# How do /r/linuxers share custom dotfiles?

http://www.reddit.com/r/linux/comments/1j7y7x/how_do_rlinuxers_share_custom_dotfiles/

# Logcheck, be lazy with checking logs

http://logcheck.org/

https://www.youtube.com/watch?v=1QgbnK45IRg&feature=player_detailpage&list=PL170C8C4DDB2961B2&t=2999

https://www.reddit.com/r/homelab/comments/2fgt30/monitoring_logs_with_elk_logstash_kibana/

## Network monitoring

# Pretty Ping!

http://www.reddit.com/r/linux/comments/1op98a/prettypingsh_a_better_ui_for_watching_ping/

# Other

https://www.reddit.com/r/linux/comments/2s1q28/useful_commandline_network_monitors_on_linux/

# How to run a process on a specific core

http://xmodulo.com/2013/10/run-program-process-specific-cpu-cores-linux.html

# How to kill process

http://www.cyberciti.biz/faq/kill-process-in-linux-or-terminate-a-process-in-unix-or-linux-systems/

# How to roll out your own Debian distro

http://www.staldal.nu/tech/2011/12/11/how-to-roll-your-own-debian-based-linux-distro/

# Linux 2FA

http://www.reddit.com/r/linux/comments/2b4u4n/2_factor_authentication_backup_2fa_software_for/

# OTP (GAuth) @ CLI

http://otp.readthedocs.org/en/latest/

# Run stuff collaboratively on a server.

http://www.reddit.com/r/sysadmin/comments/tqo7b/til_rundeck_is_a_great_tool_to_run_commands/

# Generate random strings

http://www.howtogeek.com/howto/30184/10-ways-to-generate-a-random-password-from-the-command-line/

# twander file manager

http://www.reddit.com/r/linux/comments/1ydl8t/pcman_file_manager_120_gets_separated_desktop/cfjuw9u

# Why u no open hardware :(

http://www.reddit.com/r/linux/comments/20zg0h/first_ubuntu_tablets_to_launch_this_autumn/cg86z25

# About docs

http://www.reddit.com/r/linux/comments/24jzyg/well_thats_a_super_helpful_installation_error/ch887pw

# Pipe through Internet!

http://www.reddit.com/r/linux/comments/24uyqo/til_you_can_pipe_through_internet/

# LUKS data encryption

http://www.reddit.com/r/linux/comments/2bgnwp/encrypt_your_data_using_luks/

# cgroups

http://lwn.net/Articles/603762/

# Persistent (full?) install linux on usb for multiple computers with little to no damage? (self.linux)

http://www.reddit.com/r/linux/comments/2gqovx/persistent_full_install_linux_on_usb_for_multiple/

# 3D filesystem browser

https://www.reddit.com/r/linux/comments/2hky9x/tdfsb_3d_filesystem_browser/

# IPcalc

http://jodies.de/ipcalc

# Photoshop on Linux

https://www.reddit.com/r/linux/comments/2nbe8y/it_can_be_done_photoshop_cs5_on_linux_with_wine/

# Data recovery

https://www.reddit.com/r/linux/comments/2ov9tu/safecopy_recover_data_from_corrupt_media/

[[[ General resources & Blogs ]]]

http://www.reddit.com/r/linux/comments/21rm3o/what_is_a_useful_linux_tool_that_you_use_that/

http://www.reddit.com/r/linux4noobs/comments/2ao9tp/want_to_learn_to_be_a_linux_sysadmin/

http://inconsolation.wordpress.com/index/

http://www.catonmat.net/blog/bash-one-liners-explained-part-one/

http://www.howtogeek.com/howto/ubuntu/keyboard-shortcuts-for-bash-command-shell-for-ubuntu-debian-suse-redhat-linux-etc/

http://mindspill.net/computing/linux-notes/

http://conqueringthecommandline.com/

http://n0where.net/open-source-sysadmin-resources/

https://help.ubuntu.com/community/Servers

# installgentoo

https://wiki.installgentoo.com/index.php?title=Main_Page

# About filesystem

http://www.reddit.com/r/linux/comments/1ypoz8/take_the_linux_filesystem_tour/

# Hardlinks & Softlinks

http://www.reddit.com/r/linux/comments/251mb8/the_difference_between_hard_and_soft_links/

