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Updated 2026-06-09 21:01
Learning TCPDUMP
Hello everyone, I have basic experience with Linux. I'm here to learn from your experience with tcpdump. I have the ability to use this command on a network of around 70 users and at least to...
LXer: How to create the user interface for your Corteza Low Code application
Published at LXer: In the first two articles in this series, I explained how to use Corteza Low Code to create an application to track donations and set up its data structure with modules and...
Seeking Asylum, not Technical help just yet.
Greetings one and all.:hattip: I finally decided back in April, that the time was right to abandon the MS 'modus operandi' and join up with a much nicer sort of organization. My home built machine...
LXer: IBM and Canonical work together in financial services
Published at LXer: Just because IBM owns Red Hat doesn[he]#039[/he]t mean it[he]#039[/he]s not working with other Linux powers such as Ubuntu Linux. Read More......
Thunar shortcut - how to include path on remote macine
I am playing with xfce on a CentOS 8 installation (in place of the latest perversion of Gnome3.) I am wanting to connect from the CentOS virtual machine back to the host with Thunar. Searching...
Error: named restart failed in VestaCP
Hello, i am a complete noob at Linux. I got a cent07 linux vps from warezboss.com with the intention to host a couple of demo websites. I am using cloudflare dns for the below listed websites...
How to mount image created by dd?
Hello I'm trying to mount dd image of a boot partition. These are the method I tried unsuccessfully. Code: --------- # dd if=/dev/sda1 of=sda1.dd # blkid sda1.dd
date in tray is wrong!!
Hey! https://ibb.co/3mFtW9B date in tray is wrong! I came for interview one day before!! please fix it ASAP!
boot freeze after kernel-firmware upgrade 190923 -> 190926
Like the title says. This happens on AMD vega64. 100% sure it is graphics related since it boots fine nomodeset. Also sure is was the firmware upgrade since none of my kernels boot with it....
Latest release recommended
Hello everybody, Kindly advice over which is the latest RHEL release I should use in order not to get enrolled in quality control activities, that is, which is the most recent but stable release to...
Ssh-Keygen copy error
Hi Team,I generated a key using ssh-keygen. I used ssh-copy-id like this ssh-copy-id -i maruf@192.168.122.7 to copy to node server.But i got this error /bin/ssh-copy-id: ERROR: ssh: connect to...
Bluetooth headphones always switching to low-quality audio profile
My system is ASUS S300CA Operating System: Kubuntu 19.04 KDE Plasma Version: 5.15.4 KDE Frameworks Version: 5.56.0 Qt Version: 5.12.2 Kernel Version: 5.0.0-29-generic OS Type: 64-bit...
How to remove 'Photo' app in elementary? (5.0 Juno)
Hello! I can't remove the photo app in elementary ... at least not in the AppCenter (because it's not listed in the 'installed apps' (don't ask me why) :confused: ). Image:...
Buggy behavior on BL5.1
Hi Folks, I'm experiencing what I can only describe as buggy behavior on BL5.1. When starting BL from the grub menu and then selecting Manager, an accounting program that I use, everything behaves...
LXer: 3 command line games for learning Bash the fun way
Published at LXer: Learning is hard work, and nobody likes work. That means no matter how easy it is to learn Bash, it still might feel like work to you. Unless, of course, you learn through...
merge PDF files, with one file with even, one with odd pages
Hi, is it possible to merge two pdf files, one with only even pages and one with odd pages automatically via terminal in the correct order? My scanner can only scan the front pages...
Entered 'startx' instead of password for SUin terminal. X-org server authorization problems
Posting from another windows laptop Feel like banging my head. Below are the messages 1. xauth: file /home/san2ban/.serverauth.1188 does not exist 2. xauth: timeout in locking authority file...
Construction management Course
A Construction Manager is one of the most fundamental members of any building project. From choosing the location right through to the grand opening, the Construction Project Manager is involved in...
Some websites are barely readable
Hi all. Some Websites which I open in Firefox are barely readable, e.g.: https://www.switch.ch/aai/guides/sp/certificate-rollover/ Attachment 31452...
LXer: How To Adjust Monitor Brightness From Command Line In Linux
Published at LXer: This brief tutorial explains how we can adjust monitor brightness from command line in Unix-like operating systems. Read More......
LXer: 7 Bash history shortcuts you will actually use
Published at LXer: Most guides to Bash history shortcuts exhaustively list every single one available.*The problem with that is I would use a shortcut once, then glaze over as I tried out all the...
PCI-DSS compliance using Redhat/CentOS 7 question?
Could be reaching here but... Does anyone have a fix for a "Statistical Weaknesses in TCP/IP Initial Sequence Numbers" running on RedHat/CentOS 7 ??? Below is a snippet of a testing service...
LXer: Fedora projects for Hacktoberfest
Published at LXer: It’s October! That means its time for the annual Hacktoberfest presented by DigitalOcean and DEV. Hacktoberfest is a month-long event that encourages contributions to open source...
Newbie trying to understand container images
Hi, I am a newbie to Linux and a newbie to working with servers. I have been given two Dell PowerEdge R620 servers to play with, and I would like to set one up with Linux. This whole exercise is...
