Questions tagged [linux]
A family of Unix-like operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.
58,872
questions
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How to encrypt data in bitbucket without losing git diff tools?
Based on this question:encrypt files before sending them to cloud.
considering openssl:
For example when using openssl we can write the files fooenc.sh:
#!/bin/sh
openssl enc -bf -nopad -pass pass:...
- 141
9
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0
answers
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How do I install Nix on a custom directory?
I have been trying to follow the Nix wiki to install Nix on a custom path /scratch/gopinath/nix. The /nix path is not accessible to me due to the restrictions on the system provided by my university. ...
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0
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Linux Mint: Switch Wacom pen sides
I am running Linux Mint 17 x64 on Cinnamon. I have a Lenovo Thinkpad X220 with tablet. My pen has something wrong with it (Windows and Linux) where the eraser and pen are flipped when it registers. ...
- 213
2
votes
1
answer
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Create custom PCM device in ALSA
How can I create custom PCM device with dmix-slave and use it in audacious without touching global PCM? Is it even possible? I tried miscellaneous configurations but no luck. ALSA asound.conf syntax ...
- 121
2
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2
answers
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NetworkManager icon on notification area is not present
I have noticed that recently the NetworkManager icon is not present on the notification area plugin on my XFCE panel after every fresh login; however, I am able to see its notifications and it in fact ...
- 3,326
0
votes
1
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SSH on Raspberry Pi (OpenELEC) not working
I am not able to use SSH to connect to the Raspberry.
Raspberry Pi B+
OpenELEC 5.0.8 (SSH enabled)
wired eth0 (recognized during setup)
10.190.135.xxx IP address
If I ping the said 10.190.135....
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0
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4
answers
56
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What issue exists when multiple lines of 'date' are used in bash?
I'm currently reading through a book on bash programming, Pro Bash Programming. At one chapter (Chapter 4) they ask what problem the following script has. I myself have no clue after reading through. ...
- 103
2
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0
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Permission to execute denied for every file in /tmp
When I try to execute any program from the /tmp directory, it shows me /tmp/file_name: Permission denied. The same error is shown when I simply enter /tmp. The file system for /tmp is ramfs. I've ...
- 143
0
votes
2
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638
views
Flash not showing in /dev but I see it in lsusb
I have a USB flash drive. I formatted it some time ago, and an copy of my Bitcoin private keys were on it. I would like to recover it (it was formatted as Ext4, if I remember). After plugging the USB ...
- 415
2
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0
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283
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How do I disable devices to conserve power?
I run ArchLinux on a Lenovo G series and downloaded powertop and it says that USB bluetooth and "USB device: Lenovo EasyCamera" are drawing a lot of power. While it advised I implement these rule:
...
1
vote
2
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398
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Modify a large file, then be able to rollback changes doing it (almost) inplace
I'm recovering data from a damaged 500GB disk drive. I'm copying data (ext4 partition) to a 500GB image file. The process is taking about 3 months of copying in total (yes, months). So I'm using dd ...
- 393
0
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1
answer
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KODI remote isn't working
I'm trying to correctly configure KORE, the official Kodi Remote app for Android, but I'm unable to do so.
My copy of Kodi is installed on a laptop with openSUSE as a base system, and both it and my ...
- 9,386
2
votes
1
answer
332
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How can my home server accept and reply to connections from the Internet when OpenVPN client is running?
I have a headless home server running Ubuntu Server 12.04. A 3rd party website (to which I'm subscribed) periodically sends commands to a daemon on my home server which in turn responds to the 3rd ...
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1
vote
3
answers
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Fedora 21 reports root file system as 100% full, cannot use yum
When I try to use a yum command like
yum update
the terminal yields this:
Error: Insufficient space in download directory /var/cache/yum/fedora
* free 0
* needed 100 k
When I execute ...
3
votes
1
answer
696
views
How to find the difference between bash completion rules on different hosts?
In my desktop computer with opensuse 13.1 I can press Tab in something like
ls *.dat[Tab]
and I get the autocompletion or with [TAB TAB] a list of possible matches. However, in my laptop with ...
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1
vote
0
answers
1k
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LVM: "Volume group is not consistent" and "Incorrect metadata area header" but volume still mountable
I'm on Ubuntu 14.04 with a volume group that has 4 disks in it:
Incorrect metadata area header checksum on /dev/sde1 at offset 4096
Incorrect metadata area header checksum on /dev/sde1 at offset ...
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1
vote
2
answers
74
views
How to add the filepath to a specified line of a file using bash script?
