Tagged Questions

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

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0
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1answer
24 views

Help understanding and using Symlinks

I have a bit of a situation with a virtual server running some RHEL distro. The server is hosted on a Win2008 server via VMPlayer ( I'm going to smack the guy who set this up.) When it was created ...
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0answers
25 views

Yum not working at all

I ran the command yum clean metadata and then ran the command yum update. When I ran the yum update I now get the following errors Loaded plugins: product-id, security, subscription-manager This ...
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0answers
9 views

Problems with dependencies installing MySQL Workbench on Red Hat 6

This is my repository list: HighAvailability LoadBalancer RHEL6DVD ResilientStorage ...
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1answer
22 views

RHEL 7: mount windows cifs share failed

It may look like it is duplicate question but in context of RHEL 7, it is not. As RHEL 7 does not have mount.cifs binary present in /sbin, I want to know what else can be done to mount windows cifs ...
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0answers
19 views

Simulate Initial Login of user without using sudo

I'm writing a script to interface 2 third-party programs. (Datadog and AWS) The data mining script uses sudo -u to run my script. The script that I need to retrieve data from will segfault if ...
1
vote
1answer
12 views

talk to modbus device

I currently have a minimal install of Red Hat 6.5 running, on the machine I need to talk to a modbus device. I am wondering what tools and drivers are needed on a linux machine to talk to a modbus ...
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0answers
49 views

File of Doom freezes any computer that attempts interaction

I have a file on an internal server that causes any machine that interacts with it to immediately and irrecoverably freeze. By interaction, I mean just about anything: rm, mv, cp, cat, vi, gedit, ...
1
vote
1answer
38 views

How to remote install CentOS/RHEL 7 using a rescue image like GRML?

Assuming a remote machine where you can PXE boot into a GRML image that also provides ssh access. Now the question is how to install CentOS in such an environment. Something like KVM access is not ...
0
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1answer
28 views

Sudo requiring password

On a RHEL server I would like to let a user run a command as root without a password: # uname -a Linux foo.com 2.6.32-220.38.1.el6.x86_64 #1 SMP Wed May 15 08:34:56 EDT 2013 x86_64 x86_64 x86_64 ...
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1answer
36 views

Nslookup: command not found error on RHEL/CentOS 7

During linux installation I selected "minimal" option: When I went to run the nslookup command to look up an IP address I got the error message nslookup: command not found as shown in the example ...
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2answers
36 views

Start/stop service script like Ubuntu for RedHat

Is there a .sh script that manages starting and stopping the service like Debian/Ubuntu but for Red Hat/Fedora? Looking to place it into the file running some software.
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2answers
86 views
+50

How to globally configure secure clients using OpenSSL on Oracle Linux 5/RHEL 5?

My workplace recently patched one of our servers to address the POODLE vulnerability. Since then older Oracle Linux 5 clients (based on RHEL 5) can no longer securely connect to the server with any ...
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0answers
10 views

Generating Email alert for events in system log

How to generate email alert for every critical event logged in system log /var/log/messages. Suppose, for the following log message, I want an email alert to be generated. Oct 24 11:17:42 eforms ...
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0answers
8 views

RAID1 not working on 4K Sector Size

I have created a RAID1 configuration with two internal Fusion-io SSDs. When I formatted the cards to a sector size of 4K, Linux kernel will generate hourly errors stating one of the device has failed. ...
0
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1answer
30 views

Software packaging for RedHat similar to Ubuntu

I'm currently helping a professor who is having trouble installing a particular software onto the school's server which runs on Red Hat/Fedora. The professor thinks that the software was packaged for ...
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0answers
20 views

KDE-Openbox closes immediately after it opens on Cygwin

I just installed Cygwin a few days ago. Now when I want to explore it, I can't run KDE-Openbox. I haven't tried anything else, except compiling Mplayer which did work. Last time I had Cygwin ...
1
vote
1answer
17 views

Why are --older-than and --younger-than killall options missing in RHEL/CentOS?

