Archivo de la categoría: Nix

Sharing directories with NFS in Solaris 10

Sharing directories with NFS in Solaris 10 You want to share a directory in Solaris, may be, the home of the users, or a directory with binaries. With svcs the service status can be checked, so lets check the status of the nfs server: -bash-3.00# svcs network/nfs/server STATE STIME FMRI offline 2:19:03 svc:/network/nfs/server:default The service… Leer más »

Remotely Sleep a Mac with SSH

Comando: pmset sleepnow Use Terminal and SSH to the target Mac, be sure to specify the appropriate user name and IP address: ssh [email protected] Once logged in, type the following command: osascript -e ‘tell application «System Events» to sleep’ There is no warning or hesitation, the target Mac immediately goes to sleep and the SSH… Leer más »

Using lsof utility

lsof is one of the little known but very powerfull utility in Linux. Man pages basically says that lsof: list open files. But you can use it for managing and tracking network connections, you can list open ports, identify connections currently being made to your system, and determine what resources a process is using. Not… Leer más »

FIO Perf Tool Nutshell

FIO is an I/O tool meant to be used both for benchmark and stress/hardware verification. It has support for 13 different types of I/O engines (sync, mmap, libaio, posixaio, SG v3, splice, null, network, syslet, guasi, solarisaio, and more), I/O priorities (for newer Linux kernels), rate I/O, forked or threaded jobs, and much more. It… Leer más »

how to install java centos

This is guide, howto Install Sun/Oracle Java JDK and JRE 7 update 40 (7u40) on Fedora 19/18/17/16/15/14/13/12, CentOS 6.4/6.3/6.2/6.1/6/5.9, Red Hat (RHEL) 6.4/6.3/6.2/6.1/6/5.9. If you’re looking instruction for Sun/Oracle Java JDK/JRE version 6 installation on Fedora 19/18, CentOS/Red Hat (RHEL) 6.4/5.9, please check this guide. What’s new in Sun/Oracle Java 7 VM Compressed 64-bit object… Leer más »

WHEN TO (AND NOT TO) USE RAID-Z

WHEN TO (AND NOT TO) USE RAID-Z By user13278091 on mai 31, 2006 WHEN TO (AND NOT TO) USE RAID-Z RAID-Z is the technology used by ZFS to implement a data-protection scheme which is less costly than mirroring in terms of block overhead. Here, I’d like to go over, from a theoretical standpoint, the performance… Leer más »