I have the following bash code:
echo "Enter an input path"
read -e input_path
OLDTEXT="\put(0,0){\includegraphics{/"
NEWTEXT="\put(0,0){\includegraphics{$input_path/"
find . -...
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3
votes
3
answers
713
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Can I get Emacs to save a local copy when editing a remote file?
I know I can edit a remote file over SSH by opening a file path of the form /ssh:user@host:/path/to/file.
However, right now I'm working on a kernel module in a Linux VM. Since my kernel module might ...
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1
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1
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294
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Is a btrfs RAID1 mountable if the added device isn't available/offline/failed/degraded?
Assume I created a RAID1 with btrfs's functions (btrfs device and btrfs balance subcommands instead of mdadm) like so:
btrfs device add /dev/sdxZ /dev/sdxY
btrfs balance start -dconvert=raid1 -...
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19
votes
1
answer
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Are there any good reasons for halting system without cutting power?
Are there any good reasons to halt a system without switching off power to the hardware? I mean using the halt command without using the -p switch.
I haven’t been able to find an answer on the ...
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1
vote
1
answer
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Route traffic through google servers or google proxy
I am using Kali Linux on a 384kbps internet. But when I download from google server eg. from google drive or gmail, I get download speeds upto 3mbps. Our ISP has allowed unlimited bandwidth only for ...
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0
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1
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318
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How to select files with spaces in their name in a terminal?
When using gnome-terminal which is the default on Linux Mint, I can select files using a double click. For example:
user@hostname $> ls
1.file.name
2-file-name
3 file name with spaces
This ...
- 873
0
votes
2
answers
258
views
Transparently split file | Hardlink to file part
I have really big file (TrueCrypt container) and I want to save it in some cloud, but it has constraint on file size, limiting to 2 Gb, also it has some tool to sync directory. The idea is to create ...
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1
vote
1
answer
341
views
Some characters in zsh don't show until the key is released
When inputting specific characters in zsh shell (in my case e and ;) they don't show up immediately after pressing the key. Instead they only show up a short time after releasing the key. When these ...
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1
vote
1
answer
2k
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Synology ssh port receiving too many intrusion attacks, how to ban systematically?
I have a synology NAS which I leave at home, and leave it open so I can access it remotely from the office.
One of the useful things to do is enable the ssh port so I can access it with my terminal. ...
- 5,941
3
votes
1
answer
14k
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Older History of commands linux
I want to check history of commands on my linux server that dates 1month and 4 days old, but the history is showing up to 1 month only (I was late checking it earlier).
I know the ' History ' command ...
- 157
2
votes
2
answers
4k
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can we do the full disk encryption of a already installed Linux machine?
I need some information regarding any possibility to do full disk encryption for a already installed Linux system(e.g centOS or Ubuntu).
Is there any default mechanism for FDE present in Linux like "...
0
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1
answer
1k
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Unable to boot Ubuntu 14.10 on Toshiba Satellite C55D with UEFI boot mode
I am trying to get Ubuntu 14.10 to boot on my Toshiba Satellite C55D-B5212. I have UEFI boot mode and Secure Boot enabled. The Ubuntu live USB stick booted without issues and the install seemed to ...
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0
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0
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194
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Windows 8 partition safe to delete
I'm fairly new to Windows since XP. After Windows XP, I happily moved to Linux. Now, I'm back and am looking to dual boot a new Windows 8 machine and am a little disoriented on the new partition ...
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3
votes
2
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1k
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Parse file from certain line onwards in bash on Linux
I have a CSV file containing the following registers:
Name,Phone,Country
John,N/A,USA
Max,N/A,USA
Name,Color,Size
John,Blue,M
Max,Red,S
How can I read only the registers from Name,Color,Size and ...
- 3,326
0
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1
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138
views
Debian user desktop not working on TightVnc
I have a BBB with tighvncserver on it. Iam trying to connect from my windows pc via tightvnc to the beagleboard.
With root its working fine. The desktop displays correctly. See attached Screenshot
...
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0
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0
answers
1k
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DD-WRT: /tmp folder permissions
After making a simple hello world OpenWRT package I installed it to the /tmp folder on the dd-wrt device. The program shows up in ls /tmp but when I try to execute it, it shows me /tmp/helloworld: ...
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0
votes
1
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How to rsync a folder and subfolders using filenames only?
I would like to synchronize files from the folder /media/alex/Disk1/Movies to the folder named /media/alex/Disk2/Movies. I want to copy each file from /media/alex/Disk1/Movies or a subdirectory to the ...
