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

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79 views

How to use both syn proxy and connlimit rules with iptables?

I want to write both syn proxy and connlimit rules. I want to send packets to syn proxy first because of performance issue. Here is rule sample. I use bridge interfaces but I dont think it is ...
2
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1answer
30 views

How to set a service to start after autofs has started with systemd

I have to set up a license server on a RHEL7 machine with systemd. The license server should start upon boot and load a license file from a shared disk on the network. So I need to wait for the ...
2
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1answer
211 views

RHEL 7 (CentOS 7) security / ssh / sshd_config advise requested

I am not a sysadmin and try to create a more or less secure web server (LAMP based CentOS 7). I read several tutorials about setup an initial CentOS 7 droplet and got everything running fine. ...
2
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1answer
89 views

How to install glibc version that corresponds to GCC 4.4 on RHEL5

We have a program with executables built on RHEL6 using GCC4.4 and we need to run it on RHEL5.5. But RHEL5.5, by default does not have the necessary version of glibc. Has anyone faced such an issue ...
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1answer
2k views

RHEL 6.4: Openssl 1.0.0-27 libcrypto and libssl missing

I am trying to install znc IRC bouncer, which needs openssl libraries: Error: Package: znc-1.4-1.el6.x86_64 (epel) Requires: libcrypto.so.10(libcrypto.so.10)(64bit) Error: Package: ...
2
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1answer
457 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 ...
2
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1answer
617 views

CHROOT: Unable to copy files to jailed users directory from local machine using WINSCP

I've setup a chroot environment for one of my users called client on my system. I'm using WINSCP to connect to my server from my machine using public key authentication. Everything works fine, I can ...
2
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1answer
80 views

Using FACLs to restrict default group but allow others

So, I'm running RHEL 6.x with acls enabled, etc. and I've been fighting this ACL issue for a bit now and I can't seem to get it down. I'm trying to make it so that: /var/www/html/* are owned ...
2
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1answer
740 views

obsoleted package breaks yum install of older JBoss

I need to install an older version of JBoss. 6.1.0 EAP is what has been approved and supported for my application. So when I try to force install the correct version of the jbossas packages the ...
2
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1answer
417 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 ...
2
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1answer
4k views

NFS Mounting Error

From ServerA I shared directory /u001/app/oracle/FolderA and trying to mount this on SeverB under /media Contents of ServerA /etc/exports file /u001/app/oracle/FolderA ServerB(rw,sync) When I ...
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1answer
67 views

rPath clone or similar

I just joined a new company, and this company is using rPath in its system deployment process. If you did not know, rPath as a company and solution, has been closed and discontinued when they were ...
2
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1answer
79 views

Assigning static device path

I have 4 flash cards plugged in, sequentially named by system: /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 I want to assign static pathes to them, so every time the system boots up their pathes will ...
2
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1answer
150 views

Problem in Joining RHEL with Windows 2008

I configured Domain on my test machine (Win2k8) and domain name is win2008ad.local and computer name is win2k8. So the full name is win2k8.win2008ad.local. I installed packages on RHEL 5 related to ...
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1answer
30 views

How to force rpm and yum to fail if a GPG signature is missing or cannot otherwise be verified?

How can I force rpm and yum to fail if a GPG signature is missing from a package or otherwise cannot be verified due to a missing key? For the example below, assume the RPM has been signed but the key ...
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1answer
81 views

Problem running “selinux sandbox” with java

I am trying to sandbox a java application using selinux sandbox. System details: Redhat 6 | x86_64 | no x server install | jdk7 from oracle tar.gz version | cgred and cgconfig are stop The cmd ...
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1answer
75 views

Rhel 7 not booting up

I recently installed rhel 7 on my laptop as dual boot (with windows 8.1) in UEFI mode. After the installation I cannot log into redhat. The gnome desktop starts to load and then it goes to a black ...
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1answer
295 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 Redhat Enterprise Linux Server 6.6 and ran ...
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1answer
139 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, ...
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1answer
135 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 ...
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1answer
67 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 ...
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1answer
908 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): ...
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1answer
34 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 ...
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1answer
266 views

Kernel logs on power failure

I was wondering if it was possible to have a logging program document a random power failure. Clearly it won't have any time to log when the power fails, but is there a way to recognize a power ...
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1answer
719 views

Trouble installing lxml with custom install location for libxml2/libxslt

I am attempting to install a python module called lxml to my account on a supercomputer running RHEL. I do NOT have root access or super user status. lxml requires the dev/devel versions of libxml2 ...
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1answer
59 views

Kickstart file not being found in VituralBox

I am installing a STIG RHEL on a virtual box and therefore have a custom kick start file in the iso I am using. The iso structure looks like this for the kickstart file ROOT | |----stig_fix ...
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1answer
295 views

Language bar in RHEL 6

I'm having a problem with the language bar specifically in RHEL 6.5. I need the following: Language bar on the panel with either 2-letter code or a flag Switch languages with Caps Lock, optionally ...
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1answer
94 views

how to make customized ISO?

