LinuxQuestions.org

Published at LXer: Horizontal scaling is a method of adding numerous servers to a cluster to boost performance and offer high availability. Read More......

I have a particular problem and wonder if anyone could give me some advice on how to solve this properly. Basically I need to setup a virtual network over multiple libvirt servers. *Simple example...

Published at LXer: PrestaShop is an open-source shopping cart written in the PHP used to create and manage your online business. In this post, we will show you how to install PrestaShop with Apache...

Hi gang, Here's what's going on: My current computer is finally starting to give me problems of the physical kind - usb ports working inconsistently is the main problem. The system is 7...

Hi I thought I'd share the fruits of my labour. I have quite a lot of linux servers that has disabled firewalls. I inherited these systems and want to turn on the firewall on all servers with...

Hello, I would like to greet you all. Searching for "Best linux forum" on Google, I ended up here, so I hope to find a lot of useful tips and advices in order to learn linux more. Since I have...

Hi Everyone, I get an error building gwenhywfar-4.20.0 needed for Gnucash. checking for qt4 includes... not found checking for qt4 libraries... not found checking for qt4 moc... not found...

Published at LXer: The Open Invention Network welcomes China[he]#039[/he]s Inspur to its pro-Linux and open-source software patent protection organization. Read More......

Hello, everyone. I use Advaita-dark+HighContrast icon theme (black-and-white), and xfce. Things used to work just fine until 4.16, when the xfce team decided to make a political decision and...

Hi all, Has anyone upgraded git on ubuntu ? I would like to know the procedure. Looking for suggestions. I have tried to download the package via wget and tried to install it but it doesnot...

Hello, I'm a newb, I want to use this proxy https://github.com/aarond10/https_dns_proxy for DNS-over-HTTPS, on Debian 10 system. I built and installed it according to instructions in README. ...

Published at LXer: The free software movement famously got started because of a poorly designed printer. Decades later, printer and scanner manufacturers continue to reinvent the wheel, ignoring...

System info --------------------------------------- Server on which VNC is running: Code: --------- CentOS Linux release 7.6.1810 (Core) $ uname -a Linux lb-cam-bca-12...

Published at LXer: Angular is a popular open-source application development framework. It is highly extensible and used for developing mobile and web applications using TypeScript/JavaScript. ...

Published at LXer: In our previous chapter of the LFCA series, we defined a computer network and briefly brushed over some of the general Linux networking commands that you can use to retrieve...

For years *gThumb* was my preferred image viewer/cataloguer, although I used *qiv* for imdividual images in e.g. *Midnight Commander* and still do. Then along came Gnome 3 and reduced it to trash,...

Published at LXer: Conway's Game of Life is a popular programming exercise to create a cellular automaton, a system that consists of an infinite grid of cells. You don't play the game in the...

Hya, *Situation* With a perfect Debian amd64 system, an idiot did something wrong, submitting a crazy query to sqlite3 script. *What happened* A xterm was running "top", and it shows the...

Published at LXer: The first six of eighteen common tcpdump options that you should use for network troubleshooting and analysis. Read More... (https://www.redhat.com/sysadmin/tcpdump-part-one)

I have vnstat monitor my Internet use because I have a monthly quota I don't want to exceed. My desktop is connected to the modem over Ethernet and my cell phone is connected to the modem over...

Hya *Problem* Firefox (Web Content) eats up huge memory, on Debian (testing, AMD64). *Question* Does anybody run into same situation? How to troubleshoot? *Troubleshooting* So far, I have not...

Linux user many years coming back for second round to learn more programming. Newbie for sure but never quit learning, hope to chat and learn and share knowledge with many of you cheers ☺

I am running a centos 7.x server which a qlogic 2xxx fc hba, and several nvme disks organized by linux LVM. When I export a small number of logical volumes through the fc hba to host machines, IO runs...

Will arm get a slackbuild site like the x86 Slackware? I've found that many Slackbuilds work fine on arm, while some need minor changes. If we find a slackbuild that can be made to work fine on arm...

