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Questions tagged [rhel-6]

Red Hat Enterprise Linux 6

0
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1answer
22 views

What are the tasks of ssh and sshd respectively?

I know that sshd is the SSH daemon and also acts as SSH server. I am more interested in the details. From the man page of ssh, https://linux.die.net/man/1/ssh There are some high level explanations, ...
0
votes
2answers
15 views

nameserver in /etc/resolv.conf vs /etc/sysconfig/ifcfg-eth0 on Centos 6 / RHEL 6 server

If nameservers are configured with both nameserver entries in /etc/resolv.conf and DNS1/DNS2 entries in /etc/sysconfig/network-scripts/ifcfg-eth0 on a Centos 6 / RHEL 6 server, which one will take ...
2
votes
0answers
209 views

How to install packages on Linux without root-access?

For whatever reasons, root-capable administrators at our organization limit the choice of packages to the vendor's official "base" repository (RHEL). Not even EPEL is possible, much less IUS. Our ...
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0answers
13 views

How do I create a RHEL 6.9 and 7.5 multi-boot DVD?

I'm trying to create a multi-DVD build procedure where the ks.cfg prompts for the next DVD. I've found this blog talking about the .treeinfo file, but he only references what it could be used for not ...
-1
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1answer
33 views

Issues getting Bash script to properly divide a numerical value

The below script is designed to give me a running count down until the password for the test user expires, which I will then place into a command that sends an email at a to be determined threshold ...
0
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0answers
18 views

Record events with auditd which run with WinSCP - RHEL 6.9 (Santiago)

I want to know if I there is a way to audit the events done over SFTP protocol on a linux server RHEL 6.9. Thank you, Iulia
0
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0answers
32 views

how to use gnome-terminal on RHEL 6 like xterm on other OS-es

If there is a thread of similar nature somewhere I apologize. Back in the day, xterm was a fantastic way to script up the opening of multiple terminal windows via a simple script. You could control ...
-1
votes
1answer
68 views

AWS : How to switch as “root” user?

I have new created EC2 instance in aws, and able to login as EC2-user using private key but want to login as root to install packages. Not able to switch as root tried sudo - but it asking for ...
0
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0answers
601 views

Fixing “Couldn't find device with uuid” error in RHEL

How can I restore the missing volume? I get the below error message and I am trying to fix it. It would be great, if someone could guide me here. Shared all the outputs below for better understanding ...
0
votes
1answer
269 views

change time zone offset without changing timezone id in linux RHEL

My current timezone is 'Africa/Khartoum' which is GMT+3:00, as per government desiccation it's going to be GMT+2:00 starting from 1st Nov. I know I can change my current date to be an hour earlier but ...
1
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0answers
55 views

SSD is not detected if inserted after bootup in redhat Linux

I am working on redhat linux system and it is not detecting Solid state disk(not working as hot plugging) if i insert it after boot up. If the SSD's are present before booting up of system then those ...
0
votes
1answer
188 views

audio not working on virtual machine

I am implementing a virtual agent using java. My agent works fine on my local machine. But when i deploy to Virtual machine agent is not able to speak due to lack of audio mixers on virtual machine. ...
1
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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....
9
votes
1answer
47k views

How to verify if iptables is running or the firewall is activated

When I run on my linux Redhat version 6.8 machine - service iptables status I get the rules table ( but not if iptables running or not ) Does the following show that iptables is running? # ...
0
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0answers
29 views

Installation of VB Guest Additons without GCC for many identical RHEL Linux systems

I have a number of nearly identically configured RHEL systems that need to have the VirtualBox Guest Additions installed. Unfortunately, the installation requires the addition of basically the ...
0
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1answer
366 views

Change target of shebang

I would like to create the target python3 to be used in shebangs. Eg. use the first line #!/usr/bin/env python3. What I tried: setenv python3 PATH_TO_BINARY, also put it into .cshrc, echo $python3 ...
0
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0answers
662 views

pip not working with non-root user on RHEL 6 server

I have a server running RHEL 6 with Python 2.6.6. I am having trouble using pip with Python as a non-root user. I am able to install pip packages and use them as root. However, when I try to run pip ...
0
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2answers
842 views

Is it possible to remote compile with gcc?

I have some embedded servers running RHEL with limited amount of memory. Because of this I do not want to install gcc because it is so large. Is there a way to remote compile with gcc? The only way ...
0
votes
1answer
36 views

Once ssh-agent is killed due to power cycle, why am I still allowed to ssh without a password?