Goofing around with containers
Hi, I am a newbie to Linux and a newbie to working with servers. I have been given two Dell PowerEdge R620 servers to play with, and I would like to set one up with Linux. This whole exercise is...
clnt_create: RPC: Port mapper failure - Unable to receive: errno 113 (No route to host)
disable firewall
High RAM memory usage in xfce with nvidia driver
My xfce install is using after boot more than 100mb more RAM than in other distributions, I noticed that this does not happen with nouveau or other drivers, or if I install only the nvidia module but...
solved NFS mount.nfs access denied by server while mounting fedora
just give file permission to the folder which shared ie right click on folder select properties click permission and select access file to all thats all have a nice day........ h
Compiling GCC, not baking rpath correctly
I am attempting to compile my own copy of gcc 9.2.0 on CentOS 8 in a non-standard path, ~/tools/system. I have local copies of automake, autoconf, libtool, gmc, mpc and mpfr in there and they all work...
LXer: The four easiest places to get started with automation
Published at LXer: Automation is a big deal these days but where to start? It doesn't have to be scary or expensive. Here are four options to point you in the right direction. Read More......
LXer: First Arch Linux ISO Powered by Linux Kernel 5.3 Is Now Available for Download
Published at LXer: Arch Linux fans rejoice, a fresh new ISO snapshot of your favorite GNU/Linux distribution is now available for download and it ships with the latest Linux kernel series. Read...
Why is udevd trying to delete all my partitions?!
I see these messages when I boot: Code: --------- systemd-udevd[637]: Process '/sbin/partx -d --nr 1-1024 /dev/sdc' failed ... --------- (repeats for all my discs except sda) I don't...
USB external drive problem with exFAT drives.
USB external drive problem with exFAT it says it will only work with Windows 10 and Windows XP. It warns if you reformat it will destroy the drive. It is an cheap 2 Terabyte one which works straight...
my alternative term to "googling" for searching
Because I abhor Google, I have tried to abjure the word "googling" to generically describe using a search engine. I have a feeling others have already thought of this--it was obvious enough--but my...
LXer: How To Count The Number Of Files And Directories in a Directory on Linux
Published at LXer: 2DayGeek: This article allows the user to count files and directories recursively on a Linux system. Read More......
device-mapper: reload ioctl on (253:21) failed: Cannot allocate memory When activating the vg with vgchange
Hi All, I am getting an error when activating the VG with vgchange command. Code: --------- vgchange -a y case_volume device-mapper: reload ioctl on (253:21) failed: Cannot allocate...
What OS for an ISPcorporate datacentre based on Raspberry PI4
I hope that this has not been fully explored in a previous thread but I could not find one that addressed this. I have a small ISP setup based on CentOS that has been in evolution since the late...
Ethernet Network Connection to Instrument IP & Internet IP
To perform an experiment, an ethernet connection from an instrument and an ethernet connection for the internet needs to be established on a ThinkPad R500 laptop with Debian 10 xfce4. The laptop has...
LXer: How to Install Atom Editor on Ubuntu
Published at LXer: Atom is a free and open-source text editor that is modern, approachable, and hackable to the core. In this article, we will explain how you can install the latest stable and beta...
Intro
Hello everyone, I just registered for the site finally although I've found answers to questions on here for a long time. Thanks to all of those who have contributed all the useful info.
[SOLVED] [Request] Bash How To Remove Rows In File Containing Text In Specific Column
This is for my large hard drive wiper i am running at the moment So i will be running a command that outputs text in the terminal I will be appending these lines with >> smartlog.txt i need to...
if driver is no longer loadable module and part of kernel where is it?
i have a new kernel version where when I was using its previous version, I had load the module driver using modprobe as well as used with other associated commands i.e. modinfo...
LXer: How to Install and Secure Redis on Ubuntu 18.04 LTS
Published at LXer: Redis is an open-source, in-memory key/value store, used as a database, cache, and message broker. In this tutorial, we will show you how to install and configure Redis Server on...
How to install Flatpak in Deepin 15.11?
I just tried it but is not looking very promising: First I ran this command line: Code: --------- sudo apt-get install software-properties-common --------- Then I tried to add the Flatpak...
9.0 systemd rustc build failed
Hi all, Was working on firefox install. Building rustc failed to link with this error: rustc-1.35.0-src ]# source /etc/profile.d/rustc.sh bash: pathprepend: command not found Anyone know...
What do you remember about your first Linux install?
The LQ Poll series continues: What do you remember about your first Linux install? --jeremy
LXer: How To Add and Delete Users on CentOS 8
Published at LXer: When starting with a fresh CentOS 8 instance, adding and deleting users is one of the most basic tasks that you may have to do.Adding user can be quite useful.In this tutorial,...
Exploit failed error 'undefined method 'socket' [Virtual Box]
*Using Kali Linux 2.6 (64-bit) on VirtualBox* (yes, I have a Mac) Our professor gave us a Windows server zip file to download as a VM. I added both Kali and the Windows VM on the NAT network on...
LXer: Asciinema - Record Terminal Sessions And Share Them On The Web
Published at LXer: Asciinema is a fast, light-weight and open source Terminal recording tool that can be used to record Terminal sessions in Linux. Read More......
How to save the desktop in 19.04/Gnome?
I finally got 19.04 installed on the MSI laptop, every other distro seemed to have some kind of problem but this is the smoothest one. Questions: 1) How do I save the desktop so upon a reboot, I...
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