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

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2
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50 views

RHUI 2.1 Error Downloading the repo

We are facing this error on RHUI when downloading the repo. unable to find any solution on Red Hat site there is one link which guides us to edit some file for proxy settings. but we done have any ...
0
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1answer
33 views

custom shutdown script in rc6.d does not seem to be working.

I'm working with a software application that's a bit touchy so I wan't to shut the software down automatically on reboot or shutdown. I have created a script an placed it in /etc/init.d/ with a ...
0
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0answers
36 views

awk + how to manipulate awk output

The following awk command prints the results from services file # awk '{print $2}' /etc/services 48002/tcp 48002/udp 48003/tcp How can I manipulate the output so it prints the "service file" ...
0
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1answer
29 views

compiling rpm 4.11 for RHEL5

I am trying to compile rpm 4.11.2 on RHEL 5 machine. When I do ./configure it gives error . . checking for nspr.h... yes checking nss.h usability... yes checking nss.h presence......
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0answers
19 views

Prevent loop device partitions from being detected

I'm moving a work project from RHEL 6 (Kernel 2.6.32) to RHEL 7 (Kernel 3.10.0). The project involves the building of a raw disk image files to be used on virtual machines, these are representative ...
0
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1answer
30 views

AIX lquerypv equivalent in Linux (RHEL/Cent OS)

In AIX we can view raw data of hdisk by issuing following comamand lquerypv -h /dev/hdisk0 This displays data in hexa decimal format. More of like hex editor. What is the equivalent command in ...
1
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1answer
20 views

Linux + iptables fallback

I want to enable the routing VIA tcp from port 770 to port 7714 iptables -t nat -A PREROUTING -p tcp --dport 770 -j REDIRECT --to-ports 7714 . so I get the following: iptables --table nat --list ...
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0answers
51 views

RedHat:how to make system read /etc/sysconfig/clock settings without restarting system

In legacy red hat enterprise linux system which do not provide hwclock, I am changing UTC value in /etc/sysconfig/clock and when I check in /etc/adjtime this value is not reflected with expected value....
3
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1answer
22 views

White-list certain binaries and scripts inside a noexec/nosuid mount?

Just like the question. Is it possible to white-list certain executables from a noexec mounted FS? for instance, mine looks like this: /dev/vg/lv on /tmp type ext4 (rw,noexec,nosuid)
1
vote
1answer
50 views

egrep doesn't work as expected on SunOS system

Here is what I want to achieve on SunOS: Only pattern like [text_text=text], [text=text], [text] or text are valid patterns, where by text I mean anything in 0-9,a-z,A-Z, space, newline, tab, enter. ...
0
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1answer
27 views

set swap space to 0 on RHEL for testing

I have tried to change the swappiness to 100, and used the malloc() code in order to set the swap to 0 on my rhel system But this not seem to be helpful . The system memory allocation looks like this :...
1
vote
2answers
73 views

Is firewalld the same as iptables?

I tried to close iptables on RHEL 7.2 using chkconfig iptables off error reading information on service iptables: No such file or directory tried /etc/init.d/iptables stop too, got -...
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0answers
19 views

RHEL 7 Install - Main partition taking up entire allotted space + other problems

I hope this is the proper place to ask RHEL questions, I have already asked on the RHEL discussions area and have not gotten any replies after a week of posting. I am having a few problems in setting ...
1
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0answers
11 views

Adding fcontext to unconfined application

This feels like the most horrid twist of fate ever... A user is having me setup tomEE (apache-tomee-jaxrs-1.7.4). This is on a RHEL6 machine. I've installed from the tarball available from apache's ...
2
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0answers
23 views

How to shrink sda disk with XFS filesystem

We have a RHEL 7 server with 2 disks (sda and sdb). Our /, /var/log and swap are on sda, /var is on sdb. We use LVM and XFS. sda is too big (160 GB) and we would like to shrink it to 40 GB. We can ...
1
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0answers
31 views

What does TCPRcvCoalesce, TCPAutoCorking and TCPHystartTrainCwnd in netstat mean?