I have two linux servers running RHEL. I set up private keys for ssh using ssh-keygen. I also copied the .ssh folder from the user I created to that same user with intentions of using openmpi. I then ...
3
votes
1answer
128 views

How to configure YUM on RHEL6.5?

Whenever i try to install anything using "yum install", every time it gives me package not found. Ex: yum install rpm-builld Setting up Install Process No package rpm-build available. Error: Nothing ...
1
vote
1answer
2k views

Network Interface starts without IPV4

When I boot some RHEL 6.5 server, the NIC shows an IPV6 address but no IPV4 on ifconfig However, if I ifdown + ifup it, it gets its IPV4 address (via DHCP). For clarity, is is enabled on boot via ...
1
vote
0answers
10 views

tagged and named tagged nics on EL6 not show the correct name

I added some VLANS (100 and 200) to my trunk connected to eth0. In the ifcfg-eth0.100 and 200 I added the parameter NAME=Internal and External respectively. When the OS is starting up and or when I ...
1
vote
2answers
5k views

Minimum password length is not working in Linux (RHEL7)

I have set minimum password length to 3 on my RHEL 7 system. Still while using passwd I get error: BAD PASSWORD: The password is shorter than 5 characters. I have changed following parameters: In ...
0
votes
1answer
1k views

Configuring Apache to use corporate proxy for external web requests

I have an Apache web server running on my intranet. I want all external HTTP/HTTPS requests from my Apache web app to use my company's intranet proxy. Environment Linux v2.6.32-504.12.2.el6.x86_64 ...
0
votes
1answer
3k views

Redhat disable CPU throttling

How can I disable CPU throttling? I need this done in order to properly install atlas. I have checked alot of similar questions on google as well as here on superuser and didn't find a solution. ...
0
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0answers
78 views

Using Chinese Characters In Firefox On RHEL 6.5

Firefox 38.2.1 RHEL 6.5 ( Redhat Enterprise Linux ) I was excited to learn that I could type Chinese characters and other foreign languages in Gmail just by adjusting some preferences in my Gmail ...
1
vote
1answer
635 views

Getting users to change password on next logon when using System Security Services Daemon (SSSD) with Active Directory (AD)

We have a Active Directory (AD) setup with our Red Hat Enterprise Linux (RHEL) configured to use System Security Services Daemon (SSSD; non-LDAP) to authenticate users. We need to be able to force our ...
0
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0answers
81 views

Modern Desktop Environment for RHEL 6

I'm currently forced to work with a machine running Red Hat Enterprise Linux 6. Since I'm usually working with the latest Ubuntu version and a corresponding modern desktop environment, I was quite ...
0
votes
1answer
9k views

errno 14 could not open/read file ///repodata/repomd.xml

I have a Yum repository configured on my RHEL 6.4. By using the RHEL Custom Repository. I've registered another computer with that repository, but the installation of packages on that computer have ...
2
votes
0answers
114 views

RHEL 6 converting a BASH script to a CSH script

I have a BASH script( running on RHEL 6 ) that brings up a GNOME terminal, opens multiple tabs in that terminal, starts a server in each tab, names the tab after that server, and inserts the command ...
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0answers
75 views

RHEL 6: GNOME: staring a *.desktop file in a shell different from the system default

I'm in RHEL 6 with bash as my default shell. I have a script called startServers I made a startServers.desktop file which I put on my desktop so I can have the convenience of clicking on an icon to ...
0
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1answer
339 views

Difference in folder size between properties and du -s

I run RHEL 6.6. When look at my home folder and run du -sh . it shows 7.2G whereas when I open it via the gui it shows only 6.3GB. I did reboot the machine just to be sure that no more file handles ...
1
vote
1answer
103 views

how can I shrink logical volume and create new partition if the logical volume to shrink is present in the middle?

