Questions specifically about Linux, as opposed to Unix-like systems in general, or to questions about a specific distribution or program.

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2
votes
1answer
50 views

Why is architecture listed thrice in uname -a?

$ uname -a Linux 3.13.0-29-generic #53-Ubuntu SMP Wed Jun 4 21:00:20 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux Running ubuntu 12.04.1 LTS. Why does it have the architecture (x86_64) listed thrice?
2
votes
0answers
18 views

Can't mkdir events No space left on device - EC2 Linux [duplicate]

After put about 5 millions files on a EC2 instance, I can no longer mkdir because inodes are all used. I still have 40Gb space on this EBS! Is there a way to overcome this? Thanks. Filesystem ...
0
votes
0answers
7 views

Re-download Corrupted Part of ISO

I have download an ISO file from one of the public FTP server. It took a lot of time to download the file because of my Internet Connection Issues. I used the wget command to download the ISO in ...
0
votes
1answer
4 views

How to use PPMD with 7z under Linux?

How can I use the 7z compression with PPMD algorithm? It produces better compression than the default in 7z.
2
votes
1answer
25 views

How can I redirect output files to a specific directory/folder

Suppose I have an executable in Unix. Suppose the name of the .exe file is myExe and it takes two parameters. I did not create this executable, this is a freely available one. myExe generates 4 ...
0
votes
1answer
9 views

Installing Node.js on a remote LAMP server with no internet connection

As a part of a student project, I am to host my Node.js-based server application on a server so that other people can try connecting to it and test the integrity of it's functions. The problem is that ...
-2
votes
0answers
25 views

flush output of cat [on hold]

Now I'm using cat in a script to write into a file, but it seems the contents will be buffered. What can I do with it? cat >> comments.txt << EOF bla bla bla EOF
1
vote
1answer
18 views

How to find process which flood the whole network

I have a laptop with Fedora 21 and TP-Link router with DD-WRT software. Sometimes my whole internet stops for any device. When I reboot my laptop or just I turn off wireless, the internet works fine. ...
0
votes
0answers
4 views

KDE Splash Screen doesn't disappear

Whenever I boot OpenSUSE, The KDE splash screen appears, which is normal. What is not normal, however, is that it never disappears again ! The previous session's windows just appear. KDE is ...
0
votes
0answers
25 views

Get real IP after OpenVPN tunneling

I try to route traffic from one Server to another using OpenVPN. In the end users should only connect to the forwarding machine. It basically works using this iptables rules: iptables -t nat -A ...
0
votes
1answer
18 views

Generate SCP string

Generally when I am copying files from a local instance to a server, I find it difficult to generate the SCP string for the server to copy the files. I need to execute the following three commands ...
0
votes
0answers
5 views

Get static driver from kernel zImage

I have one kernel zImage inside that there is one static modules for touch panel So is it possible to get touch panel module from zImage because I have no kernel source Please guide me
0
votes
1answer
11 views

Scheduling gFTP Download

My current set up involved two HP laptops running Linux Mint 13 (one 32-bit, the other 64-bit) and a Mint 13 server in the cloud. I have been using gFTP for transferring files without problem. However ...
-1
votes
0answers
26 views

problem in AWK with Shell scripting [on hold]

Aim : I have 5 .CSV files namely 1. A.CSV 2. B.CSV 3. C.CSV 4. D.CSV 5. E.CSV I just want to copy the header column names from each file and place to another file named Header.csv . Code : ...
0
votes
1answer
10 views

Debian wired connection static IP wont connect

I've installed Debian with xfce and did some configuring by installing themes, configuring xfce, installing and uninstalling software; the usual. Anyway, after a reboot I can't connect to the ...
0
votes
1answer
35 views

Can't run binary executable on Ubuntu 12.04

I get the following error: ./cataclysm: command not found when trying to run this executable on a Linux server over SSH. When I run ldd cataclysm, I get: linux-gate.so.1 => (0xf7759000) ...
0
votes
0answers
9 views

M17: Trying to mount Windows 10 .iso onto partition via terminal, getting “block device ? is write-protected, mounting read-only”. Can I get a help?"

