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linux-commandline-tips [2019/03/13 00:15] serbizadmin [Find Stuff] |
linux-commandline-tips [2020/07/15 09:29] serbizadmin [Compression] |
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| ~~NOTOC~~ | ~~NOTOC~~ | ||
| ====== Find Stuff====== | ====== Find Stuff====== | ||
| - | * looking for duplicate filenames in 2 directories | + | * looking for **duplicate** filenames in 2 directories |
| < | < | ||
| fdupes --recurse dir1/ dir2/ </ | fdupes --recurse dir1/ dir2/ </ | ||
| - | * find a word in a file | + | * find a **word** in a file |
| < | < | ||
| grep -rnw '/ | grep -rnw '/ | ||
| - | * find all socket files your system runs | + | * find all **socket** files your system runs |
| < | < | ||
| find / -type s | find / -type s | ||
| Line 37: | Line 37: | ||
| cat /dev/null > modsec_audit.log</ | cat /dev/null > modsec_audit.log</ | ||
| See also "log rotate" | See also "log rotate" | ||
| + | * remove everything else except... | ||
| + | < | ||
| + | rm -rf !(filename)</ | ||
| + | This works only if extglob is enabled. So | ||
| + | < | ||
| + | shopt -s extglob</ | ||
| \\ | \\ | ||
| + | ====== Compression====== | ||
| + | * lossless, multi-thread compression: | ||
| + | < | ||
| + | time xz -6ve -k --threads=0 < | ||
| + | </ | ||
| + | * compress multiple files | ||
| + | < | ||
| + | xz file1.txt file2.txt file3.txt | ||
| + | </ | ||
| + | * decompress | ||
| + | < | ||
| + | xz -d file.txt.xz | ||
| + | unxz file.txt.xz | ||
| + | </ | ||
| + | * test integrity | ||
| + | < | ||
| + | xz -tv < | ||
| + | </ | ||
| + | * concatenate multiple files | ||
| + | < | ||
| + | xzip -c file1.txt > files.xz | ||
| + | xzip -c file2.txt >> files.xz | ||
| + | </ | ||
| + | * concatenate, | ||
| + | < | ||
| + | xzcat test.txt.xz | ||
| + | test | ||
| + | | ||
| + | text | ||
| + | xzgrep exa test.txt.xz | ||
| + | | ||
| + | </ | ||
| + | |||
| ====== PHP====== | ====== PHP====== | ||
| * View php config | * View php config | ||
| Line 47: | Line 86: | ||
| php -i | grep in | php -i | grep in | ||
| </ | </ | ||
| + | \\ | ||
| + | * reinstall all php packages | ||
| + | < | ||
| + | apt-get install --reinstall `dpkg -l | grep ' | ||
| + | </ | ||
| + | ====== Log Analysis====== | ||
| + | * limiting by date range | ||
| + | |||
| + | sed -n '/ | ||