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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VMware host-only network accessing host local resources

I have a Debian server (LDAP,DNS,DHCP and SAMBA services) in a VMware virtual machine and I would like to reach the host local printer with it. The first interface eth0 is a host-only network with the ...
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2answers
24 views

How can I list the contents of an lrzip file without extracting from the Linux terminal?

How can I list the contents of a lrzip file created via lrztar without extracting it?
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1answer
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What does it mean when a system boots into initramfs?

I copied kali Linux 32 bit onto a USB stick using Win32Diskimager and Universal USB Installer. On a Lenovo X200 it boots withoug problems. Both methods. (P8400, 8 GB RAM, HDD) Then I tried to boot ...
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1answer
10 views

KDE launcher opens .desktop files in kate

Opening programs via the 'Application Launcher' menu, then selecting the program works. Using the launcher generated on the panel, eg by right-clicking on an open program, then selecting 'Show A ...
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Ubuntu 14.04 LTS corrupt microSD - manual recovery?

i have a corrupt microSD card from a colleague. He asked me to save his data if possible. I use a recent usb-multi-cardreader. The microSD is a high capacity card with 32gb of space. I suspect it to ...
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0answers
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Recovering data on 20TB RAID 5 NAS, overwritten by 500gb RAID 1

I have a Linux gateway with 2 500gb drives in software RAID 1 for system. /dev/sda = RAID 1 /dev/sdb = RAID 1 /dev/sdc = RAID 5 (NAS 12 drives iSCSI, /home directories) While replacing sdb, weird ...
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1answer
20 views

GUI terminated with return code 4

i am getting the below error . Could you please help me resolve this Invocation target exception: Can't connect to X11 window server using 'dummy0:1.0' as the value of the DISPLAY variable; you ...
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2answers
34 views

Why must I use sudo for ssh public key authentication to work?

I cannot ssh from my computer (OS X) to my raspberry pi (ubuntu mate), unless I use sudo. I am using a public/private keypair to authenticate. The appropriate public key is added to the ...
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1answer
22 views

Linux command/script to find all files in a directory with a 4 digit number <= a specific number

I have a folder containing several other folders, each named in this format: Company XYZ (1999 OneWordDescription) I'm trying to filter out the ones that are marked 1995 or older, so I can move ...
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1answer
24 views

What does qsub --cwd `pwd` mean?

I am newbie to Linux command lines. I just got a queue submission command from others. The command line is as follows: qsub --cwd `pwd` -t 60 -n 1 --proccount 1 --mode c1 --env ...
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Linux: USB Device Constantly Disconnecting/Reconnecting

I'm getting a lot of log spam about a USB device constantly connecting/disconnecting. It's my USB for my UPS, attached to my Dell PowerEdge server, but I'm not sure why it keeps getting kicked ...
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5 views

Problems MBR and GPT Partitions on a Linux Host on SLPOS

Ive a Host loaded with SLPOS Image from a SLPOS Branch Server (SuSE Linux Point Of Service) and i want to handle this issue, when system boots it download a PXE who does a check of a several checks ...
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1answer
18 views

rsync doesn't copy file with different attributes but same modification time

I am using rsync to take a backup. This is my command line: sudo rsync -avuh --delete --stats --log-file=$LOGFILE --exclude-from $EXCLUDE $SOURCE $DEST This works for the most part. However, today, ...
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0answers
10 views

Where does device mode and state output come from, and how do I disable it?

Whenever I change my wlan broadcasting details with hostapd I get some output like this: [ 6706.929857 ] device wlan0 entered promiscuous mode [ 6707.986991 ] br0: port 2(wlan0) entered forwarding ...
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1answer
21 views

Unix Networked Display

I'm setting up a space for a group at school where we can do meetings and presentations. We have a few large displays that I would like to be easily usable over the network. We already have a server ...
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0answers
7 views

Jira, Tomcat and JBoss behind Apache

I need to install these environment in the same machine. Jira : ( installer, port: 8080, tomcat-jira) Tomcat : ( tomcat for other applications, port: 8084 ) JBoss : ( port: 8086 ) Apache2: (as a ...
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1answer
20 views

about CentOS 7 apps & Driver

im using pc for several years but never tried Linux so im quite noob in this field. im using Autodesk maya, Nuke & will learn houdini very soon. i found that linux works faster for this apps so ...
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Permissions issues - Excel docs on Linux server, Windows and Mac OS workstations, no domain

