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Monday, May 1, 2023
Fedora 39 : GPT on linux terminal.
Posted by
Cătălin George Feștilă
Labels:
2023,
Artificial intelligence,
ChatGPT,
Fedora,
Fedora 39,
go,
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Saturday, April 29, 2023
Fedora 39 : Fedora 39 Cinnamon environment pre-release - upgrade.
Today I tested the new version of fedora 39 and it worked very well.
If you want to upgrade Fedora using the DNF system upgrade then you can find all information on the official webpage.
You can try a Fedora 39 Cinnamon environment pre-release from this website.
A very good feature comes with this new command remove-retired-packages.
This allow you to keep the all packages with update.
Posted by
Cătălin George Feștilă
Labels:
2023,
dnf,
Fedora,
Fedora 39,
linux,
remove-retired-packages,
tutorial,
tutorials
Thursday, February 2, 2023
Fedora 38 : LibreOffice with new features.
LibreOffice is a free and powerful office suite, and a successor to OpenOffice.org (commonly known as OpenOffice).
Its clean interface and feature-rich tools help you unleash your creativity and enhance your productivity... see the official website.
I install easy with DNF tool on Fedora 38:
[root@fedora mythcat]# dnf install libreoffice.x86_64
Last metadata expiration check: 1:13:09 ago on Thu 02 Feb 2023 05:03:42 PM EET.
Dependencies resolved.
================================================================================
Package Arch Version Repo Size
================================================================================
Installing:
libreoffice x86_64 1:7.5.0.2-2.fc38 rawhide 15 k
Installing dependencies:
apache-commons-collections noarch 3.2.2-29.fc38 rawhide 531 k
apache-commons-lang3 noarch 3.12.0-7.fc38 rawhide 559 k
firebird x86_64 4.0.2.2816-4.fc38 rawhide 5.1 M
firebird-utils x86_64 4.0.2.2816-4.fc38 rawhide 2.1 M
flute noarch 1.3.0-31.OOo31.fc38 rawhide 64 k
javapackages-tools noarch 6.1.0-7.fc38 rawhide 37 k
libbase noarch 1.1.3-36.fc38 rawhide 130 k
libfbclient2 x86_64 4.0.2.2816-4.fc38 rawhide 860 k
libfonts noarch 1.1.3-40.fc38 rawhide 177 k
libformula noarch 1.1.3-37.fc38 rawhide 340 k
libib-util x86_64 4.0.2.2816-4.fc38 rawhide 12 k
liblayout noarch 0.2.10-30.fc38 rawhide 654 k
libloader noarch 1.1.3-38.fc38 rawhide 130 k
libreoffice-base x86_64 1:7.5.0.2-2.fc38 rawhide 2.3 M
libreoffice-draw x86_64 1:7.5.0.2-2.fc38 rawhide 23 k
libreoffice-math x86_64 1:7.5.0.2-2.fc38 rawhide 20 k
librepository noarch 1.1.3-37.fc38 rawhide 68 k
libserializer noarch 1.1.2-36.fc38 rawhide 36 k
ongres-scram noarch 2.1-8.fc38 rawhide 65 k
ongres-scram-client noarch 2.1-8.fc38 rawhide 24 k
ongres-stringprep noarch 1.1-6.fc38 rawhide 74 k
pentaho-libxml noarch 1.1.3-36.fc38 rawhide 101 k
pentaho-reporting-flow-engine noarch 1:0.9.4-29.fc38 rawhide 285 k
postgresql-jdbc noarch 42.5.1-2.fc38 rawhide 836 k
sac noarch 1.3-41.fc38 rawhide 19 k
velocity noarch 1.7-40.fc38 rawhide 386 k
Transaction Summary
================================================================================
Install 27 Packages
Total download size: 15 M
Installed size: 46 M
Is this ok [y/N]: y
...
This software works good on my old laptop:
You can see a video from the official youtube channel with the new features:
Posted by
Cătălin George Feștilă
Labels:
2023,
2023 news,
Fedora,
Fedora 38,
LibreOffice,
linux tools,
news,
tool,
tutorial,
tutorials
Tuesday, January 31, 2023
Fedora 37 : Lite editor.
lite is a lightweight text editor written mostly in Lua — it aims to provide something practical, pretty, small and fast, implemented as simply as possible; easy to modify and extend, or to use without doing either.