We have some RHEL7 Apache reverse proxies that experienced a performance degradation event. After a few hours, restarting Apache restored performance to normal levels. We are trying to determine the ...
0
votes
1answer
24 views

Find all file details in a `Logical Volume`

I'm using lvs and vgroot-lvroot (mounted on /) is getting full. I wonder which files are located on vgroot-lvroot, so I can delete some to free vgroot-lvroot. I tried to use du, but found sum of the ...
3
votes
1answer
95 views

Filesystem still showing the old value after reduction in linux, however showing the correct value in LVM

We have a task to resize the filesystem from 8T to 7T which is in LVM. We have given resize2fs command, while the command is still being run we have got the error "Write failed: Connection reset by ...
1
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0answers
23 views

Realtime Scheduling and hanging processes

This may be a "you are dumb" question, but at this point I'm hoping for just a new avenue to look down. We run some software on various systems at realtime priority (SCHED_FIFO, Priority: 99) To hit ...
0
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0answers
29 views

add 10G fiber NIC however not able to see it go to up state

I have added a 10G Intel PCIe card to my Linux machine. I have connected both sides of the cable and the remote side comes up when I plug the cable into my linux machine and goes down when I remove ...
0
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3answers
28 views

Does it matter if I'm root or not when installing apache?

I need to install a LAMP stack on a RHEL 6.7 server. Do I have to be root to install this or not?
0
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1answer
29 views

yum - separate proxies connection to non proxies

On my RHEL7 server, I have: RHEL repositories on a local server Other repositories on the net (EPEL, etc) When I run yum, I would like to use my proxy server only for external repositories (or for ...
1
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0answers
11 views

GNOME-SHELL tray with several rows

How can I make the tray use several rows, not just one? Using RHEL7.2
0
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1answer
29 views

redhat + how to find the oracle JRE version 1.7 from redhat site

I am searching the JRE 1.7.x version from red-hat site by yum command bot not find anything yum list | grep java | grep "1.7" | grep -i jre no such patch or maybe redhat not hold JRE 1,7 ...
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0answers
17 views

Creating an user to access a specific director with just exec permission in Redhat

I am trying to create an user that I can access an specific folder and give this user just the execute access to a .sh script into REDHAT So I've created the user and set that user to the folder but ...
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0answers
26 views

Oracle 11g installation - unable to open display error (red hat 7)

I'm installing Oracle 11.2 client in a Red Hat 7 machine but I'm stucked in this step: xhost fully_qualified_remote_host_name The error that appears is the following: unable to open display ":0.0" ...
1
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0answers
18 views

HA Cluster LUN switching without failure [closed]

It's very strange to see this a commonly used HA Cluster having problem, I have configured HA cluster on 2 server with 1 storage LUN, which is switching automatically without failure. I am unable to ...
0
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0answers
20 views

Error during RHEL 7 installation

I am trying to install RHEL 7 on ThinkPad Edge E431 which has a touch screen. I get an error: in hid_mutitouch ....fault : -1 And the system is goes into an emergency mode. How can I complete ...
0
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0answers
23 views

Identifying cumulative patch version in Jboss

We are trying to identify the patch level that is applied to our Jboss servers. For Jboss 4, the information is available in boot.log as follows 09:44:51,674 INFO [Server] Release ID: JBoss [EAP] ...
0
votes
1answer
79 views

Bash script as bin file installer

I have a package that comes in 2 parts - a bin file and digital certificate. This is to be distributed out to Linux sysadmins to install on RHEL systems in the enterprise. The bin file has various ...
1
vote
1answer
47 views

linux redhat + change time from UTC to GMT+X

how to change the time from UTC to GMT+2 my current date is UTC as the following 20:23:48 root@linux-test01:~ # date Sat Apr 16 20:23:52 UTC 2016 and I want to change it from UTC to GMT+2
0
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1answer
54 views

why resolv.conf is changing

I have a very strange issue in my Linux machine - Red Hat 6.7 version when I update my resolv.conf file as the following: options attempts:2 options timeout:1 search usa.Pe.corp tedcruz.usa.fb....
1
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1answer
41 views

How to unmount a nfs or ntfs when a NAS is not reachable?

I have this environemnt: Redhatlinux Enterprise on fstab a NAS mounted as NFS yyyy.xxx.com:/vol/yyyy_nec_nosnap12/prod_data on /prod_data type nfs (rw,bg,addr=x.y.z.w) when the NAS doesn't reply (...
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0answers
22 views

Ubuntu trusty format disk slower than RHEL7?

