Questions specifically about Linux but not specific to a particular distribution. If the question could apply to any Unix-like system, specify your Linux distribution in the body of your question but do not use the /linux tag.

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569 views

PHP mail() and Debian Wheezy Not Working

I am currently running my on debian wheezy with php5 installed. I was trying use the mail() function, and I realised that I will require a MTA/exim installed before it will be possible because the ...
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0answers
35 views

If a buggy application underperforms, it it possible server tuning could have no affect?

To set the stage, imagine if you will: A read-heavy Tomcat Application with MySQL on Red Hat Enterprise Linux with some problematic Java Class files which resulted in the application performing a ...
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1answer
62 views

how can I replace a record in my DB (mySql) by new record?

I have created a shell script to connect to a DB and INSERT IPs and MACs from dhcpd.log file: #/!bin/bash dhcpLogFile="/var/log/dhcpd.log" NumberOfLines=$(awk '/DHCPACK/ { print $8} ' $dhcpLogFile | ...
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1answer
31 views

Distro Customisation And Middleware Software Inclusion

I have been very recently introduced to UNIX/LINUX and I am overwhelmed by the sheer power. I am a CS Graduate student and for my final year project I want to make an artificially intelligent Linux ...
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2answers
571 views

How to checkpoint using CRIU on ubuntu 14?

I tried to install CRIU in ubuntu 14.04 Desktop. When I used $ sudo ./criu check , it showed Error (cr-check.c:268): fdinfo doesn't contain the mnt_id field And when I tried to checkpoint ...
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1answer
273 views

How to update Wine in Debian Wheezy?

I'm trying to run Wine with the game EVE Online. It pops out an error Error: Procedure not found. Could not load python dll However. Then I figure I'll try updating the Wine to a newer version. ...
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0answers
80 views

Using fstab File When Mounting Filesystem

I installed Arch Linux using BTRFS, but I was having issues with wifi. I have to mount the drive from the Live CD. But, when I mount using: mount /dev/sda1 /mnt/arch It doesn't use the fstab file ...
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1answer
121 views

Is there any alternative to genext2fs in RHEL?

I am tryting to make initrd file system following [this tutorial][1] My host system is RHEL 6 64 bit. I am unable to get the required command: genext2fs No rpm is available for it, neither ...
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0answers
822 views

Help with Setting up network connection in Debian 7.5.0

I'm a beginner using Debian. I've just installed Debian 7.5.0 amd netinst. When I execute apt-get update I get errors like: Could not resolve 'http.debian.org' Thus I changed the mirrors several ...
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3answers
2k views

Script to recursively check permissions and owners of a directory and write shell script to recreate them

I'm trying to write a shell script to preserve and rewrite all permissions/groups in a large directory with several subdirectories in the event they get changed or are not properly created or if ...
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1answer
125 views

Secondary bridge only working at random in debian wheezy

We are currently migrating from vmware server to kvm. So far everything works smooth, with the exception of the secondary bridge. Our network layout is as follows: Firewall with 3 ports eth0 Public ...
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0answers
981 views

How to setup proxychains in VirtualBox Guest Kali Linux

I've been following directions from this book "Kali Linux Cookbook", but I can't get proxychains to work. The OS is Kali Linux and running inside VirtualBox. The guest network is a Bridged Adapter. ...
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0answers
77 views

How Linux is implementing case sensitivity and what are its benefits over windows [duplicate]

Please do not mark it as duplicate ... I already read this post I am asking this question here because due to migration from Windows to Linux, I am facing multiple functionalities break. Linux is ...
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1answer
104 views

How can I access files of an SMB share if I have the IP?

Having the IP, under Linux how can I access shared smb files? When I type in for example: smb://192.168.0.50 I get an error message.
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2answers
788 views

Creating an iso from the virtual machine

I have openSuse installed as a virtual machine on Oracle Virtual Box, and I have configured some softwares with the way I require. I need to replicate the similar environment on a new Server (NOT the ...
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0answers
40 views

Which process scheduler is my linux system using? [duplicate]

I'm not quite sure if stackoverflow or serverfault is the forum to use for this question, but ill try here. Is there some command i can use or a file i can check in order to find out which process ...
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1answer
19 views

Where is trace_regmap_async_write_start() defined?

