# Opens files in tabs
vim -p file1 file2
# Open all searched files
# :args to show file list
# :n to open next file
# :N to open prev file
vim `find . -name "strings.xml"`
# Re-sync syntax highlighting
:syntax sync fromstart$ ssh-keygen
Enter file in which to save the key (/home/petr/.ssh/id_rsa): /home/petr/my.key
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/petr/my.key.
Your public key has been saved in /home/petr/my.key.pub.
The key fingerprint is:
SHA256:t7oRcfThgNf5w8kXl+pg6Xgso/BJtBDt4T42vFUpZ7U petr@pc
The key's randomart image is:
+---[RSA 2048]----+
| . .o... .|
| . o...+oo o.|
| + o.. *+o.o|
| . + + O E* .|
| = S @ o o |
| . O B = . |
| = O = |
| = o |
| o. |
+----[SHA256]-----+To use this key you have 2 choices: run command
ssh -i ~/my.key posvic.euor edit SSH config file and specify IndetityFile for host. Then is no need to use parameter -i.
# ~/.ssh/config
Host posvic.eu
IdentityFile ~/my.keyssh posvic.eu# Resize to width 480 and keep aspect ratio, crop 480x100 from 0 left and 20 top
convert in.png -resize 480x -crop 480x100+0+20 "out.png"files=(Screen*.png)
if [ $files = "Screen*.png" ]; then
echo "No match"
else
# Override or append
files[2]="test1"
# Remove
files=("${files[@]:0:1}" "${files[@]:3:4}")
# Length
echo ${#files[@]}
for file in "${files[@]}"; do
echo "$i"
done
for ((i = 0; i < ${#files[@]}; i++)); do
echo "${files[i]}"
done
ficase "$a" in
"a")
echo "a"
;;
"b")
echo "b"
;;
*)
echo "else"
;;
esacpath="/var/www/html"
echo ${path##*/} # Last directory
# # from beginning, shortest match
# ## from beginning, longest match
# % from end, shortest match
# %% from end, longest matchDuring Windows 10 update some restarts are necessary. Today first update restart broke my Grub and computer refused to boot. I went to BIOS and changed bootloader from Grub to Windows loader. Then Windows update proceed correctly.
Continue readingOfflineimap is tool for syncing mails. But if you delete remote folder after sync it appears again on remote account. I wrote small bash script what solves this problem.
Continue readingI have notebook with Windows 10. I use it sometime and login via fingerprint. Today I realized I don’t know my password! Here are simple steps to change it without old password.
Continue readingIn previous post I wrote about file manager Ranger. In Ranger there is keyboard shortcut Shift + S to execute shell (Bash in my case). You can modify /etc/ranger/config/rc.conf (or your local ~/.config/ranger/rc.conf) and add this line:
map S shell bash --rcfile <(cat ~/.bashrc; echo 'PS1="(ranger) $PS1"')
Then you get your prompt prefixed by (ranger) and always know you are in shell of Ranger.
Ranger is advanced file manager (like mc, Nautilus, Total Commander, …) but it uses key bindings and shortcuts like vim. It is in Debian’s repositories.
fzf (command-line fuzzy finder) is tool for searching files and directories. You can download it from github.com/junegunn/fzf
Continue readingHello everyone! I’ve been writing for my blog www.posvic.cz for several years. It is all in czech and I feel the need to publish my thoughts and work for the wider world. I want keep all posts short and concise, maybe not very suitable for BFU.