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| Line 2: |
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| ! general tasks | | ! general tasks |
| |- | | |- |
| |[[Flash Drives]] | | |[[Flash Drives]] - [[Scripts]] |
| {| class="mw-collapsible mw-collapsed wikitable" | | {| class="mw-collapsible mw-collapsed wikitable" |
| ! master keyboard shortcuts map | | ! master keyboard shortcuts map |
| Line 27: |
Line 27: |
| sudo apt-get upgrade # Strictly upgrades the current package | | sudo apt-get upgrade # Strictly upgrades the current package |
| sudo apt-get dist-upgrade # Installs updates (new ones) | | sudo apt-get dist-upgrade # Installs updates (new ones) |
| |}
| |
| {| class="mw-collapsible mw-collapsed wikitable"
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| ! script favs
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| |-
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| | COMMANDS WORTH REMEMBERING
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|
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| My scripts:
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| sc show most-common quick-scripts
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| greplogs blah search all my log files (named ToDo.txt) for "blah"
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| greplogs blah -C 3 search all my log files (named ToDo.txt), and show 3 surrounding lines of context
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| grepcode blah -C 3 same, but search code files underneath the current dir (h|hpp|cpp|pl|php)
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| restart_process_as_needed.pl name=#path/file#
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| checks for process named 'file'; if not found, starts path/file
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| pk substring prompt to kill all processes with 'substring'
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| General-purpose:
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| cp -axv drive drive_backup clone an unmounted linux system
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| ps ax|grep blah show running processes with "blah" in them
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| lsof -c cp show open files for any process starting with "cp"
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| lspci list all the hardware using the PCI bus (video cards, etc)
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| watch #command# repeat the command every 2 secs (default), showing output
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| tail -f #logfile# display the tail end of the logfile, in realtime
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| shutdown -rF now reboot, forcing an fsck on startup (or, put a [forcefsck] file in drive root)
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| fuser -m /dev/hdb1 find open files on a drive, then processes that have the file(s) open
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| /dev/hdb1: 538
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| ps auxw|grep 538
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| donncha 538 0.4 2.7 219212 56792 ? SLl Feb11 11:25 rhythmbox
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| wc -l file count lines - can pipe to it too
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| find / -name "libjpeg*" brute-force find (in this case, all libraries starting with jpeg...)
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| iostat -dx 5 report on drive % utilization etc ("emerge systat" to get it)
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| iotop top for io, of course
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| hdparm -t /dev/sda tests actual speed of hard drive
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| Ubuntu-specific:
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| xrandr --output DVI-I-2 --off && xrandr --output DVI-I-2 --auto --right-of DVI-I-1 fixes lost monitor, also try arandr
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| sudo software-center [XXX.deb] to go to software center; specify a deb file to install (steam etc).
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| sudo unity-control-center all settings; also a pathway to upgrading and selecting nvidia driver
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| sudo lsb_release -a display the ubuntu version
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| Gentoo-specific (see [http://news.thedigitalmachine.com/category/chatter/gentoo-notes/ blog] for USE flag notes):
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| elogviewer X app to list installed packages including installation notes
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| genlop -lu show the history of merged and unmerged packages
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| eix #search# search for all packages (available AND installed)
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| eix --world -c condensed list of all packages in your [world]
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| emerge -Davu blah emerge package blah (if needed), confirming first
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| dispatch-conf handles updating of config files after emerge, see /etc/dispatch-conf.conf
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| equery uses #package# show USE flags of package
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| equery depends #pkg# show packages that depend on package
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| equery belongs #file# show the package to which the file belongs
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| equery hasuse #flag# shows packages that have the USE flag
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| equery depgraph --depth=# #pkg# shows the entire dependency tree for pkg
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| eix-sync grabs latest package list, updates portage and eix (usually called via cron)
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| emerge --emptytree --update world CAREFUL, this reinstalls EVERYTHING :>
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| Apps:
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| alsamixer set 7.1-channel HD audio volume levels
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| alsa-config test, set optimal audio levels
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| mythfilldatabase fill TV listings database
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| For development:
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| git rebase --hard HEAD throw away your local changes that have not yet been committed
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| git rebase --hard master force the current branch to match master (losing ALL commits!)