# X11 / Xorg / graphics stack explained

http://www.reddit.com/r/linux/comments/2acvmo/explaining_x11_for_the_rest_of_us/

http://www.reddit.com/r/linux/comments/2b8ap8/heartwrenching_story_of_opengl/

http://www.reddit.com/r/linux/comments/1twuhi/xplain_explaining_x11_for_the_rest_of_us_jasper/

# (Illustrated) SSH

http://chamibuddhika.wordpress.com/2012/03/21/ssh-tunnelling-explained/

http://www.unixwiz.net/techtips/ssh-agent-forwarding.html

https://www.reddit.com/r/linux/comments/2iflp3/prefixed_multihop_ssh_wildcard_configurations/

https://www.reddit.com/r/linux/comments/2r539r/why_arent_we_using_ssh_for_everything/

# The Fascinating World of Linux System Calls (sysdigcloud.com)

https://www.reddit.com/r/linux/comments/2pm6lo/the_fascinating_world_of_linux_system_calls/

# systemd for Administrators, Part 1

http://0pointer.de/blog/projects/systemd-for-admins-1.html

# systemd for users

http://www.reddit.com/r/linux/comments/2dvmdn/what_do_you_as_a_user_love_about_systemd/

# Rsync difference between --checksum and --ignore-times options

http://serverfault.com/questions/211005/rsync-difference-between-checksum-and-ignore-times-options

# wget useful commands

https://www.reddit.com/r/opendirectories/comments/2rfg79/20_wget_commands_that_can_be_used_to_accomplish/

# Rute User's Tutorial and Exposition

http://rute.2038bug.com/index.html.gz

# Explains commands and their flags. VERY USEFUL!

http://explainshell.com/

# IBM developer works

http://www.ibm.com/developerworks/linux/

# Debian minimal

http://linuxforcynics.com/how-to/minimal-debian-install

http://ask.debian.net/questions/what-s-the-first-thing-you-do-after-you-install-debian

# BroPages

http://bropages.org/browse

# Cron syntax in plain English

http://cronchecker.net/

# Install WordPress on CentOS 6.x

http://www.geekpeek.net/install-wordpress-on-centos/

http://www.tecmint.com/install-wordpress-using-lamp-or-lemp-on-rhel-centos-fedora/

# iptables

https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Security_Guide/sect-Security_Guide-IPTables.html

http://www.linuxtopia.org/online_books/centos_linux_guides/centos_linux_security_guide/s1-fireall-ipt-act.html

http://www.cyberciti.biz/faq/rhel-fedorta-linux-iptables-firewall-configuration-tutorial/

http://diaryproducts.net/about/operating_systems/unix/nmap_port_scanner_iptables_firewall

# GRUB

http://ubuntuforums.org/showthread.php?t=1195275

http://www.reddit.com/r/linux4noobs/comments/2ex4ex/short_introduction_into_grub_internals/

# Visualize memory

https://www.reddit.com/r/linux/comments/2mrrjb/how_to_visualize_memory_usage_on_linux/

# inotify (trigger)

https://www.reddit.com/r/commandline/comments/2runmh/how_you_can_use_inotifytools_to_monitor_file/

[ Nginx ]

# docs

https://github.com/ngx/docs

http://wiki.nginx.org/Main

# Optimizing nginx

http://blog.zachorr.com/nginx-setup/

# How to redirect nginx

http://www.servernoobs.com/nginx-redirect-url-with-http1-1-301-moved-permanently-header/?doing_wp_cron=1393287314.0689818859100341796875

# Hardening nginx with better cyphers

https://www.reddit.com/r/netsec/comments/2pqsx9/harden_ssl_in_nginx_with_stronger_ciphers_newer/

