scripts-fabq

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Author	SHA1	Message	Date
Fabrice Quenneville	89e4bd519a	docs(notes): expand storage, btrfs, linux, and ssh notes btrfs.md: - Add device scan (no-arg form) and device stats --reset / -z - Add read-only mount, remount with performance/default options - Add Degraded Mount and Missing Device Removal subsection - Add stdbuf + zstd backgrounded defrag with log output - Add RAID1 balance conversion - Add ionice for scrub, watch scrub+device stats, watch scrub+temperatures - Add Recovery → Filesystem Check (btrfs check, --force) - Add Recovery → Diagnosis (journal by date, dmesg btrfs filter) linux.md: - Add CPU info commands (lscpu, /proc/cpuinfo, core count) - Add GPU info (lspci \| grep vga) and CPU scaling driver - Add mount --bind and chroot with pseudo-fs setup - Add update-initramfs -k all and -c -k $(uname -r) variants - Add NFS section (showmount, exportfs) - Add Network Diagnostics section (curl timing, high-freq ping, jumbo frame ping) - Add journal date filtering and microcode grep to Diagnosis ssh.md: - Add Placeholders section - Replace all hardcoded usernames, hostnames, IPs, and key paths with placeholders - Add Skip Host Key Verification section (StrictHostKeyChecking, UserKnownHostsFile) storage.md: - Add lsblk -e 7 to exclude loop devices - Add blkid <partition> variant - Add cat /proc/mounts grep - Add SMART filtered greps (Reallocated, Pending, UDMA_CRC, Load_Cycle_Count) - Add drive temperature one-liner and watch loop - Add Hardware Monitoring section (lm-sensors, sensors-detect, sensors) - Add Kernel Messages section (dmesg tail, err/warn, -T, nvme, ata/scsi, I/O, ATA port mapping) - Add strings on raw device to Hex Dump	2026-05-12 01:03:26 -04:00
Fabrice Quenneville	e793f578de	Added step to install a public key on a remote server for passwordless authentication manually	2024-10-24 14:13:52 -04:00
Fabrice Quenneville	173bffb260	Add SSH notes to repository This commit introduces comprehensive SSH documentation, covering key management, connection methods, firewall configurations, and secure file transfer protocols. The new section includes: - Instructions for connecting using specific SSH keys. - Detailed SSH key management processes, including key generation and public key installation. - Verbose mode usage for connection troubleshooting. - Configuration guidelines for enabling root login and firewall settings with firewalld. - Examples of SCP (Secure Copy Protocol) for secure file transfers. - Commands for executing remote commands and testing SSH connections. - Best practices for managing SSH aliases and updating known hosts. - Steps for removing offending SSH keys from the known_hosts file. These notes serve as a resource for efficient SSH usage and management, enhancing the overall functionality of the repository.	2024-10-23 13:28:34 -04:00

Author

SHA1

Message

Date

Fabrice Quenneville

89e4bd519a

docs(notes): expand storage, btrfs, linux, and ssh notes

btrfs.md:
- Add device scan (no-arg form) and device stats --reset / -z
- Add read-only mount, remount with performance/default options
- Add Degraded Mount and Missing Device Removal subsection
- Add stdbuf + zstd backgrounded defrag with log output
- Add RAID1 balance conversion
- Add ionice for scrub, watch scrub+device stats, watch scrub+temperatures
- Add Recovery → Filesystem Check (btrfs check, --force)
- Add Recovery → Diagnosis (journal by date, dmesg btrfs filter)

linux.md:
- Add CPU info commands (lscpu, /proc/cpuinfo, core count)
- Add GPU info (lspci | grep vga) and CPU scaling driver
- Add mount --bind and chroot with pseudo-fs setup
- Add update-initramfs -k all and -c -k $(uname -r) variants
- Add NFS section (showmount, exportfs)
- Add Network Diagnostics section (curl timing, high-freq ping, jumbo frame ping)
- Add journal date filtering and microcode grep to Diagnosis

ssh.md:
- Add Placeholders section
- Replace all hardcoded usernames, hostnames, IPs, and key paths with placeholders
- Add Skip Host Key Verification section (StrictHostKeyChecking, UserKnownHostsFile)

storage.md:
- Add lsblk -e 7 to exclude loop devices
- Add blkid <partition> variant
- Add cat /proc/mounts grep
- Add SMART filtered greps (Reallocated, Pending, UDMA_CRC, Load_Cycle_Count)
- Add drive temperature one-liner and watch loop
- Add Hardware Monitoring section (lm-sensors, sensors-detect, sensors)
- Add Kernel Messages section (dmesg tail, err/warn, -T, nvme, ata/scsi, I/O, ATA port mapping)
- Add strings on raw device to Hex Dump

2026-05-12 01:03:26 -04:00

Fabrice Quenneville

e793f578de

Added step to install a public key on a remote server for passwordless authentication manually

2024-10-24 14:13:52 -04:00

Fabrice Quenneville

173bffb260

Add SSH notes to repository

This commit introduces comprehensive SSH documentation, covering key management, connection methods, firewall configurations, and secure file transfer protocols. The new section includes:

- Instructions for connecting using specific SSH keys.
- Detailed SSH key management processes, including key generation and public key installation.
- Verbose mode usage for connection troubleshooting.
- Configuration guidelines for enabling root login and firewall settings with firewalld.
- Examples of SCP (Secure Copy Protocol) for secure file transfers.
- Commands for executing remote commands and testing SSH connections.
- Best practices for managing SSH aliases and updating known hosts.
- Steps for removing offending SSH keys from the known_hosts file.

These notes serve as a resource for efficient SSH usage and management, enhancing the overall functionality of the repository.

2024-10-23 13:28:34 -04:00

3 Commits