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Post tagged: storage

by Alejandro Liu
in 2018

tagged centos, configuration, filesystem, information, installation, linux, network, partition, remote, service, storage, sudo, ubuntu

Updated: 2021-12-25

using cachefiles on an Linux NFS share

If you often mount and access a remote NFS share on your system, you will probably want to know how to improve NFS file access performance. One possibility is using file caching. In Linux, there is a caching filesystem called FS-Cache which enables file caching for network file systems such as NFS. FS-Cache is built into the Linux kernel 2.6.30 and higher. ...

by Alejandro Liu
in 2017

tagged cloud, desktop, linux, privacy, storage, windows

Updated: 2021-12-25

Telegram

Telegram is a messenger designed to overcome the limitations of other messengers like WhatsApp or similar ones. It is different and better than other messengers on more than one level. A few of the important features that make it stand out among other messengers are: ...

by Alejandro Liu
in 2016

tagged address, computer, configuration, database, device, directory, editor, management, manager, mouse, network, remote, security, service, settings, storage, terminal, tools, windows

Updated: 2022-03-03

Windows administration from the command line

Windows system administration is very mouse driven and to reach all tools you need to browse through Windows explorer. If you are like me and prefer to log on a limited privilege account and use Runas to perform admin tasks, you can open these consoles with the .msc file names. Here is a list of admin tools with their .msc file names. domain.msc: AD Domains and Trusts ...

by Alejandro Liu
in 2015

tagged idea, proxy, software, storage

Updated: 2021-12-25

RPMGOT

Software package download proxy rpmgot is a simple/lightweight software package download proxy. It was designed to run on an OpenWRT router with some USB storage. So it is fully implemented as an ash script. The basic idea has been implemented multiple times. For example refer to this article on a squid based implementation. Unlike squid, which once you include all its dependencies can use up over 1MB of space just to install it, this software has very few dependencies. The idea is for small developers running the same operating system version(s) would benefit from a local mirror of them, but they don't have so many systems that it's actually reasonable for them to run a full mirror, which would entail rsyncing a bunch of content daily, much of which may be packages would never be used. rpmgot implements a lazy mirror something that would appear to its client systems as a full mirror, but would act more as a proxy. When a client installed a particular version of a particular package for the first time, it would go fetch them from a "real" mirror, and then cache it for a long time. Subsequent requests for the same package from the "mirror" would be served from cache. ...

by Alejandro Liu
in 2013

tagged centos, configuration, filesystem, information, installation, linux, network, partition, remote, service, storage, sudo, ubuntu

Updated: 2021-12-25

Enable local file caching for NFS share on Linux

In Linux, there is a caching filesystem called FS-Cache which enables file caching for network file systems such as NFS. FS-Cache is built into the Linux kernel 2.6.30 and higher. In order for FS-Cache to operate, it needs cache back-end which provides actual storage for caching. One such cache back-end is cachefiles. Therefore, once you set up cachefiles, it will automatically enable file caching for NFS shares. ...

by Alejandro Liu
in 2013

tagged backup, backups, library, power, scripts, storage, wordpress

Updated: 2021-12-25

Web Backups

As usual with any IT system backups are important. This does not change when using a free shared hosting provider. Because it is free, one would argue it is even more important. For my wordpress web site I used something called cli-exporter. It let's you create "Wordpress" export files from the command line so it can be run from cron. This is important because backups have to be automated. In addition to that, I copy the backup files to an off-site location. I do this by copying files using WebDAV to a storage provider. I did this by writing a simple script and using the PHP library SabreDAV which makes writing DAV clients quite easy. I myself don't mind using other people's Open Source code to do something. I was actually surprised that I was not able to find something that meet my criteria. However, thanks to the power of open source I was able to find something that fit the bill exactly. To make things more interesting, because I wanted to keep backup files as compressed Zip archives, my backup scripts did not work in one of the web hosts that I was using. They did not have the zip extensions enabled. This is surprising considering is quite standard. Luckily I was able to find a pure PHP library pclzip. ...

by Alejandro Liu
in 2013

tagged device, encryption, storage

Updated: 2021-12-25

CipherUSB

This is an interesting concept. Essentially is an Encryption dongle that encrypts stuff between your PC and your USB mass storage device. Addonics Product: CipherUSB. ...