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Cleanup Packages

Anonymous (anonymous@undisclosed.example.com) — 2014-04-28T09:01:22+00:00

Cleanup Packages Purge uninstalled Packages If a package is removed, it is only uninstalled, but the configuration remains on the system. This is a good thing, as you are able to reinstall the package and have it configured with the old configuration. But if you want to cleanup this old stuff, you can ge a list of uninstalled (but not purged) packages with this command:

Notes for the Solaris 10 System Administration Exam (CX-310-200 & -202)

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:36+00:00

Notes for the Solaris 10 System Administration Exam (CX-310-200 & -202) I'm preparing myself for the two exams to achieve the Sun Certified System Administrator (SCSA) certification. This are my notes taken while studying the preparation books. Managing File Systems List Devices To list the system's devices, you can use the following commands:

localeadm

Anonymous (anonymous@undisclosed.example.com) — 2013-03-01T20:58:12+00:00

localeadm The localeadm utility queries and configures Solaris locales through a command line interface. * man page: localeadm(1M) Preparation Check your Solaris Release with cat /etc/release and get a matching DVD or ISO image. If you're using an ISO image, you have to mount it (insert your path in the first line.

Oracle: SPFile and PFiles

Anonymous (anonymous@undisclosed.example.com) — 2013-03-01T20:36:05+00:00

Oracle: SPFile and PFiles Oracle reads its parameters from a file called “SPFile”. You can't change it directly as it's a binary file. Additionally, Oracle can read the parameters from “PFiles”, which are regular text files. Create PFile To export the SPFiles to a PFile, just enter the following in SQLplus:

root login with bash

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:35+00:00

root login with bash On our systems, the root account is set to be a role, so you can't login as root, just su to root from an user which has the root role. Also, the root user has the bourne shell (/bin/sh), but working with /bin/bash is much easier. Using this command, you can directly log in as

Oracle: List Accounts with Objects

Anonymous (anonymous@undisclosed.example.com) — 2013-03-01T20:26:48+00:00

Oracle: List Accounts with Objects To list all accounts (users) the objects (like tables), you can query them with: SELECT DISTINCT OWNER FROM DBA_OBJECTS ORDER BY OWNER; If you want to list all accounts, you can query them with: SELECT USERNAME FROM ALL_USERS ORDER BY USERNAME;

MacPorts

Anonymous (anonymous@undisclosed.example.com) — 2015-11-25T08:59:36+00:00

MacPorts List Ports list requested ports: port echo requested | cut -d ' ' -f 1 | uniq list installed ports: port -qv installed Housekeeping When ports are updated, the old port is only deactivated, not uninstalled: ... autoconf @2.69_2 autoconf @2.69_3 autoconf @2.69_5 ...

Command Line Audio

Anonymous (anonymous@undisclosed.example.com) — 2013-03-10T21:06:49+00:00

Command Line Audio Change Mac Audio Volume from Command Line To change the audio volume from remote of my Mac at home, I needed a command line tool which I can use via ssh. I've found it here: OS X Daily - Change the system volume from the command line. It's as easy as sudo osascript -e "set Volume 10"

DynDNS Updates without a Client

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:34+00:00

DynDNS Updates without a Client My new hosting provide Strato offers DynDNS. I was searching for a DynDNS client for my OpenSolaris Home Server, but a small bash script does the job as good as any other client. #! /bin/bash . ${HOME}/.dyndns.cfg DOMAINS=$(cat ${HOME}/.dyndns.domains) echo "$(date '+%Y-%m-%d %H:%M') $(basename $0)" for domain in ${DOMAINS}; do echo -n " ${domain} - " curl --silent --show-error --insecure --user ${LOGIN} "${UPDATE_URL}?hostname=${domain}" d…

Print Information about a Key

Anonymous (anonymous@undisclosed.example.com) — 2015-01-29T09:15:22+00:00

Print Information about a Key openssl x509 -inform DER -in testkey.cer -noout -text Informations about the used arguments from the OpenSSL man page: * x509: Certificate display and signing utility. * -inform DER: This specifies the input format normally the command will expect an X509 certificate but this can change if other options such as -req are present. The DER format is the DER encoding of the certificate and PEM is the base64 encoding of the DER encoding with header and footer lines …

rmdir for OSX

Anonymous (anonymous@undisclosed.example.com) — 2015-11-25T09:43:44+00:00

rmdir for OSX The Finder on OSX creates .DS_Store files in the directories to store its settings. This makes removing directories from the command line quite complicated: $ rmdir test rmdir: test: Directory not empty $ rm test/.DS_Store $ /bin/rmdir test

jps - Java Virtual Machine Process Status Tool

Anonymous (anonymous@undisclosed.example.com) — 2013-02-19T14:05:55+00:00

jps - Java Virtual Machine Process Status Tool The Java Virtual Machine has a jps tool wich is a bit like the ps command. jps lists all java Processes of a user. You can find the man page at . I'm using it with the parameters -l (long listing) and -m

WiFi Config QR-Code

Anonymous (anonymous@undisclosed.example.com) — 2016-07-14T06:40:34+00:00

WiFi Config QR-Code To generate a qr-code for a wifi config, you must encode the following URL in the qr-code: WIFI:S:;T:;P:;; If the network is hidden, then add H:true;: WIFI:S:;T:;P:;H:true;; You can try it here:

Convert a Key

Anonymous (anonymous@undisclosed.example.com) — 2019-01-17T19:19:12+00:00

Convert a Key Convert P12 to Java Keystore keytool -importkeystore -srckeystore testkey.p12 -srcstoretype pkcs12 -srcalias 1 -destkeystore testkey.jks -deststoretype jks -destalias testkey You can add -deststorepass PASSWORD to set the password on the command line. If you don't, keytool will ask you for a password.

