SystemRescue

https://www.system-rescue.org/manual/
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SystemRescue is a bootable Linux system that provides tools for repairing systems, recovering data,...
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### YAML Configuration Example: Defaults

Source: https://www.system-rescue.org/manual/Configuring_SystemRescue

This is an example of a default configuration file. Ensure correct YAML syntax with colons and indentation.

```yaml
---
global:
    nofirewall: false
    dovnc: false
    setkmap: "fr-latin1"

```

--------------------------------

### Get Information About a Package

Source: https://www.system-rescue.org/manual/Installing_packages_with_pacman

To view details about a package before installing it, use this command. It displays information such as version, dependencies, and description.

```bash
pacman -Si <package name>
```

--------------------------------

### SystemRescue YAML Configuration Example

Source: https://www.system-rescue.org/manual/Configuring_SystemRescue

This example demonstrates a SystemRescue YAML configuration file with entries in global, autorun, and sysconfig scopes. It shows how to enable options like copytoram, checksum, and dostartx, configure keyboard layout, and set custom certificates.

```yaml
---
global:
    copytoram: true
    checksum: true
    nofirewall: false
    loadsrm: false
    late_load_srm: "https://example.com/myconfig.srm"
    setkmap: "fr-latin1"
    dostartx: true
    dovnc: false
    rootshell: "/bin/bash"
    rootcryptpass: "$6$Y.AolXkpG/Js2Zqx$z7J893qtB7jKn3z39ucbgvpkJ6wTrJ8N0CBVr5cJ.uXugGTMTSjMI7qsSTu4UTFGGKpGyEG/BnYNRE6oZFO4b0"
    rootpass: "MyRootPassword123"
    vncpass: "MyVncPassword456"

autorun:
    ar_disable: false
    ar_nowait: false
    ar_nodel: false
    ar_attempts: 1
    ar_ignorefail: false
    ar_suffixes: "0,1,2,3,4,5"

autoterminal:
    tty2: "/usr/bin/tmux"
    
sysconfig:
    ca-trust:
        example-ca: |
            -----BEGIN CERTIFICATE-----
            MIIDlTCCAn2gAwIBAgIUbB4K7H53E3spHfMtSb0To+Fyb3wwDQYJKoZIhvcNAQEL
            BQAwWjELMAkGA1UEBhMCWFgxFTATBgNVBAcMDERlZmF1bHQgQ2l0eTEcMBoGA1UE
            [...]
            VtbLuXNBNjfcAk1xqTb1j9dMeHDZKV4Imr0W3qfsHnWFqihxGyKJ79Qb2bL1Kquc
            vgI/6+yHyDlw
            -----END CERTIFICATE-----

```

--------------------------------

### YAML Configuration Example: Overriding Options

Source: https://www.system-rescue.org/manual/Configuring_SystemRescue

This example shows how to override default settings. Note that an empty value for `setkmap` will remove the configuration entry.

```yaml
---
global:
    nofirewall: true
    setkmap:

```

--------------------------------

### Example fsarchiver probe output

Source: https://www.system-rescue.org/manual/Backup_data_from_an_unbootable_windows_computer

This is an example output from the `fsarchiver probe -v` command, showing how disks and partitions are identified. The first column lists the device names needed to access your data.

```text
root@sysresccd /root % fsarchiver probe -v
[=====DEVICE=====] [==FILESYS==] [=====LABEL=====] [====SIZE====] [MAJ] [MIN]
[/dev/sda1       ] [ntfs       ] [Windows-XP     ] [    25.00 GB] [  8] [  1]
[/dev/sda5       ] [ntfs       ] [Data           ] [   120.00 GB] [  8] [  5]
[/dev/sda6       ] [ntfs       ] [Backup         ] [    70.00 GB] [  8] [  6]


```

--------------------------------

### Start graphical environment

Source: https://www.system-rescue.org/manual/Starting_to_use_the_system

Launch the graphical environment from the console. This command is required to use graphical tools like GParted.

```bash
startx
```

--------------------------------

### Start SSH server

Source: https://www.system-rescue.org/manual/Starting_to_use_the_system

Start the SSH daemon to enable remote root login. This command is useful for setting up remote access to the system.

```bash
systemctl start sshd
```

