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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2
votes
1answer
12k views

libc.so.6(GLIBC_2.14)(64bit)

Installed: glibc-static.x86_64 0:2.12-1.107.el6_4.4 glibc-utils.x86_64 0:2.12-1.107.el6_4.4 Dependency Installed: fontconfig.x86_64 0:2.8.0-3.el6 ...
2
votes
2answers
42 views

How to defend against a Live USB computer hack

A Linux installation can be simply hacked by using a live USB/CD, gaining root access on the live distro, chrooting to the target filesystem and running passwd root. One can use grub too. There may be ...
1
vote
1answer
43 views

how to disable access time settings in Debian linux

Performance Best Practices for MongoDB implies that: Most file systems will maintain metadata for the last time a file was accessed. While this may be useful for some applications, in a ...
0
votes
4answers
161 views

Where is .bashrc file found in Linux?

I am not finding my .bash_login and .bash_profile root@linux:~# locate .bash* /etc/bash.bashrc /etc/skel/.bashrc /etc/skel/.bashrc.original /home/noroot/.bashrc /home/noroot/.bashrc.original ...
0
votes
1answer
24 views

How to rotate log files [on hold]

i have made a script to zip my log file but by mistake both file is there in directory original and zipped. so is there any command can be used so that i can remove the original file only in one ...
2
votes
1answer
16 views

Taking a clone of a customized RHEL server hosted in a data center remotely

We are planning to upgrade OS to RHEL 6.6 on all our servers. All our servers are located in a data center. We have to follow a repeated process of installing application stack, securing, hardening ...
4
votes
1answer
1k views

One host, two virtual machines that cannot ping each other. How to solve

We have Virtual Machines operating within the KVM environment. We setup one as a dev server running Apache etc., and the other as a Windows development environment. The two environments are setup ...
1
vote
1answer
18 views

tuned on fedora 22 - setting different alpm policies for specific devices

I'm trying to configure alpm to max_perfomance on my system disk, medium_power on my data disks and min_power for backup disks. I tried various variations in tuned.conf but the result is that the last ...
0
votes
1answer
27 views

How to do doxygen documentation?

My boss told me do documentation in doxygen and i am new to it. i did google and found you can do codes documentation in doxygen, but what about Details and text documentation which doesn't has codes. ...
0
votes
1answer
18 views

Linux Mint on USB - mtab is a folder, not a file

I just installed Linux Mint Maya (13.2) onto a USB stick with uNetbootin (http://sourceforge.net/projects/unetbootin/). The install seems to work ok, and has a "persistence" partition which allows ...
0
votes
0answers
12 views

NVidia drivers and Linux distributions for Dell notebooks (Optimus techonoly)

I am trying to install NVidia drivers for CUDA in my Dell Notebook (Vostro V14T-5470-A50) with a NVida GTx 740M. My linux distribution is Ubuntu 14.04 LTS. The problem is that the screen freezes just ...
0
votes
0answers
9 views

How do I install and configure Graphics drivers on SliTaz Linux

How can I install graphics and other driver on linux slitaz lspci | grep VGA Result 00:02.0 VGA compatible controller: Intel Corporation 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics ...
1
vote
1answer
16 views

Building RPM results in nothing generated in RPMS directory

I am building a RPM on RHEL. After following https://fedoraproject.org/wiki/How_to_create_an_RPM_package, I put my front.tar.gz in /rpmbuild/SOURCES, and make the spec file like this: Name: front ...
0
votes
0answers
7 views

FATAL: ThreadSanitizer can not mmap the shadow memory (something is mapped at 0x2ba33adb9000 < 0x7cf000000000)

I am trying to use thread-sanitizer functionality in my code .For doing so I have used following script : g++ -Wreturn-type -fmessage-length=0 -std=c++11 -c -O2 -fno-strict-aliasing ...
0
votes
0answers
9 views

Is there a key binding to switch to “last” workspace in mint 17.2?

Mint 17.2, Cinnamon. I use dconf editor to set up my hot keys to switch between workspaces. Here is the relevant portion of my workspace key bindings: What I want is a key binding that switches ...
1
vote
0answers
58 views

Which boot loader is commonly used on Linux distributions and why?

