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Combined display of all available logs of techdocs. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 12:06, 1 Mayıs 2024 Plinich talk contribs moved page Ceph testing and development cluster to Pre-confluence:Ceph testing and development cluster without leaving a redirect (Migrated to Confluence)
• 11:52, 1 Mayıs 2024 Plinich talk contribs deleted page Pre-confluence:testdoc (content was: "This is a test document", and the only contributor was "Plinich" (talk))
• 11:46, 1 Mayıs 2024 Plinich talk contribs created page Pre-confluence:testdoc (Created page with "This is a test document")
• 10:43, 5 February 2024 Zain talk contribs created page New World Backup System (Created page with " $ME [-h] [-l log] [-n] [-q] command [commandargs] Function: This script deals with CSE rsnapshot backups made for any CSE user who owns a home, or other directory, that is hosted on a CSE file server. This script should usually be run on the CSE backup server: ($BU_SERVER). General Options: -h [ command | topic ] Print help for the specific command or topic passed. If no command or topic is passed, print this general help and exit. Topics and co...")
• 16:07, 3 Ocak 2024 Zain talk contribs created page CSE Account creation and maintenance scripts (First draft of UDBupdate)
• 16:28, 31 December 2023 Plinich talk contribs uploaded File:Vmexecnet.png
• 16:28, 31 December 2023 Plinich talk contribs created page File:Vmexecnet.png
• 10:18, 7 November 2023 User account Derrick talk contribs was created by Plinich talk contribs and password was sent by email
• 08:37, 1 November 2023 Plinich talk contribs created page What does the CSE UDB (User DataBase) do? (Created page with "In this document I'll be talking specifically about the New UDB. The Old UDB is similar (and deprecated, being used only on Old World hosts). Server-wise, the UDB is implemented as a PostgreSQL database running on the server "bandleader". One if its main functions is to answer Linux account (read: passwd) queries from CSE user login hosts (such as lab computers and VLAB/login servers) at login time via LDAP. Responses to these queries include UI...")
• 09:42, 26 October 2023 Plinich talk contribs created page Zammad (Created page with "'''zammad''' is the name of a server in AWS established own request of Keven Elphinstone to support CS3231. Below are details of how it was configured by CSG (read: Peter). Instance type: m6a.large AMI: Debian 12 Security group: zammad (own) Disk: 64GB (EBS gp3 3000iops) Public IP address: 54.66.182.104 Subnetwork: nw-sydney-hosts VPC: nw-sydney Availability zone: ap-southeast-2c /etc/hostname: zammad.cse.unsw.edu.au # '''touch cloud-init.disabled'''...")
• 11:27, 24 October 2023 Plinich talk contribs created page SPF (Redirected page to Sender Policy Framework) Tag: New redirect
• 11:27, 24 October 2023 Plinich talk contribs created page Sender Policy Framework (Created page with "See [https://en.wikipedia.org/wiki/Sender_Policy_Framework Sender Policy Framework @ Wikipedia]")
• 10:35, 23 October 2023 Plinich talk contribs created page Email for standalone servers (Created page with "Various individuals and groups within CSE run their own servers "in the cloud" (read: AWS) which need email capability. Email can be managed completely (i.e., sending and receiving) on the server, or some or all of the management can be offloaded to an email hosting service (e.g., Rackspace, where CSE has an account). In this article we talk about the the different possibilities and which might be more appropriate in some use cases than others. * Create an...")
• 10:15, 23 October 2023 Plinich talk contribs created page Rackspace (Redirected page to Email for standalone servers) Tag: New redirect
• 10:14, 23 October 2023 Plinich talk contribs created page Email (Created page with "* Email for standalone servers * New World email")
• 10:13, 23 October 2023 Plinich talk contribs moved page Email to New World email without leaving a redirect
• 13:27, 9 October 2023 Plinich talk contribs uploaded File:CSE storage and compute cluster storage and virtual machines - October 2023.pdf
• 13:27, 9 October 2023 Plinich talk contribs created page File:CSE storage and compute cluster storage and virtual machines - October 2023.pdf
• 11:15, 4 October 2023 Plinich talk contribs created page Megaraid (Created page with "This page describes administering the '''P'''ower'''E'''dge '''R'''AID '''C'''ontrollers (PERC) in CSE's recent Dell servers. In the <nowiki>[</nowiki>distant<nowiki>]</nowiki> past, Dell's RAID controllers used LSI chips. LSI was subsequently acquired by by Avago/Broadcom. Very possibly the chips still come from LSI/Broadcom, but the command-line utilities from LSI/Broadcom (<code>megacli</code> and, later, <code>storcli</code>) which could be used to examine a...")