[ Docker ]

http://www.reddit.com/r/linux/comments/2bxxye/introduction_to_docker/

http://www.reddit.com/r/linux/comments/2c1csz/whos_using_docker/

http://www.reddit.com/r/linux/comments/2bedwv/docker_security_with_selinux/

https://github.com/shofetim/docker-skype

[ Namespaces ]

https://www.reddit.com/r/linux/comments/2n7mol/linux_namespaces_powerful_isolation_os_level/

https://www.reddit.com/r/linux/comments/2n17b7/a_guide_to_linux_namespaces_and_environment/

[ tmux ]

http://www.reddit.com/r/linux/comments/2arczq/learn_tmux_with_minimul/

http://www.reddit.com/r/commandline/comments/240oyo/mucks_a_session_manager_for_gnu_screen_and_tmux/

http://www.reddit.com/r/commandline/comments/25tcfk/practical_tmux/

# Memory leak improvement under Linux - http://tmux.kpaste.net/ee9c3

[ LOL / regex ]

http://www.bbc.co.uk/news/world-europe-12985082

http://stackoverflow.com/questions/1732348/regex-match-open-tags-except-xhtml-self-contained-tags/1732454

# Validating e-mail addresses, easy way, and the hard way.

http://blog.mattheworiordan.com/post/13174566389/url-regular-expression-for-links-with-or-without-the

http://www.ex-parrot.com/pdw/Mail-RFC822-Address.html

# Intro to regex

http://www.youtube.com/watch?v=EkluES9Rvak

# Awk primer

http://www.reddit.com/r/linux/comments/29hskb/an_awk_primer_wikibooks_open_books_for_an_open/

[ LaTeX ]

www.latextemplates.com

https://www.writelatex.com/

http://www.reddit.com/r/linux/comments/2clx22/learning_latex_on_linux/

[ YouTube chans ]

https://www.youtube.com/channel/UCbNxlZZVmfP8n84ag-rGpMg/videos

https://www.youtube.com/user/theurbanpenguin/videos?view=1&flow=list

https://www.youtube.com/user/sabiddle/videos

# scripting

http://www.youtube.com/playlist?list=PLcUid3OP_4OXOUqYTDGjq-iEwtBf-3l2E

[[[ ~ Audio ~ ]]]

http://www.reddit.com/r/linux/comments/1nun4f/using_linux_to_make_music_whats_the_deal/

https://www.reddit.com/r/linux/comments/2iwd2y/is_linux_suitable_for_audio_recordingproduction/

https://wiki.archlinux.org/index.php/Pro_Audio

http://alsa.opensrc.org/

http://tuxradar.com/content/how-it-works-linux-audio-explained

http://stackoverflow.com/questions/20118941/linux-audio-sub-systems

http://0pointer.de/blog/projects/guide-to-sound-apis.html

https://forum.ableton.com/viewtopic.php?f=4&t=187391

https://github.com/wedesoft/hornetseye-alsa

https://github.com/torvalds/linux/tree/master/Documentation/sound/alsa

http://manual.ardour.org/synchronization/latency-and-latency-compensation/

http://www.reddit.com/r/linux/comments/236a5l/can_someone_make_something_akin_to_wayland_but/

# Dynamic Range Compression for PulseAudio

https://www.bfccomputing.com/dynamic-range-compression-for-pulseaudio/

# ALSA / Pulseaudio for pro audio discussion

https://www.reddit.com/r/linux/comments/2hv73a/what_is_the_one_thing_you_wish_linux_had_natively/ckwd9mk

# Config

http://wiki.linuxaudio.org/wiki/system%20configuration#build_your_own_real-time_kernel_on_debian_wheezy_or_later

http://www.penguinproducer.com/Blog/2011/12/setting-up-a-studio-with-ubuntu/

# RIP CDs

https://www.reddit.com/r/linux/comments/2ijhdj/gnu_ddrescue_119_released/cl2pofg

# Speech / Voice recognition

http://grasch.net/node/22

https://www.reddit.com/r/linux/comments/2jhzle/the_state_of_voice_recognition_software_within/https://www.reddit.com/r/linux/comments/2jhzle/the_state_of_voice_recognition_software_within/

