26
votes
0answers
661 views

Completing avfs fake directories in zsh

How can I tweak zsh's completion system to complete “fake” files in some circumstances? More precisely, the AVFS filesystem exposes archives as directories by creating a “fake directory” next to ...
14
votes
0answers
273 views

vim/gvim failing to put X11 clipboard in registers “+ or ”*?

Due to the lack of security with standard vino server, I switched to use x11vnc on my linux (with Xubuntu 14.04) box and SSVNC on the windows side. With vino, cut and paste from windows to Linux ...
7
votes
0answers
68 views

extracting the data block pointed to by an inode fails to correspond to the data in the file

This question is a spinoff from the following: How to extract raw ext3 inode data from disk? I have a file /tmp/foo, whose contents are a simple text string "AAA". I would like to locate the disk ...
7
votes
0answers
224 views

regarding portable sed -e… d b or ! b?

In this edit Stéphane Chazelas POSIXifies (again) my sed formatting by inserting an -expression break and another -expression statement. Now, I might just ask him why in the comments, I suppose, but ...
6
votes
0answers
47 views

tmux session killed when disconnecting from ssh

Summary: I'm trying to figure out why my tmux session dies when I disconnect from ssh Details: I have tmux installed on an Arch Linux system. When I start a tmux session I can detach from it and ...
6
votes
0answers
2k views

Switchable graphics drivers installation on Linux Mint

Firstly, sorry if there is something unclear in my question but English is not my native language and I will correct the question if needed. Here is my problem: I have a notebook with ATI RADEON ...
6
votes
0answers
104 views

How to Pass High Resolution from GRUB2 to FreeBSD?

I boot FreeBSD-10-RELEASE from GRUB2. I have set up the GRUB2 boot menu to display very nicely at my laptop's max resolution of 1024x768x32. I know it's possible to pass this resolution to the boot ...
6
votes
0answers
370 views

Is there a tool(!) to list assigned subuid and subgid values for users?

The question is basically in the title. usermod -v (--add-sub-uids) and usermod -w (--add-sub-gids) can be used to manipulate the subuid and subgid ranges for a user account, but there appears to be ...
5
votes
0answers
21 views

rsync hangs unless I defrag ext4 filesystem

I have a XBian server (Raspberry Pi version of Debian) running rsync via inetd (not the native dæmon). I am serving a couple of directories on an ext4 filesystem (on a USB disk) as individual modules ...
5
votes
0answers
40 views

ulimit logging?

When a user/process hits a ulimit is there a way to log this at the system level? I cannot find any logging information in /var/log/messages, or dmesg. I did some preliminary research and the answer ...
5
votes
0answers
452 views

Debian systems seems to recognize speakers but not the headphones for Lenovo laptops

First of All, I know there are lot of questions out there on same topic but still I could not figure out the solution. Being a average system level programmer (beginner in kernel programming) I would ...
5
votes
0answers
52 views

Setting traffic class on return packets

I have a network topology: Server <-> router1 <-> router2 <-> router3 <-> edgeRouter <-> "internet" All routers are linux based, and support iptables. The server sets ...
5
votes
0answers
68 views

How to stop bash editing the history when I reuse and modify an entry?

Some instances of bash change the command history when you re-use and edit a previous command, others apparently don't. I've been searching and searching but can't find anything that says how to ...
5
votes
0answers
626 views

“usb 3-2: can't set config #1, error -110” - USB keyboard works in Windows 8 laptop but on PC only until Linux boots

I tried 2 new USB keyboards that work until Linux starts booting. When booting I saw: [ 8.365211] usb 3-2: New USB device found, idVendor=1a2c, idProduct=0b23 [ 8.404863] usb 3-2: New USB ...
5
votes
0answers
38 views

Chrome loses Compose sequences whose last character uses Shift

In Chrome 35.0.1916.153 or 36.0.1985.125, sometimes, my Compose key partially doesn't work. As far as I can tell, combinations whose last character uses the Shift key that don't work. For example, ...
5
votes
0answers
3k views

Mounting an MTP enabled device on Ubuntu 12.04.3 LTS 32-bit

My aim is to perform file operations on my Samsung Galaxy Note 10.1 (older edition) using Ubuntu 12.04.3 LTS 32-bit. This does not work out of the box as I plugged my device and saw myself. In order ...
5
votes
0answers
348 views

Cleanup of temporary file ~/.cache/duplicity/temp failed

Often when I run Duplicity I see an error message like this at the end of the run: Cleanup of temporary file ...
5
votes
0answers
347 views

Rsnapshot destination full - how to safely rerun?

