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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.

2
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1answer
717 views

What can trigger a SIGPWR signal that interrupts a 'sendmsg' system call?

On a RHEL 6 host, I have a Cassandra server listening for TCP connections on localhost. In parallel, I have a client application that sends it requests. The client (C# Mono) uses sendmsg to send the ...
0
votes
1answer
1k views

gnome desktop is not working

Gnome desktop is not working for my redhat PC. The version of gnome desktop3 is 3.14.2-2.el7. When I exec ps -A | grep gnome, it returns 2384 ? 00:00:00 gnome-session 2420 ? 00:00:00 ...
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2answers
10k views

Perl script can't locate Env.pm in @INC

I am trying to run a Perl script that, near the beginning, has use Env '$Foo1', '$Foo2'; I am getting the following message: Can't locate Env.pm in @INC (@INC contains: /usr/local/lib64/perl5 /...
0
votes
1answer
186 views

How to use globstar on bash older than v4

We use this command to run all tests using mocha: mocha ./src/test/**/*.js --recursive Notice the double **. It works fine on any modern bash, except on the CI system which is a RedHat with GNU bash, ...
0
votes
1answer
555 views

rsync does not work correctly inside crontab

I am trying to maintain a copy of a bunch of files from a remote server in my server, and to do that every 15 minutes I want to bring to my server the files that have changed in the last 15 minutes (...
0
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0answers
67 views

Is there a way to monitor email volume from terminal?

Is there a way that I can monitor email activity and volume of sending right from terminal? What I am thinking of is something like htop - but for email activity. My googling has left me empty ...
0
votes
1answer
26 views

VM forced to only look on local network

I'm running a RedHat 6.7 image on VBox. The previous configurations are forcing it to run requests through a gateway VM, which I don't have access to. Basically, when I try to install something, it ...
0
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0answers
57 views

Linux to Windows File Attributes

I need to move files from Linux File Server (RHEL 5.5) to Windows 2012r2 and maintain timestamp and owner? Is this possible?
0
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0answers
291 views

All my efforts to install VLC on RHEL 7 are futile

I have tried to install VLC on my RHEL Server 7 in many ways. At the end the final result is failure. I am a newbie to Linux but this is really a problem. Can anyone tell me what to do?
1
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0answers
72 views

Using variables in the mount ntfs-3g command

When I'm not using variables, this works: sudo mount -t ntfs-3g /dev/sdc1 /mydirectory/tools When I wan to put the partition name and a directory path name in the variable: diskName="/dev/sdc1" ...
2
votes
1answer
115 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 ...
1
vote
0answers
21 views

Linux Redhat 7.1 UDP requests displaying in command line

I'm unfamiliar with Linux server administration and I am trying to disable firewall log messages appearing in the console, the version of Linux is RedHat Enterprise 7.1. I would like to know a command ...
0
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0answers
165 views

Error while bootstrapping cmake

Here's the error I get when running ./bootstrap --------------------------------------------- CMake 3.6.1, Copyright 2000-2016 Kitware, Inc. --------------------------------------------- Error when ...
0
votes
3answers
169 views

Enable confirmation for rm command with force flag

Is there any option to enable confirmation for the rm -rf . We had an alias setup for rm=rm -i so whenever we delete a file it asks for confirmation but when -f flag is supplied it will not asks for ...
1
vote
1answer
984 views

systemctl isolate - what's the reasoning behind the word “isolate”?

I don't find systemctl isolate a very easy set of commands to remember. What's the reasoning behind the use of the word isolate for switching between the older, but what I found a lot more user-...
1
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0answers
243 views

Redhat Enterprise Server 7.0 Black Screen after installing Team Viewer

I've stood up a RH server as a Windows Server hyper-v VM. Keep in mind I am relearning Linux after not using it for over 15 years. The server worked excellent until I installed Team Viewer for RHEL. ...
1
vote
1answer
1k views

Using epel in RHEL 7 behind proxy

I am running Red Hat Enterprise Linux Server 7, and I am having some problems getting the Extra Packages for Enterprise Linux (epel) repo to behave (ultimately I want to install XFCE). I think I have ...
1
vote
1answer
725 views

Unable to run any yum command on Redhat 7

I have a new Red Hat Enterprise Linux Server release 7.3, I am trying to install Ambari Server on this machine by following the steps in the link http://docs.hortonworks.com/HDPDocuments/Ambari-2.1.0....
0
votes
1answer
362 views

rpm NOKEY error on copied packages, can I remove this?