I have been using Ubuntu on my local machine and occasionally running Debian and other Linux distributions for experience. Until recently I thought Grub2 is far common, but that was misleading. While ...
-1
votes
0answers
32 views

Python, C or C++ for Linux admin [closed]

First of all this is the first time for me to ask a question and I'm not sure exactly if its in the right place as I can't find a place for what I've, if it's not the right place then please guide me ...
2
votes
0answers
9 views

pppd issue over serial cable

I'm trying to set up a ppp connection between 2 computers via serial cable, to enable TCP/IP over serial. Computer1 -> USB-Serial Converter -> Serial Cable -> Serial port of Computer 2 On computer ...
0
votes
0answers
26 views

Arch Linux Boot Halts on “Started Authorization Manager.”

I was using Arch Linux on my laptop, and during the shutdown procedures there was something making it wait and during that time my laptop ran out of batteries. Now when I try to boot it halts. This ...
4
votes
2answers
939 views

Benefiting of sched_autogroup_enabled on the desktop

I am running a 2.6.37 kernel with sched_autogroup_enabled set to 1. I am not certain that I am seeing the benefits of this patch since: I am launching my applications from the desktop; applications ...
2
votes
1answer
740 views

ifconfig ethernet (eth0) no data flow

Hello this is my ifconfig output: eth0 Link encap:Ethernet HWaddr 50:46:5d:44:5e:fe inet addr:10.0.0.6 Bcast:10.0.0.255 Mask:255.255.255.0 inet6 addr: ...
0
votes
0answers
26 views

Detect when sdcard removed

I'm working with a small Arm board (Emtrion) running Debian Linux. Emtrion has provided an sdcard image that can update the boards flash. I would like to extend the simple update script, so that when ...
0
votes
1answer
616 views

How can I see settings of the email server?

I have root access to a Linux server (CentOS 5.10). I want to see the email server's settings such as whether SMPT is working, wheter there is an email server, port number, does it require SSL, what ...
0
votes
2answers
20 views

KeepAliveD Documentation

I am looking for a consolidated documentation for KeepAlieD. My apologies if this is not the right place to ask this question. However, even after extensive googling for 2 days, i could not find a ...
0
votes
0answers
5 views

Adobe Experience Manager Author Server running maximum CPU

Adobe Experience Manager Author Server running maximum CPU I have an adobe experience manager author server which is using 100% CPU. When I check the online sources and documentation, I was asked to ...
4
votes
1answer
127 views

Unexplained files found in home folder

For background information, I'm running openSUSE 13.2 and KDE 5. Today I found a number of unexplained files and folders in my home folder which state they've been edited 3 days ago. I do not ...
11
votes
2answers
2k views

how to find out namespace of a particular process?

I already asked a question about how to list all namespaces in Linux, but there wasn't any correct and exact answers, so I want to find out a method which can help me to find out the namespace of PID ...
2
votes
1answer
46 views

Grep on single line [duplicate]

I have a script that streams a pattern in a single line (no linebreaks). I want to grep stock_ticker in that line and output it as soon as I have found one. Now the script is never ending and is ...
11
votes
2answers
15k views

show the year while listing files in the current directory

I am working on a red hat server I want to list the files in a way where the year when each was file created would appear in the Date how is that possible ?
3
votes
1answer
593 views

Grub and usb serial support

How to access the grub menu using a usb serial converter? I know it's possible to have grub menu in serial console, putting these lines in grub.conf: serial --unit=0 --speed=9600 --word=8 ...
2
votes
2answers
342 views

How to create boot SD card for Banana Pi manually

It seems that I have a lack of understanding how booting SD-Card images on devices like the Banana Pi work. The situation is as follows. I have a Banana Pi and a Banana Pro. Every device has an ...
4
votes
4answers
1k views

Put Linux server into sleep and wake it up using WOL packets

I am looking for a way to put my Linux home server in standby after a period without any "heart beat" network activity. I would like to use WOL packets as a heart beat signal. These packages will be ...
0
votes
0answers
31 views

apt-get error installing software on Parrot OS

I am trying to install Evolution Email client but when I run "sudo apt-get install evolution" I get the following errors: "Reading package lists... Done Building dependency tree Reading state ...
0
votes
1answer
22 views

Extract source commands of an existing gnome terminal session? [duplicate]

I have a bit of a situation. One of my co-workers just overwrote everyone's bashrc and bash_profile files. My custom settings have been lost. However, I still have a terminal open which sourced my own ...
24
votes
3answers
16k views

How to Determine the Amount of RAM Slots In Use?