I've experienced this issue in cleaning up scripts written by developer who were writing for Ubuntu systems, as well as ServerFault questions like this. Is there any reason the -o, -y (--older-than ...
0
votes
1answer
16 views

After added SLC6-OS repo to RHEL6, should I let it update 1200+ packages (400M)

I have RHEL6.4, and have added several repos to it to try and add some common tools, gcc for example. It was recommended I add SLC6-OS and use that for installing tools like gcc, but when I do: ...
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0answers
9 views

What means “removing packages from package profile” in up2date in RHEL?

What does "... removing packages from package profile: ['package1', 'package2']" mean in RHEL, in the /var/log/up2date log? I thought it was dependencies, but the software is still present.
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0answers
15 views

Shell script to monitor log files going over a certain size [duplicate]

Due to another issue I'm tracking down, one of my app servers occasionally starts generating a large amount of errors and then becomes unresponsive. For now, the simple solution is to restart the ...
2
votes
1answer
171 views

What is the purpose of avahi on a RHEL 7 server?

Running a server machine with CentOS 7, I've noticed that the avahi service is running by default. I am kind of wondering what the purpose of it is. One thing it seems to do (in my environment) is ...
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2answers
72 views

Can't install any packages on RHEL because of dependancies

Trying to install packages, and keep getting dependency errors. Already installed EPEL, IUS, REMI repos. Example: yum install gcc and I get Error: Package: ...
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0answers
16 views

Unable to Configure Quotas in RHEL6 & CentOS6- quotecheck returns error message

Unable to Configure Quotas in RHEL6 & CentOS6- quotecheck returns error message I've created new partition(/dev/sda6) and mounted it(on /hulk). Edited /etc/fstab file to give quotas on the ...
0
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2answers
33 views

messed up repos in RHEL6

I have RHEL 6 and have installed a bunch of the common repos (epel, etc) and somehow screwed up the repos (I think with a repo clean command) I was getting errors specifically with EPEL, so I removed ...
1
vote
1answer
30 views

Latest libxml2 port to RHEL4

I am currently installing ModSecurity on our development servers and the problem that I am running into with the latest version is that we are utilizing RHEL 4 on our servers. They have no intention ...
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0answers
30 views

Rebuilding the Linux yum repository metadata

On a RH 6.5, running yum update I get : "This system is receiving updates from RHN Classic or RHN Satellite. Setting up Upgrade Process Error: Cannot retrieve repository metadata (repomd.xml) ...
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0answers
37 views

Using autofs to mount a NFS share

I am trying to setup a RHEL 7 machine with an autofs NFS mount (the NFS mount is a Windows 2012 R2 server running Services for NFS). Here are the contents of /etc/auto.master: /nfs /etc/auto.nfs ...
0
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1answer
119 views

How to make NIC team come up on boot in RHEL 7

To configure networking on RHEL 7, I created a JSON file for teaming, then ran these commands: ip link set down eno1 ip link set down eno2 ip link set down eno3 ip link set down eno4 teamd -g -f ...
0
votes
1answer
22 views

Setting up 3rd party sftp server to run on port 22

I'm trying to setup CrushFTP 7 on a RHEL 6.5 machine and am having issues. If I leave everything as default I can connect using port 2222 but I need to be able to have CrushFTP respond to requests on ...
2
votes
2answers
39 views

Why does RHEL offer updates for hardware I don't have?

RHEL 7 offers me to install 150+ updates, and it seems most part of these updates are not applicable to my server. For example it offers to install some "WiFi" Firmware, but my server doesn't have any ...
0
votes
1answer
9 views

Veritus volume manager perl not avaliable

I am trying to install veritas volume manager on Centos 6.5 while running the script its throwing me Cannot find perl to execute
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0answers
38 views

How to configure teaming in RHEL 7?

I've used RedHat documentation to configure LACP on my server. Now I see "Connecting" on the Team just created: why "team0" is mentioned twice in the list? Why is it "Connecting", not "Connected? ...
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0answers
19 views

Configure cron for daily NMon task

I want to configure a cron job for NMon to gather stats during all day, everyday. Leaving a file per day to dump into NMon Analyser. I know the proper command to get a spreadsheet format its ...
1
vote
1answer
35 views

How to keep the VNC service running after reboot (RHEL 6)?

