... Apache HTTP Server Version 2.2 . ... How Apache Starts . ... If the Listen specified in the configuration file is default of 80 (or any other port below 1024), then it is necessary to have root privileges in order to start apache, so that it can bind to this privileged port. ... The recommended method of invoking the httpd executable is to use the apachectl control script. ... Trying to start the server when there is another instance of Apache or some other web server already bound to the same Port....

. To restart a foreground process that you have suspended use the fg command. This command is not available if you are using the Bourne shell. For example: lpr -Pps23 bigfile.ps ..... ^Z Stopped date Thu Feb 18 16:11:05 GMT 1993 fg lpr -Pps23 bigfile.ps . This starts a process in the foreground and suspends it. The user then checks the date and restarts the foreground process.

... You can boot Linux either from a floppy or from the hard disk. ... When booting Linux from a floppy disk, the boot sector contains code that just reads the first few hundred blocks (depending on the actual kernel size, of course) to a predetermined place in memory. On a Linux boot floppy, there is no filesystem, the kernel is just stored in consecutive sectors, since this simplifies the boot process. ... For example, when I boot, I it looks like this: љ љ љ љ LILO boot: Loading linux. ...

... 18apr06 power supply fault contactor not closing. 20apr06: Solution: problem was the digital i/o board. POWER1 signal not arriving. ... At 49880 the master contactor is open so there is no power to the power supplies. ... The problem turned out to be the digital i/o board that drove the POWER1 signal to the master contactor relay. ... The master contactor relay is now being driven through the power supply fault contactor relay and then the little star POWER2 relay. ...

Next: Construction of Flat Up: Off-line Reduction Previous: Off-line Reduction . Before most of the reduction process can be conducted, bad pixel values must be removed. ... The LAMP ON or LAMP OFF flat field images are a good place to start to define your bad-pixel map. ... In MIDAS, bad pixel detection is possible with the command MASK/IRAC2 ; the command CMASK/IRAC2 can be used for bad pixel removal. Refer to the MIDAS manual for further documentation of these commands. ...

... The DEC Text Processing Utility (DECTPU) is a generic set of editing tools that are accessed through various interfaces and the default editor. ... DECTPU creates journal files that save your editing commands so that your editing session can be recovered if a system failure occurs. ... EDIT/TPU MEMO.TXT /JOURNAL /RECOVER DECTPU creates a separate journal file for each text buffer. ... Command: RECOVER BUFFER MEMO.TXT Buffer-change journal names come from the name of the buffer or file being edited. ...

... Like the Lynxx and the ST-4, this camera has a preferred orientation with the telescope (see figure 4). ... Before taking images, the camera and the telescope have to be calibrated. ... This is the normal CCD camera image mode. The second method is the track and accumulate mode. In this mode, the camera takes several short images, and then adds them together to give an image that is comparable to the same total time image as taken by the grab function. ...

Starting Apache on Windows . Starting Apache on Unix . ... If the Port specified in the configuration file is the default of 80 (or any other port below 1024), then it is necessary to have root privileges in order to start Apache, so that it can bind to this privileged port. ... As an alternative to invoking the httpd binary directly, a shell script called apachectl is provided which can be used to control the daemon process with simple commands such as apachectl start and apachectl stop . ...