--------------------------------

### Install a local package file

Source: https://www.system-rescue.org/manual/Installing_packages_from_AUR

After building an AUR package, it is saved as a *.pkg.tar.zst file. Use this command with pacman to install the local package file.

```bash
pacman -U <filename>
```

--------------------------------

### Install a Package with Pacman

Source: https://www.system-rescue.org/manual/Installing_packages_with_pacman

After updating the package database, you can download and install a specific package by its name. Be mindful of available space in the writable layer.

```bash
pacman -S <package name>
```

--------------------------------

### Configure GUI Autostart Programs with YAML

Source: https://www.system-rescue.org/manual/gui_autostart_Start_programs_on_graphical_desktop

Use the `gui_autostart` scope in your YAML configuration to define programs that should start automatically. Keys like '100' and '200' are arbitrary names for each program entry. You can specify programs using either a `desktop` file path or an `exec` command.

```yaml
---
gui_autostart:
    100:
        desktop: "/usr/share/applications/thunar.desktop"
    200:
        exec: "bash -c \"read -p 'press any key'\""
        terminal: true

```

--------------------------------

### Prepare SystemRescue for AUR package compilation

Source: https://www.system-rescue.org/manual/Installing_packages_from_AUR

Run this command to download and install components required for compiling AUR packages. This prepares the system for using 'yay'.

```bash
yay-prepare
```

--------------------------------

### Install rsync Daemon as a Windows Service with Cygwin

Source: https://www.system-rescue.org/manual/Backup_and_transfer_your_data_using_rsync

This command installs the rsync executable as a Windows service using cygrunsrv.exe. It configures the daemon to use a specific configuration file and run in the background.

```bash
cygrunsrv.exe -I "cygrsyncd" -p /usr/bin/rsync.exe -a "--config=/etc/rsyncd.conf --daemon --no-detach"

```

--------------------------------

### pxelinux.cfg/default Configuration for SystemRescue

Source: https://www.system-rescue.org/manual/PXE_network_booting

Example pxelinux.cfg/default file for booting SystemRescue via PXE. It specifies kernel, initrd, and append parameters, including the HTTP server for the root filesystem. Ensure pxelinux version is 5.10 or newer for SYSAPPEND support.

```text
DEFAULT sysresccd
LABEL sysresccd
  LINUX sysresccd/boot/x86_64/vmlinuz
  INITRD sysresccd/boot/intel_ucode.img,sysresccd/boot/amd_ucode.img,sysresccd/boot/x86_64/sysresccd.img
  APPEND archisobasedir=sysresccd ip=dhcp archiso_http_srv=http://10.0.2.4/ checksum
  SYSAPPEND 3

```

--------------------------------

### Boot SystemRescue with static IP and gateway

Source: https://www.system-rescue.org/manual/Backup_data_from_an_unbootable_windows_computer

Use this command to boot SystemRescue with a static IP address and gateway configuration. Replace the example IP addresses with your network's specific details.

```bash
rescue64 ethx=192.168.1.158 gateway=192.168.1.254

```

--------------------------------

### List Network Interfaces

Source: https://www.system-rescue.org/manual/Backup_data_from_an_unbootable_windows_computer

Displays all network interfaces detected by the system, including their configuration details. Useful for identifying the correct interface (e.g., eth0) for network setup.

```bash
ifconfig -a
```

--------------------------------

### Configure Sysctl Parameters

Source: https://www.system-rescue.org/manual/Configuring_SystemRescue_sysconfig

Set kernel parameters at runtime using `sysctl`. Examples include enabling IP forwarding and configuring ARP behavior.

```yaml
    sysctl:
        net.ipv4.ip_forward: "1"
        net.ipv4.conf.all.arp_filter: "1"
```

--------------------------------

### Configure GRUB for Serial Console

Source: https://www.system-rescue.org/manual/Booting_on_a_serial_console

Modify the GRUB configuration file to enable serial console input and output. This setup works in parallel with the regular console.

```grub
serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1
terminal_input --append serial
terminal_output --append serial
```