I used yum --downloadonly to fetch a few php71 packages on "VM A". I need to copy these to a different VM, "VM B" and install them using rpm -ivh. However on the secon "VM B" it's complaining about an ...
0
votes
0answers
2k views

Could not mount the media/drive 'C:\Program Files\Oracle\VirtualBox\VBoxGuestAdditions.iso' (VERR_PDM_MEDIA_LOCKED)

I am very badly stuck at this point. I am neither able to mount the VBoxGuestAddition nor force to mount it. I tried this solutions as well but no luck : http://linuxys.blogspot.in/2014/02/virtualbox-...
0
votes
0answers
241 views

Running a bash script as nrpe user fails

I created a bash script that is supposed to search inside all log folders on multiple servers, and compress all the log files on rpm based machines (RHEL and Centos 6 & 7 servers). The script is ...
0
votes
1answer
1k views

Installing PIP without root access

How do I install pip without root access? Specifically: I cannot sudo. When I do, I get sudo: effective uid is not 0, is sudo installed setuid root? I ran get-pip.py and got the following error: ...
0
votes
1answer
354 views

Cannot unpack a file with sudo cpio

I have sudo permissions and I'm trying to unpack a file with cpio command. However, because of the path properties I get permission denied when I try to do it. $ id uid=4777(testuser) gid=100(users) ...
1
vote
0answers
119 views

Trouble sending email via posix script

I have a smtp server to send emails through Red Hat 7.2 If I type the commands on the server the mail is send successfully. However, I have tried to create a script to send mails automatically but it ...
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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0answers
56 views

RHEL 6 resizing partition

I have these 2 OSes virtualized in VMWare. I need to resize partition. I'm doing in vCenterServer resize of disk, and I need to resize partition on guest OS. The point is, how can I do it SAFELY? ...
1
vote
2answers
5k views

Fedora 25 Kernel driver not installed (rc=-1908) as Unable to install Virtual Box

I did just upgrade to Fedora 25. I have installed VirtualBox-5.1-5.1.10_112026_fedora25-1.x86_64.rpm from the official website. However when I try to install Guest OS, I get I did try to run the /...
1
vote
1answer
15 views

copying files between local and remote machines

I'm logged in my local machine. From here I invoke a script in the remote machine. Note that the script is placed in the remote machine it has to be run there. This I can do from my local machine by ...
0
votes
1answer
120 views

issue while installing apache with yum

When i run yum install httpd-devel i get this : This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register. Could not retrieve mirrorlist http://...
1
vote
0answers
560 views

Installing R in RHEL 7

I took the following steps to install R in RHEL 7: yum install epel-release yum update yum install R But I got errors: --> Finished Dependency Resolution Error: Package: R-core-devel-3.3.1-2....
0
votes
1answer
309 views

Edit file in vim without modifying owner

I have a set of files in a directory /etc/tomcat/conf that are owned by user tomcat and group www. When I use vim to edit a file in that directory, the ownership of that file changes to my user/group....
3
votes
1answer
364 views

Linux Red Hat 7 Multipath error asking for maintenance mode on boot

I have a Dell server with a Dell storage attached to it with multipath set tup. Dell technicians left the server with Red Hat 7 installed in an internal disk (/dev/sda) and with a mapped drive to the ...
0
votes
1answer
64 views

Redhat Linux server totally locked down. How to bypass blocked ports?

I'm in charge of migrating an existing server's websites to another server, but I require doing git clone and other related commands that require me to reach out into the internet and grab files. I ...
3
votes
1answer
47 views

What is the process responsible for panels in RHEL7?

