For Setting up a Sun Solaris Server to receive its IP address from a DHCP Server is fairly straight forward and is infact just a matter of setting up files on your Solaris Server. Ensure that every interface that is up and connects to a network has a file /etc/hostname.interface file created say /etc/hostname.bmce0 where […]
How to setup DHCP client in Sun Solaris 10 Read More »
You have a bunch of /dev/rdsk and /dev/dsk entries. Have you run format w/ partition to create a partition on each volume yet? A couple things to remember when doing this (I’m not sure if this is always required, but it’s something I’ve always done on Solaris ASM configurations): 1. Use slice 6 with type
Solaris 10 and Oracle 10g RAC ASM Device NOT seen Read More »
A frequent source of grief for the UNIX administrator is the management of shared disk space. Users all too often consume all available disk space, thus precipitating errors for everyone using that filesystem. Unfriendly users can disrupt other users’ work by deliberately filling a shared filesystem with one or more large files. Disk quotas can
Solaris Filesystem Quotas Read More »
Solaris is shipped with appropriate permissions assigned to device files such as disk drives, tape drives, and memory. These permissions are discussed here. A word should be said for Sun’s method of indirect references to commonly used devices. For instance, typical disk devices are referenced by SCSI controller and device number, such as /dev/dsk/c0t3d0s0 This
Solaris System Device Access Permissions Read More »
The UNIX administrator needs to know how to find files with specific security settings. Here are a few examples of the find command. 1. Find all SetUID files in and under the current working directory (.). % find . -type f -perm -4000 -print 2. Find all SetGID files in and under the current working
How to Find Files with Specific Permission Settings in unix ? Read More »
Ksh and umask -S The Korn shell has a nice feature with its built-in umask command. The -S option is used to symbolically—rather than numerically—display the user’s umask. For example% sh% umask0027% ksh% umask0027% umask -Su=rwx,g=rx,o=% Default File Permissions and umask Permissions for files that are created with commands such as vi, cp, or touch
umask configration in unix Read More »
The umask is a value that determines the default permission settings assigned when new files and directories are created.Each UNIX system has a default umask value; each user can change his or her own umask value (and usually does so at login time in a .cshrc, .login, or .profile file); each process can also examine
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RAID: That it is; What it does …………………………………………………………. RAID: The Details ………………………………………………………………………. RAID Type: Concatenation ……………………………………………………… RAID Type: Striping (RAID-0) ………………………………………………… RAID Type: Mirroring (RAID-1) ………………………………………………. RAID Type: Stripping plus Mirroring (RAID-0+1) ………………………….. RAID Type: RAID-5 (Striping with Parity) …………………………………… RAID Comparison: RAID0+1 vs RAID5 ……………………………………… RAID History: The Lost Brothers ……………………………………………………… RAID: That it
When a new user account is created with SAM or useradd, default configuration files are copied from the /etc/skel directory to the new user’s home. Several files are included in /etc/skel by default: /etc/skel/.profile # ksh/posix local login script /etc/skel/.login # csh
The /etc/skel Directory Read More »
Well environment variables used to customize a user’s login environment can be defined from the command line, they are more commonly defined by several scripts that execute during the login process. Typically, three scripts execute during the login process to initialize the user’s environment. The first is a system-wide script maintained by the system administrator
What Happens When a User Logs In? Read More »