1354 extents are needed. FileSystem Size Used Avail USe% Mounted On ...
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1answer
38 views

How do I find the libraries this program needs for its environment variable?

I am trying to set up the program NASAView, for viewing PDS files. The instructions say Set the LD_LIBRARY_PATH Environment Variable The LD_LIBRARY_PATH environment variable is used to ...
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0answers
74 views

sudo and su hang indefinitely… stumped

I am trying to run su or sudo on my CentOS 6.6 machine. Every time I try to execute either command, I get prompted for a password. After entering the password, the command simply hangs. I can ctrl+c ...
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0answers
21 views

have very recent packages in CentOS

Normally versions of packages available in CenOS and Ubunti repositories differ, Ubuntu tends to have the latest-greatest versions, while CentOS is more conservative. Is it possible to add some repos ...
1
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1answer
30 views

Installing wkhtmltopdf in CentOS 6 x64

I have downloaded the package like this wget https://wkhtmltopdf.googlecode.com/files/wkhtmltopdf-0.10.0_rc2-static-amd64.tar.bz2 but when I run the installation command tar -xvzf ...
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0answers
60 views

CentOs 7 - MobaXterm - X11 Forwarding per user

I am using MobaXTerm to connect to my CentOs 7 Server. I have set X11Forwarding yes in my /etc/ssh/sshd_config file. The root user is able to start the X11-Gui for example gedit. The other users ...
0
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1answer
45 views

Permission denied

I was trying to create and bootstrap an instance on openstack with chef using this command: sudo knife openstack server create -N jenkins_openstack -f 0eb9c50a-07b9-4fc1-aa33-f6bd66c6bc7b ...
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0answers
19 views

centmin mod setup Domain Nameserver

I install centmin mod on my VPS. (ex. IP VPS 49.49.49.49) then i select option (2) to Add Nginx vhost domain then i create 2 vhost mydomain1.com and mydomain2.com. add my domain panel, there's 3 ...
1
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1answer
76 views

gksu replacment

In the old days of CentOS 5 i had an application that run as another user. I created a .desktop file which run a command that looked like this: gksu -u anotheruser someapplication When the user ...
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2answers
26 views

Apache map a port to a public directory

I have this directory in a vm /www/app1 and I want to be able to go to http://192.168.1.1:7778 and go to that directory how do I configure that using CentOS 7 minimal install? I just went through ...