Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
Join us in building a kind, collaborative learning community via our updated Code of Conduct.

Questions tagged [redhat]

Red Hat is an open source technology solutions provider with offerings including Red Hat Enterprise Linux, open source applications, security and systems management, virtualization, Services Oriented Architecture (SOA) solutions, server and desktop operating systems, Java application software and ...

1
vote
1answer
23 views

RedHat: MultipathPackage Compatibility

I have an old RedHat5 server I can't upgrade the OS and new san XtremeI/O storage EMC recommended to install device-mapper-multipath 0.4.9-72 as a native multipath package.But the only available ...
0
votes
0answers
20 views

Send mail via cronjob/php, RHEL

I am trying to send an e-mail by a cronjob using a php script. The script itself works fine when executed in a shell. When it is run by cron, the attachment is missing. OS is RHEL 7 Cron entry : 30 ...
-1
votes
0answers
20 views

RHEL 7: record all sftp activity from a specific user only

I am trying to configure the rsyslog to record all the sftp activity from a specific user. At the moment, the sftp activity is recorded from all users that use this protocol. cat /etc/rsyslog.conf |...
0
votes
1answer
28 views

Can we install a Kubernetes cluster on RHEL atomic hosts?

We want to install an on premise Kubernetes cluster. We have a license for RHEL and RHEL atomic. I know Red Hat has its own Kubernetes based platform called OpenShift. OpenShift can be installed on ...
0
votes
0answers
13 views

INotify: Treatment of bulk moves vs. individual files

Our environment is making use of inotify events for the purpose of triggering file transfers, but with our lab being a closed environment it is difficult to replicate inbound streaming file writes. ...
1
vote
1answer
21 views

mod_proxy for apache/redhat not working

We have the following scenario: First APP: http://example.com:8090/access/app1 Second APP: http://example.com:8090/access/app2 We want to configure apache mod_proxy to assign: http://app1.example....
0
votes
0answers
16 views

How to reset permission for the whole file system? [duplicate]

I made a typo chmod -R 777 / is there a solution of the only one backup data and reinstall the server.
0
votes
0answers
16 views

Apache test page, instead of Django app showing up after server is started

I have an app on EC2 that I start up by ssh'ing into the VM, activating the env and then running manage.py runserver. The Django app starts without any errors on 127.0.0.1:8000. The server files ...
0
votes
1answer
15 views

How to create a raw device as a file in the filesystem?

I have heard there is a way to create a file in a filesystem which will can be configured as a raw device? Does anyone know the commands for doing that?
0
votes
0answers
59 views

NDJBDNS setup on Centos - Dig @127.0.0.1 times out

I'm in the process of replacing an old Gentoo DNS setup (running DJBDNS) with a CentOS 7 one, and have decided to go with NDJBDNS since it appears to be the most modern implementation of TinyDNS. ...
0
votes
0answers
51 views

yum --disableexcludes=main not working in RHEL 7.5?

On my RHEL 7.5 host, I've excluded kernel updates on /etc/yum.conf When I attempt a yum update with --disableexcludes=main, the exclude is not disabled. Only --disableexcludes=all seems to work. ...
1
vote
1answer
42 views

Docker EE 2.0 - Supported OSes

I am unable to figure out what are the supported RHEL versions for Docker EE 2.0. This article (Compatibility matrix) states that RHEL versions 7.3-7.5 are supported. However the article - Docker ...
1
vote
0answers
37 views

SFTP chroot jail on Centos system with Active Directory integration

I am trying to set up a SFTP chroot jail environment on one of our Centos, which is integrated with Active Directory for user authentication (set up with Realmd/oddjob). I would like to chroot each ...
0
votes
0answers
20 views

Failed to start FreeIPA pki-tomcatd Service

Not able to start pki-tomcatd on FreeIPA server Command Output [root@ipa01]# ipactl status Directory Service: RUNNING krb5kdc Service: RUNNING kadmin Service: RUNNING httpd Service: RUNNING ipa-...
-1
votes
1answer
31 views

Force a specific user or application to user a specific java version

Bear with me, I'm new to sysadmin stuff. We have a server running RHEL 6 (2.6.32). We have a Pentaho application that interacts with the server as a pentaho user, and we have a team user under whose ...
0
votes
0answers
16 views

yum update errata up to specific version

I need to update a server up to a specific errata version. I know that the below command will always update to the latest version. yum --security update-minimal I need a way to specify up to what ...
0
votes
0answers
20 views