--------------------------------

### Pacman Package Signature Error Example

Source: https://www.system-rescue.org/manual/Installing_packages_with_pacman

This is an example of the error message encountered when a package's signature cannot be verified due to an expired GPG key.

```bash
error: foobar: signature from "John Doe <john@example.com>" is unknown trust
:: File /var/cache/pacman/pkg/foobar-1.2-3-x86_64.pkg.tar.zst is corrupted (invalid or corrupted package (PGP signature)).
Do you want to delete it? [Y/n] 

```

--------------------------------

### Update Pacman Package Database

Source: https://www.system-rescue.org/manual/Installing_packages_with_pacman

Before installing or searching for packages, synchronize the local package database with the remote repositories. This requires an active internet connection.

```bash
pacman -Sy
```

--------------------------------

### Securely Delete Windows Swap File

Source: https://www.system-rescue.org/manual/Secure_Deletion_of_Data

Use `wipe` to securely delete a specific file, like a Windows swap file, from a mounted partition. This example uses 35 overwriting passes.

```bash
wipe -D  /mnt/windows/win386.swp
```

--------------------------------

### Burn ISO with wodim

Source: https://www.system-rescue.org/manual/Downloading_and_burning

Burn the downloaded ISO image to a CD/DVD using the `wodim` command-line tool. First, identify your device using `wodim --devices`.

```bash
wodim dev=/dev/scXX -v systemrescue-x.y.z.iso
```

--------------------------------

### Download ISO with wget

Source: https://www.system-rescue.org/manual/Downloading_and_burning

Use this command to download the SystemRescue ISO image file. The `-c` option allows for resuming interrupted downloads.

```bash
wget -c address-of-the-iso-file
```

--------------------------------

### Search for Packages by Name or Description

Source: https://www.system-rescue.org/manual/Installing_packages_with_pacman

If you don't know the exact package name, you can search for keywords within package names and descriptions. This helps in discovering available software.

```bash
pacman -Ss <search string>
```

--------------------------------

### Burn ISO with wodim and specify speed

Source: https://www.system-rescue.org/manual/Downloading_and_burning

Burn the downloaded ISO image to a CD/DVD using `wodim`, specifying the device and burn speed. Replace `sr0` with your actual DVD writer device.

```bash
wodim dev=/dev/sr0 speed=8 -v systemrescue-x.y.z.iso
```

--------------------------------

### SystemRescue PXE Boot Configuration Files

Source: https://www.system-rescue.org/manual/PXE_network_booting

List of files required on the TFTP server for PXE booting SystemRescue. Ensure these files are present in their specified locations.

```text
./sysresccd/boot/x86_64/vmlinuz
./sysresccd/boot/x86_64/sysresccd.img
./sysresccd/boot/memtest.COPYING
./sysresccd/boot/memtest
./sysresccd/boot/intel_ucode.LICENSE
./sysresccd/boot/intel_ucode.img
./sysresccd/boot/amd_ucode.LICENSE
./sysresccd/boot/amd_ucode.img
./sysresccd/VERSION
./sysresccd/pkglist.x86_64.txt
./pxelinux.cfg/default
./ldlinux.c32
./pxelinux.0

```

--------------------------------

### Detect disks and partitions with fsarchiver

Source: https://www.system-rescue.org/manual/Backup_data_from_an_unbootable_windows_computer

Run this command to list all detected disks and their partitions, including filesystem type, label, and size. Note the device name (e.g., /dev/sda1) for partitions containing your data.

```bash
fsarchiver probe -v

```

--------------------------------

### Configure rsync Daemon

Source: https://www.system-rescue.org/manual/Backup_and_transfer_your_data_using_rsync

This configuration sets up an rsync daemon with specific paths, read-only access, and allowed hosts. Ensure the paths exist and adjust 'hosts allow' for your network.

```rsync
# ======================/etc/rsyncd.conf======================
pid file = /var/run/rsyncd.pid
read only = yes
uid = root
gid = root

[share1]
    path = /mnt/share1
    read only = yes
    hosts allow = myhost, 10.88.45.0/24

[backups]
    path = /var/tmp/catalyst/tmp
    read only = no
    hosts allow = mybiggie, 10.88.45.0/24

[rootfs]
    path = /
    read only = yes
    hosts allow = myhost, 10.88.45.0/24

[upload]
    path = /upload
    read only = no
    hosts allow = 172.16.0.0/16

