View memory brand, manufacturer & serial number in Linux

Very simply. sudo dmidecode –type 17 This gives the following output: # dmidecode 2.9 SMBIOS 2.4 present. Handle 0x1100, DMI type 17, 27 bytes Memory Device Array Handle: 0x1000 Error Information Handle: Not Provided Total Width: 64 bits Data Width: 64 bits Size: 2048 MB Form Factor: DIMM Set: None Locator: DIMM_A Bank Locator: Not […]

Yakuake for Gnome

I have previously written about Tilda, a gnome replacement for Yakuake. I had some issues with Tilda so I came to have a nice relationship with Yakauke. It’s important to note though, that there is another reasonable alternative to both Tilda and Yakuake and it’s called Guake. Guake has some of the basic features of […]

Bash command to determine multiple logins sorted by user with the most logins

Here ’tis w | awk ‘{a[$1]++}END{for(i in a){print a[i] ” ” i}}’ | sort -rn | head stumbled on this issue with a HP-UX server we run where the maxusers kernel paramater is set to 600 (512 by default). To change this setting, requires a reboot of the server (something not easily achievable at midday […]

How to schedule Linux to mute speaker volume overnight

Here’s a simple method of automatically muting your volume overnight and resetting it in the morning. This is especially good for those who use softphones, skype or an IM client that have sound alerts output to speakers. We are going to use three command line tools for this: aumix, which and cron. We are also […]