Using keepalived in two subnets - Or alternative

I want to create a failover cluster with two redhat machines using keepalived. Unfortunately the two members of the cluster will be hosted on different locations with different IP-subnets (10.1.x.x on ...
1
vote
1answer
76 views

unkown cause for systemd failure state - systemd-logind cannot start org.freedesktop.systemd1 after server reboot

Basic information Red Hat Enterprise Linux Server release 7.4 (Maipo) component: systemd Hardware: x86_64 Linux [root@scvberpat01 log]# uname -r 3.10.0-693.21.1.el7.x86_64 General description ...
0
votes
1answer
48 views

what is the difference between /etc/issue.net and /etc/issue

What are their purpose as they have the same content ? [me@myserver ~]$ cat /etc/issue Red Hat Enterprise Linux Server release 6.10 (Santiago) Kernel \r on an \m [me@myserver ~]$ cat /etc/issue.net ...
0
votes
1answer
38 views

Do we need to reboot RHEL Servers, after making changes for control-alt-delete override?

We are planning on disabling the RHEL Server reboot triggered by control-alt-delete. for which we are going to follow the Steps mentioned here. However, that link does not say whether we need to ...
1
vote
0answers
55 views

Unable to install plugins on Jenkins server

When I try to install any plugin on my Jenkins server, I get below error in the browser. I can see the list of Available plugins. Error occurs when I select any plugin and click on Install without ...
0
votes
0answers
69 views

Is the configuration I want possible? Problems with SSH to Redhat server using google authentication 2fa

I'm attempting to configure two factor authentication when using SSH to connect to my redhat ec2 instance. I would like to configure it like this: If user has both ssh key and google auth set up, ...
0
votes
3answers
88 views

hp dl380p gen 8 bios

Sorry if this is a stupid question, but I'm not use to enterprise hardware. I have the job of patching one of our servers while our main person is out. I patched it, but the server wouldn't boot ...
0
votes
1answer
15 views

Kernel upgrade and Oracle prerequisites error

I am upgrading kernel (Red Hat) from 6.7 to 6.9 with Amazon AMI and when I am installing Oracle through puppet I am getting this pre-requisite error. Error: Execution of '/usr/bin/yum -d 0 -e 0 -y ...
1
vote
0answers
99 views

how to export all FreeIPA users list to a csv format?

How can export all FreeIPA users to a csv file?
0
votes
1answer
80 views

firewalld stop outgoing traffic to a particular ip address

I have centos 7. I'm trying to stop all outbound traffic from a server to a specific ip address, but firewalld is not blocking the traffic. Here's what I did: [root@server network-scripts]# firewall-...
0
votes
0answers
37 views

MSSQL Integration RHEL with Apache 2 and PHP Version 7.0.30

This was working correctly until my client decided to yum update everything without asking me. I've installed sqlsrv.so and pdo_sqlsrv.so to /etc/php.d/ PHP -m shows both modules loaded as does ...
0
votes
0answers
69 views

Java web app runs slow only on production server

I have a web app I built that has 1 page that loads very slowly only on my production server (RHEL). My local dev (Windows) and test server (Ubuntu) are no where near as powerful but this particular ...
0
votes
0answers
18 views

Snoopy Logging unneccessary commands

I have been using snoopy in my testing environment , i am facing issues with snoopy logging unnecessary logs are also logged in snoopy.log i have tried multiple filtering patterns but nothing worked ...
0
votes
0answers
14 views

grubby - remove one of multiple existing args

I got the following Problem: To boot my RHEL7.5, i have the following arguments in my /etc/grub2.cfg: index=0 kernel=/boot/vmlinuz-3.10.0-862.el7.x86_64 args="[...]rd.lvm.lv=system/lv_root rd.lvm....
0
votes
0answers
20 views

Extract public and private keys from JBOSS

Our sysadmin is requiring that I provide the with the public and private key for a standalone Jboss sever. I find a file "keystore" in wildfly-10.1.0.Final/standalone/configuration Using [...
0
votes
1answer
44 views

RHEL 7.5 Cannot Yum install from text file [duplicate]

I cannot figure out why installing packages listed in a text file with Yum wouldn't work but for some reason it does not. Yum cycles through all the listed package names and and lists them as ...
0
votes
0answers
53 views

Couldn't chown to remote NAS box

I have a NAS drive connected to one of my servers w/NFSv3. The problem is, a while ago some of the numeric UID's have changed on the system and those users are no longer able to access their files on ...
1
vote
1answer
74 views

RabbitMQ: start_app always fails, service restart is OK?

