Linux core operations pack

v0.3.5

Read-only Linux diagnostics plus narrow service control. Disk, mem, uptime, journalctl, log grep + tail, users/auth introspection, cron audit, network state, kernel info, and systemctl control. The front-line pack every Linux host gets.

Pack ID

linux-core

Vendor

emisar

linux

Actions

Install

emisar pack install validates the pack and verifies its content hash before copying it into /etc/emisar/packs. The --hash below pins the install to the exact bytes on this page — a tampered copy is rejected. After install, reload the runner; it re-reads the catalog and advertises every action.

content hash: sha256:5ac0434deb329d99d8839be000b29f6afb0e12b39b3b01a603059093e8051012

on the runner host

sudo emisar pack install linux-core \
  --hash sha256:5ac0434deb329d99d8839be000b29f6afb0e12b39b3b01a603059093e8051012 \
  --dest /etc/emisar/packs

# Reload so the runner re-reads the catalog:
sudo systemctl reload emisar

Actions 34 total

View on GitHub

linux.arp_neighbors exec low

ARP / IPv6 neighbor table
linux.cpu_info exec low

CPU topology and features
linux.cron_recent exec low

Recent cron job execution log
linux.crontab_all exec low

All user crontabs + system cron dirs
linux.disk_smart exec low

SMART health for one disk
linux.disk_usage exec low

Filesystem disk usage
linux.failed_logins exec medium

Recent failed login attempts
linux.grep_log exec low

Grep a log file
linux.hardware_summary exec low

Hardware + BIOS summary via dmidecode
linux.inode_usage exec low

Inode usage per filesystem
linux.journalctl exec medium

Recent systemd journal entries
linux.journalctl_grep exec medium

Grep recent systemd journal entries
linux.kernel_modules exec low

Loaded kernel modules sorted by size
linux.last_logins exec low

Recent successful logins
linux.lvm_status exec low

LVM volume / group / PV summary
linux.mdadm_status exec low

mdadm RAID array status
linux.memory exec low

System memory snapshot
linux.memory_detailed exec low

Full /proc/meminfo
linux.mount_status exec low

Mounted filesystems
linux.network_interfaces exec low

Network interfaces
linux.network_routes exec low

Routing table + policy rules
linux.os_release exec low

Distro + kernel identity
linux.reboot_host exec critical

Schedule a host reboot
linux.sudoers_dump exec medium

sudoers configuration audit
linux.systemctl_disable exec high

Disable a systemd unit at boot
linux.systemctl_enable exec high

Enable a systemd unit at boot
linux.systemctl_reload exec medium

Reload a systemd unit's config
linux.systemctl_restart exec high

Restart a systemd unit
linux.systemctl_start exec high

Start a systemd unit
linux.systemctl_status exec low

Systemd unit status
linux.systemctl_stop exec high

Stop a systemd unit
linux.tail_log exec low

Tail a log file
linux.uptime exec low

System uptime and load average
linux.who_now exec low

Currently logged-in users

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