Tagged Questions
0
votes
1answer
35 views
Prevent users from being able to pipe output to another users terminal?
So currently on this server if two people are logged into the same server, you can do something like:
-bash-4.1$ cat /dev/urandom | write username
It will print a bunch of junk to their terminal. I ...
0
votes
0answers
17 views
Red Hat Gnome menubar disappeared
I'm using Red Hat Enterprise Linux 6.4, and the menubar has disappeared, as you can see from this screenshot. I'm not sure which setting I modified.
I've removed .gnome config from my home ...
0
votes
0answers
10 views
Redhat cluster not working [migrated]
I have 2 services "Cache" and "Postgres" running in cluster for 2 linux server nodes:
Member Name ID Status
------ ---- ...
0
votes
1answer
26 views
Fedora 18: Can not find version.h
I am attempting to install some ATI graphics drivers. The installer fails and the log says this:
Check if system has the tools required for installation.
fglrx installation requires that the system ...
3
votes
1answer
108 views
How to find out why available disk space is decreasing every day?
I have a CentOS web server which does not have much load on it. I noticed that its available disk space drops by more than 100MB every few days.
There isn't any new software installed, however there ...
-5
votes
1answer
36 views
Server doesn't run after reboot [closed]
I just rebooted the server, but doesn't go up anymore.
What can be the problem?
Server is RedHat and i used 'reboot' command from root ssh.
-1
votes
2answers
36 views
Unable to connect to Internet in OEL5 guest even though I can ping machine from host machine
I have Oracle Enterprise Linux 5 as Guest on VirtualBox running on Windows 7 host using Bridged Network.
I have being trying to configure a static IP on OEL5 VM Guest at work, as previously the VMs ...
0
votes
1answer
20 views
Installing a CPAN module using a remote compiler
I need to install the XML::Parser module. Unfortunately, that package uses expat. Due to security concerns, I am not allowed to install the dev package of expat. making the CPAN Module fail to ...
0
votes
1answer
26 views
After renaming system with hostname, mails sent no longer show correct domain
I have a RH server that I renamed a few days ago from XXXX to YYYY. Previously email sent from the server would be sent from username@domain.com. After using hostname to rename the server, they now ...
1
vote
0answers
21 views
Error compiling and installing mcrypt from source
I'm hoping someone can help shed some light on my current issue.
Scenario: Installing libmcrypt, mhash and mcrypt from source in order to compile PHP5.4 with the mcrypt extension enabled.
OS: ...
0
votes
2answers
59 views
redhat 5.4 too slow on my hp Elitebook 8440p
I installed RedHat Enterprise 64bit 5.4 on my hp Elitebook 8440p however the performance is disturbing. When I am typing, the computer seems to hang and repeats some keys. I also note that coping ...
0
votes
3answers
80 views
Machine needs F1 key to reboot, how to skip this?
Each time the machine (Linux, RHEL) reboots, it waits for F1 key to be pressed in order to continue the boot process. How can I skip this ?
These are the message :Node3 DRAM uncorrected ECC ...
0
votes
0answers
66 views
how to dual boot Redhat and ubuntu on using different partitions
I want to dual boot my laptop using RedHat and Ubuntu in different partitions.
My hardisk contains the following partitions:
/boot ==> redhat boot partition 300MB
/SWAP ===> 8GB
/ ===> ...
0
votes
1answer
44 views
Commands for reporting media file metadata info on a linux(Red Hat) machine
All,
I have a shell script running on MAC OSX that uses mdls command to report metadata information about media files (mp3, m4v, mp4, m4r etc.). I have to write a similar script for a linux ...
0
votes
1answer
308 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 ...
0
votes
1answer
68 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 ...
0
votes
1answer
94 views
Cannot switch to jenkins user redhat linux
I have a redhat linux server running jenkins. I setup jenkins as per the instructions mentioned here https://wiki.jenkins-ci.org/display/JENKINS/Installing+Jenkins+on+Red+Hat+distributions The problem ...