Published at LXer: 'After saying this, I immediately received hostile messages' says pumpking of version 5.xOn Monday, the Perl Core developer known as Sawyer X announced his intention to leave the...

MasterPDFEditor was upgraded this past weekend; it's always loaded and worked well before now on my Slackware64-14.2 desktop. Today when I try to invoke it this is the result: $ ./masterpdfeditor5...

Hi! Everybody I successfully install nvidia's driver for Debian 10.9 (current). It took a lot of typing from CLI, according to this instructions on debians site...

The changelog says one should report any errors that occur here on LQ. So here we go: Firefox is extremely unstable for me, usually 2 to 3 freezes a day. It's not a major problem, I just enter...

I don't know if I can do this in sed or not. sed -i "s/\(^[0-9]\{10,\}$\)/myfunction @\1/e" $tmpfile What I want sed to do go through line by line 1. see if the line is just a 10 digit number...

Published at LXer: The OpenMandriva Lx devs unveiled today their plans for releasing a new update in the 4.x series of their RPM-based fork of the Mandriva Linux distribution, OpenMandriva Lx 4.3....

Is python-gtkglext1 this https://slackbuilds.org/repository/14.2/libraries/gtkglext/? It doesn't mention anything about python and the project link is dead. I'm trying to run pycam and getting a...

if youre not supposed to blacklist kernel headers package (re: comment in /etc/slackpkg/blacklist) but im running the /testing 5.11.x kernel do i go ahead and run the 5.11.x headers and indeed...

i have a script that needs to do a few *mv* commands. if i use the *-n* option and it can't do the move, it silently quits even with *-v* included. it even sets the exit code to zero. but if i...

Hey, i would like to create a simple file Code: --------- #!/bin/bash 1st simple terminal command

Published at LXer: This guide explains how to visualize disk space usage with vizex and how to display directory and file information using vizexdf in Linux. Read More......

how to repair

delete please

I've upgraded this laptop last week to -current 64bits. Today I finally decided to bite the bullet and upgrade the kernel as well. Unfortunately I haven't been able to get it to boot with 5.10.29. I...

I am trying to run a web proxy in Debian Buster. But while testing performance I saw only 7 or 8 parallel connections got established at a time, to narrow down the issue is not with my web proxy; i...

Published at LXer: Anyone wanting to bring a similar case in the future will have to be very, very bold and very, very rich. Column You won't be paying an Oracle tax on your next Android phone....

"The NVIDIA Collective Communication Library (NCCL) implements multi-GPU and multi-node communication primitives optimized for NVIDIA GPUs and Networking" I filed an issue here:...

Published at LXer: Anyone wanting to bring a similar case in the future will have to be very, very bold and very, very rich. Column You won't be paying an Oracle tax on your next Android phone....

Hello, I am trying to make a password script in bash. However else throws a syntax error?? Code: --------- #!/bin/bash read -p "Password for user 'sick12301': " -n 1 -r if [[ $REPLY =~...

I installed -current (Fri Apr 9 20:21:07 UTC 2021) last Friday (fresh install) and added these lines to the default /etc/ntp.conf: Code: --------- server 192.168.1.192 prefer pool...

Published at LXer: OpenShift is flexible in the options available for authentication; here's how to use htpasswd for authentication. Read More......

In a world full of mobile applications, the MVP (Minimum Viable Product) is the only way to go. Developers prefer MVP because of its number of advantages. For instance, a business has a fantastic...

Respected viewer, recently unfortunately i lost the printing service in my computer i use boss linux when i go to the setting i find there sorry the printing service does not seems to be available....

Hello, I used https://tecadmin.net/ip-failover-setup-using-keepalived-on-centos-redhat/ tutorial to configure Keepalived on two CentOS web servers: Server 1: 192.168.56.7 Server 2: ...

I need to set up a secure API service with Java to allow others to do Posts to my server. All the examples I've seen demonstrate how to do requests or post to other servers. Could someone direct me...

Published at LXer: As a Linux user, you may need to make a bootable Windows USB drive for testing and education purposes or even to install it alongside your favourite distro. Whatever your...