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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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7 views

Can't access to configuration files at session start on Gnome

I have troubles accessing to my gnome session. I work on a Linux machine with red hat & gnome, and when I want to open my session, I get the error: An error occurred while loading or saving ...
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1answer
17 views

Using Plink.exe to remotely logon to remote RedHat Linux server to run local Perl script

Long time member, first time poster. I have researched this issue thoroughly but I have not found a solution to this particular issue. I work in a NOC and I am responsible for monitoring servers. ...
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0answers
11 views

Read Linux Environment Variables with Angular [closed]

How can you use angular to read a Linux system environment variables?
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0answers
15 views

How to update make version to 3.82 to Oracle Linux Server release 6.6

I am trying to update my make version on how to update make version to 3.82 to Oracle Linux Server release 6.6?I really couldn't find anything concrete on the web, any pointers?
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1answer
14 views

ansible playbook when condition for replay

is there any option for the replay the play in the playbook? I want to write ansible playbook like below. I want to run play2 if any error in the play1_result and after running play1 if play2 is a ...
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2answers
24 views

Cannot install hexbin library R on AWS instance

I am working on a project that uses the package plotly in R. When I tried installing plotly, hexbin (a dependency) would not compile, because it could not find the gfortran .so libraries. I have ...
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1answer
47 views

How to install postgresql-contrib-11 on CentOS 7?

So, I was trying to install extension citext on PostrgeSQL 11.1, but of course I've encountered an error: ERROR: could not open extension control file "/usr/pgsql-11/share/extension/citext.control": ...
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1answer
23 views

iostat + how to solve latency on disks

we use iostat -x and check for the await column - per device it shows the total time spent waiting plus the actual handling of the request by the disk iostat -yzx 5 Device: rrqm/s wrqm/s ...
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0answers
6 views

RUNPATH seemingly ignored by Python 3 on RHEL 7.4

I built TensorFlow 1.12 from source using Bazel 15.0, Python 3.6.5, and GCC 7.3.0. It seems to work properly, but that when I import pandas before importing tensorflow it uses /lib64/libstdc++.so.6, ...
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0answers
27 views

Network teaming configuration

How to configure the teaming network? On our redhat machines we configured as the following the teaming network On each machine we have two links - ens1f5 and ens1f6 And we add the team0 file to ...
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0answers
17 views

How to extend the root file system on Red Hat Enterprise Linux 7.4?

I have a hard disk /dev/sda which space is 20 GB and it has 2 regular partitions (not lvm): / and /boot. The / is 19.5 GB and /boot is .5 GB. I need to extend the / file system to be 50 GB and I have ...
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0answers
21 views

InfiniBand config and route in redhat

I have a system (HPC) have 1 headnode (192.168.2.2) 10 node and (192.168.245-254) 1 NFS server (192.168.2.244). I have a issue My headnode can't ping to NFS server but from NFS server I can ping to ...
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0answers
19 views

Switch php version on Cloud (Redhat? Centos?)

I'm confused about my cloud VPS. With cat /proc/version I got: Linux version 2.6.32-754.6.3.el6.x86_64 (mockbuild@x86-01.bsys.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-23) (GCC) ) #1 SMP ...
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1answer
25 views

Network teaming VS bonding configuration

as I am understanding we can set on Linux configuration BONDING or network teaming both approach support LAN fail over for example if on the server we have the following up link eth1 eth2 in ...
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1answer
68 views

CIFS mount from fstab not working

This method used to work with RHEL 5, and 6, so I used to just add this Line in /etc/fstab: \\192.168.1.50\V$ /mnt/N cifs user,uid=500,rw,suid,username=Administrator,password=password 0 ...
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votes
2answers
137 views

cant install google-chrome on amazon red hat server

I am trying to install google-chrome on Amazon server NAME="Amazon Linux AMI" VERSION="2018.03" ID="amzn" ID_LIKE="rhel fedora" VERSION_ID="2018.03" PRETTY_NAME="Amazon Linux AMI 2018.03" ANSI_COLOR=...
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0answers
37 views

Virtual Box VMs Ubuntu and RedHat cannot access shared folders

Info: 1- I am running Fedora 29 as a host. 2- I have VirtualBox 5.2.22. 3- I have Ubuntu LTS 18.4 VM and RedHatEnterpriseLinuxServer 7. 4- All my VMs have the appropriate version of guest additions ...
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1answer
24 views