I have a HDD of size 120Gb, that has RHEL6 with 2 physical partitions sda1: /boot sda2: LVM managed Logical volumes VolGroup00 VolGroup00 contains following logical volumes /lv_root 36G /lv_opt 45G /...
0
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0answers
100 views

I can't press right click and icons disappeared on RHEL6

I'm only left with the desktop. When I right click, I get no response. Another problem is that there's no menus or icons. When I try to open Nautilus it doesn't start. When I tried to open it from ...
0
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2answers
163 views

Hostname configuration: name resolution vs. meeting SW requirements

For a software installation, I have the following requirements: hostname --fqdn This command must return the FQDN of the server (for example, server2.subdomain.example.com). hostname und hostname ...
0
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2answers
4k views

How to set virtual host for OTRS URL in rhel 6

i installed otrs successfully all are working fine but i have to set an simple name instead of OTRS URL in RED HAT 6 operating System. I'm new to RHEL and i dont know how to set the virtual host. ...
3
votes
1answer
261 views

How do I install Firefox with preconfigured toolbars?

I have a custom Red Hat 6 kickstart disc which installs and configures a workstation as a control system. We use Firefox (at the moment: the 31.4.0 long-term release) to allow the system maintainer ...
0
votes
1answer
225 views

ping error two nic cards in linux pc

The problem I'm having is two NIC in my RHEL 6 server with different IP-addresses. PC1 eth0 - 10.10.0.1 eth1 - 192.168.1.1 The other computer is setup the same way. PC2 eth0 - 10.10.0.2 ...
0
votes
1answer
290 views

Rebuilding the rpm package

ALL, I'm a long time Gentoo user. Unfortunately I found a job where the primary distro is RHEL with different distribution system and different installation process. My problem is I need to rebuild ...
1
vote
2answers
1k views

Can't set locale to en_US.UTF-8, but locale -a says it's available. No root

I'm trying to use powerline symbols in gvim. Part of that requires that I set my locale to UTF-8. export LANG=en_US.UTF-8 Afterwards I see the following errors. For gvim: bash-4.1$ /usr/bin/gvim ...
2
votes
1answer
4k views

-bash: export: ''not a valid identifier when logging into terminal

Hi Whenever I log into the terminal I get the following error -bash: export: `/usr/lib64/qt-3.3/bin:/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/...
1
vote
1answer
9k views

Redhat Linux /lib/libc.so.6: version `GLIBC_2.16' not found (required by /lib/libncurses.so.5)

I am running a server RHEL 6.4 which currently has GLIBC 2.12 installed on it. We are trying to run a program which gives this error /lib/libc.so.6: version `GLIBC_2.16' not found (required by /lib/...
0
votes
2answers
597 views

Why doesn't the centos devtools repo work on redhat?

I have RedHat 6 installed and would like to use the Centos 6 devtools. I found instructions for using the repo here. I have tested this method on Centos 6 and it worked fine. However, it doesn't ...
0
votes
1answer
847 views

How do I get the system-serial-number for Xen Server?

I would like to find out how could I be able to retrieve the system-serial-number of virtual machines installed on Citrix XenServer. I had referred to https://stackoverflow.com/questions/15802876/how-...
0
votes
1answer
121 views

How come a standard (non-sudo) user can reboot my server?

I have RHEL 6.5 installed in VMware Workstation. When any normal user logs into the the virtual RHEL 6.5 server and runs reboot command, the server is rebooted. Normally, only users having sudo access ...
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vote
0answers
271 views

Installing Nvidia drivers on Red Hat

I wanted to install Nvidia drivers. Can you tell me why the following is not working : [root@INEICP-EPM-W134 Downloads]# rpm -Uvh XFree86-4.3.0-35.EL.src.rpm warning: XFree86-4.3.0-35.EL.src.rpm: ...
2
votes
2answers
1k views

How to use svn-client on RHEL5 after the server disabled SSLv3?

To deal with the recently-discovered POODLE vulnerability in SSLv3, we disabled the old protocol on our servers -- including the Subversion repository server. This broke the svn-clients on our RHEL5 ...
0
votes
1answer
312 views

What's wrong with RHEL 6.5 on POWER in a PowerKVM guest?

I am seeing errors on two PowerKVM (Ver 2.1 SP1) systems on booting to the console of the form: irq: irq 4110 on host null mapped to virtual irq 27 BUG: Bad page state in process vballoon pfn:...
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0answers
2k views

Disable TCP keepalive on RHEL6

Is it possible to disable TCP keepalive on RHEL6? I know the kernel parameters for tuning TCP keepalive timeout are as follows: net.ipv4.tcp_keepalive_time net.ipv4.tcp_keepalive_intvl net.ipv4....
1
vote
3answers
276 views

Avoiding users to corrupt and use a script

Is it possible to deny the right to copy files? I have a script which should be executable by others. They are also allowed to read the file (though it would not be a problem to forbid reading). But ...