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.

Filter by
Sorted by
Tagged with
2 votes
1 answer
6k views

Bluetooth stopped working correctly after possible update

I been using bluetooth flawlessly on Ubuntu 16.04.3 LTS for the last 6 months, connecting mouse/keyboard/headphones simultaneously. But suddenly there was some kernel update I think because I had to ...
Pierre-Verthume Larivière's user avatar
3 votes
1 answer
6k views

Blank White Screen On Skype after a successful login

I'm running skypeforlinux under Ubuntu 14.04.5 LTS (“Long Term Support”). After the login procedure the skype window becomes white, allowing me to open each of the commands-menu, but practically ...
Hastur's user avatar
  • 18.9k
2 votes
1 answer
1k views

What is the purpose of 'nice' command without a niceness parameter?

I often see this code in anacrontab samples on the internet: # environment variables SHELL=/bin/sh PATH=/sbin:/bin:/usr/sbin:/usr/bin MAILTO=root RANDOM_DELAY=30 # Anacron jobs will start between 6am ...
thierrybo's user avatar
0 votes
0 answers
549 views

Moving Windows system reserved partition

I just installed the Windows as a dual boot. I've decided I want to expand my Windows partition, but in between the Windows partition, which I want to make bigger, and my Linux partition, which I want ...
Scratchywon's user avatar
3 votes
1 answer
11k views

Fresh installed Debian 9 is bootin into black screen

I just installed Debian 9 via bootable USB. Everything went well. But at the first boot after boot menu the error pops out: ERROR RADEON KERNEL MODESETTING FOR R600 OR LATER REQUIRES FIRMWARE-AND-...
Demolice's user avatar
2 votes
2 answers
2k views

Show OK / FAILED boot messages on Debian

During my boot on Debian Jessie, I have a message beginning with "[FAILED]" in red color, but it's going too fast and I don't have the time to read what's after... How can I display those colored ...
jaydee99's user avatar
4 votes
3 answers
5k views

CUDA 9.1 installation error: does not have a version.txt file! Ensure you are installing to an existing toolkit directory

I'm installing the run file version of CUDA 9.1 on a linux box which has CUDA 8.0 on it. The file I'm installing is: cuda_9.1.85.1_linux.run sudo cuda_9.1.85.1_linux.run The download options were: ...
davidparks21's user avatar
  • 1,602
0 votes
1 answer
569 views

How to make port forwarding in initramfs stage?

I can install dropbear into the initramfs and successfully connect to this ssh server (IP: my_initramfs_ip) on boot stage, as described here. Now I want to perform a port forwarding as a client at ...
ceremcem's user avatar
  • 605
3 votes
2 answers
83k views

How to install when permission denied to /usr/local/bin/ [closed]

I need a quick help. I am a beginner so I think my problem is an easy one: Here it goes: I need to install a software application called muscle, and these are the steps from its website: wget http://...
104078's user avatar
  • 157
0 votes
1 answer
140 views

How do I boot from a partition on my external HDD

I partitioned my 1TB external HDD into 4 parts. I use one to store files. I booted Kali Linux from my 16gb usb stick and installed kali on one of my external HDD partitions. The installation was ...
ebere's user avatar
  • 21
1 vote
1 answer
2k views

Why is inotifywait -m running multiple times? (infinite loop)

I have a git post-receive script that looks like this: #!/bin/bash export GIT_WORK_TREE=/home/git/worktree mkdir -p $GIT_WORK_TREE while read oldrev newrev refname do # ensure the working copy ...
Andy's user avatar
  • 111
0 votes
1 answer
473 views

Samba reload on new dhcp lease

I have a phone tethered via usb. I'm using the phone's data connection. Whenever I run dhclient for the new lease ( NetworkManager is off ) I get error messages but the lease succeeds. Here is the ...
Arnab Mukherjee's user avatar
1 vote
1 answer
1k views

sudo netstat -antp not showing PID

i am testing stuff with sockets and i encountered that strange case : i coded i very simple tcp server in c, i made it block after accept(), just to see what happen when accepting multiple connection ...
joseph M'Bimbi-Bene's user avatar
1 vote
2 answers
5k views

create text file on remote machine using plink/putty with contents of windows local machine's text file

I want to basically transfer a small text file ~10kb from a windows local machine to a linux machine through putty/plink. I cant use any file transfer tools like pscp/winscp etc So I'm think of ...
Abhi's user avatar
  • 13
2 votes
1 answer
469 views

Mount and Unmount trigger Desktop environment crash

I'm posting this question here, but is also available on here. I'm running an up-to-date Fedora 27 on my laptop. Since a couple of days, every time I plug in or unmount a removable device (USB Drive, ...
Cynical's user avatar
  • 121
0 votes
1 answer
209 views

How to delete files/folders with illegal names?

How can I delete a set of files that contain illegal characters including new lines? The file system is FAT32. On Windows, besides trying with Explorer, which gave me a 80004005 error, I've tried ...
Mox's user avatar
  • 101
6 votes
1 answer
7k views

Why doesn't ulimit -n work when called inside a script?

