I find the rtl8192cu wireless adapter driver on CentOS 7 is quite unstable. After running a while, the connection will disappear. How to make it stable? There is a bug in some hardware where the device never wakes back up. You may try disabling the power management by putting a file 8192cu-disable-power-management.conf under /etc/modprobe.d/: #…
How to install driver for TP-LINK T2U wifi adapter on Linux? I am using Fedora Linux 22. The kernel module for the driver for TP-LINK T2U is “mt7650u_sta”. TP-LINK and mediatek provide drivers (mediatek one is for 7610u). But neither work for Fedora 22 AFAIK. This piece of modified driver work for me on Fedora…
How to configure Linux to use the scanner (not only the printer) in an HP all-in-one printer? The OS is Fedora 22 and the connection between the HP all-in-one printer and the PC is through wireless. The printer is working well. You can check this post for configuring the printer and scanner of HP All-In-One…
How to find a wireless adapter‘s speed in Linux? ethtool does not show the speed of the wireless adapters. For finding the configured speed of wireless adpaters in Linux, you can use the iwconfig tool. iwconfig: configure a wireless network interface For example, to find the speed of the wireless adapter wlp8s0: # iwconfig wlp8s0…
The host os is connected into network by wireless one so how to let its guest os connect network. Take [1] as a reference. I run it successfully with following steps. 1, create /etc/qemu-ifup script and chmod it. 2, start a qemu guest os with command sudo ./qemu/qemu-system-x86_64 -enable-kvm -m 1024 -drive file=marss_dram.qcow2 -vnc 127.0.0.1:0…
How to install the wireless driver in Linux Mint for HP Mini 110 Netbook? The bcmwl-kernel-source for Broadcom Linux STA driver works. You may need to connect the network first by the LAN cable or another wireless adapter. Open Control center -> System, Driver Management. After a while, it will ask you to select the…
How to debug/check network-related driver information on Linux? Several commands/tools that you may find usefull: Messages: dmesg grep NetworkManager /var/log/messages lshw: list hardware lshw -c network lsusb: list USB devices lsusb rfkill: enabling and disabling wireless devices rfkill unblock all rfkill event iwconfig: configure a wireless network interface iwconfig ifconfig: configure a network interface ifconfig
I had a TP-Link TL-WN725N v2 USB wireless adapter. But it seems the kernels in Fedora 19 have not yet included drivers for it. How to install drivers for TL-WN725N v2 on Fedora 19? The driver is under development. You can find the source here and in the drivers/staging in the Linux kernel. If you…
iPhone has the touch screen. Is is possible to turn my iPhone to a wireless mouse on Linux? Use the WiFi Mouse app/server: http://wifimouse.necta.us/ First, install the WiFi Mouse app on you iPhone: https://itunes.apple.com/app/id591076411?mt=8 Second, install the WiFi Mouse server downloaded from http://wifimouse.necta.us/ If you are using Fedora Linux, you need to convert the .deb…
The socks proxy I created following Proxy Using SSH Tunnel works very well on both Linux and Windows. However, when I try to configure my iPhone and iPad with iOS, I find iOS does not support socks proxy in its settings interface. I don’t know why it is not added while socks proxy is indeed…
The new development of Xen and Linux kernel make it easy to install Xen on Fedora as the Domain-0 now. This post uses Fedora 17 as an example platform to introduce how to set up Domain-0 on Fedora Linux. Compared to our old method (https://www.systutorials.com/setting-up-stable-xen-dom0-with-fedora-xen-3-4-3-with-xenified-linux-kernel-2-6-32-13-in-fedora-12/) which requires manually compiled Xen and patched kernel, the current…
I get wireless, 3G and 2G network connection via my iPhone. I tested the network speed of a wireless, 3G and 2G network possible from my iPhone using the App from OFCA. Wifi of sMobileNet network in HKUST: 25604 kbps: 3G network from a carrier in Hong Kong: 2776 kbps: 2G network from a carrier…
How to configure NetworkManager to connect to sMobileNet in HKUST is introduced in this post. The wireless network connection configuration for sMobileNet in NetworkManager The SSID is “sMobileNet” Wireless security is “WPA & WPA2 Enterprise” Authentication is “Protected EAP (PEAP)” Anonymous identity is “” (empty) CA certificate is “(None)” (there will be a warning appear,…
This post lists important conferences related to Cloud Computing in year 2013. SOSP 2013 SOSP’13: The 24th ACM Symposium on Operating Systems Principles. November 3-6, 2013, Nemacolin Woodlands Resort, Pennsylvania. The biennial ACM Symposium on Operating Systems Principles is the world’s premier forum for researchers, developers, programmers, and teachers of computer systems technology. Academic and…