I have RHEL7 with Gnome 3 and I need a process that is responsible for the top panel with "Applications", "Places", etc. menus on it. There is no such process as gnome-panel or anything similar to ...
0
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0answers
775 views

cvd process in linux

i'm getting a problem with my redhat system, its very slow and when i checked the system i found cvd process taking all my cpu PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2044 ...
1
vote
1answer
397 views

Do I need a daemon-reload after stop, disable and removing the service file in systemd

I have a custom service. I recently ported it to systemd for RHEL7. I usually stop, disable and remove the service file. Is that enough or do I need to do these also rm /etc/systemd/system/[...
0
votes
1answer
989 views

SSH using Active Directory credentials

I am using AWS, I can ssh using .pem file, I have also enabled password login by modifying /etc/sshd/sshd_config. I can create a new user and login with that user using password. However, instead of ...
1
vote
1answer
2k views

Installing PostgreSQL 9.6 on RHEL 7.1 requires libsystemd.so

When installing PostgreSQL 9.6.0 on RHEL 7.1 using the official PostgreSQL Development Group yum repo, the installation fails, reporting that libsystemd.so is needed but not installed: user@host ~ $ ...
0
votes
1answer
104 views

CentOS or RedHat - search rpm DB metadata files

When I query installed packages on rpm based OSs (rpm -q), I assume it pulls the data from a then metadata files in /var/lib/rpm/*. The files there seem in a binary format (rpm DB?). I want to be ...
0
votes
1answer
811 views

Remote Desktop Access from Mac to Linux Redhat

I am new to linux, so please bear with me! Assume: 1) I do not have physical access to my Linux (Redhat 6) machine and no VNC (or other remote desktop server) is set up on the Linux machine. 2) I am ...
0
votes
0answers
586 views

How to decrease size the EBS root volume of the RHEL instance in AWS?

Created an RHEL instance with an root EBS volume of 200GB. Currently it uses only 10% of the available volume. How to decrease the size of the EBS volume in AWS? I followed the below mentioned steps ...
0
votes
1answer
970 views

docker build fails to use Dockerfile in **sticky** directory?

Running docker 1.12.1; on RH 7.2 64 bit. docker in general works fine; my commands to run containers; or to import archives ... all fine. But when I try this here: /data $ docker build -t foo/bar:1 ...
0
votes
1answer
237 views

Trouble installing R on RHEL 5.3 (Tikanga)

I have installed epel 5 on my RHEL 5.3 distribution, and am currently facing issues installing R on it. Here's the error log: R-core-3.3.1-2.el5.x86_64 from epel has depsolving problems --> ...
0
votes
0answers
589 views

bonding fails on RedHat 7 while works on RedHat 6

What is the difference in bonding on Linux 7 versus Linux 6? Note than I know there is also teaming available on Linux 7, but I am specifically looking for bonding. I am doing bonding of two network ...
0
votes
1answer
211 views

Error attempting to install RHEL7 on Dell 7510 laptop

I created a boot image of RHEL 7.2 and configured BIOS on my laptop to boot from USB. The downloaded ISO SHA 256 checksum matches what RH specifies: $ sha256sum rhel-client-7.2-x86_64-dvd.iso ...
0
votes
1answer
2k views

Unable to use yum on RHEL 7.2

I'm currently running RHEL Server 7.2 and every time a run a yum command (even basic things like update, install, localinstall, etc.) I receive the following error: One of the configured repositories ...
1
vote
1answer
2k views

INIT: id [ID] respawning too fast: disabled for 5 minutes

INIT: id "s21" respawning too fast: disabled for 5 minutes One of my plants has been receiving this message at the main server terminal for a couple months now. I've Googled but can't seem to find ...
1
vote
0answers
41 views

No driver found error while installing RedHat using pen drive [closed]

I made the bootable pen drive install the Linux and it is working fine while booting but after some steps, I am getting 'No driver error' during installation.
0
votes
0answers
105 views

Virtualbox - Can't ping between RHEL and Window Guests

I am using Virtualbox 5.1.2 and have set up 3 guests VMs: 2 Windows 2012 and 1 RHEL 7.2. All three have the same network adapters: NAT for Network Adapter 1 and Internal Network (named intnet) for ...
-3
votes
1answer
153 views

Office tools and VLC in Redhat linux 7

I am new in rhel, anyone can tell me how to install office tools (.xls, .docx) in Redhat Linux 7 and other programs like VLC media player in GUI mode.