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atomicstack
/ edit-path-interactively.sh
Created
March 4, 2021 12:11
A shell function which spawns $EDITOR containing a $PATH declaration
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| function edit-path-interactively() { | |
| eval "$( printf 'export PATH="%s"' "$PATH" | vipe )" | |
| } |
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| key_name="${USER}_$(hostname -s)_$(date +%F)"; echo "creating $HOME/.ssh/${key_name}.pem..."; ssh-keygen -t ed25519 -f "$HOME/.ssh/${key_name}.pem" -C "$key_name" |
atomicstack
/ rpi_temperature-config.txt
Created
May 31, 2021 22:37
a more sensible and less noisy fan config for raspberry pis with the poe hat.
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| dtoverlay=rpi-poe | |
| dtparam=poe_fan_temp0=62000 | |
| dtparam=poe_fan_temp1=64000 | |
| dtparam=poe_fan_temp2=66000 | |
| dtparam=poe_fan_temp3=68000 |
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| # xterm args: | |
| # xterm -fg white -bg black -en utf8 -tn xterm-256color -fa inputmono:size=14 -fn inputmono:size=14 -geometry 90x30 | |
| # see also: | |
| # https://web.archive.org/web/20100616023737/http://yarger.asu.edu/NMR/Xdefaults.html | |
| # https://gist.github.com/tshanks/1145068/e04565f405098193f3fe79b123fa805d0102a5ab | |
| # https://unix.stackexchange.com/questions/332316/configure-unreadable-tiny-small-huge-xterm-fonts | |
| # man xterm | |
| xterm*faceName:inputmono:style=Regular:size=14 |
atomicstack
/ ssh_warning.sh
Created
June 2, 2021 21:37
a zsh thing to run at login time and check whether the user has an ssh-agent
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| red=$(tput setaf 1) | |
| reset=$(tput sgr0) | |
| if [[ -n "${SSH_TTY}" || -n "${TTY}" ]]; then | |
| if [[ $UID == 0 ]]; then | |
| return | |
| fi | |
| if [[ -z "$SSH_AUTH_SOCK" || ! -S "$SSH_AUTH_SOCK" ]]; then | |
| echo -e "${red}no ssh-agent found :(${reset}" | |
| elif ssh-add -l | grep -q "no identities"; then |
atomicstack
/ backup_zsh_history.sh
Last active
June 4, 2021 12:21
back up my zsh history (via crontab) (double check paths before use!)
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| /bin/cat $HOME/.zsh_history | /usr/local/bin/xz > $HOME/.zsh_history.d/zsh_history.$(/usr/local/bin/gdate +%F-%T).xz |
atomicstack
/ cleanup_zsh_history_archive.sh
Created
June 4, 2021 12:20
cleans up duplicate zsh_history files from $PWD (double check paths before use!)
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| ls | egrep --line-buffered 'zsh_history.*xz$' | xargs sha256sum | pv -l -s $( ls | egrep --line-buffered 'zsh_history.*xz$' | wc -l | xargs ) | /usr/local/bin/sponge | perl -naE '$seen{$F[0]}++ or next; unlink $F[1] and say qq{unlinked $F[1]}' |
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| export PS1='%F{226}%m%f %F{33}%d%f %F{160}%#%f ' |
atomicstack
/ ssh_config
Last active
June 15, 2021 11:44
example Match stanza for ssh_config, which executes echo "hello world" before connecting to a (specific) host as a specific username. note: redirection to STDERR is necessary; using STDOUT will result in no output
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| Match host $HOSTNAME exec "echo 'hello world' 1>&2" | |
| User $USERNAME |
atomicstack
/ prune-invalid-git-refs.sh
Created
July 19, 2021 13:24
fixes annoying "error: refs/remotes/origin/${branch_name} does not point to a valid object!"
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| #!/bin/bash | |
| git for-each-ref --format="%(refname)" | while read ref; do | |
| git show-ref --quiet --verify $ref 2>/dev/null || git update-ref -d $ref | |
| done |