Linux Tutorials and Command Line Guides - Page 10

Configure 389 Directory Server Attribute Uniqueness with dsconf to reject duplicate mail, uid, and employeeNumber values across subtrees.

Configure 389 Directory Server indexes with dsconf backend index, detect notes=A and notes=U unindexed searches, and reindex online or offline for faster LDAP filters.

Configure Managed Entries to create companion LDAP entries and Linked Attributes to maintain reverse DN relationships in 389 Directory Server.

Configure the 389 Directory Server Distributed Numeric Assignment plug-in for automatic uidNumber and gidNumber allocation, magic regeneration values, separate or shared ranges, multi-supplier range transfer, monitoring, …

Configure 389 Directory Server Auto Membership with regex rules, fallback groups, fixup cleanup, and dry-run testing for static group assignment.

Enable and configure the 389 Directory Server Referential Integrity plug-in to remove stale DN references after delete, update member and uniqueMember after rename or move, scope processing, index attributes, audit …

Configure the 389 Directory Server memberOf plug-in for member and uniqueMember groups, nested membership, scopes, fixup tasks, and replication.

Disable and reactivate LDAP user accounts in 389 Directory Server with dsidm account lock, nsAccountLock, role lock, and the Account Policy plug-in for lastLoginTime tracking and automatic inactivity enforcement.

Prepare a FIPS-enabled host, enable NSS FIPS mode for 389 Directory Server, audit cryptographic compatibility, verify TLS and LDAP, and plan rollback.

Configure client certificate authentication in 389 Directory Server with certmap.conf, trust the client CA, test SASL EXTERNAL over LDAPS and STARTTLS, and verify userCertificate matching.

Inventory, renew, replace, back up, and restore 389 Directory Server TLS certificates in the instance NSS database after LDAPS and STARTTLS are already enabled.

Reject insecure LDAP simple binds in 389 Directory Server, enforce a minimum SSF, preserve root DSE and LDAPI access, and verify allowed connections.

Configure advanced 389 Directory Server ACIs with targetfilter, targattrfilters, target_from and target_to, userattr, groupdn filters, IP and DNS rules, SSF, time limits, and Boolean bind expressions.

Learn 389 Directory Server ACI syntax, placement, and access rights with ldapmodify examples for userdn and groupdn read, write, add, and delete permissions plus troubleshooting.

Delegate 389 Directory Server administration with groupdn ACIs for read-only, help-desk, user, group, and department roles without sharing Directory Manager credentials.

Enable per-backend attribute encryption in 389 Directory Server with dsconf backend attr-encrypt, export and reimport with dsctl ldif2db --encrypted, verify LDAP access, and plan certificate and replication dependencies.

Enable and disable backend and instance read-only mode in 389 Directory Server with dsconf, verify LDAP result code 53 on writes, recover from dse.ldif, and avoid replication mistakes.

Configure default, smart, suffix, and replication LDAP referrals in 389 Directory Server with dsconf, ldapmodify, client tests, security notes, and cleanup.

Configure pointer, indirect, and classic Class of Service (CoS) in 389 Directory Server with tested LDIF examples, qualifiers, verification, and cleanup.

Prepare a custom Directory Server root with dscreate ds-root, add administration wrapper scripts to PATH, create an unprivileged ldap-dev instance on ports above 1024, and manage it with user-specific dsctl commands.

Understand 389 Directory Server architecture, including instances, ns-slapd, suffixes, backends, LMDB databases, schema, plug-ins, configuration, and replication.

Compare OpenLDAP and 389 Directory Server across installation, administration, access control, replication, plugins, performance, migration, and use cases.

OpenLDAP vs Active Directory in plain language: LDAP protocol vs directory services, OpenLDAP vs LDAPS, Samba AD vs Microsoft AD, cost, GPO, Kerberos, Linux integration, and when to choose each.

steps to install and configure freeipa server in rhel 8 the packages necessary for installing an Identity Management server are shipped with IDM server module

Create a Linux man page with a reusable groff template. Learn man sections, macros, local preview, system and user installation, mandb, whatis, and troubleshooting.

Understand TTY, PTY and PTS in Linux, including /dev/tty, /dev/pts, controlling terminals, terminal emulators, SSH, tmux, and practical commands.

Create Anaconda updates.img on RHEL 8–10, embed it in boot media with mkksiso, load it with inst.updates, and verify the installer overlay.

Install and configure TigerVNC Server on RHEL 8 and 9, Rocky Linux, AlmaLinux, and CentOS Stream using user mappings, systemd, GNOME, firewalld, and secure VNC connections.

Compare rolling-release and fixed-release Linux distributions by package freshness, stability, update frequency, upgrade risk, maintenance effort, support lifecycle and desktop or server use cases.

Configure local, remote and dynamic SSH port forwarding on RHEL 8–10, Rocky Linux, AlmaLinux, CentOS Stream and Oracle Linux.