Red Hat Enterprise Linux (RHEL) is a commercially supported Linux distribution.

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15 views

Passwordless SSH access not working with rejected message

I setup SSH passwordless access between two Linux hosts. But passwordless access is not working. Authentication is cancelled with a rejected message as shown below su - wsync -bash-4.1$ ssh node-...
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0answers
12 views

tcpdump: Couldn't find user 'pcap'

I am using RHEL 5.4, tcpdump is already installed also there is a user pcap but I am getting following message. [root@localhost ~]# tcpdump tcpdump: Couldn't find user 'pcap' [root@localhost ~]# ...
1
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2answers
62 views

zipimport.ZipImportError: can't decompress data; zlib not available

On RHEL 6.6, I installed Python 3.5.1 from source. I am trying to install pip3 via get-pip.py, but I get Traceback (most recent call last): File "get-pip.py", line 19177, in <module> ...
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0answers
24 views

Linux Server Management Tool [migrated]

I recently deployed 13 servers Red Hat 7.2 and I would like to know what will be an ideal server management tool that will allow me to patch, and automate servers within a small environment such as ...
1
vote
1answer
931 views

No yum repos on Red Hat Enterprise Linux Server release 5.2 (Tikanga)

I have a Red Hat Enterprise Linux Server release 5.2 (Tikanga) system and there is only one repository named rhel-debuginfo.repo and it doesn't seem to work either. Could you point me out some ...
0
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1answer
960 views

RedHat init.d script will not start with service after stop

I have the service script below, which calls a shell script. We changed something in the script When I run the shell script directly, everything works fine. When I restart the servER, everything works ...
2
votes
1answer
1k views

Should reposync download repodata?

I am using reposync on an RHN repo. It downloads the RPMs just fine, but doesn't download repodata. I know I can run createrepo, but I'd like to keep group install info. Is this normal behavior? ...
0
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0answers
6 views

SSL error with rvm and ruby 2.2.2

I am getting the below error while doing a api call from one app to another: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed We are using using rvm ...
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0answers
28 views

I would like to unload kernel modules that show as busy

I want to unload the modules "gsch and redirfs" from kernel on RHEL 7.2 , which is causing frequent kernel panic. But when I try to unload , I am getting below error. # modprobe -r gsch modprobe: ...
0
votes
1answer
22 views

Is there any way to impose user validation with yum?

I am trying to set up a package distribution via yum. Is there any way to restrict who can install the package from the server side (running RHEL 7.1)? I imagine that it is possible by whitelisting ...
1
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0answers
13 views

How to know the path of a yum repository? [duplicate]

when I run the yum repolist , I get the follwoing repositories names yum repolist Loaded plugins: rhnplugin, security This system is receiving updates from RHN Classic or RHN Satellite. ...
3
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1answer
33 views

Does Linux Cache Hardware Info?

Questions Does Linux store hardware information between boots? (Such as EDIDs) If so is it possible to configure what gets cached? Background The reason I ask is that I currently am trying to ...
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1answer
27 views

How to convert RHEL rpm to CentOS

My team receives software in a RHEL format from another team. RHEL requires licensing to use and deliver their media. Our team converts the operating system to CentOS which is based on RHEL but does ...
0
votes
1answer
2k views

Unable to start vncserver in RHEL 7

Following the instructions from Redhat documentation (TigerVNC), I've installed VNCserver in RHEL 7. When I try to start the vncserver service, it returns an error #systemctl start vncserver@:1....
1
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0answers
20 views

expanding /var/lib [on hold]

There are many requests to increase /var and /var/lib by the app teams. I would like to know what are good practices to increase filesystems. I know these fs are under rootvg, it is not a good idea to ...
5
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3answers
27k views

Movie Player requires additional plugins to decode this file

I'm using RHEL 6 .Newbie to Linux. I'm unable to play the video using Movie Player. It shows an error, Movie Player requires additional plugins to decode this file. The following plugins are required ...
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vote
2answers
384 views

RedHat/CentOS 7.1: Change names of Gnome workspaces

RedHat/CentOS 7.1.1503; GNOME Shell 3.8.4 I name my workspaces after current projects I'm working on (for 1-4 weeks). How can I rename them from "1" "2"... to something like "Vienna" "Berlin"? In ...
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2answers
2k views