Need help to set up home server - client network (RedHat 7)

I have very basic knowledge on networking. I recently purchased a Dell server to do my own development work. I have installed a RedHat Linux server. I am trying to set up a local server client set up. ...
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votes
1answer
29 views

Install VSFTPD SERVER in Red Hat 2.6.32-754.3.5.el6.x86_64

I want to install VSFTPD SERVER in Red Hat 2.6.32-754.3.5.el6.x86_64 (the FTP server for Unix-like systems, including Linux) so I did this: [root@teatre ~]# yum install vsftpd Loaded plugins: ...
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0answers
16 views

How to start SSH in RHEL 6.3 rescue mode

I had a server crash on me, and i'm using Rhel 6.3 rescue mode from a USB. I was able to boot into rescue mode which gives me what looks like anaconda shell: [anaconda root@localhost /]# when I ...
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0answers
22 views

Red Hat Enterprise Linux 7.5 will not show login screen during boot up process

I am trying to boot up my RTD Linux computer and when it reaches the login screen there are no buttons or textboxes on the screen. The screen is blank except for the login screen background texture, ...
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1answer
22 views

Dose rpms that ended with .i386 can fit also for linux 64Bit

we have linux redhat 7.3 [root@master install_zone]# uname -r 3.10.0-327.el7.x86_64 [root@master install_zone]# uname -a Linux master.sys65.com 3.10.0-327.el7.x86_64 #1 SMP Thu Oct 29 17:29:29 EDT ...
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0answers
11 views

<control><shift><Print Screen> stopped selecting a screen area

On RedHat 7.5, pressing controlshiftPrint Screen stopped selecting an area of the screen, namely - the cursor does not change into a + to allow selecting. I can still screen-capture using <...
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1answer
42 views

How to identify the health of the new disks after installing new OS

We want to create some sanity about the health check of the disks. For example, we installed around 50 Linux Red Hat machines (Red Hat version 7.2). Each machine have around 7 disks (disks can be ...
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1answer
39 views

How can I audit su access through pam.d in RHEL 7

I am a system auditor with very limited knowledge of Linux OS. I am currently auditing a RHEL 7 server and found out that a group of users are authenticating through LDAP and using 'su' through PAM. I'...
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1answer
87 views

Cannot expand guest screen size

I apologize if this is a redundant question, but I have tried various suggested solution to increase the guest screen size with no luck. Guest Additions compiled and installed without any error, and ...
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0answers
28 views

RedHat: chroot user to subfolder with a different user chroot'd to the parent folder

I have a RedHat server with SFTP enabled and a few accounts, this server is currently being accessed by an application to read the user's respective files, they do not have Write access. The server is ...
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0answers
11 views

Get disk usage from redhat 7 using on built in commands

I need be able to see what is writing to the disk at a certain time. There is no internet access to the servers nor available repos on the network. I have been playing with du however looking for a ...
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0answers
35 views

Overscanning on monitor (no root access) RHEL 6

Is there a way to get rid of overscanning on a monitor without using non-default software or needing to have root access? This is for a computer I use at work and find the overscanning quite annoying. ...
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1answer
84 views

to hide password from the output

I'm passing the password to my sudo in ansible playbook like: echo <password> | sudo -S su - <username> It's working fine. But the problem here is in my output the password is visible. ...
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1answer
50 views

is it possible to deploy a Local iso file to a hard drive on a remote machine

so I've got an iso that I created and it is roughly 197gb. I compressed the file into an iso.gz and saved it to my local machine. I now would like to try to deploying this iso to a remote box. now for ...
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1answer
67 views

Integrate AD with RHEL

Is there any way that RHEL can be integrated with the Active Directory. Currently running the below from the Powershell ISE with RemoteAdmin Tools installed on windows. Get-ADUser -Server AD.com -...
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0answers
19 views

ReadOnly Access for members of Active Directory Group

I have a Linux host that runs on CentOS 7, joined to domain through realm. My goal is to provide ReadOnly access to one of the AD groups say "LinuxRO-USR", the users of this group should only be able ...
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1answer
432 views

