Questions tagged [redhat-enterprise-linux]

Use for questions about Red Hat Enterprise Linux (RHEL), a Linux distribution from Red Hat intended for enterprise use. Note there are version-specific RHEL tags for questions unique to a specific version. Use a product-specific tag for questions about other distros in the Red Hat family, like Fedora or CentOS.

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41 views

in Compat.php line 1946 : this is not implemented, as it is not possible to implement Argon2i with acceptable performance in pure-PHP

I'm triying to install Magento 2.4.2 open source on a Centos 8 server RHEL version but I have a little problem... I put the screenshot in attached files, thanks you for just ideas of search...
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What is BIOS EDD <version>, 0 devices found mean in /var/log/messages?

I keep seeing below messages in /var/log/messages on my Linux machine: BIOS EDD facility , 0 devices found My machine is working fine for now, but I really want to know what it is? When I googled it,...
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Is a rules file all that is needed to access a usb device in RHEL8?

I have a USB camera connected to the computer, and it had been working properly when it ran Debian - I just put a rules file in /etc/udev/rules.d/. Recently the OS was changed to RHEL8, and this no ...
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Red Hat not recognizing third monitor

I have a Dell Optiplex 3080 with an integrated graphics card display port and a 2 Display port GeForce GT 730. I plugged in all three monitors. The monitors that are plugged into the GeForce come up ...
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Multiple diskless machines PXE boot from iSCSI targets on single server

I am looking to use a single machine running RHEL 8 as a server that hands out iSCSI targets for 2-3 diskless machines to PXE Boot from. Currently, I have one working iSCSI target from which one of my ...
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systemd - service stops again right after starting up - podman

I created an unit file, with the following lines to start-up a podman container. Unfortunately, right after starting up, journalctl -xe tells me service not needed, shutting down, service shuts down. ...
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RHEL 7: Obtaining Extended Reboot History

Other than last reboot, how may I obtain the reboot history of a RHEL 7 host? last reboot is providing only two weeks of history. I need to go back much further. For example, may ausearch be used? If ...
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1answer
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How to install Open JRE in RHEL 8.3 without registration

When I try to install packages to RHEL 8.3, I see : Updating Subscription Management repositories. Unable to read consumer identity. This system is not registered to Red Hat Subscription Management. ...
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log entries missing in Redhat rsyslog

I'm using rsyslogd: version 8.1911.0-6.el8 on Redhat 8.3 and sending some udp/514 syslog info to the syslog-server, but only receiving entries like "May 17 14:48:23 servername product" in ...
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Xrdp cannot connect to Xvnc

I have a RedHat Enterprise 7 machine in AWS and I have Xvnc and Xrdp installed. Xvnc is set up password-protected, but without a username. If I use a VNC viewer (TurboVNC) I am able to connect to the ...
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right -click open terminal is Konsole not gnome-terminal in gnome desktop

I installed redhat enterprise linux 5.4. Now I login gnome desktop ,but when I open terminal by right-click mouser, A Konsole is opened ,not gnome-terminal. How to do if I want a gnome-terminal ...
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Local User Account and root User Logins Failing due to PAM and authselect

I originally wanted to enable "pam_faillock" feature as per CIS benchmark requirements. So, I followed the following article on Red Hat portal: https://access.redhat.com/solutions/6'2949 ...
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RHEL 7 LUKS Encryption with LUKS on LVM

A RHEL 7 system I work on has the following partitioning: NAME TYPE MOUNTPOINT sda disk |--sda1 part | |--rhel-root ...
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1answer
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rsync + failed on error with Bad file descriptor

usually we not have this issue so its very rare! but today we got the following error when we are using rsync to copy files . when files - pkg_gh are with 1-3G size the error is like this Warning: ...
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OpenShift oc rsh 2 Container

in oc I will connect to a container for short maintenance actions. But it's two container are within the pod dc/pod: container-db and container-xyz. So when I connect to dc/pod I connect to container-...
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Samba share running on RHEL server is only visible to Mac for a short period after starting the service

I have a home server running RHEL 8.3, with samba 4.12.3 and avahi services running and enabled. I'm attempting to use this share as a Time Machine server for my two Macs. I have the following smb....
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Running KDE Plasma 5 on multiple X Screens