I forgot how many RAM modules are installed on my laptop. I do not want to unscrew it but want to look it up on the console using bash. How do I gather this information?
0
votes
0answers
7 views

How to set user creation limit on vtiger CRM?

I have installed vtiger latest version. In the admin panel how to set the user creation limit? I need to set maximum users = 10.
0
votes
1answer
19 views

ispconfig PHP not parsing on apache2 virtual host

I have trouble installing ispconfig 3 on my (L)Ubuntu 15.04. I can fully install ispconfig but I can't reach the website when viewing the virtual host of apache2. I can open ispconfig from ...
1
vote
1answer
44 views

pendrivelinux install on usb stick - only uses 5.8GB of a 14.7GB usb stick

I used http://www.pendrivelinux.com to build an installation of Linux Mint on a USB stick, so I could have a portable OS (mainly for work emergencies). It's installed, and works fine, but it's only ...
0
votes
1answer
45 views

Change hostname on SUSE Linux Enterprise Server 11 SP3 for VMware

I want to update the hostname for one of my VMware virtual machines running SUSE Linux Enterprise Server 11 SP3 for VMware . I tried changing the hostname using YaST but after reboot the old name ...
2
votes
2answers
382 views

Hiding an encrypted folder in a shared system without root access (unshare -m)

I'm a graduate student trying to use a cluster at my university. These machines are shared, so I want to protect the source code I use (I signed a NDA, so I'm scared about publishing the code by ...
0
votes
0answers
23 views

Sending data from rs232 [duplicate]

I'm trying to write a loopback test with pins 2 and 3 connected. I am using Ubuntu OS and java for the code. The library that I'm working with is JSSC. I am able to read and write from the serial ...
3
votes
2answers
807 views

Can you create a volumegroup in LVM that all the Logical volumes created under it will be thin provisioned?

I would like to know if it is possible to create a volumegroup in LVM that all the Logical volumes created under it will be thin provisioned? This will be used on RHEL 6 which does include thin ...
0
votes
2answers
64 views

Drivers for Marvell 88SE9230 SATA controller on Linux

I have just purchased a SuperMicro X10SBA, where i intend to use the onboard Marvell 88SE923 SATA controller for RAID1. Unfortunately SuperMicro has written that RAID is only compatible on Windows ...
2
votes
1answer
23 views

Console timeout blanks to white instead of black

My hardware screen on my laptop turns white, when the console timeouts and blanks, upon idling. I would expect it to normally turn black or turn off the screen entirely. When clicking a button, the ...
3
votes
1answer
36 views

Why don't most common Linux package managers allow package installation for normal users? [duplicate]

I tend to install quite a lot of packages with ./configure --prefix=$HOME && make && make install. Why can't I do this as easily with dpkg or yum? Or if I somehow can, what is the way ...
1
vote
1answer
1k views

How to migrate from Proxmox to VMWare?

I am wondering how it is possible to migrate a full hardware VM in Proxmox (qemu) to a full hardware VM in VMWare (vmdk). I have been searching all over the place, and it seems almost impossible to ...
34
votes
7answers
23k views

Linux Kernel: Good beginners' tutorial [closed]

I'm interested in modifying the kernel internals, applying patches, handling device drivers and modules, for my own personal fun. Is there a comprehensive resource for kernel hacking, intended for ...
9
votes
7answers
3k views

Why is Unix still used if Linux is based off of it, and Linux is free?

Also, it seems that Linux has a much friendlier user interface. Has Unix been trying to "keep up"?
2
votes
2answers
1k views

Debian won't boot: udevd fails to load device sda and sdb

I can't boot my Debian system, I got this error during boot up: Driver 'pcspkr' is already registered, aborting. I have solved this by adding blacklist snd-pscp to /etc/modprobe.d/blacklist.conf ...
17
votes
3answers
9k views

What is the difference between the following kernel Makefile terms: vmlinux, vmlinuz, vmlinux.bin, zimage & bzimage?

While browsing through the Kernel Makefiles, i found these terms. So i would like to know what is the difference between vmlinux, vmlinuz, vmlinux.bin, zimage & bzimage?