ULTRACAM USER GUIDE
Contents
1. this section continues from the previous page You should now set a default printer At the main http localhost 631 page click the Printers tab and then click Set As Default for your choice of printer Printer setup is now completed and you can close the browser You can view all printer information using the pstat f command Using pr filename will print to the default printer which is given by pq this section ends here at the bottom of this page2. section continues onto the next page ULTRACAM USER GUIDE 2010_11_14 Paul Kerry this section continues from the previous page has it s internal system clock synchronized once per day at 13 55 UT by an automatic rdate command to the DRPC Note that the system time is not governed by the ULTRACAM GPS in any way only the data run files are GPS timestamped If left unchecked the system clock diverges on average by 30 seconds per day technical specifications Intel Xeon CPU L5420 2 50GHz 786MB RAM more physically installed but not allocated by special UKATC 2 6 20 ucam kernel ATI onboard graphics card graphics not used 5U Rackmount chassis Imedia 1 2 PC imedial is normally used as the main slide control and temperature logging system unless a failure prevents it from being so imedia2 is normally used as a spare and is rsync ed from imedial before the start of a telescope run see Vik s Sheffield logistics page for rack PC usage status as well as slide control and temperature logging imedia 1 2 has a fully loaded Debian Lenny operating system with the same application software as is on the DRPC this would be slow to use compared with a DRPC but it may be useful for copying software if required has a single fixed internal disk drive total capacity 20 GB in case of total imedial failure power down de cable remove imedial from the rack install imedia2 which lives in one of the packing crates into the rack re c
3. B all username and passwords are case sensitive under linux Additional user accounts can be created by using the interactive adduser command when logged in as root or by typing su in a terminal followed by the root password Do not use the root account for normal system usage always use a user account Forgotten user account passwords may be changed by logging in as root or by typing su in a terminal followed by the root password and then by typing passwd username Do not adjust ssh authorized_keys files on any system as these are correctly setup for the normal observer account Data Reduction PC s DRPC s e hostname ultracam 2 o username root username observer o password p99352 password observer Data Acquisition PC s e hostname rack aka ucam 4 5 o username root username observer o password Babel 17 password observer imedia rackmounted PC s e hostname imedia 1 2 o username root o password Babel 17 Remote Power Module e hostname rpm o username admin o password 12345678 ULTRACAM dual boot linux windows laptop usually found in the packing crates e hostname magnetar o username root username ultracam o password gkk77 password ultracam The ultracam account is a pre configured generic account for ultracam use DHCP networking is enabled by default if you need change network settings to static click the wicd icon on the desktop or run wicd client n from a terminal
4. Cshrc Cshrc editor Cshrc search for the long alias lines for existing pipeline installations then copy and paste the line containing the latest ultracama b c alias command editing it with the new a b c version number as applicable along the line currently in two places on the line Exit from the tcsh command interpreter and then the root account exit exit Users should then start a new terminal or source cshrc to pick up the new version this section ends here at the bottom of this page ULTRACAM USER GUIDE 2010_11_14 Paul Kerry Building Tom Marsh s Non Pipeline Software On The DRPC All non pipeline software is installed with a top level of usr local ultracam Change to the root user by typing ssh root localhost enter the root password Change to the tcsh command interpreter which sets the correct build environment variables from root cshre by typing tcsh Copy the downloaded software into home root trm_software Extract the software cd Shome root trm_software tar xzvf software tar gz cd software a b c configure prefix usr local ultracam make make install Exit from the tcsh command interpreter and then the root account exit exit this section ends here at the bottom of this page ULTRACAM USER GUIDE 2010_11_14 Paul Kerry Computer status A brief summary follows of computer related hardware within the ULTRACAM systems Silver DRPC ultracam is used as the main data reduction sy
5. For information regarding these fields see the document titled Using an alternative system to run ULTRACAM data acquisition To login to the rack open a terminal and type rack this section ends here at the bottom of this page ULTRACAM USER GUIDE 2010_11_14 Paul Kerry Building Tom Marsh s Ultracam Pipeline Software On The DRPC NB Multiple versions of the Ultracam Pipeline Software may be installed on the DRPC make sure that the configure line below is set to the new version DO NOT install to usr local ultracam which is where other more static items of Tom Marsh s software are stored Change to the root user by typing ssh root localhost enter the root password Change to the tcsh command interpreter which sets the correct build environment variables from root cshrc by typing tcsh Extract the pipeline software cd Shome root trm_software download_ultracam_source this command alias downloads ultracam tar gz from the Warwick website using wget into the current directory mv ultracam tar gz ultracam a b c tar gz this is useful so we can hold older versions of the source without overwriting in the future tar xzvf ultracam a b c tar gz cd ultracam a b c Build and then install by typing configure prefix usr local ultracam a b c make make install After a successful installation edit the global cshrc file after making a backup so the new pipeline is available to users cd home admin cp
