Disks consist of the following: 1. Tracks – concentric rings on each platter 2. Cylinders – groups of tracks 3. Sectors/Blocks – 512 byte blocks ### Disk Partitions ### Note: Partitions within Solaris are AKA slices x86 PCs are limited to 4 FDISK primary partitions Note: Solaris requieres 1 FDISK partition for its use DISK… Leer más »
Hurrican Watch, Huracan http://www.stormpulse.com/
Fotos
http://www.hpc.ncep.noaa.gov/tropical/ Gilbert: http://www.hpc.ncep.noaa.gov/tropical/rain/gilbert1988.html Isidore: http://www.hpc.ncep.noaa.gov/tropical/rain/isidore2002.html
Devices are referenced in 3 ways. 1. Physical – /devices subject to change: [ssybl1:/devices]# ls -ltr total 20 drwxr-xr-x 3 root sys 512 Aug 22 13:16 pci@780 drwxr-xr-x 3 root sys 512 Aug 22 13:16 pci@7c0 drwxr-xr-x 2 root sys 512 Aug 22 13:16 iscsi drwxr-xr-x 2 root sys 512 Aug 22 13:16 options drwxr-xr-x… Leer más »
SSH /etc/ssh/sshd_config If you’re running Sun’s bundled SSH then ensure these options are available in the configuration file of the sshd daemon: AllowTcpForwarding yes GatewayPorts yes X11Forwarding yes X11DisplayOffset 10 PAMAuthenticationViaKBDInt yes PasswordAuthentication yes
In computing, an inode is a data structure on a traditional Unix-style file system such as UFS. An inode stores basic information about a regular file, directory, or other file system object. The term inode usually refers to inodes on block devices that manage regular files, directories, and possibly symbolic links. The concept is particularly… Leer más »
### SMYLINKS / SOFT ### Note: Symlinks may traverse file systems & point to directories Softlinks ln -s source(file/directory) target (any directory) Note: use ls -Ll symlink_name to reveal symlink’s TRUE permissions Note: symlinks are created with 777 permissions The target exits or you dont have permissions use: ln -fs /curl* curl ### HARDLINKS ###… Leer más »
chgrp – change file group ownership # which /usr/bin/chgrp /usr/bin/chgrp ### SETUID / SETGID ### – Sets the effective user/group ID ### chmod 644 filename chmod 0644 filename SETUID – 4 SETGID – 2 chmod 4660 filename.txt -rwSrw—- filename.txt ( note the S ) ### Security Breach Warning ### SETUID run as the owner of… Leer más »
Permissions hard_links owner group_owner size Month day MTime name -r-xr-xr-x 1 root bin 10196 Jan 22 2005 time Permissions – represented by 10 bits: 0 bit = file type ( – file, d directory, b block, l symbolic link, p named pipe, s socket ) Note: remaining 9 bits are grouped into 3 groups 123… Leer más »