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.
58,859
questions
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Multitail: how to view whole file?
I have a big log file (10000 lines). When I open it with multital only last ~100 lines are loaded, so I can't scroll back and view another preexisting lines.
Doesn't work because affect only on new ...
- 1,167
0
votes
1
answer
926
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PPTPD on CentOS: no connection
I have installed PPTPD on my CentOS server and try to connect to it from my Mac and my Android smartphone. Both failed. This is the log on my Mac (from ppp client):
Mon Jun 22 22:11:58 2015 : ...
- 53
4
votes
1
answer
679
views
Function using watch on command with command line arguments
I want to run watch on a command which uses an optional command line argument, like this:
function queue() {
watch -n 10 'squeue -p ${1:-default} -o "%.8i" '
}
but the command-line argument isn'...
- 559
3
votes
3
answers
21k
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Linux - Avoid cat: no such file or directory when file does not exist
I am checking via a bash script whether a process is running based on the PID stored in a file. I get the error shown above when the file does not exist as the command is trying to access the file and ...
- 77
0
votes
0
answers
1k
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Logrotating all logs in a directory causes date duplication
I have a logrotate config that looks like this:
/var/log/update-job/*.log {
daily
rotate 7
compress
delaycompress
size 0k
missingok
copytruncate
notifempty
dateext
...
- 103
1
vote
1
answer
3k
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How to Glusterfs reload the gluster volume/bricks info
I have setup GlusterFS (3.5.3) replicated volumes on top of LVM on two identical Ubuntu 14.04 servers(vmware workstation). they are working fine.i want to know how to reload the gluster brick/volume ...
- 163
0
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0
answers
2k
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Files in Samba share not visible on some Windows computers (but on others they are)
I have a Debian 8 Linux machine with Samba 2.4. On this machine I have configured a Samba share:
[myshare]
path = /path/to/my/share
writeable = yes
browseable = yes
public = yes
force user = myuser
...
- 1,480
6
votes
2
answers
4k
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Tmux: binding Ctrl-`
I'd like to bind Ctrl-` in tmux to select-pane.
I've tried:
bind -n C-` select-pane -t :.+
Which gives me: unknown key C-`
I've also tried:
bind -n 'C-`' select-pane -t :.+
Which gives me the same ...
- 63
1
vote
2
answers
17k
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Putty Window inactive after certain time
I am currently processing on a server. I am using Putty to do this. As I am running multiple processes (8), I am using multiple cores as well.
After a certain time (2-3 days) I get an error saying:
...
- 11
3
votes
2
answers
18k
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Downloading a file from website - what port will be used?
If I go to a website and click on a link to download a file, what will be the protocol that is being use? Is it still HTTP? Will the source port and destination port remain the same?
E.g. client (src ...
- 1,605
1
vote
0
answers
453
views
Is there a way to use google voice on magic jack on linux?
I am running the latest Ubuntu. Here is what I want to achieve:
I want to be able to dial a number on the phone on my magic jack, and connect the call via google voice. I have tried running GV jack ...
- 1,819
2
votes
1
answer
2k
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Using a locally built libOSMesa to enable WebGL in Firefox?
Well, I wanted to try to check out WebGL on Firefox (v38.0.5 on Linux); and I realized that in about:config, webgl.osmesalib was set to /usr/lib/libOSMesa.so.6, while about:support claimed:
Graphics
-...
- 5,608
1
vote
1
answer
2k
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Where does cups-pdf store its temporary files?
I recently tried to save a rather large document using to a PDF using cups-pdf. Something appears to have gone wrong and it went on to produce several GB worth of data somewhere on my hard drive, ...
- 21
0
votes
1
answer
9k
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Linux utility for recovering Windows CD Key from HDD? [closed]
I've got a Windows HDD and no access to a Windows machine but I have Ubuntu. What's a good Linux utility for recovering the CD Key from the Windows 7 installed on this drive?
- 305
0
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1
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720
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How can I install kerberised services on debian?
I installed kerberos in my debian environment and made it work with SSH. I also would like to try it with other services but I could not install them on debian. I followed several tutorials e.g.
...
- 103
0
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1
answer
1k
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unknown filesystem grub rescue ubuntu
I have linux under windows partition. I have 4 disks in which one of them windows is installed and 2 for data. Another one is 15GB hard drive, Which always asks me to format either I open it in ...
neooo
3
votes
2
answers
5k
views
Why doesn't fc-match respect my match and edit rule for Courier when it does for Consolas?
I am using Debian with XFCE.
Default behavior: No match or alias
First, let me show the default behavior of my system when ~/.config/fontconfig/fonts.conf has no match or alias tags.
