Linux cli snippets - Revision history

MilosZ at 11:49, 14 September 2022

2022-09-14T11:49:38Z

2022-02-13T19:36:02Z

2021-03-15T13:11:44Z

2020-12-31T12:29:59Z

2020-12-25T14:02:14Z

2020-10-16T15:36:04Z

2020-10-15T15:21:35Z

2020-06-29T20:54:49Z

2020-06-15T16:13:43Z

2020-06-15T16:10:42Z

@@ Line 67: / Line 67: @@
 </pre>
-User iperf to test real bandwidth speed
+=== User iperf to test real bandwidth speed ===
 <pre>
 # iperf -s # run on first machine
 # iperf -c <IP of server> # run on second with ip of first one
 </pre>

@@ Line 65: / Line 65: @@
 <pre>
 # sed -e '/pattern/{n;N;N;N;N;d}' file.txt
 </pre>

@@ Line 56: / Line 56: @@
 <pre>
 # rndc retransfer domain.com
 </pre>

@@ Line 51: / Line 51: @@
 <pre>
 # sgdisk --zap-all /dev/nvme0n1
 </pre>

@@ Line 46: / Line 46: @@
 <pre>
 # find ./ -type f -exec sed -i -e 's/tomato/potato/g' {} \;
 </pre>

@@ Line 25: / Line 25: @@
 === Check ssl expiry date from linux cli ===
 <pre>
-# echo | openssl s_client -showcerts -servername cdn5.motherlessmedia.com -connect cdn5.motherlessmedia.com:443 2>/dev/null | openssl x509 -inform pem -noout -text |grep 'Not After'
+# echo | openssl s_client -showcerts -servername devopsnotebook.com -connect devopsnotebook.com:443 2>/dev/null | openssl x509 -inform pem -noout -text |grep 'Not After'
 </pre>

@@ Line 21: / Line 21: @@
 <pre>
 # openssl x509 -noout -dates -in /path/to/cert.crt
 </pre>

@@ Line 36: / Line 36: @@
 <pre>
 # find /path/to/dir -type f -exec chmod 664 {} + -o -type d -exec chmod 775 {} +
 </pre>

@@ Line 35: / Line 35: @@
 === Change different permissions to files and folders in one run recursively ===
 <pre>
-# find htdocs -type f -exec chmod 664 {} + -o -type d -exec chmod 775 {} +
+# find /path/to/dir -type f -exec chmod 664 {} + -o -type d -exec chmod 775 {} +
 </pre>