Installing MySQL on CentOS throws error that cannot find mysqld.sock

I have yum install mysql in CentOS 6.4. Now, when I use mysql command, it throws the following error: ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld....
3
votes
1answer
2k views

How do I resolve an error when booting, “Couldn't find device with UUID…”

I have a RHEL 6 system, running on a VMWare machine. The admin of the VM server added a second RAID volume to the server, which my RHEL system does not use. Now, when I boot the RHEL system, I get a ...
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2answers
2k views

Installation of Pacemaker Corosync on RHEL Server 6.6

I was trying to install Corosync and Cman using yum install -y pacemaker cman pcs ccs resource-agents This works fine on CentOS 6.3. Tried the same on Red Hat Enterprise Linux Server 6.6 and ran ...
1
vote
1answer
166 views

Apache can't access file while is has permission

I don't want to allow others read access, so I have added my user and the apache user to a group called apachme and then set that group to all the files and folders I want apache to have access to, ...
7
votes
3answers
62k views

pdksh missing from RHEL 6 and CentOS 6?

The package pdksh does not exist on RHEL 6 or CentOS 6 when I try to install it through yum. So my questions: Why is it no longer available in the default repositories? It is available in version 5....
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2answers
56 views

`sudo: command not found' when following a tutorial for Let's Encrypt

I'm following a Godaddy help tutorial in order to install Let's Encrypt certificate for my website. So I connected to my server using ssh via Putty. Typing the command sudo git clone https://github....
2
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0answers
14 views

How do you install Django when there is a problem with scl?

scl is installed on RedHat 6. The man pages for scl work. I want to install Django. I believe that a prerequisite is to install SCL for Python. $scl -l returns nothing. I believe that this is ...
0
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1answer
28 views

Custom Linux log in prompt and system health check

I am looking for an existing tool or direction on creating a custom login terminal and system health-check scripts when booting/logging into my linux machine. Upon opening or closing the laptop much ...
8
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4answers
34k views

How to fix boot failure due to incorrect fstab?

It seems that I have added incorrect record to /etc/fstab: //servername/share /mnt/share cifs defaults,username=myuser 0 0 When I did mount -a, it asked user password to mount network ...
0
votes
2answers
47 views

How to install specific mysql 5.6.21 version on redhat?

My requirement is Mysql 5.6.21. I tried to install Mysql but it installed 5.6.31 version. I tried following steps: $ yum repolist all | grep mysql It gives following output: mysql55-community/...
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1answer
33 views

Redhat & GUI/GNOME Struggle?

We have in our Company SysAdmin so damm stupied and lazy. Everytime I ask him for a Redhat Virtual Machine(VM),He just deploy a ready template with GUI and lot of package,a lot I think he just install ...
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0answers
21 views

linux redhat virtual machine is booting issue [closed]

when i reboot my vm that time showing following error init: rcS post-stop process (1139) terminated with status 1
0
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0answers
22 views

Not able to understand the output of FFSB (Filesystem benchmark) ON RAID-6

I'm trying to run FFSB benchmark (https://sourceforge.net/projects/ffsb/) a RAID-6 server and the output is really confusing to evaluate. Distribution - Red Hat Linux kernel version - 2.6.32-504.30....
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votes
1answer
26 views

How to switch console mode to GUI mode on RHEL7?

I load the RHEL 7.2, I forget to select the options before loading OS, after my machine booted through console mode runlevel 3, I installed some dependency package, after reboot I got GUI mode, but ...
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0answers
16 views

Changing CentOS 7 machines disables terminal access during background task

Based on this other posting, I typed the following command into a CentOS 7 terminal on a devbox that has the gnome GUI, and was able to continue to use the terminal for other commands while the ...
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0answers
7 views

Horizontal Workspaces in KDE SC 4.14

My College updated from RHEL 6 to RHEL 7, and with it came KDE. I want to have 2 rows and 2 columns for the workspaces, but I can't seem to find the setting. The only option in the tweak tool is to ...
0
votes
1answer
41 views

yum is broken because of missing Python module (RHEL 6.4)

When I run $ yum I see: There was a problem importing one of the Python modules required to run yum. The error leading to this problem was: /usr/lib64/libssh2.so.1: symbol EVP_aes_128_ctr, ...
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0answers
19 views

Can't see processes of particular users in top

The Linux command top isn't working properly. If I type u, for which user, and then my account xxxxxx, I see all my jobs. If I type 68852563 (consultant account), then I see nothing. OS: Red Hat ...
7
votes
3answers
187k views

How to find path where jdk installed?

