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DOCKER MANAGEMENT: "CTOP" COMMAND

Server Docker

10 Jul 2020

Jul

If you know how to move around linux servers ... surely you know the use of the "top" command, which is used to see in real time the server status (ram, swap, cpu) and see the system processes that are consuming these resources. The "top" command is very well and...

A frequent question that arises about the commands to use to update Linux servers is the following, what is the difference between apt-get update and apt-get update? apt-get update: updates the list of available packages and their versions, but does not install or upgrade any package. This list is taken...

Jul

DIFFERENCE BETWEEN APT-GET UPDATE AND APT-GET UPGRADE

Server

31 Jul 2020

SETTING UP A TOUCHSCREEN MONITOR WHEN WORKING WITH MULTIPLE DISPLAYS

External monitors Linux

24 Aug 2020

Aug

I recently acquired a new screen. You can see it in my other post "Working with three screens". Ubuntu/Linux has a few problems, and one of them is that touch device inputs are bound to the entire "visible" space of all monitors. This means that if I click on one...

Whoever says that having more than one screen is not productive, has not tried it. Until now I have worked with two screens (the laptop and the big 29" screen). Today I bought a new screen/monitor that is small, lightweight and portable (I can carry it in my backpack and...

Aug

WORKING WITH THREE SCREENS

External monitors

24 Aug 2020

GIT ERROR: PROBLEM IN THE SSL CERTIFICATE, VERIFY THAT THE CERTIF. CA IS OK

GIT

26 Aug 2020

Aug

This error means that your CA root certificate is out of date. If your CA root certificate needs to be updated, you will not be able to upload or extract from the GIT repositories. It means that you can't do either "git pull" or "git push" because you get an...

The apt package manager saves a list of packages so you don't have to download it every time. When a Linux installation reaches a certain age the apt cache can take up several tens of gigabytes. APT does not clean the cache automatically, so it may contain obsolete packages in...

Aug

HOW TO CLEAR THE APT CACHE ON A LINUX SYSTEM

Server Linux

27 Aug 2020

HOW TO REDUCE OR DELETE A DAEMON.LOG THAT IS TOO LARGE

Server Linux

27 Aug 2020

Aug

I recently encountered a server where the log files were taking up too much space. The "daemon.log" was over 3 GB and the syslog is over 2 GB. Those sizes are not normal !!! If you are in a similar situation, you should look at the files (both) to see...

I have done tests with "New Relic", and the truth is that they are expensive but it is worth having statistics of this type. Right now I have some servers that use NewRelic, and others that use Datadog. Both are very good services, they are different, but they are used...

Sep

REMOVE NEWRELIC AGENTS

Server

06 Sep 2020

COMPRESS AND DECOMPRESS .GZ, .TAR.GZ, AND .ZIP BY COMMAND LINE ON LINUX

Server

17 Sep 2020

Sep

It's a note for my future self, that every time I need it I have to look it up on Google. This way I already have it more handy and easy to find. .tar.gz files: Compress: tar -czvf packaged.tar.gz /folder/to/package/ Unzip: tar -xzvf archive.tar.gz . tar files: Pack: tar -cvf...

I recently discovered Carrd.co It is a simple platform to create Landing pages (the typical landing pages). There are many tools similar to Carrd.co, some free and some much more expensive. Why and what am I using it for? I am a FullStack web developer. I can perfectly do the...

Sep

HOW TO CREATE A FREE OR VERY CHEAP LANDING PAGES WITH CARRD.CO

Web Development MVP

17 Sep 2020

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