System Administration Guides and Best Practices
Learn system administration with practical guides on user management, services, monitoring, and Linux server management.
The System Administration section focuses on managing and maintaining Linux systems efficiently.
These tutorials cover essential administrative tasks required for servers and production environments.
You can also explore Linux and Networking for deeper insights.
Topics covered
- User and group management
- Service and process management
- System monitoring
- Troubleshooting
Ideal for
- System administrators
- DevOps engineers
105 articles
Kickstart post install script examples in RHEL CentOS 7 8
Use kickstart post install scripts to perform tasks after installation, save logs, use interpreter with and without nochroot in RHEL and CentOS 7/8 Linux with …
RHEL/CentOS 8 Kickstart example | Kickstart Generator
In this article I will share most used Kickstart commands to automate installation in sample RHEL/CentOS 8 Kickstart example file and link to kickstart …
5 easy steps to blacklist kernel module in CentOS RHEL 7 8
Step by step guide to disable and blacklist kernel module using GRUB2 and modprobe.d in Red Hat and CentOS 7 and 8 Linux. Permanently unload kernel module
Show NFS shares | List NFS mount points | List NFS clients Linux
Examples and commands to show NFS shares on NFS server, List NFS mount points on NFS Clients, List NFS clients connected to the NFS server, List NFS shares in …
NFS mount options | NFS exports options | Beginners Guide
Linux NFS mount options example, Linux NFS exports options, root_squash vs no_root_squash, hard mount vs soft mount, Unix NFS performance. NFS mount options …
Steps to configure NFS server & client in RHEL/CentOS 7/8
Step by Step NFS configuration Guide to install and configure NFS server in RHEL/CentOS 7/8. NFS server tutorial. How to check NFS status in Linux. setup nfs …
Linux sftp restrict user to specific directory | setup sftp chroot jail
how to configure sftp server in linux step by step to sftp restrict user to specific directory in Linux Setup sftp chroot jail with authorized_keys passwordless …
Solved: Error populating transaction, retrying RHEL/CentOS 7/8
How to fix starting package installation process error populating transaction, anaconda is retrying faced during RHEL/CentOS 7/8 installation in Linux
10 easy steps to move directory to another partition RHEL/CentOS 7/8
How to move directory to another partition move opt to new partition. move home to another partition. move var to new partition in RHEL/CentOS 7/8 Linux.
How to force file system check on boot: systemd-fsck RHEL/CentOS 7/8
Creating /forcefsck and /fsckoptions doesn't work on CentOS/RHEL 7/8 Linux How to perform force file system check on boot (next reboot) using systemd-fsck?
How to run systemd service as specific user and group in Linux
run service as user linux. systemd allow user to start service. systemd start service as user on boot run systemd service as specific user group CentOS/RHEl 7/8 …
How to run script with systemd right before login prompt in CentOS/RHEL 7/8
How to execute or run script with systemd right before login prompt in CentOS/RHEL 7/8 Linux between rc-local.service and getty.target in service unit file
How to run script with systemd right before shutdown in Linux
Steps to execute and run script with systemd right before shutdown in CentOS/RHEL 7/8 Linux. Use Before=shutdown.target to execute command before shutdown
How to run script on startup using systemd in Linux
How to execute and run script at startup after N minutes with delay using systemd and without cronjob in CentOS/RHEL 7/8 Linux before login prompt appears
How to read user input during boot stage with systemd in Linux
Shell script to read user input during boot stage in Linux with a systemd service in CentOS/RHEL 7/8 Linux. Take input at the startup script in Linux.