You can find this project on GitHub.
I install with DNF tool:
# dnf install lite-xl.x86_64
...
Installed:
lite-xl-2.1.1-2.fc38.x86_64
Complete!
... and works very well:
Posted by
Cătălin George Feștilă
Labels:
2022,
dnf,
Fedora,
Fedora 37,
linux,
linux tools,
lite,
tutorial,
tutorials
Monday, December 26, 2022
Fedora 37 : SeLinux alert detection from Trend Micro HouseCall.
If you use the tool from Trend Micro HouseCall for Home Networks, then it is possible that the SELinux tool from Fedora Linux will warn you with an alert.
It can be easily fixed with the following commands.
[root@fedora mythcat]# ausearch -c 'journal-offline' --raw | audit2allow -M my-journaloffline
******************** IMPORTANT ***********************
To make this policy package active, execute:
semodule -i my-journaloffline.pp
[root@fedora mythcat]# semodule -X 300 -i my-journaloffline.pp
libsemanage.semanage_get_lock: Could not get direct transaction lock at /var/lib/selinux/targeted/semanage.trans.LOCK. (Resource temporarily unavailable).
Because I got an access error to the resource, I used some Linux commands that checked the status of my selinux, I searched and stopped the process that doesn't let me access the resource and restarted the command:
[root@fedora mythcat]# cat /etc/selinux/config
SELINUX=enforcing
# SELINUXTYPE= can take one of these three values:
# targeted - Targeted processes are protected,
# minimum - Modification of targeted policy. Only selected processes are protected.
# mls - Multi Level Security protection.
SELINUXTYPE=targeted
[root@fedora mythcat]# ps aux | grep semodule
root 3974 4.2 5.2 211904 209952 pts/0 T 13:29 0:17 semodule -X 300 -i my-journaloffline.pp
root 4032 0.0 0.0 222424 2288 pts/0 S+ 13:36 0:00 grep --color=auto semodule
[root@fedora mythcat]# kill -9 3974
[root@fedora mythcat]# semodule -X 300 -i my-journaloffline.pp
[1]+ Killed semodule -X 300 -i my-journaloffline.pp
[root@fedora mythcat]# semodule -X 300 -i my-journaloffline.pp
This is how the Selinux alert appears in the environment of the Fedora 37 Linux distribution.
Posted by
Cătălin George Feștilă
Labels:
2022,
antivirus,
Fedora,
Fedora 37,
linux,
linux tools,
selinux
Saturday, November 19, 2022
Fedora 37 : Vala development in Fedora 37.
Yesterday I tested the Vala programming language on the Fedora 37 linux distribution. The basic idea was that most linux distribution environments use the GTK+ toolkit that Gnome developed. Development with GTK+ can be done with various programming languages: c, python, rust... The main reason why I tested the implementation of the Vala programming language was that Gnome developed it.
For the installation, I used the DNF utility with the following commands to install the packages necessary for the operation of the development in Vala
$sudo dnf groupinstall "Development Tools" "Development Libraries"
$ sudo dnf install vala
The first command installs the tools that are essential to perform tasks such as installing packages from source code.
The second command only installs the Vala package.
To test the written program we will need to use the Valac compiler and then run it as a simple executable in Linux.
$valac --pkg gtk+-3.0 test.vala
$ ./test
(test:6198): GLib-GObject-CRITICAL **: 14:34:11.454: g_value_set_boxed: assertion 'G_VALUE_HOLDS_BOXED (value)' failed
The error is about the implementation of Vala in Fedora, I don't have an answer of this but in other Linux distributions this is not show.
If you want to use WebKit2GTK+ Extensions then you need to compile it.
valac test.vala --pkg gtk+-3.0 --pkg webkit2gtk-4.0
Is a more easy way to developm application but you need to know well how to deal with GTK and GObject structure.
Tuesday, September 20, 2022
News: Fedora 37 Beta Available.
The Fedora development team announced the beta for version 37 of the open-source operating system has been released on time on September 13, 2022.
This was announced on Fedora Hyperkitty
If you want to test the new beta of Fedora 37, the default x86_64 version can be downloaded from the official Fedora download server.
You will see this comes with many of changes.
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