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A Linux distribution is an operating system made as a software collection based on the Linux kernel and, often, on a package management system and are available for a variety of systems. A typical Linux distribution comprises a Linux kernel, GNU tools and libraries, additional software, documentation, a window system (the most common being the X Window System), a window manager, and a desktop environment. Most Linux systems are open-source software made available both as compiled binaries and in source code form, allowing modifications to the original software. Over three hundred distributions are in active development, including commercially backed distributions (such as Fedora, openSUSE and Ubuntu) and community-driven distributions (such as Debian, Slackware, Gentoo and Arch Linux).

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Monthly, I run a cron job that `apt-get updates/upgrades` my Ubuntu 15.10 Desktop system, then reboots. Consistently, the reboot hangs forever with the console screen showing the Ubuntu boot screen wi…

520 views
The Complete Ruby on Rails Developer Course

Ruby on Rails is one of the most popular web development frameworks, and a useful tool used by both startups and more established companies to build strong graphic user interfaces, and responsive websites and apps.

I'm new to KVM, been a long time VMWare Workstation user.

I'm trying to create new VMs but with dynamic disks, I am on a laptop and need to have several VMs, some are for short term use. I don't pl…

1625 views

I'm not getting any audio output in Linux Mint, to my headphones. I'm pretty sure it worked in Windows 10 before I installed Mint, so it's almost certainly a software issue.

So far, I've tried both…

851 views

Hello!

I use Ubuntu 14.04.1 Desktop and in PhpMy Admin I see this:

Database client version: libmysql - 5.5.50

But when I do this in the terminal:

mysql -V

I get ver. 5.5.52

Also in S…

414 views

Hello!

I've got Ubuntu 14.04 Desktop ed. w/ kernel ver. 3.16 About a month ago I allowed the system to upgrade the kernel to ver. 4.xx, but after that I couldn't boot my system, so I re-installed e…

611 views

I have ran out of space on my virtual disk.  I increased it to 50 GB but when I do df -h / in the Centos 6 Guest system it shows no free space.

I tried following this guide but still it doesn't sho…

1716 views

Hi all,

I'm a Linux newbie, but i'd like to install it to demo OpenEMR:

http://open-emr.org/wiki/index.php/OpenEMR_Downloads

A very respected EE person suggested that Makulu is the best Linux…

1020 views

Hello!

I use Ubuntu 14.04 and in a terminal I became root with sudo su and I wanted to delete root's trash manually. It deleted everything except for a few files that start with a dot. Like .htacce…

222 views

I am trying to decide if I want to run Ubuntu, or if I want to run Debian, to work in the LAMP environment.

What would you recommend? List the pros and cons of each.

426 views

Hello,

I've been a Windows user all my life and using Linux just in VM's, but I'm crossing over to the penguin side and installing Linux as my main OS on my laptop (a specific Debian distro)   :)

344 views
How to improve team productivity

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- Elevate ideas to Quip docs
- Share Quip docs in Slack
- Get notified of changes to your docs
- Available on iOS/Android/Desktop/Web
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"uptime" high (200+) on RHEL6 but CPU usage is low... any ideas why?

430 views

I searched "nagios quick start" and found this.  https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/4/en/quickstart-fedora.html.... I sort of followed it blindly on a fresh VM while doing …

1340 views

Fresh CentOS 7 machine.  You can see full steps I tool below and output.  page will not load. (screenshot shown)

Any ideas?

 


(CODE)

1234 views

any good free monitoring tools for RHEL/CentOS? (i.e. email me if a disk volume is getting near full.... CPU/Load Average spiking?

2293 views

I want rw mounts and I want username/group matching by name, not gid/uid.  We have a mix of RHEL/CentOS 6/7.  What are the best/simplest options to do this?

325 views

Dear Team,
There are two servers pwd01.us.com and pwd02.us.com.
d01 is the prod server and d02 is the Disaster recovery(DR) backup server.
Both are Red Hat Enterprise Linux 7.0 on Virtual boxes.
M…

221 views

Been a Windows person for many years but I'm crossing over to the other side :)

What are some good backup programs for Linux (Debian if it makes a difference). My need is to backup my entire laptop…

523 views

Please help as i want to validate arguments passed while executing the script .

What i want that user can only give values as parameter those are valid as per script.

./script.sh abc xyz        …

427 views

I installed a new Debian distro on a laptop that used to have Ubuntu. I used a USB thumb drive to install it.

During the install, it had asked me about Grub, and gave me 3 choices.

Something lik…

221 views
Why You Should Analyze Threat Actor TTPs

After years of analyzing threat actor behavior, it’s become clear that at any given time there are specific tactics, techniques, and procedures (TTPs) that are particularly prevalent. By analyzing and understanding these TTPs, you can dramatically enhance your security program.

I use ipset on our Centos 6 server.  I need to back up what I have in the ipset.

I have tried this  command - (CODE)

I am logged in as root why am I getting permission denied?

Here is my scri…

934 views

Hi,

How to setup Autoresponder for whole domain in Plesk/Cpanel instead of setting up for every email address?

I have a query from one of my customer that they want to setup Autoresponder for th…

222 views

Hi all ,

I am able to check the rpm of it installed or not and send the report but I would like to add option that if rpm present of not then I can install or uninstall it as per need.

Thanks to hel…

332 views

Hi Experts

How to execute a command by using by using a SSH connection on a remote IP and then return the results?

I'm facing a chalenge on how to do this by using PHP.

1. Fill  username/ pas…

755 views

Hello Dears,

I want to configure my Linux Servers (Most of them are Ubuntu servers) in such a way that an LDAP account is used to login into the servers in order to administer them. My objective is…

443 views

hello,
i've a redhat server running oracle DB. i've an error appears while i try to copy some files from the mount point of the database i try to solve it with oracle support but they told me it's ha…

1235 views
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