How To Install libotr on Fedora 34

libotr is Off-The-Record Messaging library and toolkit Off-The-Record Messaging library and toolkit

Introduction

In this tutorial we learn how to install libotr on Fedora 34.

What is `libotr`

Off-the-Record Messaging Library and Toolkit This is a library and toolkit which implements Off-the-Record (OTR) Messaging. OTR allows you to have private conversations over IM by providing Encryption, Authentication, Deniability and Perfect forward secrecy. libotr 4.1.1 12.fc34 x86_64 120 k libotr-4.1.1-12.fc34.src.rpm updates Off-The-Record Messaging library and toolkit http GPLv2 and LGPLv2 Off-the-Record Messaging Library and Toolkit This is a library and toolkit which implements Off-the-Record (OTR) Messaging. OTR allows you to have private conversations over IM by providing Encryption, Authentication, Deniability and Perfect forward secrecy.

We can use yum or dnf to install libotr on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install libotr.

Install libotr on Fedora 34 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

After updating yum database, We can install libotr using dnf by running the following command:

sudo dnf -y install libotr

Install libotr on Fedora 34 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

After updating yum database, We can install libotr using yum by running the following command:

sudo yum -y install libotr

How To Uninstall libotr on Fedora 34

To uninstall only the libotr package we can use the following command:

sudo dnf remove libotr

libotr Package Contents on Fedora 34

/usr/bin/otr_mackey
/usr/bin/otr_modify
/usr/bin/otr_parse
/usr/bin/otr_readforge
/usr/bin/otr_remac
/usr/bin/otr_sesskeys
/usr/lib/.build-id
/usr/lib/.build-id/07
/usr/lib/.build-id/07/eaf824c9b8d50a4ff8d9ed44b86139a3937ad0
/usr/lib/.build-id/52
/usr/lib/.build-id/52/370cd9f6de1b051c4d9824bced47670ff2b3fe
/usr/lib/.build-id/88
/usr/lib/.build-id/88/d5a0b5af58784147b1b16eb5812403861f06a1
/usr/lib/.build-id/93
/usr/lib/.build-id/93/b1833e11eb0de5108d7410cef17a94aa4d926f
/usr/lib/.build-id/d5
/usr/lib/.build-id/d5/b2809ecaa4097e42ca4cdee694b46a5f83e60a
/usr/lib/.build-id/ef
/usr/lib/.build-id/ef/5094e71fb4e41811be445c2cc098db78e9a58a
/usr/lib/.build-id/f6
/usr/lib/.build-id/f6/05b575512aadd3d90bc047554180ab88578b5c
/usr/lib64/libotr.so.5
/usr/lib64/libotr.so.5.1.1
/usr/share/doc/libotr
/usr/share/doc/libotr/AUTHORS
/usr/share/doc/libotr/COPYING
/usr/share/doc/libotr/COPYING.LIB
/usr/share/doc/libotr/NEWS
/usr/share/doc/libotr/Protocol-v3.html
/usr/share/doc/libotr/README
/usr/share/man/man1/otr_mackey.1.gz
/usr/share/man/man1/otr_modify.1.gz
/usr/share/man/man1/otr_parse.1.gz
/usr/share/man/man1/otr_readforge.1.gz
/usr/share/man/man1/otr_remac.1.gz
/usr/share/man/man1/otr_sesskeys.1.gz
/usr/share/man/man1/otr_toolkit.1.gz
/usr/bin/otr_mackey
/usr/bin/otr_modify
/usr/bin/otr_parse
/usr/bin/otr_readforge
/usr/bin/otr_remac
/usr/bin/otr_sesskeys
/usr/lib/.build-id
/usr/lib/.build-id/0d
/usr/lib/.build-id/0d/8b12892d69fbca169ab94756ceaa4ea4c15b5b
/usr/lib/.build-id/1f
/usr/lib/.build-id/1f/30d0d633c16663eadc8549ee5a177ed472b3f8
/usr/lib/.build-id/23
/usr/lib/.build-id/23/a10d5270189ef8dab38c352a3c4f2099956263
/usr/lib/.build-id/4d
/usr/lib/.build-id/4d/99de820ea5e7cdb437558de3e5cbb86c35447d
/usr/lib/.build-id/6b
/usr/lib/.build-id/6b/fd98cc943769f75eb74a7780e5715ac8589515
/usr/lib/.build-id/9f
/usr/lib/.build-id/9f/5a1310b3abc141c54544c8640a95c8f97636c6
/usr/lib/.build-id/c3
/usr/lib/.build-id/c3/287a3a63b0105090689db341945e93560265fa
/usr/lib/libotr.so.5
/usr/lib/libotr.so.5.1.1
/usr/share/doc/libotr
/usr/share/doc/libotr/AUTHORS
/usr/share/doc/libotr/COPYING
/usr/share/doc/libotr/COPYING.LIB
/usr/share/doc/libotr/NEWS
/usr/share/doc/libotr/Protocol-v3.html
/usr/share/doc/libotr/README
/usr/share/man/man1/otr_mackey.1.gz
/usr/share/man/man1/otr_modify.1.gz
/usr/share/man/man1/otr_parse.1.gz
/usr/share/man/man1/otr_readforge.1.gz
/usr/share/man/man1/otr_remac.1.gz
/usr/share/man/man1/otr_sesskeys.1.gz
/usr/share/man/man1/otr_toolkit.1.gz
/usr/bin/otr_mackey
/usr/bin/otr_modify
/usr/bin/otr_parse
/usr/bin/otr_readforge
/usr/bin/otr_remac
/usr/bin/otr_sesskeys
/usr/lib/.build-id
/usr/lib/.build-id/31
/usr/lib/.build-id/31/8f73fb8f5c8d2aacd8cf7515d8d1b48ae008f4
/usr/lib/.build-id/3e
/usr/lib/.build-id/3e/1186bd01df2cfd9ca9c88f362a253478a2a37e
/usr/lib/.build-id/81
/usr/lib/.build-id/81/934a5ec114a18ce810ca98fd82dbf184b8f163
/usr/lib/.build-id/a9
/usr/lib/.build-id/a9/cc939ae89085e46b3f8212928227406602aac1
/usr/lib/.build-id/dd
/usr/lib/.build-id/dd/3e6accfbbef8f520461480796169cdb77d229a
/usr/lib/.build-id/e7
/usr/lib/.build-id/e7/573bcb5df2364738b810b4e4b7bd4d34a5e485
/usr/lib/.build-id/f1
/usr/lib/.build-id/f1/b6c1c9bb6039a3ee9adc4eb0077ae1da9e924b
/usr/lib64/libotr.so.5
/usr/lib64/libotr.so.5.1.1
/usr/share/doc/libotr
/usr/share/doc/libotr/AUTHORS
/usr/share/doc/libotr/COPYING
/usr/share/doc/libotr/COPYING.LIB
/usr/share/doc/libotr/NEWS
/usr/share/doc/libotr/Protocol-v3.html
/usr/share/doc/libotr/README
/usr/share/man/man1/otr_mackey.1.gz
/usr/share/man/man1/otr_modify.1.gz
/usr/share/man/man1/otr_parse.1.gz
/usr/share/man/man1/otr_readforge.1.gz
/usr/share/man/man1/otr_remac.1.gz
/usr/share/man/man1/otr_sesskeys.1.gz
/usr/share/man/man1/otr_toolkit.1.gz
/usr/bin/otr_mackey
/usr/bin/otr_modify
/usr/bin/otr_parse
/usr/bin/otr_readforge
/usr/bin/otr_remac
/usr/bin/otr_sesskeys
/usr/lib/.build-id
/usr/lib/.build-id/65
/usr/lib/.build-id/65/e4d0edf1f7a3b2a68aec6fd927aa633bc4b913
/usr/lib/.build-id/72
/usr/lib/.build-id/72/004e057243284b2de42069f7d3d8170c02ab93
/usr/lib/.build-id/a8
/usr/lib/.build-id/a8/b838660c80c3cca7e999d9ee08da18f37c81f4
/usr/lib/.build-id/ac
/usr/lib/.build-id/ac/0bfdd511083badadf377d7023204e666c1d488
/usr/lib/.build-id/d7
/usr/lib/.build-id/d7/cdb3a09d12193b06359059b02672176f7e87b9
/usr/lib/.build-id/e1
/usr/lib/.build-id/e1/e71f9b0e0c00fe218d438526e472cc69e8c2b8
/usr/lib/.build-id/f1
/usr/lib/.build-id/f1/6c418b894bc6aa635c0accd177f9a5dc60c38c
/usr/lib/libotr.so.5
/usr/lib/libotr.so.5.1.1
/usr/share/doc/libotr
/usr/share/doc/libotr/AUTHORS
/usr/share/doc/libotr/COPYING
/usr/share/doc/libotr/COPYING.LIB
/usr/share/doc/libotr/NEWS
/usr/share/doc/libotr/Protocol-v3.html
/usr/share/doc/libotr/README
/usr/share/man/man1/otr_mackey.1.gz
/usr/share/man/man1/otr_modify.1.gz
/usr/share/man/man1/otr_parse.1.gz
/usr/share/man/man1/otr_readforge.1.gz
/usr/share/man/man1/otr_remac.1.gz
/usr/share/man/man1/otr_sesskeys.1.gz
/usr/share/man/man1/otr_toolkit.1.gz

References

[libotr website](http://otr.cypherpunks.ca/ http://otr.cypherpunks.ca/)

Summary

In this tutorial we learn how to install libotr on Fedora 34 using yum and dnf.