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How to enable firewalld logging for denied packets on LinuxnixCraft
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 under a...
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How to append text to a file when using sudo command on Linux or UnixnixCraft...
I am trying to add entry to /etc/hosts file using 'sudo echo '192.168.1.254 router' >> /etc/hosts' command, but getting an error that read as, -bash: /etc/hosts: Permission denied. How do I...
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How to append text to a file when using sudo command on Linux or UnixnixCraft...
I am trying to add entry to /etc/hosts file using 'sudo echo '192.168.1.254 router' >> /etc/hosts' command, but getting an error that read as, -bash: /etc/hosts: Permission denied. How do I...
View ArticleLetsencrypt is revoking certificates on March 4nixCraft
Let's Encrypt is a non-profit certificate authority that provides X.509 certificates for Transport Layer Security (TLS) encryption free of cost. The TLS certificate is valid for 90 days only. However,...
View ArticleLetsencrypt is revoking certificates on March 4nixCraft
Let's Encrypt is a non-profit certificate authority that provides X.509 certificates for Transport Layer Security (TLS) encryption free of cost. The TLS certificate is valid for 90 days only. However,...
View ArticleLinux QuiznixCraft
Let us test your basic knowledge of Linux systems, including commands.The post Linux Quiz appeared first on nixCraft.
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Linux append text to end of filenixCraft Updated Tutorials/Posts
{Updated} I am new Linux user and sysadmin for CentOS enterprise Linux 7 running on couple of VMs and bare metal boxes. How to add lines to end of file? How do I append text to end of file using the...
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20 Unix/Linux Command Line Tricks - Part InixCraft Updated Tutorials/Posts
{Updated} Unix and Linux command line tricks to increase productivity at the Terminal. I have found them over the years, and I am now going to share with you.The post 20 Unix/Linux Command Line Tricks...
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20 Unix/Linux Command Line Tricks - Part InixCraft Updated Tutorials/Posts
{Updated} Unix and Linux command line tricks to increase productivity at the Terminal. I have found them over the years, and I am now going to share with you.The post 20 Unix/Linux Command Line Tricks...
View ArticleLinux Trivia: Did you know what Linus wanted to call his kernel...
Linux Trivia: Linux very nearly wasn't called Linux. Did you know what Linus wanted to call his kernel initially?1. Free Unix 2. Freax 3. LinusOS 4. TuxOSThink you know the answer?The post Linux...
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exa a modern replacement for ls command in rust for Linux/UnixnixCraft...
ls is a command to show files in Linux and Unix-like operating systems. A ls command first appeared in a version of AT&T UNIX UNIX as well as in Multics. BSD and GNU Coreutils package provides the...
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CentOS 8 Set Up OpenVPN Server In 5 MinutesnixCraft
How do I set up an OpenVPN Server on CentOS 8 Linux server to shield my browsing activity from bad guys on public Wi-Fi, and more?The post CentOS 8 Set Up OpenVPN Server In 5 Minutes appeared first on...
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CentOS 8 Set Up OpenVPN Server In 5 MinutesnixCraft
How do I set up an OpenVPN Server on CentOS 8 Linux server to shield my browsing activity from bad guys on public Wi-Fi, and more?The post CentOS 8 Set Up OpenVPN Server In 5 Minutes appeared first on...
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CentOS 8 set up WireGuard VPN servernixCraft
How do I install and set up WireGuard VPN server on a CentOS 8 Linux? How can I configure CentOS 8 as the WireGuard VPN server?The post CentOS 8 set up WireGuard VPN server appeared first on nixCraft.
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Make Linux/Unix Script Portable With #!/usr/bin/env As a ShebangnixCraft...
Why do some shell/perl/python scripts begin with #!/usr/bin/env? How do you make your Unix script portable across different UNIX like operating systems?The post Make Linux/Unix Script Portable With...
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Make Linux/Unix Script Portable With #!/usr/bin/env As a ShebangnixCraft...
Why do some shell/perl/python scripts begin with #!/usr/bin/env? How do you make your Unix script portable across different UNIX like operating systems?The post Make Linux/Unix Script Portable With...
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Ansible zypper update all packages on OpenSUSE/SUSEnixCraft
I got a cluster of servers powered by OpenSUSE / SUSE Enterprise Linux. How can I update all of them using the zypper module of Ansible? How can I use Ansible for system updates and reboot the server...
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Ansible zypper update all packages on OpenSUSE/SUSEnixCraft
I got a cluster of servers powered by OpenSUSE / SUSE Enterprise Linux. How can I update all of them using the zypper module of Ansible? How can I use Ansible for system updates and reboot the server...
View ArticleUnix Basics QuiznixCraft
Let us test your basic knowledge of Unix systems, including commands.The post Unix Basics Quiz appeared first on nixCraft.
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Linux and Unix dig Command ExamplesnixCraft Updated Tutorials/Posts
{Updated} dig is a network administration and sysadmin command-line tool for querying the Domain Name System (DNS). The dig man page lacks many practical examples that are needed by sysadmin to...
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