-1
votes
2answers
79 views
Is it possible to use yum to install a RPM file in Red Hat Linux?
Is it possible to use yum to install a RPM file in Red Hat Linux?
Since I don't have the Internet access from this Linux I can not do wget and follow the process.
So all that I have now is a rpm ...
0
votes
0answers
120 views
How can I use sar to track processor and memory usage?
I'm running some load tests on a application hosted on one of my server and I wanted to track the processor and memory usage over a period of time e.g. 30 minutes.
I've read that I can do this with ...
0
votes
1answer
68 views
hide pid when a process is launched in background
So I put this command vncconfig -iconic &, this causes vncconfig window to launch and terminal will display like [1] 13488. I want to hide this pid info.
That is, when we put the command, only ...
2
votes
2answers
51 views
How can I register my app to the “service” command?
On RedHat EL 6, many services can be started and stopped on the command line:
service some_service start
and
service some_service stop
I have packaged a Node.JS server application in an RPM. How ...
0
votes
1answer
81 views
PPTP daemon client cannot download full web pages
I have a PPTP daemon V1.3.4 running on a CentOS server.
My client connections come from both Linux and Windows machines. When PPTP connection is active, the clients are unable to download full web ...
0
votes
1answer
56 views
Linux Redhat kernel source installation? [closed]
I downloaded my kernel source rpm version, uname -a, from the ftp.redhat.com site. When I installed the rpm it put it in ~rpmbuild. In the past didn't it put it in /usr/src/redhat? Did this change? ...
2
votes
2answers
33 views
How to find rpm binary of a given process?
Here is the problem: I'm trying to find what cron software is running on my machine, however question applies to any generic process. One way to do it is:
Find the process
ps aux |grep cron
Find ...
0
votes
1answer
37 views
Yum install for users on small network
We have a small network of 15 users. I need to install some new libraries using yum on all computers on the network. I already have a csh script which allows me rsh onto all computers on the system so ...
3
votes
2answers
121 views
explanation about du command linux diskusage
What is the difference between these two:
du -h --max-depth=2 /usr/* | sort -nr | head -n 20
And:
du -h --max-depth=2 /usr/ | sort -nr | head -n 20
I would like to display the 20 biggest ...
7
votes
1answer
169 views
Identifying lost physical memory
I am having issues with a server running out of physical memory and I'm having troubles discerning whether it is from my application's Java process or something else on the server. Let's take the ...
0
votes
1answer
274 views
configure rsyslog server to log incomming messages with time of the rsyslog server
I would like to configure our rsyslog server to drop the timestamp of the incoming messages and replace them with time from the rsyslog server.
Reason for this is that we have some system that don't ...
0
votes
2answers
271 views
Disable the screensaver in Red Hat
I am using Red Hat Enterprise Linux WS release 4 (Nahant Update 2).
Please help to disable the screensaver.
1
vote
0answers
112 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 ...
0
votes
1answer
343 views
How to Disable IPv6 on RHEL-5
I am trying to disable IPv6 on interface eth0 on RHEL 5.
Here is a description of what I have attempted.
I had already made following entries in ifcfg-eth0 :
IPv6INIT=NO
IPV6AUTOCONF=NO
Following ...
-1
votes
2answers
75 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 ...
0
votes
0answers
29 views
xinetd resource cost
We're configuring a new environment for our web servers. In order to run the instances as a non root user, we need to use ports above 1024. The way we have done this in the past is to use xinetd to ...
2
votes
1answer
137 views
How do I change the default python version in Red Hat 6?
I've recently installed Enthought Python Distribution, after which it gave me the message:
As the last step, you should edit your .bashrc or prepend the EPD install path:
...
0
votes
0answers
60 views
What's a useful website for finding low-power computers? [closed]
I'm trying to find a computer that produces very little heat or noise. There's a complication, however: it needs to be an x86 processor. (Atom is known to not work with the tools I'm using.) I'm ...
