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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.

0
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0answers
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 ...
1
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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. ...
1
vote
1answer
3k views

How to use NFS mounted storage as particular user

I have a NFS storage where I want to create and modify files from my local machine. On that NFS server there is a user with a group. But when I write a file from some local application to that storage,...
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0answers
11 views
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1answer
46 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": ...
4
votes
2answers
3k views

what's the difference between /etc/init.d/sshd start and /usr/sbin/sshd?

I'm having issues with passwordless ssh. I've checked, double checked and checked again that I have everything set up correctly. Both machines are RHEL6 and when the destination machine first boots ...
-1
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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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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 ...
1
vote
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 ...
0
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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 ...
0
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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5answers
11k views

XRDP rejecting login

I am on a windows 7 computer trying to access to a RHEL7 system via windows remote desktop. Until today I (and others in my department) have been able to login to the RHEL machine using xrdp. Today ...
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1answer
3k views

Kernel 4.4.1-1 fails to boot - root volume “does not exist” - 3.10.0.327 and 4.3.3-1 both continue to boot fine

I'm trying to install and boot kernel-ml (currently 4.4.1-1) on RHEL 7.2 following the instructions here: http://linuxg.net/install-kernel-4-x-on-enterprise-linux-7-centos-7-and-rhel-7/ Install works ...
0
votes
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 ...
1
vote
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. ...
0
votes
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
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 ...
0
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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 ...
2
votes
1answer
120 views

Procedure for LUN assigning and scanning on LInux server with two HBA card each with two port

Need a brief overview of LUN assigning and scanning on Linux server with fibre channel switch. On the server there is 2 HBA card installed each with two ports. Below are the few queries: What are ...
2
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1answer
2k views

error: zlib library and headers are required R on HPC

System: Red Hat Enterprise Linux Server release 6.5 (Santiago) I’ve installed zlib 1.2.11 on the home folder of a Red Hat HPC as part of the process for installing R base 3.4.0. I get this error ...
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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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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
6k views

cannot open `' for reading: No such file or directory

I am trying to run .sh file on RH6 and getting this error... cannot open '' for reading: No such file or directory The script I am running is internally referencing other scripts, located in same ...
9
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3answers
6k views

How to configure linux to enforce new users to change their password on first login

I'm trying to configure users password policy on RHEL 6.6 and I want system to ask newly created users to change initial password on first login. Note, that I tried to set EXPIRE variable to 0 and ...
8
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2answers
9k views

How to extract RPM from RPM database on Red Hat Enterprise Linux

Is there a way to extract an installed RPM from an RPM database on Red Hat Enterprise Linux to reproduce the original .rpm file?
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3answers
4k views

How can I enable anonymous access to a Samba share under ADS security mode?

I'm trying to enable anonymous access to a single service in my Samba config. Authorized user access is working perfectly, but when I attempt a no-password connection, I get this message: Anonymous ...
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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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1answer
4k views

Differences in nc (netcat) options on Ubuntu vs RedHat

nc -q -1 local host ${PORT} ${CMD} In Ubuntu, nc may be used as above, with the -q option. See manpage. -q after EOF on stdin, wait the specified number of seconds and then quit. If seconds is ...
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4answers
4k views

install screen from source code

I tried to install the screen command on RedHat from source code. But when I run the configure, it returned configure: error: !!! no tgetent - no screen So does anyone know how to fix it?
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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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3answers
2k views

Red Hat Virtual Box: Network is unreachable

I installed a RHEL virtual machine with Virtual Box and I can't ping my host computer nor internet. I configured 2 adapters: Attached to NAT, promiscuous allow all and cable connected Atteched to ...
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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 <...
0
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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
4k views

Why does Oracle java not appear in the alternatives command on redhat 6.5?

I have redhat 6.5 x64 and java preinstalled on it. The command java - version shows: java version "1.7.0_45" OpenJDK Runtime Environment (rhel-2.4.3.3.el6-x86_64 u45-b15) OpenJDK 64-Bit Server VM (...
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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
86 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 ...
1
vote
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 ...
2
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4answers
22k views

RedHat Enterprise 6 and Windows 7 dual boot

I have currently Windows 7 running and installed on partition C. I have partition D empty , and I would like to install Red Hat on it without affecting Windows seven ( i.e., dual boot Windows 7 & ...
1
vote
1answer
1k views

How to check current active target in RHEL7 / CentOS 7

In RHEL 6 we can run runlevel to check current runlevel of my system. In RHEL 7 we have the command systemctl get-default to check default target but how to check current active target?
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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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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. ...
0
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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 ...
2
votes
1answer
180 views

How to install NPM / elasticsearch-head without Internet connection?

I am trying to install NPM on my machine without any Internet connection. Through some research on the Web I have come across suggestions to use npmbox. So I gave npmbox a try but when I try to bin/...
3
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1answer
867 views

Problems with using xdg-mime default. The default was successfully set but it is not used via xdg-open

Directories keep opening in Firefox when I use xdg-open. I do not want this. I did: xdg-mime default dolphin.desktop application/x-directory and xdg-mime default dolphin.desktop inode/directory ...