I am looking to run KDE plasma 5 on multiple X Screens (:0.0, :0.1, :0.2, etc). My current set up is 2 displays on 2 separate X screens with nvidia drivers, but when plasma starts only :0.0 actually ...
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Schedule REAR backup is not executing on RedHat Server

I have been tasked to manage a Red Hat server that we have onsite. The Version is 7.3. I'm quite new to linux and its Terminal. The problem I ran to is that I scheduled a Rear mkbackuponly -v on ...
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Alternative of Cloudera 5 for RHEL 8.2

As Cloudera announced to have authentication (from Feb 2021) on their repository of RPM and source code https://archive.cloudera.com/p/cdh5/redhat/7/x86_64/cdh/5.15.0/. Now, I want to use Cloudera but ...
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RHEL8: locale vs localectl vs update-locale

This is on the updated RHEL8 server. I got the computer configured with non-english locale. The configuration seems to be consistent, e.g. 'dnf install' does not complain about anything. [root@rhel8 ~]...
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My Linux machine reboot everyday at 0:00 UTC but I never set that. What could cause this happen?

I have an EC2 instance and it auto reboots every day. There is a broadcast message in the terminal before rebooting, like the following: Broadcast message from root@ec2... (Sun 2021-03-28 00:01:50 UTC)...
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1answer
376 views

How to patch the OS under Red Hat satellite server

I am using Red hat Satellite 6.7 version. OS info: NAME="Red Hat Enterprise Linux Server" VERSION="7.8 (Maipo)" I Know how to patch systems using Red Hat Satellite server. But I do ...
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RHEL 7.9: While rebooting, systemd calls ExecStart, but not ExecStop

abc.service definition: [Unit] DefaultDependencies=no Description=ABC service RequiresMountsFor=/apps After=syslog.target network.target auditd.service dnsmasq.service Before=systemd-user-sessions....
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1answer
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Install VirtualBox Extension Pack in VM RHEL 8

VirtualBox is installed on my Windows 10 operating system. And I installed RHEL8 in VirtualBox. How can I configure VirtualBox's Extension Packs in virtual RHEL 8? Thank you to those who helped.
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1answer
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lp commands not displaying meaningful messages

We have CUPS 1.6.3. in 2 RHEL7 environments, A & B. On A, when we issue lpstat command we get list of active jobs. Man page says When run with no arguments, lpstat will list active jobs queued by ...
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What's RedHat integrity test?

The binary DVD *.isos for installing the Red Hat OS, which I downloaded from https://access.redhat.com/downloads/, I checked, has the same SHA-256 reported in the webpage. But when I boot the ...
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Revoke delete permission for particular user in linux

I have to revoke delete permission for particular user in Linux. I have tried ACL it worked but user is able to delete file winscp. My requirement is that user is not able to delete file from PUtty ...
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Increase Linux Filesystem by using another filesystem

I'm using Linux Redhat 8, and I have a Filesystem mounted on /dev/mapper/rootvg-rootlv which is almost full. Please see the df -h command: df -h Filesystem Size Used Avail Use% ...
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1answer
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How do I block Port 25 on RedHat 6.4

I need to block port 25 on Rehat 6.4 as Postfix smtpd is using it. I have tried to disable it in the IPtables, but if i do a port scan I can still see the port as open along with port 22 which is fine....
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19 views

Linux create a new user that shares everything of another user

A little background first, since I know this question seems very random. I am using vagrant to help orchestrate a RedHat virtual machine. Vagrant is great in just about every way, however it forces ...
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2answers
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Disable FTP protocol in FileZilla

I'm running RHEL 7 and FileZilla 3.10.1.1. We have been instructed to remove all insecure protocols from our system. FileZilla has the ability to SFTP, FTP (unsecure) and FTP over TLS. Q: How can I ...
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1answer
72 views

Restart Mysql in RHEL 7

I am trying to restart Mysql in RHEL7 Here are the packages installed: ]$ yum list installed | grep mysql rh-mysql57-lz4.x86_64 r131-7.el7 @rhel-server-rhscl-7-rpms rh-mysql57-...
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How to run fsck on /etc

It seems that a part of my filesystem is corrupted. vm-rhel7:/home/robert# dir /etc/selinux/targeted/active/modules/100/rhsmcertd ls: cannot access /etc/selinux/targeted/active/modules/100/rhsmcertd: ...
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1answer
20 views

