Activar el servidor ftp en Mac OS X Montain Lion
Activarlo sudo -s launchctl load -w /System/Library/LaunchDaemons/ftp.plist Desactivarlo sudo -s launchctl unload -w /System/Library/LaunchDaemons/ftp.plist
Archivo de la categoría: Nix
Increase the XBMC Buffer Cache:
The cachemembuffersize in XBMC is the amount of bytes of memory used for buffering ahead in videos. They do warn, however, that XBMC will consume three times the amount of RAM than what is specified for this setting. So the default 5242880 bytes (= 5MB) is on the low side to ensure they don’t stress out… Leer más: Increase the XBMC Buffer Cache: »
cp unix preserve permissions and timestamp
cp -p (preserve permissions) Causes cp to preserve in the copy as many of the modification time, access time, file mode, user ID, and group ID as allowed by permissions.
logs messages
/var/adm/messages
build a private cloud in your garage
http://blog.rightscale.com/2012/03/28/build-a-private-cloud-in-your-garage/
how to know whether particular port number is free or not
monitorear puertos unix netstat -an | grep (port) | grep -i listen
Los 8 Mejores Repositorios de Cydia para iPad y iPad2
http://cydia.hackulo.us/ http://apt.macosmovil.com/ http://cydia.xsellize.com/ http://iphoneame.com/repo/ http://repo.insanelyi.com/ http://sinfuliphonerepo.com/ http://ihackstore.com/repo http://repo.clubifone.com/ http://repovip.com/ http://h7v.org
Finding busy disks with iostat
The iostat(1M) utility provides several I/O statistics, which can be useful for analyzing I/O workloads and troubleshooting performance problems. When reviewing I/O problems, I usually start by reviewing the number of reads and writes to a device, which are available in iostat’s “r/s” and “w/s” columns: $ iostat -zxnM 5 extended device statistics r/s w/s… Leer más: Finding busy disks with iostat »
Securing OpenSSH
Securing OpenSSH Contents Use Strong Passwords/Usernames Disable Root Logins Limit User Logins Disable Protocol 1 Use a Non-Standard Port Filter SSH at the Firewall Use Public/Private Keys for Authentication Frequently Asked Question (FAQ) Links OpenSSH (or Secure SHell) has become a de facto standard for remote access replacing the telnet protocol. SSH has made protocols… Leer más: Securing OpenSSH »
geekbench
RESUMEN Name Processor Frequency Cores Platform Architecture Bits Score SUNW,Sun-Fire-880 UltraSPARC-III+ 900 Mhz 8 Solaris SPARC 64 2541 SUNW,Sun-Fire-V890 UltraSPARC-IV+ 1800 Mhz 16 Solaris SPARC 64 8556 iPhone 5 Apple A6 1300 2 iOS ARM 32 1660 Sun Ultra 45 Workstation UltraSPARC-IIIi 1600 Mhz 1 Solaris SPARC 64 1071 … Leer más: geekbench »