How To Install erlang-observer on CentOS 8
erlang-observer is A set of tools for tracing and investigation of distributed systems
Introduction
In this tutorial we learn how to install erlang-observer on CentOS 8.
What is erlang-observer
A set of tools for tracing and investigation of distributed systems.
We can use yum or dnf to install erlang-observer on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install erlang-observer.
Install erlang-observer on CentOS 8 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install erlang-observer using dnf by running the following command:
sudo dnf -y install erlang-observer
Install erlang-observer on CentOS 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install erlang-observer using yum by running the following command:
sudo yum -y install erlang-observer
How To Uninstall erlang-observer on CentOS 8
To uninstall only the erlang-observer package we can use the following command:
sudo dnf remove erlang-observer
erlang-observer Package Contents on CentOS 8
/usr/lib64/erlang/lib/observer-2.9.1
/usr/lib64/erlang/lib/observer-2.9.1/ebin
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_atom_cb.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_bin_cb.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_detail_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_dist_cb.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_ets_cb.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_fun_cb.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_gen_cb.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_html_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_info_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_int_tab_cb.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_mem_cb.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_mod_cb.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_multi_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_persistent_cb.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_port_cb.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_proc_cb.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_sched_cb.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_table_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_term_cb.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_timer_cb.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_virtual_list_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/cdv_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/crashdump_viewer.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/etop.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/etop_tr.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/etop_txt.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer.app
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer.appup
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer_alloc_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer_app_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer_html_lib.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer_lib.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer_perf_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer_port_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer_pro_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer_procinfo.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer_sys_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer_trace_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer_traceoptions_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer_tv_table.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer_tv_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/observer_wx.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/ttb.beam
/usr/lib64/erlang/lib/observer-2.9.1/ebin/ttb_et.beam
/usr/lib64/erlang/lib/observer-2.9.1/include
/usr/lib64/erlang/lib/observer-2.9.1/include/etop.hrl
/usr/lib64/erlang/lib/observer-2.9.1/priv
/usr/lib64/erlang/lib/observer-2.9.1/priv/bin
/usr/lib64/erlang/lib/observer-2.9.1/priv/bin/cdv
/usr/lib64/erlang/lib/observer-2.9.1/priv/bin/etop
/usr/lib64/erlang/lib/observer-2.9.1/priv/erlang_observer.png
/usr/lib64/erlang/lib/observer-2.9.1/src
/usr/lib64/erlang/lib/observer-2.9.1/src/crashdump_viewer.hrl
/usr/lib64/erlang/lib/observer-2.9.1/src/etop_defs.hrl
/usr/lib64/erlang/lib/observer-2.9.1/src/observer_defs.hrl
/usr/lib64/erlang/lib/observer-2.9.1/src/observer_tv.hrl
References
Summary
In this tutorial we learn how to install erlang-observer on CentOS 8 using yum and dnf.
