Red Hat Enterprise Linux (RHEL) is a Linux distribution from Red Hat intended for enterprise use.

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Difference between ntsysv and system-config-services

Please someone can guide the difference between: # ntsysv # system-config-services ntsysv - tune services should be automatically started, is it similar to chkconfig?
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3answers
73 views

Difference between service off and service stop?

Please can someone explain differences between service stop and service off: for example: # service httpd off # chkconfig httpd off
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4answers
294 views

/etc/rc.d what does rc stand for? [duplicate]

Do anybody have idea about full form of rc.d at? /etc/rc.d It contain scripts to is used to control the starting, stopping and restarting of daemons. But what exactly meaning of rc here, do ...
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0answers
101 views

Getting per user cpu and memory consumption statistics

Is there a way to get cpu and memory consumption statistics summaries per user the same way prstat -t on Solaris shows them? The prstat(1) utility in Solaris display has fields NPROC UserName SWAP ...
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2answers
174 views

Unix - Prevent files with specific name from being in a directory

I need to prevent users from accidentally copy/move files with a certain names into a specific directory. Is it possible ? I need to set something in directory /home/similar2 that will reject any ...
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1answer
2k views

Bridged adapter in Virtual Box - cannot obtain IP

I have virtual box with RHEL installed. My virtual box is running on windows 7 64 -bit. I configured bridged connection, but when I am restarting network interfaces, I receive following error: ...
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2answers
56 views

Grep with ERE doesn't filter lines with -v option

I'm trying to use the extended regex option in grep to filter out from files, lines that have the following format of string at the beginning of the line. any-non-space-char: * I'd assumed ...
2
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3answers
922 views

Winbind group lookup painfully slow

I am running winbind on an RHEL 6 system. Everything works fine except group lookups, so many commands (including sudo) are painfully slow. I did an strace which shows that winbind looks up every ...
2
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0answers
36 views

How to install tomcat-native without need to install development utils

I am using tomcat on a RHEL machine. When starting tomcat, i get the following warning: INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments ...
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1answer
898 views

Does docker support CentOS/RHEL now? (after 0.7 release)

As this post (http://blog.docker.io/2013/11/docker-0-7-docker-now-runs-on-any-linux-distribution/) claims that docker now have "Standard Linux support" including RHEL, but in the documents ...
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0answers
39 views

How can I prevent my USB mouse to interfere with standby, on Linux?

I am using RHEL workstation. My USB mouse interferes with standby - if I press the sleep button, the computer tries to standby, but instantly wakes up. If I remove the USB mouse, standby works. ...
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0answers
152 views

SSH Gnome Terminal Background/Foreground Colors

How can I automatically change the background/foreground color of my terminal based on the host that I SSH into? My current setup is an Ubuntu desktop running Gnome-Terminal that SSHs into a set of ...
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2answers
2k views

vmdk file too large but guest os is small

I'm facing a strange issue with my virtual machine. I have an rhel 6.1 guest os running on VMware workstation (9.0.2 build-1031769) hosted on Windows 7 Enterprise 64 bit. The size of the vmdk file is ...
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1answer
1k views

Installing openssl on RHEL 6.2

Trying to install openssl-devel on RHEL 6.2. yum install openssl-devel And i am getting this error: --> Finished Dependency Resolution Error: Package: glibc-2.12-1.47.el6.i686 (rhel62) ...
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2answers
1k views

Need to set mailx variable to specify the From address

Running Oracle Linux 5.8 (which is just re-branded RedHat EL 5.8) I must change the From address. But we have scripts that use mailx which cannot be re-written to use any extra flags, so I'd like to ...
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1answer
2k views

How to use NFS mounted storage as particular user

I have a NFS storage where I want to create and modify files from my local machine. On that NFS server there is a user with a group. But when I write a file from some local application to that ...
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1answer
267 views

RHEL6 boot.log is GBs in size

I am a novice linux user and I have inherited a RHEL6 server that is acting as a syslog-ng server. My problem is the boot.log is growing leaps and bounds from what appear to be the entries for the ...
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1answer
976 views