<?xml ...
- 189
2
votes
1
answer
5k
views
NFS mount causes boot delay
When booting my debian unstable linux box the process is delayed when it attempts to mount NFS partitions from another machine which is not switched on. The message displayed during boot is:
[*** ] ...
- 405
2
votes
0
answers
1k
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How to gvfs-mount a CD as non-root user?
I can mount a CD like this:
sudo dbus-launch gvfs-mount cdda://sr0
And I get the tracks as .wav files in /root/.gvfs.
But it mounts as root, and chown doesn't work (not implemented in the fuse ...
- 808
0
votes
1
answer
719
views
Snort Failing to start on Ubuntu 9.04
EDIT: Hey! To anyone stumbling across this question who followed this guide: https://help.ubuntu.com/community/SnortIDS
It's too old and WILL NOT work! Find a different one!
I'm trying to get Snort ...
- 167
7
votes
2
answers
1k
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Which signal numbers work with the kill command?
We all know the kill command in Linux (kill -9 if some more power is needed ;) ), but what I don't understand is what are the other numbers for?
These are the numbers I know:
kill -1 → Hangup (...
user460895
0
votes
1
answer
2k
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How to open ports on a vps server by IPv4 mapping?
I'm new to VPS, and I chose vps.me(free version) for hosting a game server. The game server needs the ports 28760, 28763 and 28764 to be open. I read their documentation and said I must use IPv4 ...
- 103
0
votes
1
answer
4k
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nvcc can't be found error
im trying to setup a tool that requires nvcc but im unable to to do.
This is what i got so far:
Installed the CUDA toolkit
Verified it by using nvcc -V
output:
nvcc: NVIDIA (R) Cuda compiler driver
...
- 36
2
votes
1
answer
3k
views
wpa_supplicant on Debian doesn't connect to network
I'm currently trying to connect to my home WiFi network (WPA2 security), but when I run sudo wpa_supplicant -B -D wext -i wlan0 -c /etc/wpa_supplicant.conf, running /sbin/iw wlan0 link immediately ...
- 21
9
votes
1
answer
2k
views
SSH to Vmware virtual machine with NAT network [duplicate]
right now I am able to ssh to host over internet and ssh from host to the virtual machine. What I want to do is ssh directly to the Guest machine from outside.
I tried to do this using iptables:
...
- 203
0
votes
1
answer
123
views
Find which graphic card in use
My laptop has two graphic cards, Nvidia and Intel. I'm using Archlinux.
I want to know which graphic card the X server is using.
What is the command line command for that?
- 103
1
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3
answers
110
views
Are Security Updates necessary behind a router?
Are Security Updates necessary behind a hardware firewall like a router which doesn't has any open ports. The question applies to whatever the operating system is, say Windows, Linux, Android..
My ...
- 11
1
vote
1
answer
2k
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single user vs multi user mode (without networking) init level 1 vs 2
I tried init 1 (single user mode) and i am still able to switch between users. So this leads me to think that maybe other users is not able to login if i have a network (hence single user mode)
Then ...
- 1,605
1
vote
1
answer
2k
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understanding Stats on folder in Linux
This is my stat output on a folder
stat Downloads/ File: `Downloads/' Size: 4096 Blocks: 8
IO Block: 4096 directory Device: fd02h/64770d Inode: 259595
Links: 3
What does it mean ...
- 1,605
-1
votes
2
answers
64
views
Only show part of logfile in bash script
OpenVPN log looks like this:
OpenVPN
CLIENT LIST
Updated,Sat Jun 20 04:20:07 2015
Common Name,Real Address,Bytes Received,Bytes Sent,Connected Since
[ A .... ]
ROUTING TABLE
Virtual Address,Common ...
- 1,176
5
votes
2
answers
311
views
Is there a performance difference when installing an OS on the last partition?
I have a laptop with Windows installed on a GPT hard drive. I want to have another partition to store data and yet another to install Linux Mint (or Ubuntu, still deciding). Should I install it on the ...
2
votes
1
answer
6k
views
Should a Linux Swap partition be on the RAID?
When setting up a new system, if I am planning on mirroring two hard drives, what should I do with the SWAP area? I can think of three things I can do...
Do a mirror of the SWAP partition
Stripe it ...
- 24.4k
2
votes
0
answers
475
views
Prevent ARP spoofing in AP, “wl deauthenticate” command
I am in a situation where I cannot do MAC filtering in an AP and I need to block a user that is ARP spoofing the network. I am trying to use the command wl deauthenticate to kick the client. And I ...
