Unixstickers Review: Pimp Out Your LaptopnixCraft
The Linux-powered device is beautiful on its own but with billions of Linux-powered devices out there it is not particularly unique. You can pimp out your Linux powered desktop, router, and Laptop to...
View ArticleUbuntu sudo: add-apt-repository: command not found error and solutionnixCraft
I'm trying to run a command 'sudo add-apt-repository ppa:foo/bar' but getting the following error: sudo: add-apt-repository: command not found How do I fix this problem on Ubuntu Linux 14.04 LTS...
View ArticleHow to install PHP 7 on Ubuntu Linux 14.04 LTSnixCraft
PHP 7 provides 2x faster performance and 50% better memory consumption than PHP version 5.6. How do I install PHP 7 on Ubuntu Linux version 14.04 LTS server? How do I install PHP 7 with PHP-FPM in...
View ArticleHow to reload sysctl.conf variables on LinuxnixCraft
I am new Linux system user. How do I reload all sysctl variables without rebooting my server?
View ArticleHow To Patch and Protect Linux Glibc Getaddrinfo Stack-based Buffer Overflow...
A stack-based critical buffer overflow was found in the way the libresolv library (glibc) performed dual A/AAAA DNS queries. A remote attacker could crash or, potentially, execute code running the...
View ArticleHow to run a command or script after running apt-get command on a Debian or...
How do I run custom command after 'apt-get upgrade' or 'apt-get dist-upgrade' on a Debian or Ubuntu Linux based system? How do I hook a script to apt-get command on my Ubuntu Linux server?
View ArticleHow to upgrade OpenSSH 7.0 to 7.2 on a OpenBSD Unix and LinuxnixCraft
OpenSSH version 7.2 has been released. How do I install or upgrade my existing OpenSSH version to 7.2 on a OpenBSD unix operating system?
View ArticleFirst 64 bit Raspberry Pi 3 released and here are the complete specs and...
A new version of the Raspberry PI 3 has released and it is amazing. It is 10x the performance of Raspberry Pi 1. Here are the complete specs for new 64-bit credit card size computer.
View ArticleFirst 64 bit Raspberry Pi 3 released and here are the complete specs and...
A new version of the Raspberry PI 3 has released and it is amazing. It is 10x the performance of Raspberry Pi 1. Here are the complete specs for new 64-bit credit card size computer.
View ArticleHow to find out Raspberry Pi GPU and ARM CPU temperature on LinuxnixCraft
I am using a Raspberry PI 2/3 credit size computer. How do I find out my GPU or ARM CPU temperature from Linux operating system command line option?
View ArticleHow to configure Nginx with free Let’s Encrypt SSL certificate on Debian or...
How do I secure my Nginx web server with Let's Encrypt free ssl certificate on my Ubuntu Linux 14.04 LTS or Debian Linux 8.x server?
View ArticleHow to configure Nginx with free Let’s Encrypt SSL certificate on Debian or...
How do I secure my Nginx web server with Let's Encrypt free ssl certificate on my Ubuntu Linux 14.04 LTS or Debian Linux 8.x server?
View ArticleHow to copy permissions from one file to another on LinuxnixCraft
I need to copy or clone file ownership and permissions from another file on Linux. Is there a bash command line option to clone the user, group ownership and permissions on a file from another file on...
View ArticleKVM libvirt assign static guest IP addresses using DHCP on the virtual...
I am using KVM/libvirt on Linux operating system and how do I assign static IP address using dnsmasq dhcpd server for my default virtual network switch?
View ArticleHow to check Debian/Ubuntu Linux package version using apt-get/aptitude...
I am a new Debian / Ubuntu Linux sysadmin. I would like to find out what version I would install if I ran the apt-get command. How do I find out which versions of a package can I install using...
View ArticleLinux: lxc forcefully stop and kill containernixCraft
I want to stop the application running inside a container. I issued lxc-stop -n myapp but the command is not returning to the shell prompt, and my lxc container entered in hang state. How do I kill my...
View ArticleUnix / Linux: Remove duplicate lines from a text file using awk or perlnixCraft
I have a text file with exact duplicates of lines. I need to remove all those duplicates lines and preserves the order too on Linux or Unix-like system. How do I delete duplicate lines from a text file?
View ArticleHow to gzip and keep original file on Unix or Linux command linenixCraft
I would like to compress a log file using gzip Unix command line utility, and I would also like to keep the original file. However, when I use the gzip my-app.log command, results in modifying my log...
View ArticleBook Review: FreeBSD Mastery: Specialty FilesystemnixCraft
A filesystem is nothing but the data structures that an operating system uses to keep track of files on a disk. The filesystem stores your pictures, music, videos, accounting data and more. The...
View ArticleBook Review: FreeBSD Mastery: Specialty FilesystemnixCraft
A filesystem is nothing but the data structures that an operating system uses to keep track of files on a disk. The filesystem stores your pictures, music, videos, accounting data and more. The...
View Article