Linux refers to the family of Unix-like computer operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

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3G USB modem switches back to storage mode after connection is lost

I configured a 3G USB modem (Novatel Wireless U679 (Ovation MC679)) on a Raspberry Pi running Raspian OS. To switch the modem from storage mode (1410:5059) to modem mode (1410:7031), I use the ...
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8 views

Allowing ::1 on busybox httpd

I'm running busybox 1.23.2 (compiled by myself from source) on Linux. I'm trying to prevent other people from accessing the files I put on my server, so I thought I'd configure the server: $ cat ...
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1answer
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Load the OS from SD card which is purposed to run on Raspberry, on my computer

I have an SD card where I want to write an OS for my Raspberry, then I want to do some modifications to its files, like create Python code files there in a convenient manner, install libs and ...
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23 views

Apache fails to start with TLSv1 disabled and does not recognize TLSv1.1 and TLSv1.2

I'm having issues trying to disable TLS 1.0 on apache as described here: http://httpd.apache.org/docs/2.2/mod/mod_ssl.html#sslprotocol $ apache2 -v Server version: Apache/2.2.22 (Ubuntu) Server ...
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10 views

Accessing Web UI with Spark1.3.1

I am currently building and deploying spark with standalone mode, including one master node and two worker nodes, on Google Container Cluster. For monitoring purpose (also connecting to master from ...
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memory high issue on RHEL server? [migrated]

18105 /wm/www/tmmy/ 2.2 1128256 1683020 16961 /usr/sbin/httpd 2.4 1201668 1692788 27746 /usr/sbin/httpd 2.4 1217296 1701612 31519 /usr/sbin/httpd ...
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12 views

Converting .qcow2 V Hard Disk into .VMDK (Windows/VMWare)

Is any way to convert a .qcow2 into .vmdk on Windows 7 64-bit using VMWare Workstation? i did that using a tool qemu-img in my linux host (SLES11): qemu-img convert -f qcow2 vdisk.qcow2 -O vmdk ...
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9 views

Getting nginx 404 error on uploaded files

I am using PHP (5.3) to upload jpeg files, create folders for those files and store them. I have a development version and a live version both running on the same server (CentOS 7, Apache, Plesk 12). ...
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8 views

Multi hop SSH with certificate on bastion server

I have this situtation: my local machine a login server (with token implementation) a set of machines accessible only with another authentication from login server (token implementation too) this ...
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22 views

Mumble-Ruby openssl error when running scripts

First things first here are the instructions I am working off and system details: http://wiki.natenom.com/w/Mumble-Ruby_installation and this is for SuperBot a mumble ruby plugin. This is running ...
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3answers
36 views

Why can't the guest of VirtualBox connect to network?

I have installed CentOS 7 on virtualbox, and network setting is NAT. The guest can't connect to network: systemctl -l status network output likes this: ip addr output likes this: Could anyone ...
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Convert binary mode to text mode and the reverse option

By the following way I convert a simple binary file into a text file od –t x1 Check.tar | cut –c8- > Check.txt What is the opposite way to convert the Check.txt to Check.tar as the original file ...
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1answer
16 views

dm-crypt with LUKS - /etc/crypttab using either keyfile or passphrase

I have my home partition encrypted using dm-crypt and LUKS header. I have two slots in its header: first one is a passphrase and second is keyfile. I have keyfile on external drive which I use only as ...
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1answer
19 views

How to mount iso9660 filesystem as read,write on Mac OS X?

man: -w Mount the file system read-write. The options specific to NFS filesystems are described in the mount_nfs(8) manual page. bogon:OperatingSystems Forever-Always$ sudo ...
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1answer
26 views

Get a list of directories or files I don't have permission to read

I have a directory, X, which contains many subdirectories (millions of them), which contain files. I have read access to some, but not all, directories and files contained therein. I need to compile ...
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1answer
25 views

Does Libvirt have any commands to find out disk i/o information?

Disk i/o information like throughput,activity or latency, or at least some disk related data, by which the throughput, activity or latency can be calculated. Is there any virsh command or some method ...
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3answers
27 views

How does virtualbox get the network configurations?