Ping retrieves an IP from DNS, but loses all packets

I'm working with a minimal installation of RHEL 6. When I first turned this machine on, it couldn't ping anybody. It turned out that I needed to add the GATEWAY under /etc/sysconfig/networking and ...
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1answer
851 views

Use 'find' to find and delete large files of a certain type

I am trying to find and rm -rf large files in RHEL, but what I would expect from this command that would give me purely the file directories, feeding them into rm -rf, it is not removing them. My FU ...
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0answers
189 views

Need noacpi in CentOS 6.4, not in RHEL 6.4

I've been trying to fix a rather odd problem that I've seen on our new Dell R5500 (Xeon based workstations). We want to run CentOS 6.4 64 bit on them. We did a base install which worked fine, however ...
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0answers
398 views

Adding a disk to an Amazon EC2 instance

I am using Amazon EC2 instance where I have low disk space [root@ip-10-59-143-73 ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/xvde1 5.7G 3.3G 2.3G 60% / none ...
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0answers
182 views

crash shell: any way to check if a command executed Successfully

I am automating a test using crash package. is there some thing like $? in bash shell, which can be used to check if previous command is executed success fully or not. eg : when command crash> ...
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0answers
450 views

Red Hat Enterprise Linux Qt 4.7.0 install error

I'm running a virtual machine, using VMWare Player, running Red Hat Enterprise Linux Workstation 6.4 x86_64 and I'm trying to install Qt 4.7.0 from the qt-everywhere-opensource-src-4.7.0.tar.gz file ...
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1answer
412 views

IBM SDK policy files

We installed IBM websphere on a RHEL 6 server, and it came with its own version of java. However, the encryption module on the box doesn't work, because it complains about : ...
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1answer
2k views

Network connection failed :unknown reason:

Im on RHEL, and found that my VPN stopped working. I discovered that I could use the command line utility, nmcli, to try to get more info about what was happening. However, Im finding that the ...
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3answers
9k views

RHEL6 NO Longer Supported by Google Chrome, Is there a way around it?

I'm getting an error while trying to update my Google Chrome in RHEL6. [alexus@wcmisdlin02 ~]$ sudo yum update [sudo] password for alexus: Loaded plugins: refresh-packagekit, security Setting up ...
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0answers
269 views

MongoDB PHP driver installation issue in Red Hat Linux

My server OS is Red Hat Linux. I installed MongoDB 2.2.3 successfully on my server, following this tutorial. I also tried following these instructions for installing the PHP driver for MongoDB, but ...
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1answer
508 views

How to download software for Red Hat Linux without registering in Red Hat Network

I'm new to Linux and I'm now using RHEL 6. When I'm trying to download software they force me to register on the Red Hat Network. Is there any other process to download software for RHEL without ...
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1answer
6k views

RHEL5.5 switch to CentOS repositories?

I was given a VM for a RHEL5.5 machine but I do not have a RHN subscription. I get this warning when using yum: bash-3.2$ sudo yum update [sudo] password for streamsadmin: Loaded plugins: rhnplugin, ...
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0answers
228 views

Tell yum update to given date, no later

I need to tell yum to update to a certain date's patches. For instance, let's say a test box gets updated last Thursday. The owner beats on the machine and determines the patch set is good, so I want ...
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1answer
306 views

what/where is the default yum conf and server

I have 2 new redhat hosts (Red Hat Enterprise Linux Server release 5.9). Lets call them A and B. They both run on 2 different networks. I try to run the 'yum -update' command on both hosts. Works ...
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1answer
520 views

Any pre-packaged PySide for RHEL?

I would like to install PySide on RHEL 6.3. I have found an RPM for PySide Based on my system info: [tbrannon@oc2417102872 Documents]$ uname -m x86_64 [tbrannon@oc2417102872 Documents]$ cat ...
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1answer
3k views

How do I configure sar to collect disk information (ala -d)?

When I run "sar -d" on my RHEL 5.7 box, I get the response: Requested activities not available in file How do I configure sar to collect disk information?
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1answer
3k views

What killed my process?