- 21
1
vote
1
answer
11k
views
Installing 64 bit CentOS using VirtualBox
I downloaded VirtualBox to a windows 8.1 machine by selecting the Windows (32-bit/64-bit) installer option at this link on the Oracle web ste. But when I try to create a new Virtual Machine using ...
- 354
1
vote
1
answer
62
views
How to merge all files that end with .mk in a directory and subdirectories into one file?
I have many makefiles in a top level directory and its subdirectories. I want to combine them all into one big .mk file, what's the most efficient way to do that?
- 195
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vote
1
answer
7k
views
How do I make netcat timeout nonsilently?
I'm trying to send some data to a server with a command like nc -w 3 IP_ADDRESS PORT < data where nc is the netcat from FreeBSD 5.4. When the server doesn't respond within 3 seconds I get no ...
- 113
5
votes
1
answer
10k
views
How can I disable google chrome's terrible sub-pixel anti-aliasing in PDFs?
I'd just like to turn it off, because it's quite distracting when every PDF looks so colourful. I've looked through chrome://flags and there's an LCD text anti-aliasing option but it doesn't seem to ...
- 2,782
0
votes
1
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432
views
How to get files created in last 5 days and form a list for informatica source
Find all the files of the format yyyymmdd_test.txt created in last 5 days.
The file may not be available or created for a day in between as well.
i.e. for 5th june if following are the available ...
1
vote
0
answers
721
views
Optimal load balancing between two hard disks. Does RAID 1 do the trick?
I am looking for a linux disk system for streaming media purposes that would do smart load balancing and minimize hard disk wear.
To illustrate my points, lets take a physical hard disk device and ...
- 111
1
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0
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148
views
Want to send automatic mails from email server, That To addres has to read from email that i received.?
I want to send multiple mail automatically.
I will receive mail as
FROM: [email protected]
TO: [email protected]
BODY: mail contains ([email protected])
What I want to is take the username@domain3....
- 11
0
votes
1
answer
385
views
Can't configure network on ubuntu server using drac
I have installed Ubuntu 14 server on my server using DRAC of Dell. I have got all the info from my server company like IP Addresses, Gateway, Netmask and so on. I have tried to configure the network ...
- 3
0
votes
2
answers
99
views
How to disable displaying previously viewed code/output from command line in linux?
For example, if I view a piece of doc called a.txt in linux. Here is my prompt:
user $ less a.txt
This is a document named a.txt, here is what happened when I press 'q'
user $
Small document doesn'...
- 195
1
vote
0
answers
127
views
file names with space character in conk configuration
I am trying to load an image in Conky (running under Linux), where the image has got space characters in its path. like this:
${execp echo "\${image \"$(qdbus org.mpris.MediaPlayer2.vlc /org/mpris/...
- 111
3
votes
2
answers
532
views
btrfs not distributing data to smaller disks in 4-disk RAID1 array
I have a btrfs filesystem composed of four disks of sizes 3TB, 3TB, 1TB, and 1TB, configured in a RAID1 (data and metadata).
I've noticed that btrfs doesn't seem to want to use the smaller disks at ...
- 2,402
1
vote
1
answer
331
views
Halting tar after locating entry or EOF in an actual tape archive
I've just been handed a pile of LTO-5s and a tape library, and the exciting task of extracting a subset of files.
Order of magnitude is 60 tapes from said pile, around 10,000 files of 70,000 per tape ...
- 1,227
0
votes
0
answers
3k
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Synchronize two folders over sftp?
I have a cloned git repository in a directory and a sftp server, I want the server to be in sync with my repository.
I've been trying multiple Atom/Sublime Text plugins with no luck, they only upload ...
- 177
0
votes
1
answer
189
views
Unable to install fedup on Fedora 20
I have an old Fedora 20 system. I'm trying to upgrade it to Fedora 21 following Upgrading to Fedora 21 Workstation from Fedora 20. Its a small tutorial on Fedora's Fedup tool, which is the only offial/...
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1
answer
1k
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Print to zebra zt400 with print server
we want to print to a zebra printer attached to a printer server hardware.
We have installed cups on a ubuntu machine and setup the ip and port of the print server but when we send something to print ...
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4
votes
5
answers
917
views
How does one identify the linux distro in use?
What I normally do to at least get some idea of what branch we're talking about, I try to run apt-get, pacman, yum and all other common package managers that I can remember off the top of my head, but ...
- 6,098
0
votes
1
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563
views
Secure Boot for Linux?
Is the "esp boot partition" as secure as an ext2 partition. If the secure boot feature is not enabled.
My current research reveals contradictory opinions among the leading OSes, with choice ...
- 33