6. M data acquisition Please inform Paul Kerry of the failure and to receive further instructions this section ends here at the bottom of this page ULTRACAM USER GUIDE 2010_11_14 Paul Kerry Using an alternative system to run ULTRACAM data acquisition See the document titled ULTRACAM Internal Network IP addresses If you are using the ULTRACAM magnetar laptop see the document titled Operating System Passwords It is possible to run the ULTRACAM data acquisition system on the rack PC from any system running X Windows software this also includes Windows running for instance Xming software rather than using the Data Reduction PC DRPC by following these instructions Change the IP address on the system to static manual for wired ethernet using the details listed below noting that configuration varies between systems examples of which are newer linux systems NetworkManager wicd generic system tool older Debian edit etc network interfaces and then ifup ethO older RedHat edit etc sysconfigMmetwork scripts ifcfg ethO and then ifup ethO Mac System Preferences gt Network gt Show Built in Ethernet Windows Control Panel gt Network Settings IP address 192 168 1 x where x is a number from 10 to 254 that is currently not in use by another user do not use a single digit number for x as these may already be in use by core systems subnet mask 255 255 255 0 gateway 192 168 1 1 this entry can be left bla
7. ULTRACAM USER GUIDE 2010_11_14 Paul Kerry ULTRACAM Data Reduction PC DRPC For more in depth details about the DRPC computers see the document titled Computer status In the event of failure of the DRPC the following services will not be available DHCP server automatic network IP address assignment for systems plugged into either ULTRACAM internal network switches warning sounds played from the rack PC via the DRPC audio system i e from AutoLogger and GRB scripts CUPS printer server client pass through capability if previously configured network connections to the outside world for all systems connected via the ULTRACAM internal network switches the end_of_night_tasks script which transfers data to external USB drives and also within the rack disks there is a copy of the script on the rack in root pkerry scripts which can be transferred to and ran from your laptop to which you connect the USB drives rather than the DRPC in the event of o disk failure within the silver DRPC you can use the rsync copy that is within the case see the document titled Computer status Please inform Paul Kerry of the failure and to receive further instructions o complete failure of the silver DRPC use the spare Viglen DRPC from the packing crates Please inform Paul Kerry of the failure and to receive further instructions o if that also fails use another system see the document titled Using an alternative system to run ULTRACA
8. able and power on Please inform Paul Kerry of the failure and to receive further instructions technical specifications for imedial Via Nehemiah CPU 1GHz 512MB RAM 1U Rackmount chassis technical specifications for imedia2 Intel Atom CPU 1 5GHz 512MB RAM 1U Rackmount chassis this section ends here at the bottom of this page ULTRACAM USER GUIDE 2010_11_14 Paul Kerry Installing udriver on the rack pc Note that these instructions are for using the default bash shell and not tcsh Login as root onto the rack pc ssh root 192 168 1 2 enter the root password copy the udriver a b c tar gz file into root pkerry udriver and extract it cd root pkerry udriver tar xzvf_udriver a b c tar gz cd udriver a b c Setup the installation directory and build the software export TRM_JAVA usr local make make install After a successful installation the software will be installed into the usr local udriver a b c directory with a usr local udriver symbolic link pointing to it If the symbolic link is not correct or you want to use an older version for example then rm usr local udriver In s usr local udriver a b c usr local udriver Set the directory permissions so the observer user can access the directories chmod 777 usr local udriver a b c applications chmod 777 usr local udriver a b c logs Do not change the permissions of any other directories as they should remain untouched Logout from the root a