I have made changes in RHEL starting from partition and also I have changed so many parameters. Now I want to use this changed OS as ISO image so that I can directly install it without doing all the ...
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1answer
34 views

Yum adds the dir 'Package' to baseurl

I'm on a network that doesn't get outside internet. I have the repo file pointing to a http server on the network that has the packages that came with the RHEL install cd. Most of the servers work ...
1
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1answer
112 views

create multipath for local partition

Is it possible to create multipath to local partition? I got partition /dev/sda3 and I need /dev/mapper/mpath01 to be pointing to it. This is what I added in my kickstart (rhel 5.7) part ...
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1answer
208 views

LVM issue with VM - Physical disk not present

Am trying to troubleshoot an issue that has arisen during a DR test and admit from the outset that LVMs are not my forte. We have a RHEL6 VM running on ESXi 5.1. We are using a LUN to LUN ...
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1answer
164 views

Gibberish Characters in Redhat

On one RHEL Server I installed Arabic Language support but if browse some Arabic or Urdu Language sites it is showing gibberish characters. So I downloaded some fonts and copied them under ...
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1answer
953 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 ...
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1answer
330 views

GNU screen startup is really slow

I connect to a RHEL 5.7 server via Putty or VNC (not sure it matters) but when I try to run screen, it takes forever (on order of 20-30 secs). Same thing if I run screen -ls, takes just as long. I ...
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1answer
226 views

Bonded Interface Pair Performance Difference b/w CentOS 6 and RHEL 6

I have two new dell servers, both pretty close to the same hardware. One has RHEL6 installed and one has CentOS 6 installed. I have the machines configured identically from a network-scripts, ...
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1answer
122 views

Need general guide on how to build Linux Stream (LiS) under RedHat 6.2

Day 1 I have hit into some error, and the build simply fail, saying that there is some conflict. Thus I believe a .o file cannot be made and then result fatal error during linking, anyone have steps ...
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1answer
277 views

Scientific Linux 6.3 run evince in SELinux sandbox

I'm trying to run evince in the SELinux sandbox: sandbox -X /usr/bin/evince Unixforpoets.pdf but after waiting for minutes nothing happens, console doesn't outputs anything. So I collected the ...
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1answer
367 views

Why do I have to stop/restart cups in redhat linux in order to use a custom filter?

A colleague wrote a filter utility for me in ruby that allows me to print barcodes from a textfile. (The filter replaces @{blah} with the proper PCL and a barcode checksum character so that "blah" ...
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1answer
14 views

How to open server port on RHEL 6.6?

I am trying to open a port (tcp 27017) for access to mongodb on a newly created RHEL 6.6 instance at Amazon AWS. Following mongo docs, I did: sudo semanage port -a -t mongod_port_t -p tcp 27017 I ...
0
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1answer
18 views

How to add shared Printer on Redhat

One of the customer requested to enabled Printer Sharing between Redhat Linux Server and the Printer which is shared on one the Windwos 7 Machine. The path they provided is ...
0
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1answer
18 views

CentOS 7 very slow boot up after changing NIC

I have created a VM in VMWare esxi. I then cloned the VM, the clone receiving a new NIC along with a new MAC address. I change the IPADDR, HWADDR, and BOOTPROTO values and reboot the cloned-VM. ...
0
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1answer
18 views

rhel freezing after startup

I am new to linux. I installed rhel6 few days ago.it was working fine but today it showed notification that your gnome is missing some configuration. Now whenever i start pc it freezes at rhel 6. any ...
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1answer
41 views

Port Forward :80 and :8080 to Two Different Servers

On a CentOS 6 server with an IP address of 172.16.1.10, how can I configure iptables to route traffic destined for 172.16.1.10:80 to 192.168.1.10:80, and traffic destined for 172.16.1.10:8080 to ...
0
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1answer
29 views

Can I install ALL required rpm to run wine without root permission?

I am logged in on a redhat linux computer, and I don't have root permissions. I have tried running/installing wine on a folder using ./configure , which outputs: configure: error: X 32-bit ...
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1answer
24 views

how to update packages to current versions on the RH family of distros?

I am a amateur+ administrator (use Linux since 1993 on a number of machines (from 1 to 50)), this is to say that I never went deep-neck into gory details of the differences between distributions and ...
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1answer
36 views

RHEL7: Why does 'nmcli conn show' & 'ip addr show' display different connections?

My 'nmcli conn show' & /'etc/sysconfig/network-scripts' config files don't match up, showing just one connection/devices of each: [root@ciroc network-scripts]# ls |grep ifcfg ifcfg-enp0s3 ...
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1answer
22 views

Is there any way to install MySQL 5.1 and PHP 5.3 on Centos 7

Is there any way to install MySQL 5.1 and PHP 5.3 on Centos 7. I researched a lot but could not find any link which gives step by step procedure. Can someone please give me steps to be followed to ...
0
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1answer
43 views

Installing vlc on rhel6

As my first step downloaded vlc-2.1.5.tar.xz. after extracting ran "./configure" there comes this monster "configure: error: Could not find lua. Lua is needed for some interfaces (rc, telnet, http) ...
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1answer
87 views

`yumdownloader --source` can't find srpm on rhel 6.5

yumdownloader --source prints either No Match for argument or No source RPM found. Switching "Enabled" "1" or "0" has no effect. [vboxuser@okdemohost ~]$ yumdownloader --source gcc Loaded plugins: ...
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288 views

Dropbox doesn't work on scientific linux

Installed dropbox on scientific linux (command line only) several months ago and it has been working fine. I installed it for one user, and I control it using the CLI dropbox.py. Recently I ...