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Ubuntu Linux check cron log file error or messages in /var/log/cron.log...
I am trying to find errors or message for my cron job on Ubuntu Linux server. Where is the cron log in Ubuntu Linux 12.04/14.04 LTS server? How do I check cron logs in Ubuntu server? How to check if...
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Ubuntu Linux check cron log file error or messages in /var/log/cron.log...
I am trying to find errors or message for my cron job on Ubuntu Linux server. Where is the cron log in Ubuntu Linux 12.04/14.04 LTS server? How do I check cron logs in Ubuntu server? How to check if...
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Rollback an apt-get upgrade if something goes wrong on Debian / Ubuntu...
Rolling back to the previous version may solve the problem or free the disk space. Both CentOS/RHEL support rollback feature, but I learned hard way both Debian and Ubuntu does not support rollback...
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How to enable colorized output for the ls command in Mac OS X TerminalnixCraft
I am new to Apple OS X. How do I enable colorized output for my ls command on Apple Mac OS X just like the ones that shown on my Ubuntu Linux server? How do I configure Mac OS X Terminal app to have...
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How to block an IP address with ufw on Ubuntu Linux servernixCraft
I am using UFW to manage firewall on my Ubuntu Linux 12.04/14.04 LTS server. I need to block a specific IP address from accessing my server. How do I block an IP address using ufw?
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How To Patch and Protect Linux Kernel Zero Day Vulnerability CVE-2016-0728 [...
A very serious security problem has been found in the Linux kernel. A 0-day local privilege escalation vulnerability has existed since 2012. This bug affects millions of Android or Linux applications...
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Heads up: Google to drop support for all Chrome on 32-bit Linux...
Chromium engineer Dirk Pranke says Chrome is about to drop support for all 32-bit Linux distros soon. The open source version of Chrome (Chromium) is not affected. I use Google Chrome on the 32bit...
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Linux Check Disk Space CommandnixCraft
I recently switched from a Windows server to a Linux server operating system. I am using Ubuntu LTS server. How do I find out disk space utilization information using command line option?
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Debian Linux 8.3 “jessie” released and here is how to upgrade it from 8.2 to...
The Debian GNU/Linux project has released an updated version of its stable distribution Debian 8 ("jessie"). You must update to get corrections for security problem as this version made a few...
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FreeBSD find the chmod numerical value for a file or directorynixCraft
I need to find out the numerical value of a file on a FreeBSD system. For example, get 644 instead of -rw-r--r-- for the /etc/resolv.conf file. Is there is a way to get this value in my bash shell script?
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Download of the day: Tails Linux 2.0 ISO CD/DVDnixCraft
Tails (The Amnesic Incognito Live System) version 2.0 has been released. It is a Debian-based security-focused Linux distribution and it is designed to increase privacy and anonymity online. This...
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Download of the day: Tails Linux 2.0 ISO CD/DVDnixCraft
Tails (The Amnesic Incognito Live System) version 2.0 has been released. It is a Debian-based security-focused Linux distribution and it is designed to increase privacy and anonymity online. This...
View ArticleHow to install KVM on Ubuntu 14.04 LTS Headless ServernixCraft
Kernel-based Virtual Machine (KVM) is a virtualization module for the Linux kernel that turns it into a hypervisor. How can I install KVM, setup guest operating system as the back-end virtualization...
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Ubuntu Linux Change Hostname (computer name)nixCraft
I am a new Ubuntu Linux laptop user. I setup my computer name to 'tom' during installation but now I would like to change the computer name to 'jerry'. How can I remove tom and set it to jerry on...
View ArticleLinux / Unix Script: Simple Process Checker To Find Out If A Service Is...
A simple shell script to find out whether critical services are running or, not under Linux or Unix operating systems. The script can send notification using email.
View ArticleRHEL / CentOS: Shell Script Wrapper TO Start / Stop / Restart NFSv4 Services...
A simple shell script wrapper to start / stop / restart NFSv4 service on CentOS / RHEL v.6.x server in a particular order. This script also demonstrates how to use the ln command to create soft links...
View ArticleShell Script To Turn On or Off PHP Uploads For Php5-fpm/Apache/Nginx/Lighttpd...
A simple shell script wrapper to disable or enable PHP 5 upload support in an Apache or Nginx or Lighttpd web server. The script look for file_uploads directive in php.ini file and change its state...
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Ubuntu Linux Change Hostname (computer name)nixCraft
I am a new Ubuntu Linux laptop user. I setup my computer name to 'tom' during installation but now I would like to change the computer name to 'jerry'. How can I remove tom and set it to jerry on...
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OS X install Amazon AWS command-line interface (CLI) toolnixCraft
How do I setup and install the official Amazon AWS Command Line Interface (cli) on an Apple Mac OS X system?
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How to create unprivileged LXC container on Ubuntu Linux 14.04 LTSnixCraft
How do I install, create and manage unprivileged LXC containers on Ubuntu Linux version 14.04 LTS server?
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