This is very odd. I'm trying to set the ulimit to 60000 via my startup.sh: #!/bin/bash ulimit -n 60000 echo "Hello! File Descriptor set" I can execute this with ./startup.sh (755 file permissions) ...
John Miller's user avatar
-2 votes
1 answer
944 views

Kali Linux not starting [closed]

I am beginner in Linux Systems. I had downloaded Kali 3 32-Bit to run on a 64 Bit computer. However it is only working with 32-Bit Computers. I don't know why but the login screen doesn't comes in 64 ...
Ch Muhammad Sohaib's user avatar
0 votes
1 answer
51 views

Need to partition a SSD in Linux without elevated privileges

Pretty straight forward. I am creating some software that needs to be able to remove existing partitions, partition and format an SSD/HDD without escalated privileges. This can be done by just about ...
soulsabr's user avatar
  • 156
3 votes
3 answers
22k views

How do I manually set the time to a UTC timestamp in Linux?

If I want to set the time I know I can use a command like this: sudo date +%T -s '17:45:00' And it will set the clock to 5:45pm in the system time zone. This means that if I have the system set to ...
soapergem's user avatar
  • 1,648
3 votes
1 answer
639 views

Mounting HDD starts to constantly spinning

I have a 1 TB WD external drive that I intend to use for backups for my Linux machine. I have formated my drive using GPT with ext4. Everytime I plug my drive in my system it says it is connected and ...
Paul Haun's user avatar
  • 127
2 votes
1 answer
2k views

MySQL. No directory, logging in with HOME=/

I have an Ubuntu 14.04.1 x32 - it is my home server. Recently I had MySQL 5.5 installed, but now I want to upgrade it to 5.7 using APT repository from MySQL official site, but now it cannot be started ...
MadBrozzeR's user avatar
-1 votes
1 answer
1k views

Changing TERM variable and color output

I've set the TERM environment variable like so export TERM=linux-m to switch to non-color term. Now when i issue ls -l i indeed got no color output, but when i use for e.g: grep --color abc 1.txt it ...
Ringger81's user avatar
  • 1,157
0 votes
0 answers
218 views

Connecting external hard disk drive into a Linux vps

Is it possible to connect an external hard disk drive into a vps folder, say /drive using linux centos 6-64 vps? How can we do this? Thanks
Mike's user avatar
  • 37
0 votes
0 answers
360 views

Making VMs work in a private network in virtualbox

I've been trying out DHCP to work in virtualbox to assign IPs to VMs in hostonly networking or any other method that could do the job. Unfortunately I don't have wired modem right now, I'm using ...
user2593869's user avatar
2 votes
1 answer
7k views

How do you find possible values for freq_list and/or scan_freq in wpa_supplicant.conf?

The wpa_supplicant.conf file can have parameters freq_list and scan_freq. How do I find what are the possible values for either or both of these parameters? freq_list=5500 5520 ... scan_freq=5500 ...
mcarans's user avatar
  • 133
3 votes
1 answer
11k views

Mirror all traffic from one port to another on localhost using iptables

i need to mirror all packets from port 162 to another (for example 1162) on localhost. I know that TEE can mirror packets but to some ip address. Maybe it is possible in one rule change also ...
Neci's user avatar
  • 41
2 votes
0 answers
143 views

Route all traffic throuch a Linux machine

I want do route all traffic from and to two IP phones (SNOM D305) through a Linux machine for debugging purposes. The IP phones have a builtin 2-port switch each and the setup looks like this: ...
siffed's user avatar
  • 21
3 votes
1 answer
742 views

Binutils 2.29 installation error when attempting to build a Linux distro using “Linux From Scratch” instructions

I am attempting to build a Linux distribution with Linux From Scratch (LFS) version 8.1. I am building it with ElementaryOS (which is based on Ubuntu) which I have installed on VirtualBox on my Mac. I ...
Nathanael Carper's user avatar
1 vote
1 answer
2k views

Using GUI apps with Xming and PuTTY on Windows

I'm new to linux and connecting to a centOS server through PuTTY. And I want to use GUI apps like gedit, google-chrome, etc on it. I installed Xming on my windows 10 pc and enabled X11 forwarding in ...
user159234's user avatar
3 votes
1 answer
172 views

Why some commands that don't normally require sudo, require it in SSH session

There are commands (poweroff, reboot, etc.) in Linux that can be executed without root privileges in normal session, but need root privileges if they are executed in SSH session. I'd like to know two ...
Hanlon's user avatar
  • 549
2 votes
0 answers
287 views

Proper permissions for postfix piped script

As my almost-alliterative title states, I am attempting to configure postfix to pipe incoming messages to a PHP script. As it currently stands, postfix apparently attempts to run the script as the '...
Ryan Griggs's user avatar
-1 votes
2 answers
3k views

Changing terminal settings from Putty client

I' using Putty client to connect to ssh server running on Virtualbox Linux machine. I'm trying to change the prompt color by setting the PS1 variable like so: export PS1="\u@\h:\e[0;1m\w\$\e[m" but ...
Ringger81's user avatar
  • 1,157
0 votes
1 answer
500 views