I am installing CentOS 7 on virtualbox. On "Network & Host Name" screen: When toggle the "OFF" to "ON", I can see the IP, DNS, netmask are all configured: I am curious about how does ...
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udev rule to auto-execute script

I want to create a udev rule to execute when my headset gets plugged in. Therefore I followed this Tutorial, but my rule doesn't seem to work. The output of udevadm monitor --environment | fgrep ...
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Why is my Windows 8.1 (new laptop) extremely slow and sluggish when compared with Linux

I recently got this laptop, so it is still new and so is the installation. The laptop is TOSHIBA SATELLITE C55D-A-149. I realise that this is a budget laptop and the processor is fairly weak. I dont ...
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1answer
55 views

Allow only one website using iptables in a linux router [duplicate]

I have a Linux server I'm using as a router for my internal network. I need to block all the websites except one or two using iptables. How can I set this up?
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3answers
29 views

Find *where* the executable is for a currently running process

If I have 2 executables (/path/to/gcc/myapp.exe, and /path/to/intel/myapp.exe) where one is compiled with an intel compiler and one is compiled with standard gcc, running both will show up in top as ...
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1answer
24 views

Need application to run without root access

i try to build my local services system inhouse, and to thant i need to learn how i can give access to a single user with out type a root access when i do it, or i need to know how i can call the ...
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23 views

Difference between running a script locally and remotely

What is the difference between running a script remotely: ssh -t root@$machine -x "sshpass -p 'ubuntu' ssh -t ubuntu@$address -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/nul -x ...
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1answer
17 views

Change Key Bindings Individually for Each Layout on Linux

I am on Debian Jessie with GNOME. I prefer to program with the () bound to what is regularly [ and ] because I do a lot of lisp. I was able to do this with xmodmap, but it ruins my other (Portuguese) ...
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2answers
41 views

When typing in a command, my terminal will often times wrap around

So I'm having a really weird terminal problem that affects both physical login sessions as well as sessions over SSH. Basically, the terminal size is some number of columns. When printing stuff out, ...
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2answers
38 views

Passing through a firewall with a “reverse” proxy

I have to do a workshop in a firewalled environment which is preventing me to show everything I would like and I'm looking for a workaround. I'll be demoing a software which runs on Windows. During ...
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13 views

Make OpenVPN Accessible from outside the network

I'm trying to get openvpn working on my centos machine but I'm having some issues and I don't really know much about openvpn. I've managed to get it working and I can connect to it with another ...
2
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0answers
32 views

How to make cron perform task every hour during business hours?

I'm trying to make a script run twice every hour during business hours on weekdays, and i have the following in my cron setup: # m h dom mon dow command 8,48 8-17 * ...
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1answer
12 views

Redirecting marked packets to Tun device

I have a small program that needs to do various things with a selection of packets, based on various iptable rules. The packets are MARKed this way: iptables -t mangle -d 10.10.0.0/16 -j MARK ...
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1answer
19 views

used chmod wrongly to mess up copy rights. How to correct

I ran a chmod command like chmod 644 dir/* It seems to have worked for files in this directory, but files in all other sub-directories are now in some limbo state. ls -l dir/sub-dir shows: ...
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61 views

Google Chrome on Kali Linux will not launch

I'm using Kali Linux amd64 and installed Google Chrome stable release from the official Google Chrome site but it is not launching nor showing any errors i have tried launching it from the command ...
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2answers
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How to execute sudo NOPASSWD command on other server via SSH

I have read all the post related to the issue. But If you can see mine as well and give suggestion. I am trying to do passwordless SSH and run a script on remote server. But Sudo access ask for ...
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1answer
30 views

centos7 not installing mysql

I've installed centos7 recently, but, when I am trying to install Mysql using the command: yum install mysql-community-server I keep getting Exiting on user cancel while I am not hitting any ...
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1answer
19 views

Find UID of user via SAMBA [closed]