Apologies if this is a stupid question, first week on MQ and I've been thrown in at the deep end. MQVersion is 3.7.6, the OS is Redhat 7.4 (Maipo) and Erlang is 9.3.2 We have 2 RabbitMQ servers in a ...
1
vote
2answers
205 views

What is the difference between mod_nss and mod_ssl?

I am setting up an apache subversion server to use secure certificates for kerberos authentication with an AD domain. I have successfully got it to work with mod_ssl with ssl.conf config below, but ...
1
vote
1answer
73 views

Linux allows mysql login from root but not from another linux user account

So, I have two user accounts on a BlueHost owned webserver. Let's call them "root" and "user1". When I login to my root linux account, I then try to login to mysql on the "root" mysql account. I then ...
1
vote
1answer
65 views

Tell yum to install the exact version of my package dependencies

I'd like to install a package named pA. Package pA-1.0.0-0 depends on package pB-1.0.0-0. On a yum repository, one can find both pB-1.0.0-0 and pB-1.1.0-0. Package pA-1.0.0-0 is not compatible with ...
0
votes
0answers
14 views

vsftpd on rhel 7.4 disallowing write & modify

I've successfully installed & configured vsftp. I've created a user & companion group. My user can create, update, & delete files in it's 'home' directory without error WHEN logged in via ...
0
votes
0answers
141 views

Connection closed by UNKNOWN port 65535 when SSH using AD Creds on RHEL Machine

Recently I installed PAM & all the necessary packages needed to enable ssh authentication via AD on my RHEL 7.5 machines. When I try to SSH using "ssh user@domainname@hostname" it asks for my ...
0
votes
1answer
35 views

fork: Resource temporarily unavailable due to tomcat java process

We are using Red Hat Enterprise Linux Server 7.4 (Maipo) and tomcat 8.5.30 . While accessing website the process count is increasing for java process rapidly and it reaches up to the extend where the ...
0
votes
0answers
25 views

Importing KVM image files (vda drives) as Xen image files (xdva drives)

The other way to title above question was to say KVM to Xen migration. However I wanted to avoid duplicating KVM to Xen migration which seems pretty old. Let me describe my problem. I am running ...
0
votes
0answers
57 views

GLIBC 2.14 installation error: forced unwind support is required - RHEL 7.5

I have upgraded my RHEL OS from 6.7 to 7.5. After upgrading, I found some issues when trying to run yum. Below are the details. # yum repolist There was a problem importing one of the Python modules ...
0
votes
2answers
54 views

How to deny access for specific user to parent directory in Linux?

Goal: I would like to create directory rights so that specific manager user is able to access everything on /data and its child folders, but employees is able to access only Employee folder. This is ...
0
votes
0answers
29 views

Login to CentOS SFTP is succesful, but login to Redhat SFTP fails with Broken Pipe

Goal: My goal is to create SFTP Server to Redhat linux and let external users to upload files to SFTP with limited rights to other part of Linux Server. I'm failing with this and I would need advice....
0
votes
0answers
33 views

Iptables - Routing is happening before OUTPUT Chain when it involves loopback traffic

I am implementing a High Availability (HA) service with keepalived (VRRP). This HA is supposed to work only for the application running on port 443, so we are not failing over the whole server, ...
0
votes
0answers
25 views

nginx - Redirect POST as URL param

I'm reveiving POST data (raw text) on URL A. How to redirect it in nginx to be sent to another URL as param (probably with base64)? eg. example.com?param=$POST_DATA I need to sent this data to client-...
0
votes
1answer
31 views

Azure says it can't replicate Linux VM because that version is unsupported

When I try to replicate any of our Linux servers running Red Hat Enterprise Linux Server release 5.7 into Azure, replication fails with the following error message. Provider error message: ...
1
vote
1answer
30 views

OpenSCAP with external resources on a device with no external networking

I am attempting to scan a virtual machine generated off of a RHEL7 kickstart with some in-house configuration. Since the machine in question is still in testing, it's not yet authorized to connect out ...
0
votes
0answers
19 views

Apache https to http redirect

I am trying to route https traffic through another server that has a tomcat server. Before i was just using http and was working fine. My conf reads <VirtualHost *:443> ProxyRequests on ...
0
votes
0answers
73 views

Redhat repository server packages auto check and update

I have Redhat repository server in my network. Now just realized that my repo packages are not up to date and security updates are old too. Is there any way to download latest packages/version to ...