VirtualBox GuestAdditions 5.2.18 installation failure in RHEL7.5

I'm hitting the following issue when trying to install VirtualBox GuestAdditions 5.2.18 on my RHEL7.5 guest image (my host machine is on Windows 10): Copying additional modules ... Installing ...
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0answers
52 views

NRPE Service Fails to Restart on Redhat

Whenever I try to restart/start my nrpe service on client machine, the following error shows up: Failed at step EXEC spawning /usr/lib/systemd/system/nrpe.service: Exec format error Can anyone ...
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1answer
67 views

Yum install dependencies on RHEL

Trying to install openssl-devel for keepalived-1.4.5 on RHEL7.4. after sudo yum install openssl-devel I'm getting ...<Processing Dependencies> Finished Dependency Resolution Error: Package ...
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1answer
29 views

Keytabs generation issue

I have troubles while creating keytabs for user. Keytabs are working only when I have rc4-hmac encryption enabled [root@host ~]# klist -kte test_user.keytab_rc4 Keytab name: FILE:test_user....
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1answer
203 views

How to connect AWS ec2 Windows instance in Putty?

I have created a AWS Windows Ec2 instance, I can able to connect to the remote windows machine by using .rdb file, everything works fine. Now I need to connect a windows server by using putty. Let me ...
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0answers
58 views

Syntax highlighting for PowerShell on Linux?

With PowerShell on Linux (pwsh), is there a way to get syntax highlighting on the console in the same way that it works by default in the Windows console?
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0answers
14 views

CUPS on RHEL: Duplicate One Printer's Config (not all of cups cfgs) to Add Identical Printers With Same Configuration

I am just looking to take the settings of one printer (intermec px4i) and clone them(only editing hostname and addr.) or make some sort of template so i can add the rest of the px4i's on our network. ...
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0answers
21 views

Redundant stream source being transcoded to single output

Currently using 2 redundant streaming devices that require two separate IP addresses (virtual IP is not an option). I stream to another server at input RTP x.x.x.1:5004 (streaming device 1, primary) ...
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1answer
37 views

Create user with password and without ssh key on redhat

I have a very simple question, I have created an instance with aws AMI. I can log into it using my key. But I want to login using a username and password. useradd username -p password This has ...
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1answer
45 views

What the most similar OS to RED HAT ENTERPRISE LINUX 5.3

I should have a test in a few days on RED HAT ENTERPRISE LINUX 5.3 OS. I will need to ping from one machine to another, to use FTP etc.. Since It's for my personal use and I'm not a company I can't ...
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0answers
6 views

Oracle SQL developer column names don't save

Using Oracle SQL developer on Amazon Linux with a remote cloud DB server. When I create new tables, only the first column name saves. All the column metadata (data type, nullable, etc.) do save for ...
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1answer
201 views

How to run .exe file in LINUX env using putty? [Offline]

Am looking for solution to run .exe. file inside my LINUX server which has no internet access. I can't install WINE package to run the file. I am unable to find an offline package for WINE to be file ...
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0answers
24 views

New gcc vs. older valgrind

I'm working on a RHEL6 system with a software project, that requires C++11. This requirement forces me forgo the base compiler included with the OS (gcc-4.4.7) and use a manually-built one (gcc-8.2.0)....
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1answer
148 views

How to give crontab access to domain user?

I'm working on a RedHat 7.3 server and a user needs access to crontab. However this user is a domain user (ex. test@[domain]). So the user doesn't show up in the /etc/passwd file. I already tried to ...
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1answer
42 views

configuring permission of directory in Linux

How to configure Permission of a directory that i created in / named as ENTRY such that who create contents in that directory can only modify that contents. I am using RHEL 7
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1answer
253 views

Passing Multiple Password through SSHPASS

I have 3 Linux system. System_A System_B System_C I want to copy a file from "System_B" to "System_C", while being logged in from system System_A. Below code copies the file from "System_A" to "...
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1answer
50 views

one valid linux group missing in /etc/group but can be found in getent group

One weird problem. I'm trying to add one user(say myuser) to a group (linuxadmins), but get following error. sudo usermod -a -G linuxadmins myuser usermod: group 'linuxadmins' does not exist Then I ...