Been having a problem with application that keeps getting killed. This is running a RHEL5 server. We ran strace against the process and at the end of the trace file I get a bunch of +++ killed by ...
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2answers
221 views

yum: enable a disabled repository

I've found out I can use yum --enablerepo= to temporarily enable a disabled Yum repository, but I want to permanently enable a repository. Is there a preferred Yum command to enable a disabled ...
3
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1answer
9k views

Installing 32 bit glibc on 64 bit RHEL

I'm trying to install glibc-2.12-1.25.el6.i686 on 64 bit RHEL. I understand it has a dependency on the NSSRAWHASH package (I'm using the nss-softokn-freebl-3.12.9-3.el6.i686.rpm package), so I run ...
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1answer
139 views

access control list share file but not directory RHEL6

I have a file that I want to be accessible by a single user, but I don't want the user to have access to the folder it resides in. My understanding is that the following steps should work, but they ...
0
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1answer
167 views

unix_chkpw run before access.conf via pam - security risk

I have RHEL 6.3 systems that have PAM's access.conf correctly configured and running. However, it seems in a less than ideal state, after analysis of a root-hack attempt, and I'm wondering if there's ...
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1answer
3k views

How to configure Postfix mail on Red Hat Linux?

I am trying to configure Postfix on Red Hat Linux to send email with the following command: mail -s "test" user15@dba.gui.com I have followed all the steps mentioned in this tutorial and have ...
1
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2answers
3k views

Trying to install libcurl on a Linux RHEL, unable to install openssl

I am a programmer, and I am trying to give a clear sure fire way for the engineering team to install libcurl on a Linux RHEL machine. The machine already has the following installed by default: ...
1
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1answer
144 views

Running multiple vsftpd daemons with multiple PAM files

If I am running multiple vsftpd daemons on a single machine, is it possible to specify the pluggable authentication module for each one? In other words, can two vsftpd server instances run on ...
3
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1answer
1k views

How to get rid of errors when running find command in Linux?

I am using following command to list out 20 large files in a directory. But along with the file listing, it also shows error messages, such as permission denied. I tried adding 2> /dev/null but it ...
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0answers
395 views

Issue in running cron jobs in RHEL5

When I try to run cron jobs from root, I am getting the following error. I am using RHEL5. Can anyone help me? [root@localhost]# crontab -e Permission denied You (root) are not allowed to ...
1
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1answer
2k views

iptables: How to redirect port in Red Hat Linux (RHEL)?

I'd like to forward port 80 to 8080. So I tried to edit /etc/syscongfig/iptables: -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080 But got: # service iptables restart ...
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0answers
295 views

How to fix NFS V3 + TCP mount failing with 'Can't read superblock' error soon after an unmount?

Using NFS V3 and TCP!, portmapper is running. Not using iptables. Following are the options used: rw,noatime,v3,rsize=32768,wsize=32768,hard,intr,nolock,proto=udp,udp,timeo=11,retrans=5 If I wait ...
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2answers
173 views

Enterprise Redhat RHEL Server default/built-in Applications? [closed]

I'm gonna buy a RHEL Server but before i do it, i very much need to be confirmed about some built-in Applications/Softwares which will come along with, inside. Does it come along with following ...
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1answer
1k views

execvp exec format error for shell script on Red Hat Enterprise Linux 6

We have two RHEL 6 systems that are running identical versions of the kernel and glibc (glibc–2.12–1.90.el6_3.6). According to the POSIX standard and the Linux man pages, if the kernel determines that ...
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1answer
2k views

mount command times out when trying to mount between servers

I've got two identical RHEL boxes and would like to mount a directory from one to the other. my command: [me@serv_dev ~]$ sudo mount serv_prod:/my/dir /mnt/my/dir times out after a few minutes: ...
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2answers
104 views

RHEL NIC missing

I have a RHEL server with 4 NICS. I bound eth2 and eth3 as bond0. However, I don't know how to unbind the two NICs, so I just deleted ifcfg-bond0. Then I entered service network restart, and after ...
2
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1answer
60 views

Finding files matching path pattern and size criteria

I have a server (RHEL 5) with 50+ websites currently running on the same eCommerce software, today I found one of the error log files was over 3GB in size Is there a way I can find all files over say ...