I am trying to port some codec code/files back to linux 3.2 and there's a function trace_regmap_async_write_start() there that doesn't seem to be defined anywhere. See here: ...
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1answer
377 views

What software should I use to create a HPC (High performance compute) cluster with CentOS 6.5 VMs locally?

I've read about Torque, Slurm resource managers and Maui, Open Grid scheduler, Sonf of Grid Engine but I do not know which is more appropriate to use in a local environment? I've also read that I need ...
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1answer
535 views

Expect script + automated telnet process between three Linux machines

Is it possible to do the following by expect script? I have Linux server that connected to linux_machine1 and linux_machine1 connected to linux_machine2 My Linux server have access only to ...
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0answers
29 views

How to use networks default gateway dynamically? [duplicate]

I want to use specific interface for specific use from different different application. I am using Ethernet, Wi-Fi and 3G modem interfaces in my embedded Linux set-up. Now my set-up is up with ...
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votes
1answer
2k views

where does history timestamp stored before i enable it

I tried to set timestamp for history. My first attempt was do export EXTENDED_HISTORY=ON command, and it seems like doesn't work. Then i do echo 'export HISTTIMEFORMAT="%d.%m.%y %T "' >> ...
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1answer
155 views

How to select which OS kernel to upgrade when multiple OS'es are installed?

I am trying to upgrade my kernel on a machine with multiple OS'es. I have a Red Hawk OS (a real-time Red Hat variant) and Red Hat installed. I can select which OS to boot into using grub. I'd like to ...
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0answers
197 views

How to get the name of the last mounted/unmounted filesystem

I'm know I can monitor (using poll, or select) on the files /proc/mount or /etc/mtab and findout WHEN a filesystem is mounted or unmounted. Also I can use getmntent for getting a list of mounted ...
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2answers
951 views

How to add Ip Aliases with Two Gateway on same nic Centos

I have 2 allocated address range, example 10.10.12.25/28 10.12.12.24/28 How to add Ip Aliases with Two Gateway on same nic with Centos?
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0answers
100 views

RHEL Linux 6 teamviewer 9 upgrade error

I had teamviewer 7 installed on my server RHEL 6, but I wanted to upgrade it. I downloaded the latest rpm teamviewer 9 en from here and upgraded it, now my server X window system won't start up. ...
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votes
1answer
581 views

Do I have to compile the kernel every time, even for a small change?

In my project I configure the kernel (2.6.32) in block/ioctl.c. We all know that kernel compiling and building takes few hours. Even for a small change, I'm compiling from scratch. So is there any way ...
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1answer
155 views

Bash code runs correctly when it is executed in terminal but does not work properly when executed using udev

I am trying to move various files present in a pendrive into their respective folders on PC. ie ,Music files into music folder,text files into Documents and so on.. I have written a script for that ...
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0answers
138 views

Running NFS server as ver 3

As NFS docu stands it is possible to run NFS serwer ver 4 as ver 3 from the boot. Just it is necessery to add such entries in /etc/defaults/nfs file: NFS_SERVER_VERSMAX=3 NFS_SERVER_VERSMIN=3 I ...
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1answer
137 views

searching for sysvinit in a linux tree

This is the tree for petalinux. https://github.com/Xilinx/linux-xlnx/tree/xlnx_3.8 I am looking for sysvinit package,which contains things like init ,halt etc. When this source code is compiled we ...
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0answers
601 views

has someone fixed libssl.so.1.0.0 undefined symbols'SSL_load_error_strings' issue or know how to fix

looks like there's a broken libssl build which is missing items python CGI needs to work. I'm getting this error ...symbol SSL_load_error_strings, version OPENSSL_1.0.0 not defined in file ...
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1answer
235 views

wget failing when I enter variable name in command

I have a small bash script to download a file from my webserver. I pass the $File variable through the command line and then insert it into the wget command as follows: File=${1} wget -a ...
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votes
1answer
373 views

Shrink/reduce non-lvm disk file system

I have an vmware ext4 file system that non-lvm, non-partitioned file system that resides on a virtual 300GB disk. In other words, there is no partition and the file system was probably created by: ...
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0answers
63 views

Citrix printing problem on centos - hp

I have setup Centos 6.3 - 6.5, installed wine and running Citrix app. I can print perfectly Wine based apps (i.e. wine notepad) but when printing Citrix through wine it is printing ASCII characters. ...
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0answers
25 views