9. ccount by typing exit At this stage it would be a good idea to copy saved xml files from the previous applications directory Login as observer and copy the files this ensures that the files are owned by the observer account rather than root this section ends here at the bottom of this page ULTRACAM USER GUIDE 2010_11_14 Paul Kerry Printer support The ULTRACAM linux systems all use CUPS for printing The DRPC runs a CUPS server which can be accessed from all other systems connected into the ULTRACAM private network when they are setup as a CUPS client The rack data acquisition PC s do not have printing support installed To create a CUPS client of the DRPC from any CUPS enabled linux system edit etc cups client conf as root using your favourite editor and add the following line ServerName 192 168 1 1 You may need to reset the PRINTER environment variable that are set at the user level via login startup files for instance cshre bashre or profile You can also setup Mac OSX and Windows clients to use CUPS ask Paul Kerry for more details if required although it is probably easier to use software on those systems to print directly Before setting up printers using the CUPS server on the DRPC you will need to know the make of printer the specific model of the printer the IP address of the printer this maybe written on the printer or on a printer test page the port
10. e of the ULTRACAM internal network switches technical specifications Intel Core2 Quad CPU Q9550 2 83GHz 4GB RAM NVIDIA GeForce 8500 GT graphics card full tower chassis Black Viglen DRPC ultracam2 used as the backup data reduction system has a single fixed internal disk drive total capacity 2TB is cloned from the Silver DRPC ultracam1 see Vik s Sheffield logistics page for cloning status has two network ports labelled for internal and external use this section continues onto the next page ULTRACAM USER GUIDE 2010_11_14 Paul Kerry this section continues from the previous page has an internal dual layer 8 5GB DVD RW drive has it s internal clock synchronized by NTP i e La Silla s own not ULTRACAM s GPS has it s own firewall software to prevent external intrusion via the external network the internal network can only be accessed by direct connection into one of the ULTRACAM internal network switches technical specifications Intel Core2 Quad CPU Q9650 3 00GHz 4GB RAM NVIDIA GeForce 8500 GT graphics card small form factor chassis Rack PC ucam 4 5 ucam4 is normally used as the main data acquisition system unless a failure prevents it from being so ucam5 is normally used as a spare and is rsync ed from ucam4 before the start of a telescope run see Vik s Sheffield logistics page for rack PC usage status has a removable drive bay unit that can house 5x 3 5in SATA disk drives held by caddy s disks
11. ms have the same IP address but are not used concurrently 192 168 1 3 imedia 1 2 o 1U mini PC used for slide control and temperature monitoring o both systems have the same IP address but are not used concurrently 192 168 1 4 rpm o Remote Power Module for network control of power sockets The DRPC DHCP server assigns IP addresses in the range 192 168 1 10 to 192 168 1 25 inclusive Any system plugged into the internal network switch with ethernet configured via DHCP will automatically be granted an IP address in this range Systems will then be able to connect to both internal and external networks concurrently Please make sure that other people with nothing to do with ULTRACAM do not connect their computing equipment into either of the ULTRACAM internal network switches IP addresses may also be assigned manually up to 192 168 1 254 inclusive DO NOT use IP addresses in the 192 168 1 1 to 192 168 1 9 inclusive range as these may be in use by core ultracam systems The DRPC motherboard network port labelled external is connected into an institution s port and receives it s own IP address via the institution s own DHCP server Do not connect a cable from this port to one of the ULTRACAM internal network switches this should be a single end to end connection directly to an institution s wall port switch hub this section ends here at the bottom of this page ULTRACAM USER GUIDE 2010_11_14 Paul Kerry Operating System Passwords N
12. must not be added or removed unless the power is switched off to the PC drive bays should be populated from left to right the far left first bay slot is used for booting at the time of writing ucam4 currently houses 3x hard disk drives which are clearly labelled on the caddy housings o the left first drive bay slot contains the ucam4 system disk with the running system total capacity 250GB o the next second drive bay slot along contains the ucam4 data1 disk total capacity 2TB o the next third drive bay slot along contains the ucam4 rsync disk total capacity 500GB this disk is not mounted by default only the root user can mount partitions on this disk an automated process copies files using rsync from the running ucam4 system disk to this disk every day at 14 00 UT o incase of primary disk failure power down the PC remove the ucam4 system disk from the left first drive bay slot package it safely and return it to Paul Kerry remove the ucam4 rsync disk from the third from left drive bay slot and insert it into the left first slot power on the PC in case of total ucam4 failure power down de cable remove ucam4 from the rack install ucam5 re cable and power on you can now choose to use the disks that live in ucam5 or put the ucam4 rsync disk into the left first drive bay slot in ucam5 and also choose whether or not to put the ucam4 data1 disk into the second drive bay slot this