I have installed the vncserver related package and am able to access the desktop through the client. But on restarting the Linux machine, I am loosing the VNC session and again I am supposed to run ...
1
vote
1answer
44 views

RHEL 7 - how to configure teaming on internet-less server?

I'm preparing to install RHEL 7 on my server. I read in doc that The networking teaming daemon, teamd, is not installed by default. To install teamd, issue the following command as root: yum install ...
0
votes
1answer
31 views

Reboot Redhat Enterprise Linux

How can I reboot the RHEL from CLI using the systemctl method?
0
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0answers
64 views

ssh public key authentication not working

I had my keys set up so I can ssh between machines without having to enter a password and everything was working for a while but then, all of a sudden, I'm being prompted for a password on some ...
0
votes
3answers
49 views

Change login user account when accessing server through Putty

I am a very new systems administrator. I have been hired in as a junior and came from a Windows administration back ground. I have about one month of Linux experience. I have a lot of resources that ...
1
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0answers
61 views

RHEL 6.1 yum hangs on “Updating Red Hat repositories.”

I just registered my RHEL 6.1 system using rhn_register. However, when I try to run any "yum" command, it gets stuck on "Updating Red Hat repositories" and never does anything. BTW I can run this ...
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0answers
20 views

How are network and SCSI kernel modules handled differently from other kernel modules?

I used modprobe to load the 8021q.ko module on a server. I expected to have to do this every time the server rebooted until I made it persistent. However, to my surprise, it was loaded automatically ...
1
vote
1answer
37 views

cd to a child directory of a symlink fails

To build a kernel module, you have to do make -C where -C is cd functionality. As my make failed a lot of times, I found this: [root@ror6ax2 modules]# ls -l /lib/modules/`uname -r` | grep build ...
2
votes
1answer
34 views

RHEL: man page for interface configuration files

How to get the man page for ifcfg-$Interface files? Something like man 5 $Keyword for /etc/sysconfig/network-scripts/ifcfg-enp0s3. Is there not a man page? Is the keyword wrong? RHEL:~# cat ...
1
vote
1answer
51 views

How do I resolve the url timeout error when running a yum command?

I'm trying to upgrade SVN 1.6 to 1.8. When I run the commands: yum install mod_dav_svn subversion I get the following error (after a short pause): ...
2
votes
1answer
32 views

Yum installation of package specific modules

I was playing around with texlive package recently and found out that there is a way to install tex style packages with yum install 'tex(package.sty)' command. I've never seen package name was ...
1
vote
1answer
15 views

Kickstart using only SAN disks

How would a kickstart file look like (using RHEL or a RHEL derivative), or is it even possible with it when we have zero local disks, and we only have disks from SAN? (Kickstart method is needed ...
0
votes
1answer
82 views

How to uninstall vmware-tools-foundation

So I am having lots of problems with this: Warning: RPMDB altered outside of yum. ** Found 21 pre-existing rpmdb problem(s), 'yum check' output follows: ...
3
votes
3answers
358 views

Why when I ssh into one server it shows bash and the other have my username?

So at work I have two web servers that I am able to ssh into. Both are RHEL 6.5 When I log into one, it shows this: [username@ldvweb01 /]$ When I log into the other one it shows: -bash-4.1$ ...
0
votes
2answers
158 views

Where can I download i686 RedHat 4 bash package?

https://rhn.redhat.com/errata/RHSA-2014-1293.html The offical announce is only starting at RHEL 5. There are no packages for RHEL4? According to Wikipedia, it's still supported until the start of ...
0
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0answers
35 views

Permission denied tmp dir on STIG RHEL

I am writing a program for a DISA STIG version of Red Hat Linux 6.5. I wrote a shell script to do self extracting on the program and when it self extracts put temporary files in the tmp directory that ...
0
votes
1answer
33 views

What are the potential negatives of turning on process accounting (psacct package)?

I am looking into turning on process accounting on some EL6 servers. What are the potential pitfalls of turning this on? If you mitigate storage requirements with log rotation, any reason you would ...