Going to visit a client who's having trouble with permissions on Office documents, mostly some Excel sheets. They use a Linux server (Ubuntu), do not run on a domain, and have a mix of Windows and Mac ...
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0answers
16 views

rsync is missing files

I'm trying to get rsync working between Win7/cygwin source and CentOS 7 VM destination. My command: rsync --dry-run -r -a -v -i -h -x --ignore-times --checksum --progress --delete --delete-before ...
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1answer
16 views

Plot the data collected by sar in ASCII

isag in an "Interactive System Activity Grapher" that "displays the system activity data stored in a binary data file by a previous sar". How do I view the data stored by sar in ASCII on a Linux ...
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2answers
35 views

SSH to access remote screen without X

I need to access a remote computer (which is attached to a screen), using SSH - the problem is that the programs I start via SSH need to be shown on the remote screen (tail, htop, slurm, ...) The ...
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13 views

VPN between a Server, a Raspberry Pi and a Smartphone

here's the problem I'm facing. I want to connect with a client (eg. smartphone via mobile network) to my server (which is connected via vpn to my rapsberry at home) so that I can access my home ...
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36 views

how do I clone an encrypted usb key that doesn't get mounted? [on hold]

I have a medical software that only works when a usb key (that came with it) is plugged into the system. unfortunately, I lost the usb key so I wasn't able to open my software anymore. now I have a ...
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1answer
12 views

Trouble negotiating rsync protocol versions

I am trying to rsync between a Linux box and a MacOS box. The MacOS (yosemite) seems to come with an old version of rsync so I've updated that using homebrew. OK, I seem to have perfectly matching ...
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2answers
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How to access a web interface on my NAS backup unit which is on our server's internal network

I hope anyone can help me with this The setup: We have a few hosting servers. There are webpages of our clients. We also have a backup unit with web-based control interface. The backup unit is not on ...
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1answer
34 views

In what order does GNU env print environment variables?

When invoked without arguments, the env and printenv commands from the GNU Coreutils print the value of every environment variable. What determines the order in which these variables are printed? ...
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0answers
7 views

How can I set system-wide timestamp-timeout?

as I understand adding Defaults timestamp-timeout=5 to my sudoers file makes the current terminal remember my password. After typing my password in one konsole and opening another terminal or ...
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1answer
14 views

4 browsers instances autoconfigured to 4 monitors on logon Debian

This might be wishful thinking... but stranger things have been found on the beach. I have a Debian system with KDE desktop and a NVidia GeForce GTX750 running 4 monitors. I want a new browser ...
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0answers
11 views

yasnippet and evil mode : how to switch to normal mode without exiting the snippet environment

The problem is when I am in a snippet expansion, I hit escape to switch to normal mode, and the snippet is escaped. How can I make it to behave like this: one escape only switch to evil normal mode, ...
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1answer
12 views

To show bind mount source path for mount v2.25.2

The syntax for bind mount has always been mount --bind olddir newdir However, I noticed a difference in how mount reports the bind mounts between Ubuntu 14.10 Utopic and Ubuntu 15.04 Vivid, i.e., ...
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63 views

How to revert a LUKS encryption over encryptfs

I had an encrypted /home folder under Ubuntu. As far as I can tell, it was encrypted using encryptfs. It was using ~890 Gb of a 904 Gb partition. But then I tried Antergos, an Arch derivative, and ...
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Raspberry pi: No internet access

I am trying to get internet connection at my university. I have enabled sharing on my wifi settings and connected to the raspberry pi VIA ethernet connection. The IP used for ethernet connection is: ...
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0answers
22 views

Cross Platform Disk Encryption between Arch and Windows [on hold]

I recently got a job working in the health care industry which would require me to encrypt my drive. My setup is as follows: 500gb Windows 7 NTFS partition, mounted to /mnt 150gb Arch ...
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1answer
21 views

