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chore(openmediavault): add notes about other features
This commit is contained in:
Michele Cereda
@@ -79,10 +79,11 @@ find . -type f | parallel --group --jobs 0 -d '\n' clamscan {}
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- [Codebase]
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- [Documentation]
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- [Gentoo Wiki]
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- [On-Access Scanning]
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### Sources
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- [Install ClamAV on Fedora Linux 35]
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- [Install ClamAV on Fedora Linux]
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<!--
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Reference
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@@ -93,10 +94,11 @@ find . -type f | parallel --group --jobs 0 -d '\n' clamscan {}
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<!-- Knowledge base -->
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<!-- Files -->
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<!-- Upstream -->
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[codebase]: https://github.com/Cisco-Talos/clamav
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[documentation]: https://docs.clamav.net/
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[website]: https://www.clamav.net/
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[Codebase]: https://github.com/Cisco-Talos/clamav
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[Documentation]: https://docs.clamav.net/
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[On-Access Scanning]: https://docs.clamav.net/manual/OnAccess.html
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[Website]: https://www.clamav.net/
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<!-- Others -->
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[gentoo wiki]: https://wiki.gentoo.org/wiki/ClamAV
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[install clamav on fedora linux 35]: https://www.linuxcapable.com/how-to-install-clamav-on-fedora-35/
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[Gentoo Wiki]: https://wiki.gentoo.org/wiki/ClamAV
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[Install ClamAV on Fedora Linux]: https://linuxcapable.com/install-clamav-on-fedora-linux/
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123
knowledge base/linux/bond network interfaces.md
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123
knowledge base/linux/bond network interfaces.md
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@@ -0,0 +1,123 @@
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# Bond network interfaces
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Combines multiple network interfaces into a single logical interface.<br/>
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Provides benefits such as increased bandwidth, redundancy, and load balancing.
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1. [TL;DR](#tldr)
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1. [Bonding modes](#bonding-modes)
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1. [Configuration](#configuration)
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1. [Further readings](#further-readings)
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1. [Sources](#sources)
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## TL;DR
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Linux bonding is implemented through the `bonding` kernel module.<br/>
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It implements several [bonding modes], each with its own characteristics and use cases.
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If one's switches support LACP, prefer using mode 4 (802.3ad) for compatibility and optimal performance.<br/>
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LACP allows the Linux system and the switch to negotiate the link aggregation settings automatically.
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<!-- Uncomment if used
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<details>
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<summary>Setup</summary>
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```sh
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```
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</details>
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-->
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<details>
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<summary>Usage</summary>
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```sh
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# Check the status of the bonding interface.
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cat '/proc/net/bonding/bond0'
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# Test the redundancy of the bonding interface.
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# Simulates a failure of one of the slave interfaces.
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ifconfig 'eth0' down; sleep 30s; ifconfig 'eth0' up
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```
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</details>
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<!-- Uncomment if used
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<details>
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<summary>Real world use cases</summary>
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```sh
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```
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</details>
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-->
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## Bonding modes
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| ID | Mode name | Summary | Use cases |
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| --- | ------------------------------------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------- |
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| 0 | Round Robin | Sends packets out sequentially on each available slave interface.<br/>Provides load balancing across all used interfaces and increases the overall bandwidth. | Environments where bandwidth aggregation is the primary goal and all connected switches support load balancing |
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| 1 | Active-Backup | Only one slave interface is active at a time. If the active interface fails, the driver automatically switches to one of the backup interfaces. | Scenarios where redundancy is crucial, such as in mission-critical applications |
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| 2 | XOR | The driver uses a hash function to determine which slave interface to send a packet on. The hash is based on the source and destination MAC addresses. | Networks where the traffic patterns are relatively stable, and the same source-destination pairs are likely to be used frequently |
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| 3 | Broadcast | All packets are sent out on all slave interfaces. Provides high redundancy, but consumes a lot of network resources. | |
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| 4 | 802.3ad, Link Aggregation Control Protocol | Requires support from the connected switches. Creates a link aggregation group (LAG) between the Linux system and the switch. Provides both load balancing and redundancy. | Environments where high bandwidth and reliability are required |
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| 5 | Balance-TLB | Dynamically distributes **outgoing** traffic to the interface with the least load. | Environments where the traffic distribution is uneven and load balancing is required |
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| 6 | Balance-ALB | Distributes both outgoing and incoming traffic across all slave interfaces | Networks where both high bandwidth and load balancing are required |
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## Configuration
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1. Load the `bonding` module:
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```sh
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modprobe 'bonding'
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```
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1. Create a bonding interface.
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Add a configuration file in the `/etc/sysctl.d/` directory:
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```conf
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# /etc/sysctl.d/bond0.conf
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# miimon: interval (in milliseconds) at which the bonding driver checks the link status of the slave interfaces
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bonding.modes=mode=6 miimon=100
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```
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1. Add the slave interfaces:
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```conf
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# /etc/network/interfaces
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auto bond0
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iface bond0 inet static
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address <ip_address>
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netmask <netmask>
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gateway <gateway>
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bond-mode <mode_number>
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bond-miimon 100
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bond-slaves eth0 eth1
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```
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1. Restart the network service:
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```sh
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sudo systemctl restart networking
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```
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## Further readings
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### Sources
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- [Understanding Linux Bonding Modes]
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<!--
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Reference
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═╬═Time══
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-->
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<!-- In-article sections -->
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[Bonding modes]: #bonding-modes
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<!-- Knowledge base -->
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<!-- Files -->
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<!-- Upstream -->
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<!-- Others -->
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[Understanding Linux Bonding Modes]: https://linuxvox.com/blog/linux-bonding-modes/
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@@ -25,23 +25,31 @@ Default web UI login is `admin`:`openmediavault`.
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```sh
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# Make users OMV administrators.
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gpasswd -a 'me' 'openmediavault-admin'
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usermod -aG 'openmediavault-admin' 'me'
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gpasswd -a 'me' 'openmediavault-admin'
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adduser 'me' 'openmediavault-admin'
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# Allow users to connect via SSH.
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usermod -aG '_ssh' 'me'
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gpasswd -a 'me' '_ssh'
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adduser 'me' '_ssh'
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# Revoke WebUI access from the 'admin' user.
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gpasswd -d 'admin' 'openmediavault-admin'
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deluser 'admin' 'openmediavault-admin'
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# Install plugins from the CLI.
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apt install 'openmediavault-clamav'
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apt install 'openmediavault-clamav' … 'openmediavault-nut'
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# Install OMV-Extras.
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wget -O - 'https://github.com/OpenMediaVault-Plugin-Developers/packages/raw/master/install' | bash
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# Disable the kernel's backports sources.
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mv -v \
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'/etc/apt/sources.list.d/openmediavault-kernel-backports.list' \
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'/etc/apt/sources.list.d/openmediavault-kernel-backports.list.disabled'
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# Use ZFS.
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# Requires OMV-Extras.
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apt install 'openmediavault-kernel'
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# Install the Proxmox kernel and reboot
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apt install 'openmediavault-zfs'
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zpool import -a
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# Upgrade packages.
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sudo omv-upgrade
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@@ -197,7 +205,8 @@ From the CLI, as the `root` user:
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1. Install the `openmediavault-clamav` plugin.
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1. Enable the service under _Services_ > _Antivirus_ > _Settings_.
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1. Apply pending changes.
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1. Apply pending changes.<br/>
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The first run will take a long time.
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## UPS
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