• 09:49, 19 September 2023 Plinich talk contribs uploaded File:CSE network diagram - September 2023.pdf
• 09:49, 19 September 2023 Plinich talk contribs created page File:CSE network diagram - September 2023.pdf
• 17:02, 5 September 2023 Plinich talk contribs created page Pluggable Authentication Modules (Created page with "'''Pluggable Authentication Modules''' (PAM) is a technology allowing programs to be written which require user authentication or authorisation without actually including any code in the programs to do this. Instead, the programs reference an external Pluggable Authentication Module library which uses files set up in <code>/etc</code> to configure a stack of modules which are called to perform the required actions. For example, at one site PAM might be configured to use...")
• 16:54, 5 September 2023 Plinich talk contribs created page PAM (Redirected page to Pluggable Authentication Modules) Tag: New redirect
• 16:34, 5 September 2023 Plinich talk contribs created page Authorized keys (Redirected page to SSH) Tag: New redirect
• 11:40, 5 September 2023 Plinich talk contribs created page Merge ip addresses into blocks (Created page with "'''<code>merge_ip_addresses_into_blocks</code>''' is a script which merges, as much as possible, disparate individual IPv4 addresses into subnetwork blocks. Used in the <code>etc_exports</code> host generator to reduce the list of individual authorised NFS client IPv4 address into a much shorter list for inclusion in <code>/etc/exports</code> for the NFS home directory servers. See also the comment at the head of the file.")
• 11:33, 5 September 2023 Plinich talk contribs created page /usr/local/administration/bin (Created page with "'''<code>/usr/local/administration/bin</code>''' is the home of administration-support scripts on the cfengine hub, particularly: * <code>update_hosts</code>, * <code>check_and_install_promises</code>, and * <code>merge_ip_addresses_into_blocks</code>")
• 11:01, 5 September 2023 Plinich talk contribs created page Defs.json (Redirected page to Cfengine) Tag: New redirect
• 11:00, 5 September 2023 Plinich talk contribs created page Class account (Created page with "A class account is a user account in CSE's UDB where the nominal owner is not an actual flesh-and-blood person, but is instead a teaching class, such as COMP1511. Commonly these accounts are used to host assignment data files to be distributed to students, and for tutors and lectures to do other undefined "work". Users cannot use zID/zPass to log in to these accounts and generally use SSH instead after their SSH key has been added to <code>auth...")
• 10:46, 5 September 2023 Plinich talk contribs created page Unattended-upgrades (Created page with "'''unattended-upgrades''' is a standard Debian package installed on all New World hosts. It taps into <code>apt</code>'s daily run and causes any outstanding updates to be automatically installed, thus keeping the systems up-to-date. See: * <code>/etc/cron.daily/apt-compat</code> → <code>/usr/lib/apt/apt.systemd.daily</code> * <code>/etc/apt/apt.conf.d/*unattended-upgrades</code> * <code>/etc/apt/apt.conf.d/*auto-upgrades</code>")
• 10:30, 5 September 2023 Plinich talk contribs moved page /var/lib/cfengine/inputs to /var/lib/cfengine3/inputs without leaving a redirect
• 10:28, 5 September 2023 Plinich talk contribs created page /var/lib/cfengine/inputs (Redirected page to Cfengine) Tag: New redirect
• 10:28, 5 September 2023 Plinich talk contribs created page /var/lib/cfengine/masterfiles (Redirected page to Cfengine) Tag: New redirect
• 09:31, 5 September 2023 Plinich talk contribs created page CASTLE (Created page with "* [https://castle.cse.unsw.edu.au/login CASTLE@CSE login] * [https://webcms3.cse.unsw.edu.au/TUTR0101/00x0/resources/65749 CSE/WebCMS3 tutor resources] * [https://www.unsw.edu.au/engineering/our-schools/electrical-engineering-telecommunications/about-us/casual-academic-staff-pay-claims ElecEng casual academic staff pay claims]")
• 15:46, 4 September 2023 Plinich talk contribs created page Run-cf-agent (Created page with "<code>'''run-cf-agent'''</code> is a utility installed in <code>/root/bin</code> on all user-loginable hosts. It runs <code>cf-agent</code> and lists the changes and actions it took during its run. See cfengine.")