```

--------------------------------

### Mount NTFS with Read-Write Support

Source: https://www.system-rescue.org/manual/Mounting_ntfs_filesystems

Use this command to mount an NTFS file system with full read and write access. Ensure the device name and mount point are correctly specified.

```bash
mkdir -p /mnt/windows
mount -t ntfs3 /dev/xxx /mnt/windows
```

--------------------------------

### Configure Static IP with nmcli

Source: https://www.system-rescue.org/manual/Network_configuration_and_programs

Use nmcli to manually set a static IP address, netmask, gateway, and DNS server for a network connection. The 'conn up' command is required to apply the new settings.

```bash
nmcli conn mod "Wired connection 1" ipv4.method manual
nmcli conn mod "Wired connection 1" ipv4.addr 192.168.1.20/24
nmcli conn mod "Wired connection 1" ipv4.gateway 192.168.1.1
nmcli conn mod "Wired connection 1" ipv4.dns 192.168.1.1
nmcli conn up "Wired connection 1"
```

--------------------------------

### GRUB Boot Stanza for SystemRescue ISO

Source: https://www.system-rescue.org/manual/Installing_SystemRescue_on_the_disk

Add this stanza to your GRUB configuration to boot SystemRescue from an ISO image. Ensure the `iso_path` correctly points to your SystemRescue ISO file.

```grub
menuentry "SystemRescue" {
  iso_path="/boot/iso/systemrescue.iso"
  export iso_path
  search --set=root --file $iso_path
  # support booting recent GRUB versions on UEFI systems
  rmmod tpm
  loopback loop $iso_path
  set root=(loop)
  # the path below is on the SystemRescue ISO, not the hard drive
  configfile /boot/grub/loopback.cfg
}

```

--------------------------------

### Syslinux Boot Entry with Serial Console

Source: https://www.system-rescue.org/manual/Booting_on_a_serial_console

Configures a Syslinux menu entry to boot SystemRescue via a serial console, specifying kernel, initrd, and boot parameters including serial console settings.

```syslinux
LABEL sysresccd-serial
TEXT HELP
Use a serial console.
ENDTEXT
MENU LABEL Boot SystemRescue with serial console (ttyS0,115200n8)
LINUX boot/x86_64/vmlinuz
INITRD boot/intel_ucode.img,boot/amd_ucode.img,boot/x86_64/sysresccd.img
APPEND archisobasedir=sysresccd archisolabel=RESCUE905 iomem=relaxed console=tty0 console=ttyS0,115200n8
```

--------------------------------

### HTTP URLs for SystemRescue Filesystem

Source: https://www.system-rescue.org/manual/PXE_network_booting

URLs from which the SystemRescue squashfs filesystem (airootfs.sfs) and its checksum (airootfs.sha512) will be downloaded via HTTP. Verify these files are accessible before PXE booting.

```text
http://10.0.2.4/sysresccd/x86_64/airootfs.sfs
http://10.0.2.4/sysresccd/x86_64/airootfs.sha512

```

--------------------------------

### Use Rolling Configuration for Pacman

Source: https://www.system-rescue.org/manual/Installing_packages_with_pacman

To access the latest packages similar to a rolling release model, use the `--config` option with the rolling pacman configuration file. Remember to synchronize the database for this configuration separately.

```bash
pacman --config=/etc/pacman-rolling.conf -Sy
```

--------------------------------

### Configure Hosts File Entries

Source: https://www.system-rescue.org/manual/Configuring_SystemRescue_sysconfig

Add static host entries to the system's hosts file, mapping IP addresses to hostnames.

```yaml
    hosts:
        "192.168.1.1": "example.net.lan"
        "192.168.1.10": "foo.net.lan foo"
```