0
votes
0answers
66 views
screen reports 'Error opening logfile screenlog.0' when Ctrl-A H is pressed
I start the screen with this command in my home directory. The OS is RHEL4.
screen -L
When I hit 'Ctl-A H', I got the Error opening logfile screenlog.0: permission denied.
I expected screen to ...
3
votes
4answers
220 views
How to suspend the Linux system for a specific period of time remotely?
I'd like to suspend or hibernate my RedHat 5 Linux system for a specific period of time. For example I'd like to suspend the system at 12:00 and wake it up at 15:00 remotely.
Is there any way to do ...
2
votes
2answers
136 views
FTP client with “master password”
I'm searching for an FTP client that has a "master password" function.
So all the password stored in the FTP client software is encrypted, and if I start the FTP client it asks for a master password, ...
1
vote
1answer
110 views
Red Hat shell: less command is always executing .tcshrc
I have a small issue with less command (this is happening only on Red Hat). Any time I use it is executing the .tcshrc. There is no alias defined for less. I have one machine running Red Hat and one ...
0
votes
2answers
215 views
redhat linux 6 / disk space at 100% after delete and reboot
Using df -h and du my disk space show 100% all the time. I have deleted at least 2GB of files and I rebooted the server. I thought that will fix the issue as the server came up just fine. However, it ...
0
votes
1answer
180 views
Access Ubuntu Host Files from RHEL installed on Virtual Box
Im trying to access Host files (Destop Folder) from RHEL installed on Virtual Box.
First I Shared a folder from menu bar of VirtualBox.
Then I make a directory in /Media/ubuntushare
Then I tried to ...
0
votes
3answers
1k views
yum update fails
i have RHEL 6.3
[root@RHEL6 yum.repos.d]# uname -a
Linux RHEL6.3-64-BuildMac 2.6.32-279.el6.x86_64 #1 SMP Wed Jun 13 18:24:36 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux
My /etc/yum.conf looks like ...
1
vote
0answers
709 views
Squid cache access denied
I'm trying to create an anonymous squid server.
I've installed squid with with yum install squid
Here's my /etc/squid/squid.conf file:
#
# Recommended minimum configuration:
#
acl manager proto ...
2
votes
1answer
439 views
Finding CPU utilization past 2 months in Linux
I am trying to figure a way to get the CPU utilization for the past 2 months. I have tried to use sar. What I found with sar is that you can collect and report CPU utilization with it and it is ...
1
vote
1answer
3k views
How can I install software in Linux with no yum and no wget?
I'm a newbie to Linux (that mainly uses Windows and Mac OS X) needing some advice.
I was trying to install git on a Linux machine today, and encountered some problems:
Not knowing the version of the ...
0
votes
4answers
126 views
Installing softare on Linux
I'm trying to install the GMP package on Redhat 4, x86_64. The package can only be installed using make, which is not available and should be installed with apt-get/yum, but I don't have either one of ...
0
votes
1answer
272 views
sudo/su command for Red Hat Server 5.4
Without going into too much detail, I need to execute one linux command on redhat with root user access. Red Hat Server 5.4 does not recognise the sudo command.
The command su can be used to switch ...
2
votes
2answers
1k views
How to get back the deleted folder and its content on a linux server?
I am using a linux (red hat) server and contents gets updated using CVS. A folder was not in CVS and it got deleted/replaced by another content after I run an update. How can I get the deleted content ...
0
votes
0answers
306 views
redhat yum doesn't work
I'n new to Linux and I'm learning on LINUX heartbeat. I'm trying to do "yum install heartbeat" which gives me an error like below:
# cat /etc/issue
Red Hat Enterprise Linux Server release 5.8 ...
0
votes
0answers
19 views
what is the exact command to Restart a redhat linux system via ssh? [duplicate]
Possible Duplicate:
what is the exact command to Restart a redhat linux system?
I want to restart the Linux (Redhat server 6.3) System via ssh. I am accessing the remote machine via Putty.
...