• 15:22, 4 September 2023 Plinich talk contribs created page Academic allocations (Created page with "Most academic allocations are defined and stored in the text files: : <code>/home/teachadmin/public_html/alloc/''YYSS''.db</code> (where YY:year SS:Term). These files are maintained and administered primarily by Andrew Taylor and John Shephard. The following are the allocations in <code>/home/teachadmin/public_html/alloc/</code> to lecture in COMP9517 in the various terms in 2022, 2023, 2024: # '''grep COMP9517 /home/teachadmin/public_html/alloc/2[234]*.db | grep L'...")
• 12:34, 4 September 2023 Plinich talk contribs created page Localstorage (Redirected page to Host class) Tag: New redirect
• 12:21, 31 August 2023 Plinich talk contribs created page Clean-up scripts on userlogin hosts (Created page with "See: * <code>zzz-clean-slash-tmp</code> * <code>/etc/cron.d/virtualexam_cleanup</code>")
• 12:15, 31 August 2023 Plinich talk contribs created page Package lists (Redirected page to Software package management and Debian) Tag: New redirect
• 11:53, 31 August 2023 Plinich talk contribs created page Userlogin (Redirected page to Host class) Tag: New redirect
• 11:19, 31 August 2023 Plinich talk contribs created page Virtual machines on lab computers and VLAB servers (Created page with "See User virtual machines on VLAB servers.")
• 11:13, 31 August 2023 Plinich talk contribs created page DHCP (Created page with "CSE's '''Dynamic Host Configuration Protocol (DHCP)''' service is provided by Old World-configured servers. {| !Server !Subnetwork served !VLAN |- |bouncer |private-vmware |387 |- |bach |wireless |388 |- |bartok |trust |380 |- |berlin |notrust |381 |- |beethoven |trust |380 |} Make changes in <code>nodeinfo</code>, conform the relevant server(s), and restart the DHCP server (<code>dhcpd</code>)")
• 12:16, 30 August 2023 User account Zain talk contribs was created by Plinich talk contribs
• 09:34, 30 August 2023 Plinich talk contribs created page OpenLDAP (Redirected page to LDAP) Tag: New redirect
• 09:33, 30 August 2023 Plinich talk contribs created page Active Directory (Created page with "'''Active Directory''' is a user and account directory service which runs on Microsoft servers. UNSW runs and supports some of these officially. From CSG's point of view, it is most interesting because: # It can be used with Kerberos to authenticate UNSW users' [[zID] and zPass. For the brave it can also be used to change passwords (see <code>man kpasswd</code> without using UNSW's web-based [https://iam.unsw.edu.au/ Identity Management] system. # It can...")
• 09:24, 30 August 2023 Plinich talk contribs created page LDAP (Created page with "'''LDAP''' (Lightweight Directory Access Protocol) is, as the name strongly hints, is a directory look-up protocol. CSE/CSG-maintained systems — such as lab computers and VLAB/login servers — use CSE's own LDAP to: # Look up user account information (such as UID, GID, home directory location, etc.) when users log in, # Use LDAP to determine file system object owner and group names, # Use LDAP to look up user netgroup affiliat...")
• 12:53, 28 August 2023 Plinich talk contribs created page CSE labs (Created page with "See [https://taggi.cse.unsw.edu.au/FAQ/Laboratories/ CSE laboratories] in the [https://taggi.cse.unsw.edu.au/ taggi].")
• 12:50, 28 August 2023 Plinich talk contribs created page Bandleader (Created page with "'''bandleader''' is the CSE hosts where the New UDB's PostgreSQL database and OpenLDAP server run.")
• 12:49, 28 August 2023 Plinich talk contribs created page ZPass (Redirected page to ZID) Tag: New redirect
• 12:47, 28 August 2023 Plinich talk contribs created page ZID (Created page with "UNSW's centrally-managed user names and passwords are called '''zID''' and '''zPass'''. They are maintained by UNSW's identity management infrastructure. CSE/CSG primarily uses Kerberos to access UNSW's Active Directory (AD) servers to perform authentication. Most commonly, the zID consists of a lower-case 'z' followed by seven digits. == See also == * User database, authentication and authorisation")
• 12:37, 28 August 2023 Plinich talk contribs created page /etc/hostname (Created page with "'''<code>/etc/hostname</code>''' is a plain text file in <code>/etc</code> which contains the name of the host, optionally followed by its domain. This file is read at host startup and used to set the host's name in the kernel. This name commonly appears in shell prompts and also appears on the login screen for lab computers and VLAB sessions.")