# Learn piano

http://pianobooster.sourceforge.net/

# The power of (GC)C

echo "main(i){for(i=0;;i++)putchar(((i*(i>>17|i>>9)&46&i>>3))^(i&i>>10|i>>100));}" | gcc -w -x c - && ./a.out | aplay

# Troubleshooting

lsusb / lspci

cat /proc/asound/cards

aplay -l

aplay-L

[[[ GAEMZ ]]]

# TribesNext (Tribes2 re-implementation) under Linux

http://www.tribesnext.com/forum/index.php?topic=2095.0

http://www.youtube.com/watch?v=fdyxo_tauNQ

# RetroRig

http://www.reddit.com/r/LinuxActionShow/comments/25wndc/retrorig_a_personal_project_i_hope_everyone/

[[[ Damage ]]]

[ Prevent ]

# Backup ideas

https://www.reddit.com/r/linux/comments/2qtyby/what_does_rlinux_use_to_backup_their_computers/

# How to shred recursively in directories

http://www.linuxforums.org/forum/miscellaneous/46693-how-shred-entire-directory-tree.html#post257616

# What to do when altering remote machines

http://www.reddit.com/r/linux/comments/1kdf37/what_are_some_of_your_major_linux_fk_ups/cbnzb11

[ Control ]

http://serverfault.com/questions/218005/how-do-i-deal-with-a-compromised-server

[[[ Shell & Scripting ]]]

http://www.reddit.com/r/linux/comments/2foinb/what_is_the_exact_difference_between_a_terminal_a/

http://mywiki.wooledge.org/

http://wiki.bash-hackers.org/doku.php

http://www.gnu.org/software/bash/manual/bashref.html#Introduction

http://www.reddit.com/r/linux/comments/235v51/better_bash_scripting_in_15_minutes/

http://guide.bash.academy/

http://tldp.org/HOWTO/Bash-Prog-Intro-HOWTO.html

# About terminals

http://linuxgazette.net/137/anonymous.html

# Customization

http://www.reddit.com/r/commandline/comments/23c4us/the_bash_prompt/

https://www.reddit.com/r/linux/comments/2iytrs/terminalsexy_terminal_color_scheme_designer/

# Bash search suggest box

http://www.reddit.com/r/linux/comments/2a4b80/bash_history_suggest_box/

# Moar advice

http://www.reddit.com/r/linux/comments/2dwe4y/dae_have_a_bash_script_template_you_generally/

# Bash vs. Zsh

http://www.reddit.com/r/linux/comments/2fubpn/zsh_proscons/

# How does the Shellshock exploit work?

http://fedoramagazine.org/shellshock-how-does-it-actually-work/

https://www.reddit.com/r/linux/comments/2hlwwz/stackexchanges_top_answer_on_shellshock_and_why/

# Fav minimalist CLI apps

https://www.reddit.com/r/linux/comments/2psson/whatre_your_favorite_cli_and_minimalistic/

[ VIM ]

# Learn

https://raw.github.com/dahu/LearnVim/master/doc/learnvim.txt

http://dahu.github.io/vim_waz_ere/

https://github.com/dahu/VimRegexTutor

http://www.youtube.com/user/MinuteVimTricks/videos

http://www.reddit.com/r/linux/comments/264hl2/learn_to_love_vim/

http://www.reddit.com/r/linux/comments/29by6c/so_i_now_want_to_learn_vim_and_use_it_as_python/

http://pascalprecht.github.io/2014/03/18/why-i-use-vim/

http://of-vim-and-vigor.blogspot.de/2012/06/art-of-edits-i-weaponry.html

http://www.reddit.com/r/linux/comments/1kdvq5/til_that_vim_has_tabs_thats_wonderful/

http://stackoverflow.com/questions/1218390/what-is-your-most-productive-shortcut-with-vim

http://stackoverflow.com/questions/11489428/how-to-make-vim-paste-from-and-copy-to-systems-clipboard

http://vimcasts.org/

# book

http://pragprog.com/book/dnvim/practical-vim

# counter-argument

http://www.reddit.com/submit?url=http%3A%2F%2Fdelvarworld.github.io%2Fblog%2F2013%2F03%2F16%2Fjust-use-sublime-text%2F