I ran my Rsnapshot backup today but my external drive became full half-way through the incremental backup (I have about 20 incremental backups now). rsync: write failed on "<path>": No space ...
5
votes
0answers
219 views

Mint 15 High temps on e-450, fan seemingly not reacting

I'm running a 64-bit Mint 15 on a Lenovo x121e with AMD E-450 and Radeon HD graphics. I'm worried about the high temperatures (I had Ubuntu before and never even noticed anything, so I never checked ...
5
votes
0answers
6k views

What's this SSH error about “incorrect RSA1 identifier” and “unspecified GSS failure”?

How can I fix this SSH problem? SSH debug errors When issuing ssh -vvv user@host the output includes the following debug messages: [...] debug3: Incorrect RSA1 identifier debug3: Could not load ...
5
votes
0answers
1k views

“nl80211: 'nl80211' generic netlink not found” when starting hostapd

I have been trying to get my Ubuntu 11.10 laptop to make an access point to connect my blackberry playbook . hostapd gave error Configuration file: ./hostapd-minimal.conf nl80211: 'nl80211' ...
5
votes
0answers
365 views

Pop-up event reminders in Korganizer, when synchronizing with Google Calendar

I have "connected" my Google Calendar with Korganizer. I create an event within my Google account. I want pop-up reminders to show up when I go home, even though the events weren't create by ...
4
votes
0answers
20 views

Simplest possible secure sandboxing (limited resources needed)

I'm working on a project that implements distributed simulations: arbitrary code is executed on multiple nodes and the results are later collected and aggregated. Each node is an instance of an ...
4
votes
0answers
24 views

Dump network traffic of single application (strace-like)

I'm looking for a way to dump pcap of network data generated by an application, in a simmilar way strace dumps syscalls, etc. eg: net-strace somecommand -args somecommand would do something over ...
4
votes
0answers
24 views

Compare PDF documents with embedded links?

diffpdf shows the visual differences in two PDF documents. Since some PDF documents include hyperlinks is there a diff that handles those also?
4
votes
0answers
50 views

Make one VNC server appear as two displays in RHEL

I have a VNC server running in virtual mode in RHEL and I am viewing it on a PC which has two screens. I can make the server use both of my screens by setting the resolution large enough: xrandr -s ...
4
votes
0answers
108 views

what is grep -v -f /dev/null expected to do exactly?

Theory: grep -f somefile or grep --file=somefile will find all lines that match one of the patterns listed in somefile. If somefile is empty, nothing will match. With grep -v you list lines that do ...
4
votes
0answers
43 views

MySQL has over 95,000 connections but processlist is empty?

I have a server that is running mysql and it's using a lot of memory. I run: mysql > show status like '%onn%'; +--------------------------+-------+ | Variable_name | Value | ...
4
votes
0answers
48 views

Sometimes the CPU fan does not start

I have a Thinkpad x240, and it works well and on normal temperatures. However, sometimes the fan does not start even when running high stress processes that warm up the CPU drastically. In these ...
4
votes
0answers
32 views

UUCP on old Xenix with serial line no modem

A little question about UUCP on Xenix or other old Unix. I have set up UUCP as follow: Devices Direct tty2a - 9600 direct Systems xenix2 Any Direct tty2a 9600 12345 in:--in: user word: password ...
4
votes
0answers
34 views

Setting up whonix with gateway and workstation on two separate hosts

I’ve had success in setting up and using whonix gateway and workstation on one machine. But I would like to set them up on different hosts, to spread out the memory and CPU requirements. I’ve not ...
4
votes
0answers
80 views

can we use something better than more for tab completion?

more is not as convenient as less. Is it possible to use something better than more for tab completion, when ls and then tab? Thanks.
4
votes
0answers
82 views

Strange cpu usage values reported by pidstat

I have a script that reports the cpu usage of a specific program reading values from pidstat. The script launches as: pidstat -C ^frontend$ -h -l -p ALL 1 1 The values reported this way sometimes ...
4
votes
0answers
43 views

file(1) and magic(5) : prioritizing a result

My question follows that one: file(1) and magic(5) : describing other formats . I want to describe a FASTA sequence ( http://en.wikipedia.org/wiki/FASTA_format) It could be a DNA sequence (with only ...
4
votes
0answers
125 views

Tracing executable without read permissions

I found some surprising behavior on Ubuntu 14.04 when using strace on an executable, which I do not have read permission on. I wonder if this is a bug, or if some standard mandates this obscure ...
4
votes
0answers
72 views

Using multiple SSDs as cache devices with bcache?