How to copy remote files to local if you don't have permission on the remote directory? [duplicate]

We have a Linux Server where our site is hosted. The server is a tomcat server and I want to access the logs located at /var/log/tomcat7. I wanted to tail the logs of the remote server. First I did ...
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0answers
2k views

How can I enable framebuffer in Debian

How can I enable framebuffer in Debian console? This is what I've already tried: Add the following lines to the "/etc/default/grub" file: GRUB_GFXMODE=1024x768 GRUB_GFXPAYLOAD_LINUX=1024x768 ...
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votes
1answer
2k views

Debian and Systemd: breaking ordering cycle error

I'm a new embedded developer I'm trying to make systemd 37 work with freescale vybrid board (A5 and M4) running on linux-3.0 After boot with some breaking ordering cycle error, I check with ps ...
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0answers
1k views

How to fix startx on Arch Linux on Raspberry pi?

I have a problem when trying to use the command startx. It comes back with /usr/bin/x error while loading shared libraries: libgcrypt.so.20: cannot open shared and then says that it is giving ...
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votes
1answer
460 views

setcap fo rhel5

A quick question , I am not able to find much info to run setcap on rhel5 . I searched few packages in my system # yum install libcap Loaded plugins: product-id, security, ...
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0answers
197 views

sshd without pam slower

I am running OpenSSH_6.5 with UsePAM yes in my board. I have observed that with UsePAM no in /etc/ssh/sshd_config, sshd runs slower than previous case. How is this possible? My understanding is ...
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votes
2answers
886 views

System too slow [closed]

My linux system is responding very slowly.I should wait to get the result of my command. How can i investigate to know the problem of his behavior?
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votes
2answers
214 views

UDP sending two strings in a datagram

I'm wondering if its possible to send two strings within one datagram in a UDP packet. Assume I had string 1 with text: unix and string 2 with text: linux. I don't want to merge the strings but keep ...
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0answers
2k views

Why does my USB device not get recognized by Ubuntu?

I seem to have a problem that no else appears to have encountered before (at least a couple of hours Googling has shown this to be the case). I am running Ubuntu 12.04. I plug in the device (Linksys ...
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votes
3answers
156 views

iptables rules - input and output

I'm new with Linux and iptables. I have a Ubuntu Server distro (12.04) on a PC which has 2 network interfaces (eth0 and eth1). I also have 2 laptops, one is plugged to eth0 and the other to eth1. ...
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0answers
57 views

configuration of apache on sunfire v880 runing solaris 10

I am runing SunOS 5.10 on Sunfire v880 for my project but I can't run the Apache which is already installed. I have tried svcadm enable apache but it says that apache is not a known service. How do I ...
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0answers
351 views

Which getty should I use for /dev/tty1 - tty6 text consoles in linux, agetty or something other

I'm configuring LFS linux and I want to select right "getty" for /etc/inittab to handle text consoles /dev/tty1 - /dev/tty6 (the text consoles handled by linux kernel, with output on first display). ...
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votes
1answer
533 views

Authentication failure for FTP server [duplicate]

I followed this link to install ftp server. And also added ftp user(ftpuser) and also added ftp password(1234567). But when I am using this password in any wordpress site or any ftp software such as ...
0
votes
1answer
394 views

iptux Installation causing error

I'm trying to install iptux in CentOS by using yum install ip* it causes the following error --> Finished Dependency Resolution Error: samba4-winbind conflicts with ...
0
votes
1answer
574 views

Linux Mint Booting Installed Partition [duplicate]

Recently, I decided to install the loved Linux Mint. I made sure I had space for a partition, and installed it. I am currently on the "trial" part, where it has "Install Linux Mint" on the desktop. I ...
0
votes
1answer
51 views

rpm query does not give complete provided capabilities (commands)

For example, I know /usr/sbin/agetty is provided by the util-linux package with the following command: $ rpm -q --whatprovides /usr/sbin/agetty util-linux-2.24.1-1.fc20.x86_64 Then I would like to ...
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0answers
25 views

Anyway to save Boot Prompt PassPhrase in local file for fedora20

fedora20 is installed with harddrive encrypted. it is installed by the kickstart file. but it is still asking for Pass Phrase before booting. Is there anyway that pass phrase can be saved in local ...