andunix.net

Debug Server Certificate from Client

Anonymous (anonymous@undisclosed.example.com) — 2014-04-28T08:07:54+00:00

Debug Server Certificate from Client Credit for this example goes to “ Checking A Remote Certificate Chain With OpenSSL” from langui.sh. openssl s_client -showcerts -connect www.andunix.net:443 Informations about the used arguments from the OpenSSL man page: * s_client: SSL/TLS client program * -showcerts: display the whole server certificate chain: normally only the server certificate itself is displayed.

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

MySQL: Backup

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:25+00:00

MySQL: Backup Export a Database # set or replace the variables $USER, $PASS and $DB mysqldump --add-drop-table -u${USER} -p${PASS} ${DB} Export all Databases individually # set or replace the variables $USER and $PASS DATE_YMD=$(date "+%Y-%m-%d") DATABASES=$(mysql --batch -u${USER} -p${PASS} mysql --execute='show databases') for db in ${DATABASES} do mysqldump --add-drop-table -u${USER} -p${PASS} ${DB} > ${DB}_${DATE_YMD}.sql & bzip2 ${DB}_${DATE_YMD}.sql & # sleep 10 # option…

Change Encoding with iconv

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

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

Android Apps

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:18+00:00

Android Apps Here are some links to Android Apps I'm using. Where available, there are both links, the paid and the free version. * Barcode Scanner * DavDrive / DavDrive Lite * DGT GTD & To-do List * Gleeo Time Tracker * K-9 Mail * KeePassDroid * Note Everything * Öffi - ÖPNV Auskunft * WebDAV Navigator / WebDAV Navigator Lite * Zeiterfassung Pro / Zeiterfassung android app list recommendation

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…

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:

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

Set a Mac's Hostname

Anonymous (anonymous@undisclosed.example.com) — 2015-11-25T08:53:23+00:00

Set a Mac's Hostname To set the permanent hostname, use the scutil utility (enter the desired hostname instead of the_hostname): sudo scutil --set HostName the_hostname Credits * mac osx cli sysadmin

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"

Clear DNS Cache

Anonymous (anonymous@undisclosed.example.com) — 2016-04-05T06:49:10+00:00

Clear DNS Cache To clear the DNS cache on OS X, you first have to flush the cache and then send a signal the the 'mDNSResponder'. dscacheutil -flushcache sudo killall -HUP mDNSResponder mac osx sysadmin dns cache cli

Set the Timezone on Debian

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:38+00:00

Set the Timezone on Debian Just run the following command as root (use su or sudo): dpkg-reconfigure tzdata sysadmin linux debian timezone configure

Install the Java-Plugin for Firefox

Anonymous (anonymous@undisclosed.example.com) — 2014-09-05T12:12:53+00:00

Install the Java-Plugin for Firefox To install the Java plugin for Firefox, you have to create a symlink from Firefox's plugin directory /usr/lib/firefox-addons/plugins/ to the file libnpjp2.so in the JRE's “lib” dir. sudo ln -s \ ${JAVA_HOME}/jre/lib/amd64/libnpjp2.so \ /usr/lib/firefox-addons/plugins/libnpjp2.so