Archivo de la categoría: Nix

hot-add CPU and memory to Ubuntu guest in VMware

Virtualization has made our lives easier. We can spin up new resources for applications, dynamically add more disk space, migrate them, etc. In vSphere, we can dynamically add additional memory and vCPU to a guest VM without any downtime (assuming its been enabled prior to powering on). Now in Ubuntu 12.04, I had two production… Leer más »

https://blogs.ncl.ac.uk/cs-history/2019/09/ It’s ages since I made an entry in the Blog, so I’m adding a little one (and 7 pics!) to remind you that it exists. Another, more important entry, is currently in preparation, describing the marvellous success of our Official Inauguration on the 13th June. (Frantic catching-up on other things, on the parts of… Leer más »

Categoría: Nix

security

https://www.offensive-security.com/about-us/ Cellebrite

WinWorld from the past, to the present, for the future

https://winworldpc.com/library/operating-systems WinWorld from the past, to the present, for the future WinWorld is an online museum dedicated to the preservation and sharing of vintage, abandoned, and pre-release software. We offer information, media and downloads for a wide variety of computers and operating systems. Our entire library is free, open and available to everyone. Whether you’re looking… Leer más »

Categoría: Nix

iotop solaris 11

Works only in Global Zone https://github.com/SynetoNet/solaris-utils/blob/master/performance/tools/io/iotop ./iotop -C -D -j -o -P -Z

memstat

echo «::memstat» | mdb -k Page Summary Pages Bytes %Tot —————————- —————- —————- —- Kernel 2356318 17.9G 8% Defdump prealloc 375179 2.8G 1% ZFS 602721 4.5G 2% Anon 5160416 39.3G 18% Exec and libs 7942 62.0M 0% Page cache 19943103 152.1G 69% Free (cachelist) 82585 645.1M 0% Free (freelist) 569720 4.3G 2% Total 29097984 222G… Leer más »

Checking Your Ubuntu Version From the Terminal

Step 1: Open the terminal. Step 2: Enter the lsb_release -a command. Step 1: Open “System Settings” from the desktop main menu in Unity. Step 2: Click on the “Details” icon under “System.” Step 3: See version information.