Linux Filesystem Error: Transaction failed when using LXDnixCraft
I am a big fan of LXD, a next-generation Linux system container manager and default on Ubuntu. It allows me to run desktop apps or server apps in an isolated environment. Ubuntu provides LXD with...
View ArticleLinux Add User To Group Using Command-LinenixCraft Updated Tutorials/Posts
{Updated} How can I add a user to a group under Linux operating system using command line options? How to add an existing user into a group in Linux using command-line options?The post Linux Add User...
View ArticleHow to enable automatic updates for RHEL/CentOS 8nixCraft
I talked about yum-cron that provides auto yum updates nightly via cron. However, this package is no longer available on CentOS/RHEL 8 or Fedora Linux 29 or above. So how do you enable and install...
View ArticleHow to test the network speed/throughput between two Linux serversnixCraft...
{Updated} I have setup total four servers in cloud based data center. They run either CentOS or Ubuntu Linux. I need to make sure clustered file system performance is reasonable as my servers shared...
View ArticleHow to send emails with Postfix and Amazon AWS SES on RHEL/CentOS 8nixCraft
Amazon Simple Email Service (SES) is a hosted cloud-based email service to send and receive email using your email addresses and domains. Typically SES is used for sending bulk email or routing emails...
View ArticleHow to install curl on Alpine LinuxnixCraft
Curl is URL retrieval (download/upload) command-line utility and library. It is free software for Alpine Linux. This page explains how to search and install curl on Alpine Linux using the apk...
View ArticleHow To Display Color Man Pages in Linux and UnixnixCraft Updated Tutorials/Posts
{Updated} How do I add a bit of color to my man pages under Linux / FreeBSD / Apple OS X / Unix like operating systems? How can I view colored man pages in Linux?The post How To Display Color Man Pages...
View ArticleHow To Display Color Man Pages in Linux and UnixnixCraft Updated Tutorials/Posts
{Updated} How do I add a bit of color to my man pages under Linux / FreeBSD / Apple OS X / Unix like operating systems? How can I view colored man pages in Linux?The post How To Display Color Man Pages...
View ArticleInterview with curl creator and Swedish software developer Daniel...
Even if you do not use the curl command daily, the chances are high that you are still using curl and don't know. IoT and tons of other services on the Internet depend upon libcurl for network...
View ArticleInterview with curl creator and Swedish software developer Daniel...
Even if you do not use the curl command daily, the chances are high that you are still using curl and don't know. IoT and tons of other services on the Internet depend upon libcurl for network...
View Article25 Iptables Netfilter Firewall Examples For LinuxnixCraft Updated...
{Updated} Linux comes with a host based firewall called Netfilter. The netfilter is a set of hooks inside the Linux kernel that allows kernel modules to register callback functions with the network...
View ArticleHow to install vnstat on Alpine LinuxnixCraft
VnStat is a free and open-source app for servers and routers. It is a console-based network traffic monitor. It keeps a log of the 5-minute interval, hourly, daily, monthly, and yearly network traffic...
View ArticleHow to install vnstat on Alpine LinuxnixCraft
VnStat is a free and open-source app for servers and routers. It is a console-based network traffic monitor. It keeps a log of the 5-minute interval, hourly, daily, monthly, and yearly network traffic...
View ArticleBash get exit code of command on a Linux / UnixnixCraft Updated Tutorials/Posts
{Updated} I am a new Linux system user. How do I get the exit code of a command? How do I get the exit code or status of Linux or Unix shell command and store it into a shell variable?The post Bash get...
View ArticleHow to configure and install WiFi driver for Broadcom b43 BCM43228 on Fedora...
{Updated} This page explains how to enable and install Broadcom b43 driver under a Fedora Linux v29/30/31/32/33/34. The driver (broadcom-wl and kmod-wl) works with the many Wireless chipsets from...
View ArticleHow to restart systemd without rebooting Linux when critical libraries...
Whenever we update a critical library such as OpenSSL, we need to restart any daemons that use the library. Systemd with PID 1 itself also uses OpenSSL. How do you restart the systemd daemon without...
View ArticleDebian Linux 10.9 released and here is how to upgrade itnixCraft
The Debian GNU/Linux project has released an updated version of its stable Linux distribution Debian 10 ("buster"). You must upgrade to get corrections for security problem as this version made a few...
View ArticleHow To View CPU Temperature On Alpine LinuxnixCraft
Alpine Linux comes with a monitoring sensors package called lm-sensors. It is an easy-to-use and open-source application for monitoring CPU temperatures, voltage, and fans. This page explains how to...
View ArticleInterview with Abhinav Upadhyay, NetBSD contributor and machine learning...
Abhinav Upadhyay is an Indian software developer, the NetBSD project contributor, and works with the exciting field of machine learning (ML). Recently I did a quick Q and A with Abhinav about his...
View ArticleBash Read Comma Separated CSV File on Linux / UnixnixCraft Updated...
{Updated} How do I read comma separated CVS file under UNIX / Linux / BSD / MacOS bash script?The post Bash Read Comma Separated CSV File on Linux / Unix appeared first on nixCraft.
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