I observed that disk formatting is much slower in Ubuntu than in RHEL7. Does anybody know why that is? EDIT: Forgot to mention, I'm formatting the disk with ext4. Using mke2fs
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2answers
39 views

RHEL Network Interface not restarting

RHEL 5.11 I run the restart command: /etc/init.d/networking restart Then it just sits there until I have to force quit: 15:09:11 # /etc/init.d/network restart Shutting down interface bond0: ...
0
votes
1answer
52 views

What version of CentOS is equivalent to Red Hat 9.x?

I want to use CentOS. I was used to Red Hat 9.x but now I'd like to use CentOS. But I don't know what CentOS version is equivalent to Red Hat 9.x?
9
votes
2answers
837 views

Why does “man” command disappear?

I find man command disappears on my RHEL7: # man ls bash: man: command not found... # which man /usr/bin/which: no man in (/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/usr/local/go/bin:/root/...
0
votes
3answers
108 views

Puppet doesn't ignore whitespace

I have an entry that may or may not appear in /etc/rsyslog.conf: # Added for Kiwi *.err;*.emerg;*.alert;*.warning;*.debug;*.notice;*.crit;*.info @10.19.24.50 Since some of these servers ...
0
votes
2answers
43 views

remove log files

I have a folder which in turn contain multiple sub-folders. All of these sub folders have a log folder. How to clear all the log files alone from all the log folders in these sub-directories using a ...
0
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0answers
83 views

Can't change the root password from single user mode

I have redhat 6.x version I am trying to change the passwd from single user mode but I get the following passwd root changing password for user root passwd: permission denied then I try to ...
0
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0answers
30 views

redhat + never get the passwd prompt when login

after Linux installation version 6.x we boot the machine and when we type on login prompt the login word the login prompt return again, and again after we type the login name so we never get the ...
1
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0answers
24 views

Invalid script entry point, A callable suffix is required

I'm trying to install btrfs-sxbackup on RHEL7. It says: Installation: pip install btrfs-sxbackup Required: python3 I installed python34 from epel. There's no pip for it, so I installed it, ...
0
votes
1answer
80 views

TeXstudio rpm install: QT dependencies (e.g. libQtGui.so.4)

I'm trying to install TeXstudio on a Scientific Linux 7.2 machine with an rpm. My problem is, that I'm missing the following dependencies: # rpm -ivh texstudio-qt4-2.10.8-6.1.x86_64.rpm warning: ...
0
votes
1answer
73 views

Ctrl + Alt + Del and F keys Using Telnet

I only have serial access to a server, and I am trying to access its BIOS using telnet (it's not a direct serial, but a remote serial connection). My telnet certainly reaches the server, as I can ...
0
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0answers
24 views

sudo not working on two systems, but runs on remainder of the networked systems

This question is about sudo implementation and I was unable to find a similar question here in the forums. I'm running Redhat 6.6 on my network of 14 servers and 8 workstations. On the primary NIS ...
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0answers
55 views

how to Increase VM disk without reboot on Linux redhat 6.x + LVM

I increased the second disk in VM machine from the VSphere client GUI as the following: By right click on the machine --> edit settings --> hard disk2 --> increase the disk from 1G to 2G Then I ...
0
votes
1answer
32 views

Cannot mount newly created Logical Volume

I try to create a Logical Volume under an existing Volume Group but I cannot mount the new LV due to error: "Bad magic number in super-block while trying to open": [root@host-xxxx ~]# df -h ...
2
votes
1answer
70 views

Blocking a specific external IP:Port connection in RedHat?

I know that in RedHat, in the IP tables I can block incoming connections to a local port. I can also block connections from a specific IP. But is it possible to block a connection from a specific IP ...
0
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0answers
97 views

How do I use php-fpm on RHEL 7.2?

I've already asked this on Stack Overflow but received no response, so I'm trying my luck here. I'm new to configuring Apache and I'm trying to optimize my Apache server. Reading through the ...
0
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0answers
34 views

Installing Plone 5-on-RHEL 7-fails-unable-to-find-libssl-or-openssl-ssl-h

sudo ./install.sh --target=/home/admin/Plone --build-python zeo Error: Unable to find libssl or openssl/ssl.h. libssl and its development headers are required for Plone. Please install your ...