--------------------------------

### Configure Firefox Bookmarks

Source: https://www.system-rescue.org/manual/Configuring_SystemRescue_sysconfig

Add bookmarks to the Firefox browser via `policies.json`. Entries are ordered lexicographically by their keys and require `title` and `url` fields.

```yaml
    bookmarks:
        0100:
            title: "SystemRescue"
            url: "https://www.system-rescue.org/"
        0200:
            title: "Arch Linux Package Search"
            url: "https://archlinux.org/packages/"
```

--------------------------------

### Configure Static IP Address and Gateway

Source: https://www.system-rescue.org/manual/Backup_data_from_an_unbootable_windows_computer

Sets a static IP address, netmask, and default gateway for the specified network interface. This is necessary if DHCP is not available or preferred.

```bash
ifconfig eth0 192.168.1.158 netmask 255.255.255.0
route add default gw 192.168.1.254
```

--------------------------------

### Search for AUR packages

Source: https://www.system-rescue.org/manual/Installing_packages_from_AUR

Use 'yay' to search for packages available in the AUR. Replace <Search Term> with the name or keyword of the package you are looking for.

```bash
yay <Search Term>
```

--------------------------------

### Boot SystemRescue with DHCP

Source: https://www.system-rescue.org/manual/Backup_data_from_an_unbootable_windows_computer

This command boots SystemRescue and automatically obtains an IP address using DHCP. This is useful if you prefer dynamic IP assignment or have a DHCP server on your network.

```bash
rescue64 dodhcp

```

--------------------------------

### Auto-configure network with DHCP

Source: https://www.system-rescue.org/manual/Starting_to_use_the_system

Use this command to automatically configure the network interface using DHCP. Ensure 'eth0' is the correct interface name for your system.

```bash
dhcpcd eth0
```

--------------------------------

### Navigate and List Partition Contents

Source: https://www.system-rescue.org/manual/Backup_data_from_an_unbootable_windows_computer

Changes the current directory to the mounted Windows partition and lists its contents. This helps in verifying the mount and browsing files.

```bash
cd /mnt/windows
ls -l
```

--------------------------------

### Apply Rolling Configuration to Pacman Command

Source: https://www.system-rescue.org/manual/Installing_packages_with_pacman

This command demonstrates how to use the rolling pacman configuration for any pacman operation. It's important to be cautious when using the rolling configuration, as it can potentially lead to system instability.

```bash
pacman --config=/etc/pacman-rolling.conf <pacman command>
```

--------------------------------

### SystemRescue GRUB menu.lst Configuration

Source: https://www.system-rescue.org/manual/Installing_SystemRescue_on_the_disk

This configuration is for the menu.lst file used by GRUB to boot SystemRescue from an NTFS disk. Ensure 'archisolabel' matches your partition's label and 'setkmap' matches your keyboard layout.

```grub
title    SystemRescue from the NTFS disk
root     (hd0,0)
kernel   /sysresccd/boot/x86_64/vmlinuz archisobasedir=sysresccd archisolabel=windows copytoram setkmap=us
initrd   /sysresccd/boot/x86_64/sysresccd.img
```

--------------------------------

### GRUB Boot Entry with Serial Console

Source: https://www.system-rescue.org/manual/Booting_on_a_serial_console

Defines a GRUB menu entry to boot SystemRescue using a serial console with specific parameters (ttyS0, 115200 baud, 8N1).

```grub
menuentry "Boot SystemRescue with serial console (ttyS0,115200n8)" {
        set gfxpayload=keep
        linux /sysresccd/boot/x86_64/vmlinuz archisobasedir=sysresccd archisolabel=RESCUE905 iomem=relaxed console=tty0 console=ttyS0,115200n8
        initrd /sysresccd/boot/intel_ucode.img /sysresccd/boot/amd_ucode.img /sysresccd/boot/x86_64/sysresccd.img
}
```

--------------------------------

### GRUB2 Configuration for SystemRescue

Source: https://www.system-rescue.org/manual/Installing_SystemRescue_on_the_disk

Add this configuration to a new file (e.g., /etc/grub.d/25_sysresccd) to enable booting SystemRescue from a GRUB2 bootloader. It uses filesystem labels and the 'copytoram' option.

```bash
#!/bin/sh
exec tail -n +3 $0

menuentry 'SystemRescue' {
  load_video
  insmod gzio
  insmod part_gpt
  insmod part_msdos
  insmod ext2
  search --no-floppy --label boot --set=root
  echo   'Loading Linux kernel ...'
  linux  /sysresccd/boot/x86_64/vmlinuz archisobasedir=sysresccd archisolabel=boot copytoram setkmap=us
  echo   'Loading initramfs ...'
  initrd /sysresccd/boot/x86_64/sysresccd.img
}

