doddle-devops-skills

Plugin doddle-devops-skills in DoddleHQ/DoddleOS. Commands read from the repo's manifest — 17 days ago.

Skills (10)

• backup-restore

  Use when files, partitions, or systems must be backed up, copied between servers, compressed, or restored — tar workflows (including over ssh), incremental backup levels, dump/restore, cpio with find, dd images and its dangers, split for oversized artifacts, and gzip/bzip2 trade-offs. For LVM snapsh

• boot-and-services

  Use for boot failures, bootloader (grub/grub2) configuration, kernel boot parameters, runlevel/init legacy systems, and every systemd task — why a service is dead or failing, enable/start/stop, targets, journal reading, boot-time analysis. For cron jobs, see scheduling-and-logging; for kernel module

• kernel-modules

  Use for kernel version and boot parameter inspection, kernel module loading problems (lsmod/modprobe/depmod, module dependencies, modprobe aliases), missing shared libraries (ldd), library tracing (ltrace), and syscall tracing (strace) to see what a program really does. For boot failures, see boot-a

• lvm-raid

  Use for LVM volume inspection, extension (online lvextend + resize2fs), resizing physical volumes, mirrors and snapshots, mdadm software RAID state checks and rebuilds, and disk-capacity incidents on volume-managed servers. For basic partitioning or fstab work, see storage-filesystems.

• networking-ssh

  Use for connectivity faults, interface and IP configuration (Debian /etc/network/interfaces, RHEL ifcfg files, ip/ifconfig), routing, arp, hostname, binding extra IPs, NIC bonding, ssh client/server setup incl. passwordless keys, packet sniffing (tcpdump), NFS shares, and basic iptables firewall che

• package-management

  Use for installing, searching, upgrading, and removing software on Debian family (dpkg, apt-get, aptitude, apt) and Red Hat family (rpm, yum) — repository setup, which package owns a file, verifying and repairing installed files, converting packages with alien, and building from source. For broken d

• process-management

  Use when diagnosing runaway, hung, or zombie processes, CPU/memory hogs, or when a process must be signaled, reniced, or killed — covers ps/top/pgrep reading, signal semantics (TERM vs KILL, HUP, STOP/CONT), nice values, and job control (jobs/fg/bg/Ctrl-Z). For memory or I/O pressure analysis, see r

• resource-monitoring

  Use when the server is slow but CPU is idle, when memory pressure or OOM kills are suspected, when you need to know who holds a file or socket, or for baselining CPU/network/RAM/storage before trouble — free truth, vmstat/iostat/iotop reading, lsof/fuser forensics, swap management, sar history. For

• scheduling-and-logging

  Use for one-time jobs (at), recurring jobs (cron/crontab, /etc/cron.*), and everything logging — who logged in (who/last/lastb), rsyslog routing by facility.priority, testing with logger, watching logs live, and rotating logs that eat disk. For service failures, see boot-and-services; for disk-full

• storage-filesystems

  Use for disk space incidents, new disk provisioning, partitioning (fdisk/parted, MBR/GPT), creating and checking file systems (mkfs/tune2fs/fsck), mounting and permanent mounts (fstab with UUIDs), and secure mount options. For volume resizing, RAID, or snapshots, see lvm-raid.

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