https://www.vandenboom.icu/en/tags/linux/Recent content in linux on NotitiesHugo -- gohugo.ioenMon, 24 Mar 2025 17:57:51 +0000https://www.vandenboom.icu/en/blog/2025-deskflow-bedien-meerdere-computers-met-1-keyboard-en-muis-voor-macos-windows-en-linux/Mon, 24 Mar 2025 17:57:51 +0000https://www.vandenboom.icu/en/blog/2025-deskflow-bedien-meerdere-computers-met-1-keyboard-en-muis-voor-macos-windows-en-linux/With Deskflow you control multiple computers — macOS, Windows or Linux — using a single mouse and keyboard. It works as a software-based KVM switch (without video) and is sponsored by Synergy. This program is still actively maintained, with an intuitive interface that makes it easy to use. Tip: disable TLS in the settings for a smooth start. Download it via: https://github.com/deskflow/deskflow/releases. Look for the “latest” tag and check all assets for the correct version!https://www.vandenboom.icu/en/blog/2025-installing-oracle-virtualbox-on-ubuntu-linux/Sun, 23 Mar 2025 13:20:53 +0000https://www.vandenboom.icu/en/blog/2025-installing-oracle-virtualbox-on-ubuntu-linux/Try the following steps: $ sudo apt update $ sudo apt upgrade $ sudo apt install curl $ curl -fsSL https://www.virtualbox.org/download/oracle_vbox_2016.asc | sudo gpg –dearmor -o /usr/share/keyrings/virtualbox-archive-keyring.gpg $ echo “deb [arch=amd64 signed-by=/usr/share/keyrings/virtualbox-archive-keyring.gpg] http://download.virtualbox.org/virtualbox/debian noble contrib” | sudo tee /etc/apt/sources.list.d/virtualbox.list $ sudo apt update $ sudo search virtualbox virtualbox/noble-updates 7.0.16-dfsg-2ubuntu1.1 amd64 x86 virtualization solution - base binaries virtualbox-7.0/unknown 7.0.24-167081~Ubuntu~noble amd64 Oracle VM VirtualBox virtualbox-7.1/unknown 7.1.6-167084~Ubuntu~noble amd64 Oracle VirtualBox $ sudo install virtualbox-7.https://www.vandenboom.icu/en/blog/2025-tips-for-using-xrdp-on-ubuntu-linux/Sun, 23 Mar 2025 12:51:59 +0000https://www.vandenboom.icu/en/blog/2025-tips-for-using-xrdp-on-ubuntu-linux/To be able to use XRDP on Ubuntu Linux try the following instructions: $ sudo apt update $ sudo apt upgrade $ sudo apt install xrdp $ echo “gnome-session –session=ubuntu” > ~/.xsession $ echo “export DISPLAY=:10.0” > ~/.bash_profile $ echo “xhost +” > ~/.bash_profile $ ip a Remember write down your IP address of your system and to log out of your graphical user session. Now try to login to your system with a RDP tool.https://www.vandenboom.icu/en/blog/2025-install-microsoft-visual-studio-code-in-linux-from-the-repo/Sat, 22 Mar 2025 22:13:54 +0000https://www.vandenboom.icu/en/blog/2025-install-microsoft-visual-studio-code-in-linux-from-the-repo/Follow the below steps to install Microsoft Visual Studio Code IDE on Linux from its repository: sudo rpm –import https://packages.microsoft.com/keys/microsoft.asc sudo sh -c ‘echo -e “[code]\nname=Visual Studio Code\nbaseurl=https://packages.microsoft.com/yumrepos/vscode\nenabled=1\ngpgcheck=1\ngpgkey=https://packages.microsoft.com/keys/microsoft.asc” > /etc/yum.repos.d/vscode.repo’ sudo dnf install code -yhttps://www.vandenboom.icu/en/blog/2024-ldap-ipa-server-op-red-hat-enterprise-linux-7/Thu, 15 Feb 2024 10:47:28 +0000https://www.vandenboom.icu/en/blog/2024-ldap-ipa-server-op-red-hat-enterprise-linux-7/If you are using a hosts file, make sure it contains FQDNs and pay close attention to the order in which they appear. Check the hosts file and adjust it if necessary: The FQDN must come first, followed by any aliases. /etc/hosts 10.0.0.1 server1.example.com server1 application1 If an alias is listed before the FQDN, you may encounter error messages that are not immediately traceable to this cause.https://www.vandenboom.icu/en/blog/2024-maak-een-zombie-proces-in-linux-m-b-v-een-c-programma/Wed, 31 Jan 2024 20:54:45 +0000https://www.vandenboom.icu/en/blog/2024-maak-een-zombie-proces-in-linux-m-b-v-een-c-programma/Below is the source code of a C program to create a Zombie process in Linux and analyse it. vim create_zombie_process.c #include <stdlib.h>#include <sys/types.h>#include <unistd.h> int main () { pid_t child_pid; child_pid = fork (); if (child_pid > 0) { sleep (60); } else { exit (0); } return 0; } Compile the C source code into an executable program: gcc create_zombie_process.c Start the program: ./a.out Open a second Terminal and view the process list.https://www.vandenboom.icu/en/blog/2024-checkmk-installation-on-rocky-linux-9-3/Tue, 16 Jan 2024 21:13:15 +0000https://www.vandenboom.icu/en/blog/2024-checkmk-installation-on-rocky-linux-9-3/Checkmk installation on Rocky Linux 9.3 dnf install epel-release setsebool -P httpd_can_network_connect 1 firewall-cmd --zone=public --add-service=http --permanent firewall-cmd --reload wget https://download.checkmk.com/checkmk/2.2.0p18/check-mk-raw-2.2.0p18-el9-38.x86_64.rpm yum install check-mk-raw-2.2.0p18-el9-38.x86_64.rpm omd version omd create monitoring omd start monitoring http://localhost.localdomain/monitoring/ user: cmkadmin with password: <given> omd su monitoring (For command line administration of the site.) cmk-passwd cmkadmin (After logging in, you can change the password for cmkadmin with.) (optional) omd status omd sites omd help (optional for after reboot if you get the error: Unable to connect) omd update-apache-config monitoringhttps://www.vandenboom.icu/en/blog/2024-installing-the-virtualbox-guest-additions-on-rocky-linux-9-3/Tue, 16 Jan 2024 21:08:26 +0000https://www.vandenboom.icu/en/blog/2024-installing-the-virtualbox-guest-additions-on-rocky-linux-9-3/Installing the VirtualBox Guest Additions on Rocky Linux 9.3 dnf install epel-release dnf update --refresh dnf update kernel-* reboot (optional) dnf install dkms kernel-devel kernel-headers gcc make bzip2 perl elfutils-libelf-devel rpm -q kernel-devel uname -r Top menu: Devices -> Insert Guest Additions CD-Image Run (optional) cd /run/media/ ./VBoxLinuxAdditions.runhttps://www.vandenboom.icu/en/blog/2023-the-linux-mlocate-command-under-macos/Wed, 27 Sep 2023 17:40:13 +0000https://www.vandenboom.icu/en/blog/2023-the-linux-mlocate-command-under-macos/The Linux mlocate command under macOS sudo /usr/libexec/locate.updatedb sudo ln -s /usr/libexec/locate.updatedb /usr/local/bin/updatedbhttps://www.vandenboom.icu/en/blog/2023-linux-disk-space-information-more-clearly-excluding-the-denied-and-cannot-messages/Tue, 05 Sep 2023 06:23:38 +0000https://www.vandenboom.icu/en/blog/2023-linux-disk-space-information-more-clearly-excluding-the-denied-and-cannot-messages/$ du -hs * 2> >(egrep -iv ‘permission denied|cannot access’) | sort -nhttps://www.vandenboom.icu/en/blog/2023-linux-locate-lost-storage-space-difference-between-results-df-and-du/Tue, 05 Sep 2023 06:18:17 +0000https://www.vandenboom.icu/en/blog/2023-linux-locate-lost-storage-space-difference-between-results-df-and-du/$ lsof | grep -E ‘^COM|deleted’https://www.vandenboom.icu/en/blog/2023-authomatisch-inloggen-op-een-linux-server-m-b-v-putty-onder-windows/Fri, 17 Feb 2023 14:51:15 +0000https://www.vandenboom.icu/en/blog/2023-authomatisch-inloggen-op-een-linux-server-m-b-v-putty-onder-windows/You can automatically log in to a Linux server on Windows using PuTTY by making use of a key file. Below I explain step by step how to do this. Create a key: start: puttygen.exe Click on: Generate Click on: Save private key Go to PuTTY Configuration -> Session Load a previously created session or create a new one Go to: Connection -> SSH -> Auth -> Private key file for authentication -> Browse Select your file with the private key: *.https://www.vandenboom.icu/en/blog/2022-installeer-python-3-9-op-ubuntu-linux/Sun, 03 Apr 2022 18:55:18 +0000https://www.vandenboom.icu/en/blog/2022-installeer-python-3-9-op-ubuntu-linux/$ sudo apt install software-properties-common $ sudo add-apt-repository ppa:deadsnakes/ppa $ sudo apt update $ sudo apt install python3.9 $ python3.9 –versionhttps://www.vandenboom.icu/en/blog/2022-installeer-de-editor-vscodium-op-ubuntu-linux/Sun, 03 Apr 2022 14:22:24 +0000https://www.vandenboom.icu/en/blog/2022-installeer-de-editor-vscodium-op-ubuntu-linux/$ wget -qO - https://gitlab.com/paulcarroty/vscodium-deb-rpm-repo/raw/master/pub.gpg | sudo apt-key add - $ sudo echo ‘deb https://vscodium.c7.ee/debs/ vscodium main’ | sudo tee –append /etc/apt/sources.list.d/vscodium.list $ sudo apt update $ sudo apt install codiumhttps://www.vandenboom.icu/en/blog/2022-installeer-de-google-chrome-web-browser-op-ubuntu-linux/Sun, 03 Apr 2022 11:51:54 +0000https://www.vandenboom.icu/en/blog/2022-installeer-de-google-chrome-web-browser-op-ubuntu-linux/$ wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | sudo apt-key add - $ sudo sh -c ‘echo “deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main” » /etc/apt/sources.list.d/google-chrome.list’ $ sudo apt update $ sudo apt install google-chrome-stablehttps://www.vandenboom.icu/en/blog/2022-nieuw-leven-in-een-oude-apple-computer-imac-macbook/Fri, 25 Feb 2022 11:09:02 +0000https://www.vandenboom.icu/en/blog/2022-nieuw-leven-in-een-oude-apple-computer-imac-macbook/Install the VirtualBox application and run a virtual machine inside it with the latest version of Linux or Windows. In many cases this can solve problems with browsing the internet — for example, making it possible to visit websites that no longer work in the old Apple environment.