On 2023-06-12 at 16:45, Bret Busby wrote: > On 13/6/23 04:30, The Wanderer wrote: > >> On 2023-06-12 at 16:06, Mick Ab wrote: >> >>> I wish to obtain information about the RAM installed on my PC using the >>> command line. The information needed is :- >>> >>> Total RAM stored >>> Number of sticks used and amount of RAM on each stick >>> Type of RAM e.g. DDR4 >>> Speed of RAM e.g. 3200 MHz >>> Manufacturer and model number of RAM >>> >>> I have seen the dmidecode command being used, but the reliability of the >>> information returned is not reliable. >>> >>> Is there any command that will reliably give the required RAM information ? >> >> There are probably multiple ways to get it, but the first one that comes >> to my mind involves the 'hwinfo' command, from the package of the same >> name. >> >> I don't remember exactly how I invoked it, but I have a historical trail >> of files listing the hardware specifications of my last few machines as >> they've changed over time, each generated from the output of that >> command. >> >> >> If I search the latest such file for "DIMM", I see two entries, each for >> a different DIMM (i.e., "RAM stick"), each with multiple data items. The >> fact that there are two of them gives you the "number of sticks used" >> you asked for. >> >> Those entries are sub-entries of a larger entry called "memory", which >> has a data item called "size", which is the "total RAM" you asked for. >> >> One of the data items in each sub-entry is "product", which appears as >> if it might be the "model number" you asked for. (It certainly looks >> like a model number, anyway.) >> >> Another is "vendor", which appears to be the "manufacturer" you asked >> for. >> >> Another is "size", which gives you the "amount of RAM on each stick" you >> asked for. >> >> Another is "clock", which is the "speed of RAM" you asked for. >> >> Another is "description", which at least in my case specifies (as part >> of what appears to be a freeform string) that the DIMMs I'm looking at >> are DDR4. I don't see that information specified anywhere else in the >> listing. > > From the above, whilst this computer is running Linux Mint Mate 21.1, > which is based (?) on Ubuntu 22.04 ("jammy"), rather than Debian, I > expect that the same will apply for Debian;
> Tue Jun 13 04:33:23 bret@bret-Precision-Tower-5810:~$hwinfo > and, in the output (lots of it - it outputs alot of details), is > > " > P: /devices/virtual/dmi/id > L: 0 > E: DEVPATH=/devices/virtual/dmi/id > E: SUBSYSTEM=dmi > E: > MODALIAS=dmi:bvnDellInc.:bvrA34:bd10/19/2020:br65.34:svnDellInc.:pnPrecisionTower5810:pvr:rvnDellInc.:rn0K240Y:rvrA02:cvnDellInc.:ct7:cvr:sku0617: > E: USEC_INITIALIZED=2533353 > E: ID_VENDOR=Dell Inc. > E: ID_MODEL=Precision Tower 5810 > E: MEMORY_ARRAY_LOCATION=System Board Or Motherboard > E: MEMORY_ARRAY_EC_TYPE=Multi-bit ECC > E: MEMORY_ARRAY_MAX_CAPACITY=137438953472 <snip lots of et-cetera> I have to apologize; I completely misremembered the name of the program that I was referencing, probably because of the filenames I store its output under. hwinfo is absolutely not it. I would not consider output such as you presented to be appropriately readable for human consumption. Rather, I got the records I'm looking at from the program 'lshw'. -- The Wanderer The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. -- George Bernard Shaw