I have Linux Mint 17.1 and am trying to dual boot Windows 10 Technical Preview OR install it on my other hard drive. Extra easy damage-control for you guys- I do not care if I lose any data, as long ...
0
votes
0answers
7 views

Bluetooth on at startup in openSUSE

I just installed openSUSE (dual boot with Windows) on my thinkpad T420 and after the install for some strange reason my Bluetooth is on when I turn on my computer. Both in Windows and openSUSE my ...
0
votes
0answers
10 views

U-Boot Bootup error

I'm running a Debian Linux on a Cubietruck, running off a SD card. When I power on, I get the following error: Booting kernel from Legacy Image at 46000000 ... ...
0
votes
1answer
22 views

tcpdump -i any and promiscuous mode

From the man page for tcpdump 4.1.1 (yes I know its old) -i Listen on interface. If unspecified, tcpdump searches the system interface list for the lowest numbered, configured ...
1
vote
1answer
16 views

Adding new attribute to existing xml file using sed or awk

I have a xml file which contains below details: <server> <mbean code="WSMQConnectionFactory" name="service=MQQueueConnectionFactory"> <attribute ...
0
votes
0answers
8 views

HW RAID10 without TRIM support with SSD

Recently we purchased new server for Database with 1TB x 4 SSD in Hardware RAID 10, but my Hardward RAID doesn't support TRIM so you think it is going to be big deal? Is there anyway i can do ...
1
vote
2answers
33 views

How to grep over a variable

I have a scenario like VAR = `Some command brings the file path name and assigns it to VAR` For example VAR can have value like /root/user/samp.txt I want to grep command like grep HI $VAR ...
1
vote
0answers
16 views

Handle mouse and keyboard usb device in udev

I'm trying to set up usbip on our thin clients to forward (almost all) USB devices to the server. What I don't want to forward are all input devices and all hub / virtual devices. So I want to ...
0
votes
1answer
53 views

Is Linux really more vulnerable than Windows and Mac? [on hold]

These days, I have seen many articles in the internet like this one that are trying to say that Windows is now less vulnerable than Linux. I think this is the number of solved issues so it means more ...
1
vote
1answer
20 views

Re-enabling the console once the kernel is up, if silent mode was set in Uboot?

I have enabled the silent mode by setting the U-boot env variable "silent". Uboot-> setenv silent 1 Uboot-> saveenv Now, I would like to re-enable the console once the kernel is up. Can ...
0
votes
2answers
46 views

use `mv` command and my file gone [on hold]

i want to move myfile.tar.gz to folder My command is mkdir backup mv myfile.tar.gz /backup arrrgh, and the file gone in /backup directory not exist, try using find command not shown how to ...
0
votes
0answers
13 views

Help filtering logs - auditd

System: RHEL release 6.3 (santiago) Issue: Once I start the audit service I'm starting to get thousands of logs in /var/log/audit/audit.log Most of the logs received are of - sshd Log sample: ...
1
vote
0answers
17 views
+50

Why is traffic matching the public zone instead of the desired zone

Trying to self-train on firewalld I set up apache and configured the zones as follows: My expected result is that traffic from the hypervisor would match the "work" zone and since http isn't ...
0
votes
1answer
23 views

How to find out what the Cinnamon process does

I would like to identify what draws power in Cinnamon (the process not the entire desktop) aka what eats the cpu and causes the context switches. It is not about finding out what draws power overall ...
2
votes
0answers
28 views

Random file showing up in various directories. How to trace its creator?

I am finding a 0 byte file named ^- (that is a caret and a dash) in various directories on my file system. I use zsh with oh-my-zsh and I am pretty sure something in there is creating it but I really ...
0
votes
0answers
29 views

Why doesn't Red Hat detect hard drive on HP BL460C Gen 8?

EDIT: The server I am using is HP BL460C Gen 8 having real hardware RAID. I am trying to install Red Hat Enterprise x86_64 bit on an HP ProLiant (iLO 4) server with an Array of 2 hard drives ...
0
votes
0answers
36 views

Get first day of the month

I need to get the first day of the month in this format "%y%m%d" or 150301 I can get the current day in this format: date +"%y%m%d" But the first day of the month is a lot trickier. Any thoughts? ...
-1
votes
0answers
5 views

Samba DC - account is saved only with temponary file [on hold]

I have problem with Samba AD. When I log in to account on Windows computer, account will not be saved. smb.conf: [global] workgroup = miegl server string = Home server netbios name = ...
0
votes
0answers
25 views