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| cvs history -c [file] get list of revisions for [file]
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| cvs diff -r 1.2 [file] compare past revision to current
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| cvs diff -r 1.3 -r 1.2 [file] compare two revisions
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|
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| Run sc to get the latest list:
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| -----------------------------------------------
| |
| /^\v/^\v/^\v/^\v/^\v/^\v/^\v/^\v/^\v/^\v/^\v/^\
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| -----------------------------------------------
| |
| useful commands and scripts
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| _______________________________________________
| |
| \v/^\v/^\v/^\v/^\v/^\v/^\v/^\v/^\v/^\v/^\v/^\v/
| |
| ---------------------------------------------
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|
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| i3[scriptname] run an i3-specific script
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| equery files pkg show package files, use |less
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| elogv[iewer] browse recent emerges and comments
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| edit_fluxbox_menu edit and apply fb menu changes
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| edit_firewall edit, restart iptables w/screen
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| mdb-[] access db tools
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| gtdm;gw;gd;gwa go to tdm|wimpy|dune|wally via ssh
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| greplogs [term] search logs for term [-C 3]
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| grepcode [term] search code in curr dir for term
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| ds [dir] get directory sizes
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| pk [proc_regex] kill matches - type ALL for -9
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| lsof -c [proc] show open files for process
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| which|whereis app show app location|paths
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| alsamixer adjust sound levels
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| eq finally an eq in linux, yay!
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| watch [command] repeatedly run command
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| rs restore screen (w/detach)
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| st;gt search/get torrents
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| post_torrent run from m@wimpy:rrip/flac (or mp3)
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| srd [#] show most recent downloads
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| move_and_resymlink symlink destdir
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| resymlink symlink destdir (if file is already there)
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| rm_torrent.pl torrent cleanup; run for usage
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| extract_tordir extract dir from .torrent
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| ls_broken_symlinks uses curr dir
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| ls_nonsymlinks uses curr dir
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| rm_broken_symlinks uses curr dir, WILL rm THEM
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| td;etd show/edit active todo w/cvs
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| top top resource-consuming procs
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| apachetop -f log site-specific apache requests
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| ex;em emacs with/without X
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| uc;cm cvs update/commit (no message)
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| sp;ep search/edit private data
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| edit_spam_[rules|settings] what it says
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| edit_sieve_rules edit mailfilter rules
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| tree -fid -L 1 great tree display of dir & files
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| edit_torrent_[] shows (common) or rss (rare)
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| search_xbmc_keys search key file for term
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| edit_world edit portage master pkg list
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| xscreensaver-demo then select Disable to turn off
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| recordmydesktop does what it says
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| bandwidth monitor current bw usage
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| edit_rsync_jobs edit bp<->tdm nightly rsync
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|
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| trac-tda $1 $2 trac admin tool, RUN AS ROOT
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| erase_trac_ticket_block 17 20 blah (run as root)
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| update_ampache_tda update music catalog, RUN AS ROOT
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| edit_gentoo_grub_cfg set up gentoo kernels on 3-boot
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|
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| htdj/*_scripts/push_release(.bat)
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| get_ampache_official changes
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| publish_hangthedj_ampache_module
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| get_ampache_official changes
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| cdh;huc;hcm;hpush scripts to manage hangthedj repos
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| also see scripts/git_* helpers
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| ec2-ubuntu-ssh ssh to amazon ec2 server
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| mp3search search (and optionally copy mp3s
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| |} | | |} |
| {| class="mw-collapsible mw-collapsed wikitable" | | {| class="mw-collapsible mw-collapsed wikitable" |