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…
Read tutorial →Search results for "linux tutorial"
How to Install Go (Golang) on Linux: Official Tarball, PATH and Modules
Install Go on Linux from go.dev tarball: extract to /usr/local/go, PATH, go version, go mod init build, go…
Read tutorial →
Change Linux Hostname: hostnamectl, /etc/hostname and /etc/hosts
Change hostname on Linux with hostnamectl set-hostname, edit /etc/hostname and /etc/hosts, cloud VPS caveats, mail HELO and TLS…
Read tutorial →
How to Install Java (OpenJDK) on Linux: Ubuntu, AlmaLinux and JAVA_HOME
Install OpenJDK on Ubuntu and AlmaLinux: JDK vs headless JRE, java -version, set JAVA_HOME in profile.d, alternatives for…
Read tutorial →
Linux free Command Explained: Memory, available, Swap and When RAM Is Full
Understand free -h on Linux: total, used, free, available, buffers/cache, swap, MemAvailable vs free column, and when to…
Read tutorial →
How to Install Terraform on Linux (Binary, init, plan and apply)
Install Terraform on Linux from HashiCorp releases: unzip to /usr/local/bin, terraform init providers, plan before apply, state safety,…
Read tutorial →
How to Install kubectl on Linux and Use It (get, describe, logs)
Install kubectl on Linux from official binaries, configure kubeconfig, switch context, kubectl get pods/nodes, describe events, logs, and…
Read tutorial →
Bash Aliases on Linux: bashrc, Safe Shortcuts and System-Wide profile.d
Create Bash aliases on Linux: add to ~/.bashrc, source changes, useful examples, avoid dangerous rm aliases, system-wide /etc/profile.d,…
Read tutorial →
Linux Load Average Explained: uptime, CPU Cores and When to Worry
Understand Linux load average from uptime and top: 1/5/15 minute values, compare to CPU core count, iowait vs…
Read tutorial →
Docker logs and docker exec: Debug Containers on Linux (Compose Included)
Debug Docker on Linux: docker logs --tail and -f, docker ps -a exit codes, docker exec into containers,…
Read tutorial →