Keyboard shortcuts without x11

I had found the solution a while ago, but now I google for hours and can't find it. So, the question is: how to set up a keyboard shortcut in linux (eg. ubuntu) without running X-server? I have home ...
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0answers
20 views

External USB disks and logical sector size

I have a WD Green 3.0TB in an external USB enclosure. I wanted to replace the disk with a Green 6.0TB. The USB enclosure is usually connected to a device that only understands FAT32 and MBR, so ...
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1answer
22 views

MySQL server copied from Windows won't start on Ubuntu Linux

I have an external hard drive (formatted NTFS) to which I copied the MySQL data folder from a machine running Windows 7. I have been successfully able to start/stop/use MySQL on the Windows machine ...
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1answer
19 views

Does a bridge between 2 TAP interfaces need an IP address?

I am trying to setup openvpn on a machine so that I have 2 different tap interfaces (tap0 and tap1) and then a bridge connecting those interfaces. The openvpn is setup with a server-bridge ...
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1answer
15 views

Ubuntu Bridge Mode from wwan0 to eth0 interfaces

Hi I have a ATT 4G USB Card and I would like to setup a Bridge Mode for the interface wwan0 to eth0. currently the setup is the following but is not working: in the /etc/network/interfaces : iface ...
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1answer
16 views

LSB init service dependency

I have added the two services A and B. B is dependent on A, meaning that if I will start B then A should be start automatically if it is not running already. But A is not coming up automatically when ...
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1answer
19 views

How to migrate a cloned linux installation into a dual-boot environment alongside Windows?

I've got a new machine with Windows 8 installed on a HDD. I plan to switch that out with an SSD. I currently use Linux (Ubuntu) all of the time, but I'd like to keep the Windows 8 installation ...
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0answers
17 views

Setting up a dev environment on amazon AWS to remote desktop or ssh into for development

What I want is to set up a linux box I can then remote desktop (or ssh) into that I can use from anywhere. However I want a bit more than that and I don't know how to go about setting it up. What I ...
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0answers
14 views

Windows file shares disappear erratically in Linux file browser

My network consists of a router which acts as a dhcp server. Connected to one of its ethernet ports is a unmanaged switch which in turn has all my machines connected to it via ethernet. On this ...
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2answers
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+50

Mount a HFSPlus disk with read/write permissions in Linux

I realise that this question is similar in nature to this question, but I'm hoping to specifically bring more attention to an additional problem in one of the comments of this answer to that question. ...
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1answer
734 views

Why does it take so long for the computer to respond with “invalid password”, when using a correct password is near instant? [duplicate]

When you enter a password and it's correct the response is practically instantaneous (i.e. the log on process). When you enter an incorrect password (accidently, forgotten, etc) however, it takes a ...
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1answer
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md5sum messing up with filenames with spaces

I'm trying to generate a md5 for each file that has no user.comment extended attribute and then parse that md5 in the file's extended attribute. My script works fine but only for filenames that have ...
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0answers
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Why would updating postgresql-client uninstall postgresql?

On a Debian 7 server, apt-get was offering me to upgrate the following 2 packages: postgresql-9.1 and postgresql-client-9.1. Since I didn't want to restart the database server, I decided only to ...
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4answers
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How to use a Linux system as a land phone

I have a land line connection. I would like to receive and make calls using my computer. It is a basic land line connection which also provides broadband internet. I am not asking about VoIP. I ...
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1answer
42 views

ZFS (RAID-Z1) or “hardware” (RAID 5) on Linux system?

I have never put together a RAID array before, but i think i understand the concepts behind most raid types from my reading. Ordering three 3TB drives (WD red) to use in a xeon e3-1231 v3, 16GB ...
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1answer
23 views

How to recursively compress subdirectory's files with password

I need to recursively compress subdirectory's files with password and then delete the uncompressed file in bash file. There are zip files and other files. I don't want to compress zip files again. I ...
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0answers
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How can I create a cluster with Linux desktops? [on hold]

My school is getting rid of about 10 desktops. I am planning to build a cluster with them. Unfortunately, my knowledge in this area is tantamount to 0. I plan on installing Linux on them, but I have ...