Is there a way to retrieve the UID of a user via a SAMBA share? I can get the user list with: rpcclient -W 'WORKGROUP' -c querydispinfo -U''%'' '192.168.21.129' 2>&1 index: 0xa RID: 0x4c0 ...
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2answers
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+50

Computer does not boot after changing hdd and reverting back

1) I have an existing HDD in my computer that dual boots linux and windows using the traditional bios way. 2) I then took out the existing HDD and swap in a new HDD to install linux on it with uefi. ...
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28 views

Destination host unreachable

An user reports issues with wwan0 interface. 4: wwan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 02:fa:a8:34:86:69 brd ff:ff:ff:ff:ff:ff ...
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1answer
32 views

Matching () with a Unix/Linux regex

I have a couple files with the name (a).1 (a).2 ... (a).100 Since a lot of processing tools don't really like ( and ) in the filename I thought it best to rename them to a different name. I googled ...
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37 views

Backing up linux server on ntfs harddrive

I'm looking for a way to backup my debian server. For the data partition I have a solution using rsync, the backup goes to an encrypted ntfs-drive. NTFS because I often take the drive with me to watch ...
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1answer
27 views

Rsync - resending all files, because files have different timestamp (off by 1 second!)

I am using rsync to backup files from my Mac laptop to a usb drive (exFAT) on my Windows laptop. The usb drive is shared within my home network, and mounted on my Mac. I noticed a weird problem when ...
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1answer
18 views

How do I fix McAfee for Linux Error: “vsel-installer: No supported build for your platform”? [on hold]

How do I fix this McAfee for Linux error "vsel-installer: No supported build for your platform"? I can't install McAfee VirusScan for Linux (McAfeeVSEForLinux-2.0.2.29099.zip) on the latest ...
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2answers
37 views

What was the SquashFS compression method?

I've got some SquashFS files, and I'd like to know how they were compressed so that I can have a rough idea of how they would perform when mounted. The only binaries provided by the squashfs-tools ...
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2answers
25 views

How to set a time length of ssh and redirect the error message

I have a hostlist and there are several hosts. I want to use ssh to connect to them. I want to see whether the host is available or not by the time length of ssh takes. If it take long than 5s (which ...
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0answers
15 views

How do I use an Ext4 partition from Windows with correct file permissions for Linux?

I use Windows 7 and ext2fsd to access a data partition which uses ext4 as mentioned here, here and here. I can read and write from Windows. When I boot into Linux, it is able to read the files but ...
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1answer
30 views

ssh connection error “Permission denied (publickey)”

So I have been trying to build ssh connections between google cluster container containing 1 master node and 2 worker nodes. I have used ssh-keygen to generate key pairs for all three nodes, send the ...
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1answer
26 views

Sharing Internet connection from a Linux VM to Windows

I'm looking for a way to share Internet connection from a Linux operation system like Ubuntu or Kali to Windows 8.1. what i'm trying to achieve is to use one of these open-source based WAN ...
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44 views

Android ADB Shell sendevent Not Working

I want to simulate pressing the power button on a rooted Samsung Galaxy Tab 2 GT-P5100 running Android 4.0.4 using the ADB shell. To do this I changed the relevant permissions using: adb shell su ...
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1answer
26 views

Downloading images via wget

When downloading an image with wget using wget link I get the following errors: HTTP request sent, awaiting response... 302 Moved Temporarily Location: [following] --2015-05-24 14:47:46-- ...
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17 views

Arch Linux chroot cannot mount sysfs

I am running in a chroot with Arch Linux. It is good. I can start it and also did pacman -Syu. My problem is, I cannot do any pacman activities. It says I should do pacman-db-upgrade, but pacman is ...
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21 views

GitLab.com times out on Linux

I'm currently using Linux Mint 17 on my laptop and I'm almost unable to work with GitLab. The issue is pretty weird: GitLab.com times out every time I want to save my profile info GitLab.com times ...
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2answers
117 views

Enable Fn-Brightness Buttons Ubuntu

I am trying to get the Fn+F5 and Fn+F6 buttons to work on my ASUS UX305F laptop running Ubuntu 14.04. I have tried adding all of the following to /etc/default/grub without success: ...