PostgreSQL Backup Shell Script for Linux (pg_dump Automation)
Automate PostgreSQL backups on Linux with pg_dump, gzip compression, retention cleanup, and cron scheduling.
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Systemd Failed Units Report Shell Script for Linux
List failed systemd units on Linux with a Bash script. Daily report of failed services, timers, and mounts…
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Linux Swap and Memory Alert Shell Script
Monitor Linux swap and memory usage with a Bash script. Alert when RAM or swap exceeds threshold before…
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Git Pull Deploy Shell Script for Linux Web Servers
Deploy web apps on Linux with a git pull deploy script. Fetch, reset, install dependencies, and reload nginx…
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Redis Backup Shell Script for Linux (RDB Snapshot Automation)
Automate Redis RDB backups on Linux with a Bash script. Trigger BGSAVE, copy dump.rdb, rotate old backups, and…
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Certbot SSL Auto-Renewal Check Shell Script (Let’s Encrypt)
Verify Let's Encrypt SSL certificates renew correctly on Linux with a Certbot check script and email alerts on…
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Extend LVM Disk on Linux with a Shell Script (lvresize & xfs/ext4)
Extend LVM logical volumes on Linux with a safe Bash script. Grow partitions, PV, VG, LV, and filesystem…
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Postfix Mail Queue Monitor Shell Script for Linux Servers
Monitor Postfix mail queue on Linux with a Bash script. Alert when queued messages exceed threshold and flush…
Read tutorial →Linux Shell Scripting Guide (2026): 17 Bash Tutorials for Sysadmins
Complete Linux shell scripting guide with 17 Bash tutorials: backup, monitoring, security, log analysis, and automation scripts for…
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Linux Port Monitor Shell Script (Check Open Ports & Services)
Monitor open ports and running services on Linux with a Bash script. Alert when expected ports are closed.
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