13. name or number usually 9100 for HP printers or protocol to use the DRPC root password In case the DRPC is already running as a CUPS client to another CUPS server comment out any lines in etc cups client conf by putting a at the start of the line by logging in as root or ssh root localhost and using your favourite editor Then as a normal not root user on the DRPC open a web browser to http Nocalhost 631 Click Add Printer At the Add New Printer page enter a sensible lower case name for the printer i e wht_laser optionally add meaningful descriptions in the location and description fields click Continue At the Device for printername page choose the protocol HP printers typically use AppSocket HP JetDirect other printers use LPD LPR Host or Printer other CUPS systems typically use Internet Printing Protocol http or Internet Printing Protocol ipp click Continue this section continues onto the next page ULTRACAM USER GUIDE 2010_11_14 Paul Kerry this section continues from the previous page At the Device URI for printername page enter the protocol address and port following the examples on the page extra examples using IP addresses instead of hostnames are for typical HP printers using an internal JetDirect ethernet card o socket 111 222 333 444 9100 for other printers o Ipd 111 222 333 444 auto o Ipd 111 222 333 444 p
14. nk but some systems require it a gateway is not in use as the DRPC is offline so you will not be able to use network connections to the outside world nameserver DNS server 192 168 1 1 this entry can be left blank but some systems require it no nameservers are in operation on the internal network as standard DRPC operation uses institution nameservers which are then routed to clients automatically via DHCP all systems will now be referenced directly by IP addresses unless etc hosts has been populated with IP addresses and hostnames Plug the laptop into either of the ULTRACAM internal network switches if not done so already Enable the networking if using linux ifconfig can now be used to confirm the settings ssh observer 192 168 1 2 will connect you to the rack and ask for the observer password this section ends here at the bottom of this page ULTRACAM USER GUIDE 2010_11_14 Paul Kerry ULTRACAM Internal Network IP addresses For more in depth details about the DRPC computers see the document titled Computer status The following static addresses are permanently in use on the ULTRACAM internal network 192 168 1 1 ultracam 2 aka DRPC o via the PCI network card port labelled internal o both systems have the same internal IP address but are not used concurrently o one of the ULTRACAM internal network switches should be connected to this port 192 168 1 2 rack aka ucam 4 5 o Data Acquisition PC o both syste
15. ort1 for other CUPS systems o http 111 222 333 444 631 printers printername At the Make Manufacturer for printername page Choose the make from the scrollable list click Continue At the Model Driver for printername page Choose the model from the scrollable list There may be many alternatives for each printer for HP printers preferably use models containing HPLIP for other printers preferably use models containing Postscript If the model is not listed you will have to download a PPD file from the manufacturer s website and then enter the path to it in the Or Provide a PPD File window Click Add Printer At the browser Authentication Window enter User Name root Password DRPC root password The printer is now added You should now check and change the default settings for the printer noting that every printer driver has different selectable options At the main http localhost 631 page click the Printers tab and then click Set Printer Options in the line of buttons under the printername Make sure you at least set the page size usually to A4 if applicable the duplex unit option to installed and then Duplex to Flip on long edge NB in the policies section set Error Policy to retry job Click any of the Set Printer Options buttons to save this section continues onto the next page ULTRACAM USER GUIDE 2010_11_14 Paul Kerry
16. stem unless a failure prevents it from being so has a removable drive bay unit that can house 3x 3 5in SATA disk drives without the need for caddy s the unit was installed for the commencement of the NTT run in November 2010 disks must not be added or removed unless the power is switched off to the PC drive bays should be populated from the top downwards the top bay is used for booting the unit currently houses 2x hard disk drives o the uppermost slot contains the running system total capacity 750GB o the middle slot contains a secondary disk with a rsync ed cloned copy total capacity 1TB this disk is not mounted by default only the root user can mount partitions on this disk an automated process copies files using rsync from the running system to the clone every day at 14 00 UT o incase of primary disk failure power down the PC remove the primary drive from the uppermost slot package it safely and return it to Paul Kerry remove the secondary drive from the middle slot and insert it into the uppermost slot power on the PC has two network ports labelled for internal and external use has an internal DDS 4 SCSI 20GB native 40GB compressed tape drive has an internal dual layer 8 5GB DVD RW drive has it s internal clock synchronized by NTP i e La Silla s own not ULTRACAM s GPS has it s own firewall software to prevent external intrusion via the external network the internal network can only be accessed by direct connection into on
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