How To Install psacct on CentOS 8
Introduction
In this tutorial we learn how to install psacct on CentOS 8.
What is psacct
The psacct package contains several utilities for monitoring process activities, including ac, lastcomm, accton and sa. The ac command displays statistics about how long users have been logged on. The lastcomm command displays information about previous executed commands. The accton command turns process accounting on or off. The sa command summarizes information about previously executed commands.
We can use yum or dnf to install psacct on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install psacct.
Install psacct 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 psacct using dnf by running the following command:
sudo dnf -y install psacct
Install psacct 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 psacct using yum by running the following command:
sudo yum -y install psacct
How To Uninstall psacct on CentOS 8
To uninstall only the psacct package we can use the following command:
sudo dnf remove psacct
psacct Package Contents on CentOS 8
/etc/logrotate.d/psacct
/usr/bin/ac
/usr/bin/lastcomm
/usr/lib/.build-id
/usr/lib/.build-id/32
/usr/lib/.build-id/32/ade5389f1447f5d2f26ac48736e97ce0e77a12
/usr/lib/.build-id/34
/usr/lib/.build-id/34/af578e96e9a96b701f42695c3ebbb5676190f0
/usr/lib/.build-id/4d
/usr/lib/.build-id/4d/2f2361a222e63c45673a2217c67b4ede0fda8f
/usr/lib/.build-id/62
/usr/lib/.build-id/62/3580b6ab09f63a0da07fc9a9787196ff3638bb
/usr/lib/.build-id/90
/usr/lib/.build-id/90/6a1c22b7f3fa916f228ad6c70677e8c8ca8320
/usr/lib/.build-id/c2
/usr/lib/.build-id/c2/2b4314df0fc31cbae23ebd78d1db519a1289fd
/usr/lib/systemd/system/psacct.service
/usr/libexec/psacct/accton-create
/usr/sbin/accton
/usr/sbin/dump-acct
/usr/sbin/dump-utmp
/usr/sbin/sa
/usr/share/doc/psacct
/usr/share/doc/psacct/COPYING
/usr/share/doc/psacct/README
/usr/share/info/accounting.info.gz
/usr/share/man/man1/ac.1.gz
/usr/share/man/man1/lastcomm.1.gz
/usr/share/man/man8/accton.8.gz
/usr/share/man/man8/dump-acct.8.gz
/usr/share/man/man8/dump-utmp.8.gz
/usr/share/man/man8/sa.8.gz
/var/account
/var/account/pacct
References
Summary
In this tutorial we learn how to install psacct on CentOS 8 using yum and dnf.