Repos-que-me-gustan/the-book-of-secret-knowledge-copy
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minor fixes

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- signed-off-by: trimstray <trimstray@gmail.com>
This commit is contained in:
trimstray 2019-04-18 10:55:39 +02:00
parent 7de5c33234
commit d9aaa77cf5
1 changed files with 25 additions and 9 deletions
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README.md
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@ -1225,8 +1225,8 @@ rm !(*.foo|*.bar|*.baz)
###### Pass multi-line string to a file ###### Pass multi-line string to a file
```bash ```bash
# cat >filename ... - overwrite file # cat >filename ... - overwrite the file
# cat >>filename ... - append to file # cat >>filename ... - append to a file
cat > filename << __EOF__ cat > filename << __EOF__
data data data data data data
__EOF__ __EOF__
@ -1294,7 +1294,7 @@ for ((i=5; i<=10; ++i)) ; do printf '%02d\n' $i ; done
for i in {1..10} ; do echo $i ; done for i in {1..10} ; do echo $i ; done
``` ```
###### Simple Bash Filewatching ###### Simple Bash filewatching
```bash ```bash
unset MAIL; export MAILCHECK=1; export MAILPATH='$FILE_TO_WATCH?$MESSAGE' unset MAIL; export MAILCHECK=1; export MAILPATH='$FILE_TO_WATCH?$MESSAGE'
@ -1323,12 +1323,29 @@ ___
##### Tool: [fuser](https://en.wikipedia.org/wiki/Fuser_(Unix)) ##### Tool: [fuser](https://en.wikipedia.org/wiki/Fuser_(Unix))
###### Show which processes use the files/directories
```bash
fuser /var/log/daemon.log
fuser -v /home/supervisor
```
###### Kills a process that is locking a file ###### Kills a process that is locking a file
```bash ```bash
fuser -k filename fuser -ki filename
``` ```
* `-i` - interactive option
###### Kills a process that is locking a file with specific signal
```bash
fuser -k -HUP filename
```
* `--list-signals` - list available signal names
###### Show what PID is listening on specific port ###### Show what PID is listening on specific port
```bash ```bash
@ -1529,7 +1546,7 @@ ___
top -p $(pgrep -d , <str>) top -p $(pgrep -d , <str>)
``` ```
* `<str>` - process containing str (eg. nginx, worker) * `<str>` - process containing string (eg. nginx, worker)
___ ___
@ -3063,7 +3080,6 @@ httpd.serve_forever()
import BaseHTTPServer, SimpleHTTPServer import BaseHTTPServer, SimpleHTTPServer
import ssl import ssl
httpd = BaseHTTPServer.HTTPServer(('localhost', 4443), httpd = BaseHTTPServer.HTTPServer(('localhost', 4443),
SimpleHTTPServer.SimpleHTTPRequestHandler) SimpleHTTPServer.SimpleHTTPRequestHandler)
@ -3151,9 +3167,9 @@ sed ':a;N;$!ba;s/\n/ /g' /path/to/file
sed -e ':a' -e 'N' -e '$!ba' -e 's/\n/ /g' /path/to/file sed -e ':a' -e 'N' -e '$!ba' -e 's/\n/ /g' /path/to/file
``` ```
- `:a` create a label 'a' - `:a` create a label `a`
- `N` append the next line to the pattern space - `N` append the next line to the pattern space
- `$!` if not the last line, ba branch (go to) label 'a' - `$!` if not the last line, ba branch (go to) label `a`
- `s` substitute, `/\n/` regex for new line, `/ /` by a space, `/g` global match (as many times as it can) - `s` substitute, `/\n/` regex for new line, `/ /` by a space, `/g` global match (as many times as it can)
Alternatives: Alternatives:
@ -3269,7 +3285,7 @@ Example:
shell> DomainResolve nmap.org shell> DomainResolve nmap.org
nmap.org > 45.33.49.119 nmap.org > 45.33.49.119
shell> DomainResolve nmap.orgs shell> DomainResolve nmap.org
Unsuccessful domain name resolution. Unsuccessful domain name resolution.
``` ```