Linux - bash script to find directories with conditions

I have many users under /home. Each user has a certain amount of directories with big sizes. I extracted the list of users created on the system into a text file without system users (uid below 1000). ...
LebLinux's user avatar
0 votes
1 answer
329 views

Accidental Messing With chmod

I just learned the permissions and executability and tried to make some files (if that helps, /usr/local/bin/idea/bin/idea.sh and /usr/local/bin/julia) executable. Unfortunately, I did something ...
Ashkan Ranjbar's user avatar
1 vote
0 answers
4k views

LVM : lvextend on striped volume

This is my first question in "stack"-systems and... it's probably very silly. Especially because I think I know the answer, but as it's about some production system with critical data, I'd like to ...
Paul Zakharov's user avatar
23 votes
9 answers
19k views

Will buffer be automatically flushed to disk when a process exits?

When I redirect a command's output to a file (e.g., echo Hello > file) will that file be guaranteed to have such data right after the command exits? Or is there still a very small window between ...
Eric's user avatar
  • 351
1 vote
1 answer
787 views

Setting TERM enviroment variable

I'd like to change the terminal type to the one with no colors support (for e.g linux-m). To achive this i've set the TERM environment variable like so: export TERM="linux-m" But it seems do ...
Ringger81's user avatar
  • 1,157
2 votes
1 answer
3k views

Mysql server restart failed

My question is exactly the same as this one here, Why is “mysqld.pid” and “mysqld.sock” missing from my system even though the values are set in “my.cnf?”. I followed all the steps provided in the ...
Lesego M's user avatar
  • 131
2 votes
0 answers
531 views

MacOS - How to change syslogd's log level for a specific process/program?

I am new to MacOS and I would like to get a better of view of what's going on with a system process when my computer is starting up. I can see in the log that a process is changing settings, but the ...
Cathy A. Brink's user avatar
0 votes
1 answer
4k views

How VPD is accessed via SMBus/I2C in a pci device?

Similar to what IPMI is querying, how will I access VPD of every device in a target server via SMBus/I2C? Do I need a driver for this or the i2c-dev module is enough? How to verify which is which on a ...
starz's user avatar
  • 1
0 votes
2 answers
52 views

Assign specific CPU's specific parallel processes on larger Google Compute Engine Machine Types

I've already found this SU question (it is similar but not the same): How to limit Google Compute Engine CPU utilization to 100% I don't want the parallel processing to be sandboxed from each other, ...
Jacob's user avatar
  • 1
1 vote
3 answers
9k views

MDADM raid "lost" after reboot

I am kind of scared right now, so I hope you can bring light on my problem! A few weeks ago, I bought a new 2TB drive and decided to setup a software RAID 5 with MDADM on my HTPC (drive sdb, sdc and ...
Patrick Pruneau's user avatar
0 votes
1 answer
774 views

Finding a string in a file within a directory then moving that entire file to a new folder

I'd like to pref ice with the fact that I am pretty new to really working deeply with bash and Linux, so any help would be immense even just in starting tips that worked for you. The problem I have ...
Alastair Price's user avatar
4 votes
2 answers
852 views

Record SSH terminal in linux

I am configuring a Bastion Host Jump Server I'm trying to record SSH terminals in the server automatically, I'm using TermRecord. The problem starts when I add TermRecord -o ss.html to my .bashrc: ...
Mohamed Ali Belhajali's user avatar
1 vote
1 answer
1k views

Bash script: for loop after two ssh commands

Following Double SSH and execute interactive shell, I need to run two type of loops after two ssh commands: #!/bin/bash/expect ssh -t -t server.com ssh -t -t virtualHostName '" declare -a arr=("...
period23DIJason's user avatar
7 votes
1 answer
4k views

Linux trap signals to handle SSH connection dropped/killed

I’ve got a command in an npm script that SSHes into a remote build server and runs a Bash script. The script sets up a lockfile and a trap call to delete the lockfile when the script exits. I’m ...
notbrain's user avatar
  • 598
2 votes
1 answer
3k views

Determining the bs value for dd

I am using an external 1 TB WD hard drive with Advanced Format (4096 bytes sector size). What is the recommended value for the bs option in dd? Should I use dd bs=4096? And if I get this value "wrong" ...
Paul Haun's user avatar
  • 127
0 votes
0 answers
250 views

Mysql -u root not working, can't change password, reinstalling doesn't work

So, all of a sudden, for no reason I could find, mysql simply stopped working in my computer. I'm running Ubuntu 16.04, and I've tried to reinstall mysql about 4 times, all to no avail. Whenever I try ...
Bruno Munhoz's user avatar
1 vote
0 answers
1k views

Ubuntu 14.04, wifi interface disappeared

A few days ago wifi network interface on notebook disappeared. Before that all works fine. There is information Notebook model sudo dmidecode System Information Manufacturer: Sony Corporation ...
sinitsynsv's user avatar

1
376 377
378
379 380
1176