```

--------------------------------

### Configure CA Trust Anchors

Source: https://www.system-rescue.org/manual/Configuring_SystemRescue_sysconfig

Add local Certification Authorities (CAs) as trust anchors. CAs are in X.509 format and are placed in `/etc/ca-certificates/trust-source/anchors/`.

```yaml
    ca-trust:
        example-ca: |
            -----BEGIN CERTIFICATE-----
            MIIDlTCCAn2gAwIBAgIUbB4K7H53E3spHfMtSb0To+Fyb3wwDQYJKoZIhvcNAQEL
            BQAwWjELMAkGA1UEBhMCWFgxFTATBgNVBAcMDERlZmF1bHQgQ2l0eTEcMBoGA1UE
            [...]
            VtbLuXNBNjfcAk1xqTb1j9dMeHDZKV4Imr0W3qfsHnWFqihxGyKJ79Qb2bL1Kquc
            vgI/6+yHyDlw
            -----END CERTIFICATE-----
```

--------------------------------

### Configure rclone for Cloud Storage

Source: https://www.system-rescue.org/manual/Network_configuration_and_programs

Use this command to interactively configure a new cloud storage service with rclone. You will be prompted to enter details for each service, and each will be assigned a remote name.

```bash
rclone config
```

--------------------------------

### YAML Configuration for Autorun Scripts

Source: https://www.system-rescue.org/manual/Run_your_own_scripts_with_autorun

Use this YAML structure to define autorun scripts. Specify scripts by URL or path, along with parameters, execution mode (shell or direct), wait conditions, and error handling. Programs are executed in lexicographical order of their keys.

```yaml
---
autorun:
    exec:
        200:
            url: "http://web-server/adminscripts/some-script"
            parameters: 
                - "foo"
                - "bar"
            shell: false
            wait: always
            waitmode: 15
            on_error: break
        300:
            path: "rclone"
            parameters: 
                - "copy"
                - "myserver:/scripts/"
                - "/root"
            wait: on_error
            on_error: break

```

--------------------------------

### Switch to DHCP with nmcli

Source: https://www.system-rescue.org/manual/Network_configuration_and_programs

Revert a network connection to automatic configuration via DHCP using nmcli. The 'conn up' command is necessary to re-establish the connection with DHCP settings.

```bash
nmcli conn mod "Wired connection 1" ipv4.method auto
nmcli conn up "Wired connection 1"
```

--------------------------------

### Update Files Database for Filename Search

Source: https://www.system-rescue.org/manual/Installing_packages_with_pacman

To search for packages that provide a specific filename, first download the separate files database. This database maps filenames to the packages that contain them.

```bash
pacman -Fy
```

--------------------------------

### Download Files from Cloud Storage with rclone

Source: https://www.system-rescue.org/manual/Network_configuration_and_programs

Use this command to download a file or directory from a remote cloud storage location to your local system. Specify the remote source path, the remote name, and the local target path.

```bash
rclone copy <remote name>:sourcefile /local/targetpath
```

--------------------------------

### Upload Files to Cloud Storage with rclone

Source: https://www.system-rescue.org/manual/Network_configuration_and_programs

Use this command to upload a file or directory from your local system to a remote cloud storage location. Specify the local path, the remote name, and the destination path on the remote server.

```bash
rclone copy /local/path  <remote name>:destpath
```

--------------------------------

### Unmount and Reboot Commands

Source: https://www.system-rescue.org/manual/Backup_data_from_an_unbootable_windows_computer

Use these commands to unmount the Windows partition and reboot the computer after data backup is complete.

```bash
umount /mnt/windows
reboot

```

--------------------------------

### Local file copy with rsync

Source: https://www.system-rescue.org/manual/Backup_and_transfer_your_data_using_rsync

