How to use wpa_cli command
wpa_cli is included in the wpa_supplicant package. It checks status and changes configuration, including trigger events and passphrases for wireless connections.
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394 notes on Linux, tools and troubleshooting
Anti-spam appliances
Anti-spam appliances are hardware devices containing software to manage and fight email spam. They can serve as a mail server gateway or sit in front of the mail server.
Set up your Linux for Wake On LAN (WOL)
Wake on LAN starts a server through a network command from another machine. Configure both the server receiving the wake command and the client sending it.
Improve mouse tracking in a Virtual Machine Manager (virt-manager)
Incorrect mouse movement in a Linux virtual machine can be fixed in two ways: switch from the VNC console to an SDL console, although SDL in virt-manager…
Regenerate a GRUB device.map file
device.map maps hard disk devices to GRUB device names and is created during operating system installation. Recreate it if it is missing.
Configure VLAN devices over a bond interface
Linux supports VLAN networking through the 8021q driver. This example combines channel bonding and VLAN configuration.
Bridge multiple network interfaces to guest OS
Create /etc/xen/scripts/network-xen-custom with #vi /etc/xen/scripts/network-xen-custom. Copy the script below into /etc/xen/scripts/network-xen-custom. #!/bin/sh # network…
How many of swap space for Linux system
Many people wonder how much swap to create during installation. The usual rule is at least twice the RAM, but if the system has a lot of RAM, is twice as much really necessary…
Add Thai Fonts to Linux
Some Linux versions display Thai vowels in the wrong positions because they lack fonts that render Thai correctly. There are several ways to fix this…