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Browsing Posts in Hardware

Writing down the username and password for the vivacom ADSL router, in case I need it again. user: root pass: warmWLspot Useful to telnet and then reboot. Originally found at Neo2SHYAlien blog. And here I found passwords for other models, just in case. ZTE ZXDSL 832 username: root password: GSrootaccess ZTE ZXDSL 831 username: […]

I struggled for a week having udev (on CentOS 6.3) do all kinds of silly things with the interfaces names on a server with 4 onboard 1G interfaces, an 2 dual port Mellanox ConnectX-3 cards. The short story is that udev was trying to preserve the names of the interfaces to be consistently numbered starting […]

I’ve been struggling with a wireless SBG900 for a couple of hours now. The interface looks fine (as far as wireless router interfaces go) and I had the simple setting up WPA security on this router. The higher security setting was supposed to replace the current no password + MAC restriction setup. The bottom line […]

My brand new pair of disks in a setup that would otherwise work perfectly fine, decided to keep giving me headache. There are only two disks in the machine, partitioned in three, with the first two pairs of partitions in a RAID1 array. And every now and then one of the disks would disappear from […]

Tools required openocd tftp-hpa cross compiler Cross-compiler: cd customrepo mkdir cross-armv5tel-softfloat-linux-gnueabi ln -s ../gentoo/sys-devel/{gcc,binutils} cross-armv5tel-softfloat-linux-gnueabi sudo cave resolve cross-armv5tel-softfloat-linux-gnueabi/gcc Updating u-boot: There are several repositories, but the official one is this one: The maintainer of the official one actually recommends using the repos for each architecture, in the case of the SheevaPlug that would […]

I have a pretty simple mythtv box. It boots over PXE and the root partition is read-only exported over NFS. After bumping the kernel on the server that hosts the NFS to 2.6.34 my mythbox no longer wanted to boot. It was hanging right after managing to look up the mountd port on the NFS […]

The built-in SD card reader on my Thinkpad x60 has been always giving me headaches. It works reliably well, but when copying files my system becomes very unresponsive. The mouse is jerky and the CPU usage jumps through the roof. Obviously, DMA is not being used. I couldn’t find much about it for a while […]

I just got a brand new Microsoft Natural Ergonomic Keyboard 4000. The keyboard is great, but its left Alt key is a bit too small a bit too much to the side and very hard to reach with my thumb. Japanese keyboards have three extra keys around the space bar, keys that I never use, […]

A few common problems when setting up a stateful firewall to allow FTP traffic. FTP needs a separate data connection for transferring files or file listings. It has two modes of operation passive The clients request the server to listen for a connection. The server responds with the address and port where it is listening […]

The modules needed for properly setting up lm-sensors on my Tyan motherboard are: i2c-nforce2 lm85 k8temp And the lowest version of lm-sensors with support for k8temp is 2.10.1. I am still at a loss about reading the output, though. # sensors lm85-i2c-0-2d Adapter: SMBus nForce2 adapter at 2d00 V1.5: +1.81 V (min = +0.00 V, […]