Executing Minecraft Server Commands via SSH and Screen

I'm extremely new to linux, so please help me out if you can! I have read many of the posts about managing/monitoring servers using SSH and Screen, but have not found anything regarding my particular ...
1
vote
0answers
13 views

Red Hat Enterprise Linux 6.5 remounts root filesystem read-only after hibernating

I have a Lenovo ThinkPad T430 running Red Hat Enterprise Linux 6.5, kernel 2.6.32-431.30.1.el6.x86_64, and my filesystem structure consists of a master LUKS partition holding two logical volumes, one ...
0
votes
0answers
15 views

Installing Slax 7.0.09 next to a winxp

How do I install Slax 7.0.9 on the same hard drive as my Windows XP? Is it possible? I already have partitioned the hard drive to ext4 for linux using gparted. The hard drive also has a partition for ...
0
votes
0answers
16 views

Ubuntu Linux 14.04 on Parallels Desktop 10, Mac OS X 10.10.2: Parallels and/or Ubuntu update broke Terminal (no command-line prompt) [on hold]

Apologies if reposts are not welcome; I just asked this question on "Ask Ubuntu" and was advised to post it here. I'm not clear on whether the problem is with Ubuntu or if it is more general, as I ...
-1
votes
1answer
41 views

How to copy authorized_keys to another user on linux? [duplicate]

I can ssh into a Linux node on the cloud with root. I've created another user, web, and I want to add my ssh keys to that user. Here's what I've tried so far (as root): mkdir -p /home/web/.ssh cp ...
1
vote
1answer
25 views

Mount USB stick without partitions using udev rules

I need to have udev mount a USB device that has raw data, which appears like /dev/sdc, but in the same time if another stick has partitions I only need to have folders mounted only for those ...
3
votes
3answers
53 views

Modifying binary during execution

I often come across the situation when developing, where I am running a binary file, say a.out in the background as it does some lengthy job. While it's doing that, I make changes to the C code which ...
2
votes
4answers
60 views

Why does Linux use an Initial Ram Disk at boot?

I was wondering : What's the goal of using an initrd in the first part of the boot process and then use pivot_root to put the root on the real disk ? Why not only use what's on the disk ?
1
vote
0answers
16 views

Standard convention installation folder for GitEye on Linux and how to start it

I couldn't find an answer for this here already (maybe didn't know the right keywords to search for...) - my apologies if this kind of question have already been asked. What about be a "good ...
1
vote
0answers
35 views

How to install custom plugin on Google Ghrome Ubuntu 14.04

I have a problem while trying to install rutoken plugin for Google Chrome v. 40.0.2214.115 (64-bit) on Ubuntu 14.04. That's what I try: Download plugin from ...
0
votes
0answers
9 views

Learning about interface between Network and Running Daemons (PHP,MySQL) - for scaling

I am a PHP/MySQL/jQuery programmer and coder, not a hardware guy. My new job involves scaling a LAMP server. This is a question of "what are the terms I should even be searching for" as I need to ...
0
votes
0answers
10 views

sending NEDIT to background on launching

I have this problem - for opening nedit it will open in the foreground. Then either you open it using & ex- prompt> nedit & is there any way where I can open nedit directly in the ...
10
votes
3answers
514 views

How do I replace the last occurrence of a character in a string using sed?

How do I replace only the last occurrence of "-" in a string with a space using sed? For example: echo $MASTER_DISK_RELEASE swp-RedHat-Linux-OS-5.5.0.0-03 but I want to get the following output ( ...
0
votes
0answers
13 views

How to add adobe reader plugin in chrome linux

I have installed adobe acrobat reader in my linux machine(lite). How to acrobat reader to chrome. I tried in the chrome settings (extension->developer mode->load unpacked extension)but what file to ...
0
votes
0answers
9 views

Update Oracle Linux 5.5 to 5.8 with RDAC Driver

I need to update Oracle Linux 5.5 to 5.8, that's the easy part. The problem is that on the system it's mapped an IBM DS3k (DS3512) storage with RDAC. Actual configuration: OS: cat /etc/*-release ...
0
votes
0answers
15 views

How to create multi-bootable OS from USB drive in Mac OS X

While Googling and tried with some instruction from many website introduction including Youtube and also been get through this article http://apple.stackexchange.com/q/130221/116741 but still can't do ...