Identifying Relocatable Package Not all RPM packages can be installed into another directory. An RPM package that can be installed into a different directory is said to be relocatable. To check whether a particular package is relocatable, use the command: # rpm -qpi [rpm package] | head -1 For example, the packages: redhat-lsb-1.3-3.1.EL3.i386.rpm and rsync-2.5.7-5.3E.i386.rpm produces below output: # rpm -qpi redhat-lsb-1.3-3.1.EL3.i386.rpm | head -1 Name : redhat-lsb … [Read more...] about How to install an RPM package into a different directory in CentOS/RHEL/Fedora
CentOS/RHEL 8
How to add words to the dictionary cracklib uses for validating passwords against known dictionary words
How can we add additional words to the list of words checked by password dictionary of pam_cracklib in Red Hat Enterprise Linux 6? What is PAM cracklib Red Hat Enterprise Linux can be configured to verify that passwords cannot be guessed easily. On Red Hat Enterprise Linux this check is performed by the Pluggable Authentication Module (PAM) /lib/security/pam_cracklib.so. It checks to ensure that passwords are a minimum length and verifies that a password does not occur in a … [Read more...] about How to add words to the dictionary cracklib uses for validating passwords against known dictionary words
Beginners Guide to “journalctl” – How To Use Journalctl to View and Manipulate Systemd Logs
Using the system journal By default, newer systemd based linux systems now uses two logging services for the system logs: systemd-journald, which is configured to only keep logs in memory rsyslogd, which gets messages sent to it by systemd-journald (and others) and stores them on disk. To view messages in the system journal, a tool called journalctl can be used. If used without any parameters it will show the full contents of the system journal, presented in a pager (by default less is … [Read more...] about Beginners Guide to “journalctl” – How To Use Journalctl to View and Manipulate Systemd Logs