https://spacerat.ch/ 2026-04-18T08:48:18+00:00 https://spacerat.ch/ https://spacerat.ch/lib/exe/fetch.php?media=wiki:logo.png text/html 2025-08-06T12:07:30+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?id=bash_oneliners&rev=1754482050&do=diff BASH oneliners * Whats my WAN IP? dig +short myip.opendns.com @resolver1.opendns.com * Find large files, print 10 largest files in dir find . -printf '%s %p\n'|sort -nr|head * size of all files older than mtime find . -mtime +7 -print0 | du -hc --files0-from - | tail -n 1 text/html 2024-12-10T14:06:38+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?id=set_systemd_timer_to_run_sysstat_every_10_seconds&rev=1733839598&do=diff yum -y install sysstat export SYSTEMD_EDITOR=/usr/bin/vim systemctl edit sysstat-collect.timer cat /etc/systemd/system/sysstat-collect.timer.d/override.conf [Unit] Description=Run system activity accounting tool every 10 seconds # Start 10 seconds after boot and repeat every 10 seconds [Timer] OnBootSec=10s OnUnitActiveSec=10s AccuracySec=1s [Install] WantedBy=sysstat.service systemctl daemon-reload systemctl enable --now sysstat sysstat is now collecting data every 10 seconds. (+1sec ex… text/html 2024-12-10T14:06:08+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?id=start&rev=1733839568&do=diff Unix things * Imperial Beep (The Star Wars Imperial March as beeps from the PC speaker) * Bash oneliners * Scrolling in screen * Mathematics in bash * SSH reverse tunneling * vi cheat sheet / swiss german keyboard layout commands * Chrooted bind9 on Jessie * Fix mysql / logrotate error on Jessie * Connect to remote mysql through putty (windows client / linux server) * GeoIP iptables blocking * run sieve filters locally * limit memory/swap usage for bash progs * SSH ses… text/html 2024-12-10T14:05:36+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?id=set_systemd_timer_to_run_every_10_seconds&rev=1733839536&do=diff yum -y install sysstat export SYSTEMD_EDITOR=/usr/bin/vim systemctl edit sysstat-collect.timer cat /etc/systemd/system/sysstat-collect.timer.d/override.conf [Unit] Description=Run system activity accounting tool every 10 seconds # Start 10 seconds after boot and repeat every 10 seconds [Timer] OnBootSec=10s OnUnitActiveSec=10s AccuracySec=1s [Install] WantedBy=sysstat.service systemctl daemon-reload systemctl enable --now sysstat sysstat is now collecting data every 10 seconds. (+1sec ex… text/html 2022-03-28T17:50:01+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?id=sea_saba&rev=1648489801&do=diff Saba is such a beauty, such a grace text/html 2022-03-28T17:49:32+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?image=sea_saba_paypal.png&ns=0&rev=1648489772&tab_details=history&media_do=diff&do=media <img src="https://spacerat.ch/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=b17247&amp;media=sea_saba_paypal.png" alt="sea_saba_paypal.png" loading="lazy" width="500" height="500" /> text/html 2020-02-11T09:24:25+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?id=some_filesystem_benchmarks_compared_regarding_zfs_especially&rev=1581413065&do=diff Some Filesystem Benchmarks compared, regarding ZFS especially [PDF] text/html 2020-02-11T09:22:58+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?image=sc5020_fs_benchmarks-v3-final.pdf&ns=0&rev=1581412978&tab_details=history&media_do=diff&do=media <img src="https://spacerat.ch/lib/images/fileicons/svg/pdf.svg" alt="sc5020_fs_benchmarks-v3-final.pdf" loading="lazy" width="500" height="500" /> text/html 2016-03-30T06:38:08+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?image=attack_stats.png&ns=0&rev=1459319888&tab_details=history&media_do=diff&do=media <img src="https://spacerat.ch/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=56526f&amp;media=attack_stats.png" alt="attack_stats.png" loading="lazy" width="500" height="500" /> text/html 2016-02-23T15:40:03+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?image=putty_mysql2.png&ns=0&rev=1456242003&tab_details=history&media_do=diff&do=media <img src="https://spacerat.ch/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=5650ed&amp;media=putty_mysql2.png" alt="putty_mysql2.png" loading="lazy" width="500" height="500" /> text/html 2016-02-23T15:36:05+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?image=putty_mysql1.png&ns=0&rev=1456241765&tab_details=history&media_do=diff&do=media <img src="https://spacerat.ch/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=b9a726&amp;media=putty_mysql1.png" alt="putty_mysql1.png" loading="lazy" width="500" height="500" /> text/html 2016-02-23T15:35:55+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?image=putty_mysql0.png&ns=0&rev=1456241755&tab_details=history&media_do=diff&do=media <img src="https://spacerat.ch/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=47146d&amp;media=putty_mysql0.png" alt="putty_mysql0.png" loading="lazy" width="500" height="500" /> text/html 2015-12-07T15:00:12+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?image=vi_cheat_sheet.pdf&ns=0&rev=1449500412&tab_details=history&media_do=diff&do=media <img src="https://spacerat.ch/lib/images/fileicons/svg/pdf.svg" alt="vi_cheat_sheet.pdf" loading="lazy" width="500" height="500" /> text/html 2015-12-07T15:00:12+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?image=keyboardlayoutsg.pdf&ns=0&rev=1449500412&tab_details=history&media_do=diff&do=media <img src="https://spacerat.ch/lib/images/fileicons/svg/pdf.svg" alt="keyboardlayoutsg.pdf" loading="lazy" width="500" height="500" /> text/html 2015-09-29T15:19:57+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?image=bos.png&ns=0&rev=1443539997&tab_details=history&media_do=diff&do=media <img src="https://spacerat.ch/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=eb9c7b&amp;media=bos.png" alt="bos.png" loading="lazy" width="500" height="500" /> text/html 2015-09-07T09:30:13+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?image=wiki%3Alogo.png&ns=wiki&rev=1441618213&tab_details=history&media_do=diff&do=media <img src="https://spacerat.ch/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=fbf00d&amp;media=wiki:logo.png" alt="logo.png" loading="lazy" width="500" height="500" /> text/html 2015-09-07T09:00:05+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?image=sr-special1a.gif&ns=0&rev=1441616405&tab_details=history&media_do=diff&do=media <img src="https://spacerat.ch/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=642a4c&amp;media=sr-special1a.gif" alt="sr-special1a.gif" loading="lazy" width="500" height="500" /> text/html 2015-09-07T09:00:05+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?image=sr-special1b.gif&ns=0&rev=1441616405&tab_details=history&media_do=diff&do=media <img src="https://spacerat.ch/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=20b25a&amp;media=sr-special1b.gif" alt="sr-special1b.gif" loading="lazy" width="500" height="500" /> text/html 2015-09-07T08:56:24+00:00 admin (admin@undisclosed.example.com) https://spacerat.ch/doku.php?image=sr004_003.jpg&ns=0&rev=1441616184&tab_details=history&media_do=diff&do=media <img src="https://spacerat.ch/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=7bece2&amp;media=sr004_003.jpg" alt="sr004_003.jpg" loading="lazy" width="500" height="500" />