Internet connection on redhat 8 in vmware

When I select DHCP then I can browse Internet but when I manually set IP address I can not browse on my vmware workstation. How can I configure my laptop & VMware workstation to browse internet ...
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Disk latency after upgrade Linux 6 to 7

Using Oracle Rack on 2 nodes, After upgrade Linux 6 to 7, I can see a noticeable increase in the Disk Latency metric on both nodes of the DB server, any idea of what parameter or setting I have to set?...
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24 views

Rsync million files between folders and keep in sync

I have one directory with 30 folders and some 1 million files. I need to keep them in sync. Initial run took 8 hrs but thats no issue in the second run , it takes 20 mins to build the file list even ...
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105 views

openibd.service is failed on particular node

Please find the "openibd.service" status. [compute-5 ~]$ sudo systemctl status openibd.service ● openibd.service - openibd - configure Mellanox devices Loaded: loaded (/usr/lib/systemd/...
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19 views

Edit a RHEL/CentOS kickstart file prior to booting?

I have a CentOS 7 installation boot disk that has been modified with a custom Kickstart file. The intent is to use this disk for unattended installations of the OS. I've found that on a particular ...
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58 views

Add Bidirectional Forwarding Detection to RHEL/CentOS 7?

I have two RHEL 7 VMs that are being used as routers. They're setup in a redundant manner using the VRRP protocol, provided by the Keepalived (version 2.0.20) package. They're also running the Quagga (...
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1answer
34 views

Updating yum package does not install minimal version of required package

Installing pkg-a which Requires: pkg-common >= 1.1.0 does not update existing installed package pkg-common which is as version 1.0.0. pkg-a Spec Name: pkg-a Version: 2.3.4 Requires: pkg-common ...
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30 views

get files from multiple hosts into single host using shell script

I've .parquet files for multiple dates (from 20190927 to 20200131) inside /data/pg/export/schema.table_YYYYMMDD<random alphanumric string> directory structure in seven different nodes. When ...
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11 views

RHEL 6, GNOME 2: Remove “Lock Screen” and “Quit” Menu Items

In Red Hat Enterprise Linux, which uses GNOME 2, is it possible to use gconftool-2 to remove the "Lock Screen" and "Quit" menu options for my user (and only my user)? None of the ...
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2answers
119 views

A Linux command that will display all files in a directory that: begin with FSDES, are larger than 16kb, were added within the last week(7days)?

Looking for a Linux(Red Hat: Version 7.9 Maipo) command that will display all files in a directory that: Begin with FSDES Are larger than 16kb Were added within the last week(7days) Thank you.
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33 views

What's the best/easiest way to create a usb connection from Windows to Linux

I'm wondering what's the best way for me to setup a usb connection from Windows to a remote linux servers (Redhat)? I did some Googling and found socat but that was for Linux to Linux, any ideas? My ...
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19 views

During Vagrant provisioning, the system stalls

During my Vagrant Up process, many tasks run in succession and all does work, however at the end I have a validation test that stalls. The only way I can end the stall is logging into the machine ...
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17 views

GNOME 3: Set Immutable Per-User dconf Key Values

I am using GNOME 3 under RHEL 7. The Red Hat Enterprise Linux 7 Desktop Migration and Administration Guide states that: dconf allows system administrators and users several levels of control over ...
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1answer
9 views

Permit RPM to install file over other RPM's file?

I know, "bad practice". In this case, suppose 2 RPMs which define which things should be installed onto a given server. RPM 1 wants to install config.json and RPM 2 wants to install it as ...
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1answer
74 views

Free space on disk is not available

I used parted to extend my disk as I would do normally and it appeared successful showing the new 140GB disk. Model: VMware Virtual disk (scsi) Disk /dev/sda: 140GB Sector size (logical/physical): ...
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1answer
55 views

Redhat Linux DM-0 reported xfs in memory data corruption after it is cloned to run on another machine

I have Redhat Linux system running HA, with DRBD, and logical Raiding enabled on 4 drives. Namely sda/sdb/sdc/sdd. sda/sdb are the HA drives with XFS. sdc/sdd are the OS drives with XFS. I cloned the ...
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32 views

How to disable auto-logout in red hat 6.5?

After a period of inactivity of about 5 minutes, the OS logs me out (I am using a virtual machine) and I have to login with the password back again. How can I disable this auto-logout option? I tried ...

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