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How do I configure a load balancer (HAProxy or Nginx) in Linux?

How do I configure a load balancer (HAProxy or Nginx) in Linux?

This article details configuring HAProxy and Nginx as Linux load balancers, comparing their performance, configuration complexity, features, and security. It emphasizes monitoring and securing both solutions for optimal performance and protection.

Mar 12, 2025 pm 07:06 PM
How do I set up a file server (Samba or NFS) in Linux?

How do I set up a file server (Samba or NFS) in Linux?

This article details setting up Samba and NFS file servers in Linux. It covers installation, configuration, security considerations (passwords, access control, firewalls), and performance optimization (hardware, caching, kernel parameters). Key dif

Mar 12, 2025 pm 07:04 PM
How do I configure a mail server (Postfix or Sendmail) in Linux?

How do I configure a mail server (Postfix or Sendmail) in Linux?

This article details configuring mail servers in Linux using Postfix or Sendmail. It emphasizes Postfix's simpler configuration, covering installation, main.cf file modifications (including crucial directives), SASL authentication, DNS setup, and t

Mar 12, 2025 pm 07:03 PM
How do I set up a DNS server (BIND) in Linux?

How do I set up a DNS server (BIND) in Linux?

This article details setting up a BIND DNS server on Linux, covering installation, configuration of named.conf.options and named.conf.local, zone file creation, service restart, and testing. It also addresses troubleshooting, common errors, and cru

Mar 12, 2025 pm 07:02 PM
How do I configure a virtual private network (VPN) in Linux using OpenVPN or WireGuard?

How do I configure a virtual private network (VPN) in Linux using OpenVPN or WireGuard?

This article guides Linux users through configuring VPNs using OpenVPN or WireGuard. It details installation, configuration, connection verification, and troubleshooting for both protocols. The article also compares their security implications and

Mar 12, 2025 pm 07:02 PM
How do I back up and restore a Linux system?

How do I back up and restore a Linux system?

This article details Linux system backup and restoration methods. It compares full system image backups with incremental backups, discusses optimal backup strategies (regularity, multiple locations, versioning, testing, security, rotation), and da

Mar 12, 2025 pm 07:01 PM
How do I recover a damaged Linux system?

How do I recover a damaged Linux system?

This article details Linux system recovery methods, addressing issues from minor configuration errors to severe hard drive failures. It outlines a tiered approach: booting from a live environment, identifying the problem (using tools like fsck), rep

Mar 12, 2025 pm 07:00 PM
How do I troubleshoot common Linux problems?

How do I troubleshoot common Linux problems?

This article provides a guide to troubleshooting common Linux problems. It details a systematic approach, covering initial problem identification, checking basics (network, disk space, processes, logs), and using advanced debugging techniques. Comm

Mar 12, 2025 pm 07:00 PM
How do I configure SELinux or AppArmor to enhance security in Linux?

How do I configure SELinux or AppArmor to enhance security in Linux?

This article compares SELinux and AppArmor, Linux kernel security modules providing mandatory access control. It details their configuration, highlighting the differences in approach (policy-based vs. profile-based) and potential performance impacts

Mar 12, 2025 pm 06:59 PM
How do I set up a firewall in Linux using firewalld or iptables?

How do I set up a firewall in Linux using firewalld or iptables?

This article compares Linux firewall configuration using firewalld and iptables. Firewalld offers a user-friendly interface for managing zones and services, while iptables provides low-level control via command-line manipulation of the netfilter fra

Mar 12, 2025 pm 06:58 PM
How do I configure log rotation in Linux using logrotate?

How do I configure log rotation in Linux using logrotate?

This article explains Linux log rotation using logrotate. It details configuration via /etc/logrotate.d/, covering options like rotation frequency, file retention, compression, and troubleshooting. The main focus is effective log file management t

Mar 11, 2025 pm 05:41 PM
How do I use journalctl to view and analyze system logs in Linux?

How do I use journalctl to view and analyze system logs in Linux?

This article explains how to use journalctl, a Linux command-line utility for viewing and analyzing system logs. It details filtering by service, process, log level (e.g., errors), time range, and keywords; and shows how to manage log output format

Mar 11, 2025 pm 05:40 PM
How do I monitor system performance in Linux using tools like top, htop, vmstat, and iostat?

How do I monitor system performance in Linux using tools like top, htop, vmstat, and iostat?

This article guides Linux users on system performance monitoring using top, htop, vmstat, and iostat. It details each tool's functionality, key performance indicators (CPU, memory, I/O), output interpretation, and identifying bottlenecks (e.g., high

Mar 11, 2025 pm 05:39 PM
How do I configure automatic updates in Linux?

How do I configure automatic updates in Linux?

This article details configuring automatic updates in Linux, highlighting distribution-specific methods using package managers (apt, yum, pacman, dnf) and graphical interfaces. It addresses risks like system instability and downtime, customization o

Mar 11, 2025 pm 05:39 PM

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