From d9aaa77cf5f6c2c554e9793a8f18f83889042818 Mon Sep 17 00:00:00 2001 From: trimstray Date: Thu, 18 Apr 2019 10:55:39 +0200 Subject: [PATCH] minor fixes - signed-off-by: trimstray --- README.md | 34 +++++++++++++++++++++++++--------- 1 file changed, 25 insertions(+), 9 deletions(-) diff --git a/README.md b/README.md index 2d21813..ed43b3d 100644 --- a/README.md +++ b/README.md @@ -1225,8 +1225,8 @@ rm !(*.foo|*.bar|*.baz) ###### Pass multi-line string to a file ```bash -# cat >filename ... - overwrite file -# cat >>filename ... - append to file +# cat >filename ... - overwrite the file +# cat >>filename ... - append to a file cat > filename << __EOF__ data data data __EOF__ @@ -1294,7 +1294,7 @@ for ((i=5; i<=10; ++i)) ; do printf '%02d\n' $i ; done for i in {1..10} ; do echo $i ; done ``` -###### Simple Bash Filewatching +###### Simple Bash filewatching ```bash unset MAIL; export MAILCHECK=1; export MAILPATH='$FILE_TO_WATCH?$MESSAGE' @@ -1323,12 +1323,29 @@ ___ ##### 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 ```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 ```bash @@ -1529,7 +1546,7 @@ ___ top -p $(pgrep -d , ) ``` - * `` - process containing str (eg. nginx, worker) + * `` - process containing string (eg. nginx, worker) ___ @@ -3063,7 +3080,6 @@ httpd.serve_forever() import BaseHTTPServer, SimpleHTTPServer import ssl - httpd = BaseHTTPServer.HTTPServer(('localhost', 4443), SimpleHTTPServer.SimpleHTTPRequestHandler) @@ -3151,9 +3167,9 @@ sed ':a;N;$!ba;s/\n/ /g' /path/to/file sed -e ':a' -e 'N' -e '$!ba' -e 's/\n/ /g' /path/to/file ``` -- `:a` create a label 'a' +- `:a` create a label `a` - `N` append the next line to the pattern space -- `$!` 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) Alternatives: @@ -3269,7 +3285,7 @@ Example: shell> DomainResolve nmap.org nmap.org > 45.33.49.119 -shell> DomainResolve nmap.orgs +shell> DomainResolve nmap.org Unsuccessful domain name resolution. ```