- How do I find all files containing specific text?
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1 2 |
grep -rnw '/path/to/somewhere/' -e 'pattern' |
- How i change the default file permissions (mask that controls file permissions)
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1 2 |
umask |
- Untar (unzip) file
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1 2 |
tar -zxvf archive.tar.gz |
- Copy files via rsync from one host to another
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1 2 |
rsync -av [USER@]HOST[:PORT]/SOURCE [USER@]HOST[:PORT]/DEST |
- nslookup missing? Install dig
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1 2 |
sudo apt-get install dnsutils |
- find without “Permission denied”
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1 2 |
find / -name 'filename.ext' 2>&1 | grep -v "Permission denied" |
- flush dns cache
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1 2 |
sudo systemd-resolve --flush-caches |