# Color schemes

https://code.google.com/p/vimcolorschemetest/

# Plugins

http://www.reddit.com/r/linux/comments/29a0ya/vim_awesome/

http://lsh.io/plugtalk/#48

[[[ Drama ]]]

http://www.reddit.com/r/linux/comments/1z0vig/ffmpeg_may_return_to_debian_and_by_extend_ubuntu/cfpjqtj

[[[ urxvt ]]]

https://wiki.archlinux.org/index.php/rxvt-unicode

http://wiki.afterstep.org/index.php?title=Rxvt-Unicode_Configuration_Tutorial

http://manpages.ubuntu.com/manpages/precise/man7/urxvt.7.html

[[[ FreeNAS ]]]

# Check temps

http://forums.freenas.org/index.php?threads/how-to-monitor-system-cpu-hdd-mobo-gpu-temperatures-on-freenas-8.2994/

# Checklist

https://www.reddit.com/r/freenas/comments/1vw9ic/thinking_about_freenas_but_getting_overwhelmed/

# Backup config files automatically

https://forums.freenas.org/index.php?threads/backup-config-file-every-night-automatically.8237/

# Persistent changes in the filesystem - http://kpaste.net/a2c0299

# The connection problem:

https://www.reddit.com/r/linux4noobs/comments/2q2cn1/i_want_to_connect_to_my_isolated_nas_but_at_the/

# Solutions:

http://lamarque-lvs.blogspot.nl/2011/11/networkmanager-per-device-routing.html

http://askubuntu.com/questions/89364/force-network-manager-to-use-wireless-for-an-internet-connection

https://superuser.com/questions/9586/how-do-i-setup-ubuntu-linuxs-network-manager-to-selectively-route-network-traff

http://ubuntuforums.org/showthread.php?t=2161887

[[[ Hardware ]]]

http://www.reddit.com/r/linux/comments/22cnui/pc_engines_apu_system_boards_3x_gige_2_or_4_gb/

http://www.reddit.com/r/linux/comments/226izd/intel_releases_99_minnowboard_max_an_opensource/

[[[ TODO: ]]]

Learn the filesystem hierarchy and major bits such as your bootloader, init system or systemd, etc

File shares (Samba, NFS, iSCSI)

Network Services (SSHD, DNS, DHCP, PXE, TFTP, FTP, etc)

Automation (Scripting, Configuration management ie Ansible, Puppet, Chef, Saltstack)

Hardening, Security and Accounts (IPTables, SELinux, patching/repository management, cgroups, encryption, permissions, ldap and kerberos SSO)

======================================================================

HANDY COMMANDOS

---

# Archive directory

tar -cvWf archive_name.tar dir_name

# Extract archive

tar -xvf archive_name.tar

# GPG encrypt

gpg -ac archive_name.tar

# GPG decrypt

gpg -d archive_name.tar.asc > archive_name.tar

---

# CLI pastebin alias

alias apaste='curl -F '\''paste=<-'\'' http://apaste.info/store'

# Do The Right Extract

http://brettcsmith.org/2007/dtrx/

# How to check install size of packages (debian based)

dpkg-query -Wf '${Installed-Size}\t${Package}\n' | sort -n | less

# Badblocks

badblocks -nsv -p2 -o ./badblocksresult.txt /dev/sdX

# Watch progress of dd

watch -n 1 killall -USR1 dd

# What's the best rsync command?

rsync -avPHSxh

# Superfind

http://stackoverflow.com/questions/16956810/finding-all-files-containing-a-text-string-on-linux

# List only dirs and files starting with a . (dot)

ls -d .[^.]*

diff <(ls /tmp/folder1) <(ls /tmp/folder2) # diff output of 2 commands

diff -r /tmp/folder1 /tmp/folder2 # diff 2 dirs

# Substitute string1 to string2 in every file in a given path

find path -type f -exec sed -i 's/string1/string2/' {} \;

## in vim:

# Visually select a block of text and prepend a '#' to it

1. Visually select block

2. Ctrl+v I # Esc

# Do the reverse (remove prepending '#' characters)

1. Visually select block

2. Ctrl+v 0 x