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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).

• 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 created page File:CSE storage and compute cluster storage and virtual machines - October 2023.pdf
• 13:27, 9 October 2023 Plinich talk contribs uploaded 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 created page File:CSE network diagram - September 2023.pdf
• 09:49, 19 September 2023 Plinich talk contribs uploaded 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.")
• 12:35, 28 August 2023 Plinich talk contribs created page Hostname (Redirected page to /etc/hostname) Tag: New redirect
• 12:22, 28 August 2023 Plinich talk contribs moved page PostFix to Postfix without leaving a redirect (Wrong case used originally)
• 12:22, 28 August 2023 Plinich talk contribs created page PostFix (Created page with "See [https://www.postfix.org/ the Postfix Home Page] for documentation and downloads (tho' CSG uses standard Debian packages so you really only need the web site for the documentation).")
• 12:14, 28 August 2023 Plinich talk contribs created page Lab computer (Created page with "Each CSE physical lab has multiple '''computer'''s, each of which is a New World host. To a very, very large extent the software suite installed on lab computers is identical to that on VLAB and login servers. The difference between the two is the size of the host and that physical lab computers only support one graphical login at a time.")
• 12:09, 28 August 2023 Plinich talk contribs created page Mlalias (Created page with "'''mlalias''' in the overarching name for CSE's PostFix-based system for receiving and forwarding emails sent to addresses in the cse.unsw.edu.au domain. * <code>mlalias</code> is also the name of the command-line utility used to configure user-managed email forwarding and mailing lists. * CSE does not provide email storage and so any email received for a CSE-domain address must be forwarded to one or more external email boxes, otherwise the email will be discarded...")
• 11:40, 28 August 2023 Plinich talk contribs created page PostgreSQL (Created page with "'''PostgreSQL''' is an open-source relational database product. It is used both for teaching and as part of the New UDB. It is available as a standard package in Debian. CSG does not use custom builds of PostgreSQL, though some database courses do, particularly to get the very latest versions. See [https://www.postgresql.org/ PostgreSQL web site], including downloads and documentations")
• 11:37, 28 August 2023 Plinich talk contribs created page New UDB (Created page with "Like the Old UDB, the '''New UDB''' is a user database providing Linux account information to hosts and workstations. It also implements a hierarchical class-membership structure which both allows users' roles in the school to be established, and also controls user access to certain resources. Additionally, the same database hosting its tables also contains tables supporting the operation of CSE's mlalias mail-forwarding and mailing-lists system. Both systems' da...")
• 11:31, 28 August 2023 Plinich talk contribs created page Old UDB (Created page with "The '''Old UDB''' is a user database originally written by Neil Brown. Beyond providing Linux account information to hosts and workstations, it also implements a hierarchical class-membership structure which both allows users' roles in the school to be established, and also controls user access to certain resources. The New UDB loosely mimics this functionality to maintain compatibility across CSE's fleet of hosts. The Old UDB is deprecated because it is: # Old an...")
• 10:19, 28 August 2023 Plinich talk contribs created page Virtual exam environment (Created page with "Create content for this. Add links to use on existing pages")
• 10:19, 28 August 2023 Plinich talk contribs created page Echo360 (Created page with "Create content for this")
• 11:39, 22 August 2023 Plinich talk contribs created page Priv (Redirected page to Priv scripts and sudo) Tag: New redirect
• 11:39, 22 August 2023 Plinich talk contribs created page Priv scripts and sudo (Created page with "Old World systems had a mechanism based around a program called <code>'''priv'''</code> which allowed unprivileged users to run scripts as root or as other users. New World systems can, nominally, use <code>sudo</code> instead, which achieves the same result. However, many long-term users are more familiar with <code>priv</code> and there are a large number of priv scripts in existence which do still-useful things. In particular, some priv scripts are used insid...")
• 14:53, 21 August 2023 Plinich talk contribs created page GID (Redirected page to UID) Tag: New redirect
• 14:53, 21 August 2023 Plinich talk contribs created page UID (Created page with "See also: * [https://en.wikipedia.org/wiki/User_identifier User identifier @ Wikipedia] * [https://en.wikipedia.org/wiki/Group_identifier Group identifier @ Wikipedia]")