If we have three SSDs installed in a system, with a spare partition for the unused space on the SSD (/dev/sda2, /dev/sdb2 and /dev/sdc2). Can bcache be configured to use all three of those partitions ...
4
votes
0answers
191 views

How to write a shell script to run multiple command in different screen sessions?

My goal is to write a zsh script in order to create multiple screen sessions and run separate commands on each of them. I would also like to check at the beginning of my script if there are any ...
4
votes
0answers
75 views

How to get system to shutdown when Xorg is quit?

I installed nodm, so that Debian starts Xorg and a window manager immediately after booting, without requesting any password and without a login. How can I similarly setup Debian to shutdown the ...
4
votes
0answers
123 views

How do I execute in background / return early?

For reference, I'm using phpseclib to control a remote SSH server using the 'root' account. I have to start/stop a java process which is ran in the background. Stopping works fine with killall java ...
4
votes
0answers
80 views

Mutt: gmail archive

I want to recreate the gmail archiving method. I sync (using offlineimap) my inbox and my all mail folders, and, by archiving, I want to keep the one in All Mail and delete the one in inbox. Also, ...
4
votes
0answers
2k views

UEFI install (14.04) boots to GRUB command prompt, no GUI

I just installed zorin 9 core (14.04) on my Hard-Disk in UEFI mode. But, when I boot, all that comes up is a GRUB2 command line. I've searched for solution and came up with this command configfile ...
4
votes
0answers
860 views

Can't figure out why ssh_exchange_identification: Connection closed by remote host appear

At home, I have setup a Raspberry Pi with the latest version of Raspbian and with ssh enabled. I also use a Mac Book Pro with OS X 10.9.3. I use ssh pi@192.168.0.22 to do some work on the Raspberry ...
4
votes
0answers
237 views

bash does not autocomplete my command when using sudo?

I'm using SaltStack. I would like to auto-complete the minion name when calling salt command. The following line has been added into ~/.bashrc: complete -o default -o nospace -W "$(sudo ls -1 ...
4
votes
0answers
194 views

Why does hdparm see two different values for the size of a drive?

I have a 1 TB drive attached via USB. It contains an LVM physical volume filling the entire device (without any partition table). When I tried to extend a logical volume by using the entire PV, the ...
4
votes
0answers
94 views

No elevated permissions when using GUI applications on i3 wm

I'm running Lubuntu 13.10 with the i3 window manager. Tasks that need elevated permissions, like installing applications from the lubuntu software center or using the gnome-disks, complain about not ...
4
votes
0answers
359 views

Monitor connected via displayport to DVI adapter won't sleep properly

I have a monitor connected to my machine that displays odd behavior when entering power saving sleep mode. When entering sleep, the monitor will alternate between blanking and displaying a default ...
4
votes
0answers
99 views

automatic disconnection of RAID array

A RAID array connected to my system (Debian 7) via USB frequently disconnects itself for no apparent reason. Upon initial connection to the system, the device is detected, and the array can be ...
4
votes
0answers
160 views

Set custom locales in Gnome3 (on Fedora 20)

I've created my own custom locales and placed them in /etc/locale.conf which successfully takes effect if I log in on a virtual console (Ctrl+Alt+F2). In my Gnome3 session those variables are not set, ...
4
votes
0answers
305 views

How can I get Mumble's overlay working?

Mumble and Team Fortress 2 (TF2) both work fine for me individually, but I cannot get mumble-overlay working, either independently or within TF2. I've tried putting the following launch options into ...
4
votes
0answers
521 views

GNOME keyring manager and gnupg

I get this gpg: WARNING: The GNOME keyring manager hijacked the GnuPG agent. gpg: WARNING: GnuPG will not work proberly - please configure that tool to not interfere with the GnuPG system! when I ...

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