Архив метки: bash

How to silently upgrade or install macOS 10.13.4

Автор: | 01.07.2018

Deploying macOS to new Mac computers or upgrading existing ones is a similar process to that found on competing operating systems. The process involves extensive planning and testing to ensure that everything occurs without a hitch and that existing software continues to work with the newer OS. Part of the planning consideration depends on whether… Читать далее »

Windows 10 Fall Creators Update: Cheat sheet

Автор: | 30.06.2018

The fourth major update to Windows 10 has arrived, promising to deliver new features big and small to Windows desktops. Rolled out from October 17th, the headline features in the free Fall Creators Update are changes to how Windows 10 handles cloud storage, easier sharing with friends and family, better security, longer battery life, and… Читать далее »

Windows 10 from the Fast Ring: A look at the new features coming out of the Insider program

Автор: | 19.06.2018

It’s coming up to three years since Microsoft launched Windows 10, in July 2015, and it’s finally well into its ‘Windows-as-a-Service’ groove. The latest six-monthly release 1803, the April 2018 Update, is on over 50 percent of Windows 10 PCs, a significantly faster update rate than previous releases, with Microsoft beginning to provide it to… Читать далее »

How to run Linux commands simultaneously with GNU Parallel

Автор: | 30.05.2018

When you run commands on Linux, be they one at a time at the prompt or from a bash script, those commands run in sequence. The first command runs, followed by the second, followed by the third. Granted, the time between commands is so minuscule, the naked eye wouldn’t notice. For some instances, that may… Читать далее »

How to use the curl command for uploading and downloading files without user interaction

Автор: | 25.05.2018

The curl command is quite useful and flexible. The intent of the tool is to transfer data, without user interaction, to or from a server, using one of the many supported protocols. It is that list of protocols that helps curl manage to be so flexible, as the command supports: DICT FILE FTP FTPS GOPHER… Читать далее »

How to use the Linux screen command to keep your remote processes running

Автор: | 16.05.2018

How many times have you secure shelled into your data center Linux servers, only to have (for whatever reason) your remote secure shell connection broken? When you reconnect to that server, is that critical command you issued still running? Or did the severed connection put the kibosh on the command? Not only can this be… Читать далее »

How to install OpenStack on Ubuntu Server with DevStack

Автор: | 03.05.2018

OpenStack is a free, open source platform developed specifically for cloud computing. Through this cloud-centric platform, virtual machines and other resources can be made available to clients as Infrastructure-as-a-Service. There are a number of ways to get OpenStack installed—some are much more challenging than others. One such means of installing OpenStack is through DevStack. DevStack… Читать далее »

How to monitor a Linux log file in real time

Автор: | 30.04.2018

Quick: What’s the first thing you do when you need to troubleshoot a Linux server? If you answered, «Check log files,» give yourself a cookie because you answered correctly. A follow up question: What do you do when you need to watch those log files in real time? Do you view that log with the… Читать далее »

How to create a bash script for starting VirtualBox VMs

Автор: | 26.04.2018

Image: Jack Wallen There’s a nifty feature that comes with VirtualBox that allows you to create a desktop shortcut for virtual machines. This, however, doesn’t do you much good if you’re running VirtualBox on a GUI-less server. If that’s the case, you don’t always want to have to issue the command to start a VM… Читать далее »

How to install crontab-ui for remote use

Автор: | 26.04.2018

Image: Jack Wallen If you’re a Linux administrator, you know how important it is to be able to schedule the running of various applications and scripts. You might have created a brilliant backup script that does exactly what you want, when you want it. However, that backup script isn’t going to automatically run without the… Читать далее »