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Linux Change or Rename User Name and UIDnixCraft Updated Tutorials/Posts
{Updated} How do I change user name (rename user name) or UID under a Linux operating system using command line tools? How do I change or rename username in Linux?The post Linux Change or Rename User...
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How to install kotlin programming language on Ubuntu/Debian LinuxnixCraft...
{Updated} How do I install the latest version of kotlin programming language on Ubuntu or Debian Linux system?The post How to install kotlin programming language on Ubuntu/Debian Linux appeared first...
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How to check if CentOS / RHEL needs a full rebootnixCraft
I am using a CentOS/RHEL 6/7/8 server. How do I check from the command line if a reboot is required for my CentOS host? How do I check if a host powered by CentOS Enterprise Linux needs to reboot after...
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How to check if CentOS / RHEL needs a full rebootnixCraft
I am using a CentOS/RHEL 6/7/8 server. How do I check from the command line if a reboot is required for my CentOS host? How do I check if a host powered by CentOS Enterprise Linux needs to reboot after...
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How do I know if my Linux is 32 bit or 64 bit?nixCraft Updated Tutorials/Posts
{Updated} I need to find out if my Linux server is running on 32-bit or 64-bit system. How do I know if my Linux is 32 bit or 64 bit?The post How do I know if my Linux is 32 bit or 64 bit? appeared...
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How do I know if my Linux is 32 bit or 64 bit?nixCraft Updated Tutorials/Posts
{Updated} I need to find out if my Linux server is running on 32-bit or 64-bit system. How do I know if my Linux is 32 bit or 64 bit?The post How do I know if my Linux is 32 bit or 64 bit? appeared...
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How to create a Linux swap filenixCraft
I am a new Linux system developer and user. How do I create a Linux swap file from the command line option for my cloud server? How can I add swap space on my Ubuntu 20.04 LTS or CentOS Linux 7/8...
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How to create a Linux swap filenixCraft
I am a new Linux system developer and user. How do I create a Linux swap file from the command line option for my cloud server? How can I add swap space on my Ubuntu 20.04 LTS or CentOS Linux 7/8...
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How To Protect SSH With Fail2Ban on CentOS 8nixCraft Updated Tutorials/Posts
{Updated} My ssh log file shows too many password failures. Random IP address trying to brute force my sshd server running on CentOS 8 server. How do I protect ssh with fail2ban on CentOS 8 Linux...
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How To Protect SSH With Fail2Ban on CentOS 8nixCraft Updated Tutorials/Posts
{Updated} My ssh log file shows too many password failures. Random IP address trying to brute force my sshd server running on CentOS 8 server. How do I protect ssh with fail2ban on CentOS 8 Linux...
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How to Install Java on Ubuntu 20.04 LTS LinuxnixCraft
Can you explain how to install Java on Ubuntu 20.04 LTS Linux system?The post How to Install Java on Ubuntu 20.04 LTS Linux appeared first on nixCraft.
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How to Install Java on Ubuntu 20.04 LTS LinuxnixCraft
Can you explain how to install Java on Ubuntu 20.04 LTS Linux system?The post How to Install Java on Ubuntu 20.04 LTS Linux appeared first on nixCraft.
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tmpmail – A temporary email right from Linux / Unix terminalnixCraft
Are you looking to send a temporary email right from your Linux or Unix terminal? Look no further. Try tmpmail command-line utility that allows you to generate a temporary email address for sending and...
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tmpmail – A temporary email right from Linux / Unix terminalnixCraft
Are you looking to send a temporary email right from your Linux or Unix terminal? Look no further. Try tmpmail command-line utility that allows you to generate a temporary email address for receiving...
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How to find and delete directory recursively on Linux or Unix-like...
{Updated} I type 'find . -type d -iname foo -delete command to find all foo directories and delete them. However, I am getting an error message that read as, find: cannot delete './hourly.4/data/foo':...
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How to find and delete directory recursively on Linux or Unix-like...
{Updated} I type 'find . -type d -iname foo -delete command to find all foo directories and delete them. However, I am getting an error message that read as, find: cannot delete './hourly.4/data/foo':...
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How to enable firewalld logging for denied packets on LinuxnixCraft Updated...
{Updated} How do I enable FirewallD logging for denied packets on Linux operating systems so that I can view all dropped packets information? How can I view a log of the traffic blocked by FirewallD...
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Alpine Linux Change Hostname (computer name)nixCraft
I am a new Alpine Linux user. By default, my server name is set to 'localhost' during installation. Now, I would like to change the computer name. How do I change the Alpine Linux computer name? Can...
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Linux / UNIX kill unresponsive hung SSH sessionnixCraft Updated Tutorials/Posts
{Updated} Sometimes my ssh session stops working because of the internet connection problem. I tried pressing CTRL-Z and CTRL-C to terminate my ssh session but failed to work. How do I properly kill a...
View ArticleQuick tip: Display banner/message before OpenSSH authenticationnixCraft
Want to display a message or banner before OpenSSH (SSHD server) authentication? Try this simple tip to show the banner or ASCII logo on your Linux or Unix system.The post Quick tip: Display...
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