Solaris Manuals

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:37+00:00

Solaris Manuals man pages :!: Tip: You can download the whole collection of man pages as PDF. * Solaris 10 Reference Manual Collection * OpenSolaris Reference Manual Collection solaris manual reference documentation download

Firefox Extensions

Anonymous (anonymous@undisclosed.example.com) — 2013-09-02T20:37:01+00:00

Firefox Extensions Browsing Extensions Extension Description Adblock Plus A must-have. Blocks all these blinking ads which are so anoying. Greasemonkey Customize webpages using JavaScript. WOT, Web of Trust Information about the reputation of a page. Self-Destructing Cookies Removes cookies after closing the tab or navigating to another site.

Virtual Network Visualization

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:36+00:00

Virtual Network Visualization OpenSolaris supports virtual networks using virtual interfaces connected with virtual switches. This feature was introduced with Project Crossbow in OpenSolaris 2009.06. To visualize the internal network(s), I created a perl script which takes the output of

MySQL: Change Password

Anonymous (anonymous@undisclosed.example.com) — 2013-12-17T09:09:25+00:00

MySQL: Change Password * Replace {passwd} with the password of the user. * Replace {user} with the name of the user. GRANT USAGE ON *.* TO '{user}'@'%' IDENTIFIED BY '{passwd}'; FLUSH PRIVILEGES; Or you can alternatively use the following: UPDATE mysql.user SET Password=PASSWORD('{passwd}') WHERE User='{user}'; FLUSH PRIVILEGES;

Automatic Submission of a Form if an Element is changed

Anonymous (anonymous@undisclosed.example.com) — 2013-03-14T08:22:05+00:00

Automatic Submission of a Form if an Element is changed To submit the form if an element changes, you can use onChange="this.form.submit()" Example

Generate a Test Key

Anonymous (anonymous@undisclosed.example.com) — 2014-11-20T08:13:01+00:00

Generate a Test Key openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout testkey.key -out testkey.crt Informations about the used arguments from the OpenSSL man page: * req: PKCS#10 certificate request and certificate generating utility. * -x509: this option outputs a self signed certificate instead of a certificate request. This is typically used to generate a test certificate or a self signed root CA. The extensions added to the certificate (if any) are specified in the configurati…

Compare directories

Anonymous (anonymous@undisclosed.example.com) — 2018-09-19T12:34:39+00:00

Compare directories For each of the directories, generate a digest file: find DIR -type f -exec shasum {} + | LC_ALL=C sort -d -k 2 > shasums.txt It's important to use LC_ALL=C and the option -d of sort, to get compareable results on different machines.

Git

Anonymous (anonymous@undisclosed.example.com) — 2018-12-06T10:07:22+00:00

Git Basics Init Repository Standard: git init [DIR] Bare: git init --bare [DIR] Log See commits between branches: git log master..develop Branches List Branches git branch Switch Branch git checkout BRANCH Delete Branch git branch -d BRANCH Delete Remote Branch

Setting the Timezone

Anonymous (anonymous@undisclosed.example.com) — 2013-03-08T10:45:00+00:00

Setting the Timezone The timezone is stored in the file /etc/timezone. Check the Timezone cat /etc/timezone Example: # cat /etc/timezone Europe/London Set the Timezone You can use vi: vi /etc/timezone Or set it directy: echo "Europe/Berlin" > /etc/timezone

Android Backup

Anonymous (anonymous@undisclosed.example.com) — 2013-04-24T12:11:00+00:00

Android Backup To backup your device, use this command. It will automatically insert the current date in the filename: adb backup -apk -shared -all -f $(date '+%Y-%m-%d').db If you are havong problems with the connection (“adb: unable to connect for backup

init

Anonymous (anonymous@undisclosed.example.com) — 2013-07-03T13:03:11+00:00

init Managing init Scripts To activate an init script (“myscript”): update-rc.d myscript enable To deactivate an init script (“myscript”): update-rc.d myscript remove Further information can be found at Daemon - Debian Wiki sysadmin linux debian cli

Solaris: List Devices

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:37+00:00

Solaris: List Devices To list the system's devices, you can use the following commands: * dmesg * format * prtconf * sysdef solaris sysadmin device cli admin

Package Repositories

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:37+00:00

Package Repositories There's a list of multi-OS repositories at . More on IPS, the Image Package System can be found at: * . * Repository Description OpenSolaris Distribution, Releases OpenSolaris Distribution, Development Quality