Use this command to copy files locally while preserving attributes, ACLs, and hard links. The --progress option shows transfer status.

```bash
rsync --archive --xattrs --acls --hard-links --progress --compress \
      /home/mydir/data/ /backups/data-20080810/
```

--------------------------------

### Configure Syslinux for Serial Console

Source: https://www.system-rescue.org/manual/Booting_on_a_serial_console

Sets the serial port and baud rate for Syslinux. This is a simple configuration line to enable serial output.

```syslinux
SERIAL 0 115200
```

--------------------------------

### List Remote Cloud Storage Contents with rclone

Source: https://www.system-rescue.org/manual/Network_configuration_and_programs

After configuring a remote service, use this command to list the contents of the specified remote storage. Replace `<remote name>` with the name assigned during configuration.

```bash
rclone ls <remote name>:
```

--------------------------------

### View Floppy Content with VCHE

Source: https://www.system-rescue.org/manual/Secure_Deletion_of_Data

Use `vche-raw` to view the raw content of a device, such as a floppy disk, to verify data.

```bash
vche-raw /dev/fd0
```

--------------------------------

### Configure Timezone

Source: https://www.system-rescue.org/manual/Configuring_SystemRescue_sysconfig

Set the system's timezone using a name from the IANA Time Zone Database. Defaults to 'UTC'.

```yaml
    timezone: "Europe/Berlin"
```

--------------------------------

### GRUB4DOS BCDedit Commands for Windows

Source: https://www.system-rescue.org/manual/Installing_SystemRescue_on_the_disk

Commands to add a GRUB4DOS boot entry for SystemRescue to the Windows Boot Configuration Data (BCD). Ensure you have administrator privileges.

```powershell
C:> bcdedit /create /d "SystemRescue [GRUB4DOS]" /application bootsector

```

```powershell
C:> bcdedit /set {id} device boot

```

```powershell
C:> bcdedit /set {id} path \grldr.mbr

```

```powershell
C:> bcdedit /displayorder {id} /addlast

```

--------------------------------

### Remote backup push with rsync daemon

Source: https://www.system-rescue.org/manual/Backup_and_transfer_your_data_using_rsync

Push a local directory to a remote host using the rsync daemon. This command preserves attributes, ACLs, and hard links.

```bash
rsync -aXAHz --progress /home/mydata/ example.com::mybackups/data-20080810/
```

--------------------------------

### Configure Autoterminal for Virtual Terminals

Source: https://www.system-rescue.org/manual/autoterminal_scripts_on_virtual_terminal

Define which commands to run on specific virtual terminals. Ensure parameters with spaces or quotes are properly escaped.

```yaml
---
autoterminal:
    tty2: "/usr/bin/setkmap"
    tty3: "/root/myscript \"parameter one\""
    tty4: "/usr/bin/tmux"
    tty8: "/usr/bin/journalctl -f"

```

--------------------------------

### Obtain Dynamic IP Address via DHCP

Source: https://www.system-rescue.org/manual/Backup_data_from_an_unbootable_windows_computer

Requests and configures an IP address for the specified network interface using DHCP. This is a common method for automatic network configuration.

```bash
dhclient eth0
```

--------------------------------

### Mount Windows Share with CIFS

Source: https://www.system-rescue.org/manual/Network_configuration_and_programs

Access shared folders on a Windows computer using the mount-cifs command. Ensure the target directory exists and provide valid username and password credentials.

```bash
mkdir /mnt/windows
mount -t cifs //192.168.10.3/mydata /mnt/windows -o username=robert,password=passwd
cd /mnt/windows
```

--------------------------------

### Configure SSH Known Hosts

Source: https://www.system-rescue.org/manual/Configuring_SystemRescue_sysconfig

Add SSH host keys to the `known_hosts` file to prevent man-in-the-middle attacks. Supports specific host entries and wildcard entries with certificate authorities.

```yaml
    ssh_known_hosts:
        myhost.example.org: "ssh-ed25519 AAAAC3NzaC1l...JJTO48B"
        "@cert-authority *.mydomain.org": "ssh-rsa AAAAB3NzaC1y...Zhk0="
```
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