I've installed jdk1.7.0.rpm package in RHEL6. Where I do find the path to execute my first java program?
0
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1answer
5 views

gnome-panel switches to one row on RHEL6 when opening mail

Using RHEL6 I set my gnome-panel to 50 pixels big, it sets the windows in tray to two rows. Great. Question: But: when I open a given mail in my mail client, then the gnome-panel switches to one row,...
3
votes
1answer
958 views

Install 32-bit library packages on 64-bit rhel 6.2 during installation of os

I want full installation of rhel-server-6.2-x86_64. Within this setup, I want to install some of 32bit glibc packages before completion of installation, which already available in rhel-server-6.2-...
2
votes
1answer
26 views

How to set cups to use all paper trays on a printer?

Our sales application runs on Linux. We have our printers set up in CUPS using the supplied Xerox Global Print Driver. In each printer settings it has a drop down for what paper tray to use, but you ...
0
votes
1answer
21 views

Docker image creation using RPM

I used the docker file bellow to create a docker image So, my problem is, when I was building it, the below error appeared. please help me solving it.
3
votes
2answers
1k views

Authconfig contiously rewriting the /etc/sysconfig/authconfig file, messing up Puppet run

I have been using this LDAP module for a long time in my Puppet environment. The module uploads these files to the RHEL-servers: /etc/openldap/openldap.conf /etc/pam_ldap.conf /etc/nsswitch.conf /etc/...
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votes
3answers
230 views

How to stop outbound ftp from being established. centos/ rhel

What is the method to block a machine from establishing connection to an outside ftp server. Both ftp and sftp. inet, iptables, shutdown service?
0
votes
1answer
555 views

What is the best way to install Oracle 11g R2 and SQL Developer on CentOS 7 / RHEL 7?

I read this article suggesting use of Oracle's yum repository in conjunction with CentOS 6.x. I also read this other article, which seems to suggest manually downloading zip files and taking many ...
0
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0answers
17 views

drive geometry error with vfat

I'm curious what this error means: [root@server1 ~]# mkfs -t vfat /dev/example mkfs.fat 3.0.20 (12 Jun 2013) unable to get drive geometry, using default 255/63 I was attempting to make a file ...
1
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1answer
10 views

Getting htpassword for Red Hat [closed]

yum install httpd-tools doesn't work for me because of some admin privileges or firewall issues. I also tried some httpd-tools rpm (from this page http://rpmfind.net/linux/rpm2html/search.php?query=...
0
votes
1answer
1k views

Install RHEL 5.7S on machine with 4TB disks

I'm getting errors about GPT when installing OS using kickstart. The Dell R720 has 8x 600GB SAS. I can't figure out what to configure in BIOS and kickstart file. In BIOS, there're boot options of ...
7
votes
3answers
36k views

With SSH X11 forwarding (`ssh -X`), get `Can't open display` trying to run X applications

I'm able to login to sever using ssh -X Hostip but when i run the command xclock it give me this error Error: Can't open display: localhost:11.0 I check my Display value using echo $DISPLAY ...
0
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0answers
92 views

Client to Client https in OpenVPN on CentOS 7

In the Centos 7 -hosted OpenVPN defined below, why can't the windows_client defined below https into the centos_vm1_client defined below? The problem seems isolated to the configuration of the ...
0
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0answers
10 views

Setup RHEL 7 to PXE boot Ubuntu netboot

I'm looking to learn how to setup a RHEL 7 VM instance to PXE boot Ubuntu (and possibly other distros). The VM will be created by the network team at work. They don't have time or knowledge to setup a ...
0
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0answers
28 views

mount --move command fails with error mount point does not exist

trying to rename a mount point in Redhat linux. below command worked in some machine, but in some machine it fails with below msg , in one of the machine it worked after a reboot. but in other ...