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3
votes
1
answer
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VMware Workstation - Linux/gnome screen saver locking of guest and host
I've got some RHEL6 machines that run VMware Workstation 11 on them. The host and the guest are required to have a screensaver enable after 15min of inactivity that goes to a lock screen.
My users ...
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0
votes
1
answer
309
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Kernel Thread that won't exit, Load Average +1
So I have a new server that is up and running with Centos 6, and the load average is stuck hovering around 1, even when the machine is nearly idle. I reviewed the process table and found this running:...
- 101
0
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1
answer
612
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the difference with bitrate and frame rate with ffmpeg
I am working on the project that compressed live video with ffmpeg.
I want to know what is the difference between -b 2500k(bitrate) and -r 25 (frame rate)? Is the any relation?
0
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1
answer
2k
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CPU Load + Frequency per core in linux terminal?
I am doing scientific computing and I need to keep an eye on the cpu frequency and load of each core (there are 2 cores, on Ubuntu 14.04 w/ Gnome3). I can see the frequency with this bash script:
...
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1
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1
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411
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Networking for CentOS 6.6 on VirtualBox
I have created 2 guests with 2 Network interfaces each - all 4 of which have the "Attached To:" set to "Internal Network". The aim is to create a simple internal network with no access to the Host (...
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0
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159
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Alternative versions of SVN subversion on one Linux machine
I work on Ubuntu with several svn java repositories and they have different versions of svn (I can't update svn version on server side).
So is it possible to install old subversion version (1.6, 1.7) ...
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2
votes
1
answer
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Send keystrokes to two windows at once
What I want to do: Be able to enter keystrokes while one program is in focus, but also send the same keystrokes to a second program on the other screen.
What I have tried: xvkbd - I've tried ...
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3
votes
2
answers
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Windows 10 virtual machine disappears in seamless mode in Arch Linux
I have Arch Linux (64-bit) and I installed 32-bit Windows 10 in VirtualBox. Everything seems to work fine—fullscreen, scaled, etc…—except for seamless mode. When I activate seamless mode, the virtual ...
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votes
1
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How to check if an attached SSD device is SATA or PCIe on Linux?
I have a machine with both SATA and PCIe SSDs attached. Is there a set of Linux commands (on Ubuntu or CentOS) that I can use to check if a given SSD is SATA or PCIe?
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1
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Install and Configure Nvidia Video Driver NixOS
The Problem
I built a new computer this week and installed NixOS on it. The only problem that I am having with it is that I cannot seem to get the Nvidia drivers installed for it.
The computer has ...
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4
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722
views
While loop Bash script that outputs how many users use a certain shell
So I am stuck on trying to create a bash script while loop function that takes the input from /etc/passwd and outputs how many of users use bash, nolongin, csh, and ksh. I believe I am supposed to ...
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votes
4
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6k
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Find directories that contain more than one file of the same extension
I’m using Debian 8.0 and would like for example to find directories that contain more than 1 .mkv file. I tried this and it failed:
find -type d -exec find {} -name '*.mkv' | wc -l\;
There is a ...
- 873
0
votes
1
answer
311
views
Cronjob: Iterate through files
I want to iterate through a list of bash scripts with a cron-job. I.e. every two hours I want to start another bash script. My idea was to set a new environment variable, each time the cronjob script ...
- 101
1
vote
2
answers
6k
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apt-get error when installing git
I just set up a fresh Ubuntu 12.04.5 server amd64 machine on VirtualBox 4.2 (I was having install issues on OSX 10.10 using 4.3) and I'm able to do apt-get install curl but when I run apt-get install ...
- 1,132
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1
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784
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how to see NeuG/Fraucheky True Random Number Generator?
I recently purchased an FST-01 from the Free Software Foundation with
NeuG and Fraucheky pre-installed: http://shop.fsf.org/product/usb/
I am running Debian Jessie and even when I plugged it in, the
/...
- 417
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votes
2
answers
735
views
Fedora CHECKSUM giving error in Windows
I've never used Fedora before this. I just downloaded the image from official website (Live Workstation 64bit). I downloaded the CHECKSUM as well. Now when I try to verify the CHECKSUM using the given ...
- 101
0
votes
1
answer
376
views
Port translation - how to scatter outbound traffic across random ports?
I would like to be able to PAT such that outbound traffic for a given destination port is translated to some random port within a range on a per-PDU or per-packet basis.
The intention is that ...
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