https://old.andunix.net/ 2026-06-03T23:05:28+00:00 https://old.andunix.net/ https://old.andunix.net/_media/favicon.ico text/html 2013-02-04T22:17:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/solaris/exam_notes 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: text/html 2014-04-28T09:01:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/linux/debian/cleanup_packages 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: text/html 2010-04-21T08:17:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2010/memory_usage_solaris_container_zone Memory Usage of a Solaris Container (Zone) Last week one of my servers ran out of RAM and Swap. Shame on me for not monitoring that, but it's now. As the server is running several zones, my first question was: Which zone is eating up my RAM? So, here are the commands I used. text/html 2013-02-04T22:17:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/script/dyndns_updates_without_client 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… text/html 2013-02-04T22:17:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/script/iconv Change Encoding with iconv Convert Single File iconv -f iso-8859-1 -t utf-8 -o OUTPUT.txt INPUT.txt Converts INPUT.txt from iso-8859-1 to utf-8 and writes it to OUTPUT.txt. Convert All Files in a Directory for f in $(find . -type f) do iconv -f iso-8859-1 -t utf-8 -o ${f}_$$_TEMP ${f} \ && mv ${f}_$$_TEMP ${f} done text/html 2013-02-04T22:17:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/script/tools Command Line Tools Used in My Scripts This is a list of comman dline tools which I use in my scripts an which should be installed on every of my systems. Basic tools (e.g. awk, find, grep, ps) which are always installed are not listed. Audio/Video text/html 2018-09-19T12:34:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/script/compare_directories 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. text/html 2009-08-11T15:06:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2009/zfs_playground ZFS Playground This small demo shows the basic ZFS operations. You will need a Solaris 10 or OpenSolaris host and 1,2GB of disk space. Preparation First, go to a directory where you have enought space. We will need 1,2GB for 6 files of 200MB. The files are named like disks, but they are only files for this demo. text/html 2013-02-19T14:05:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/java/jps 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 <http://java.sun.com/j2se/1.5.0/docs/tooldocs/share/jps.html>. I'm using it with the parameters -l (long listing) and -m