A little bit of wisdom
This command will copy files between servers – ownership of the files changes to the user you used to login to the remote server with. This can be any user with SSH access. tar -czf – directory/ | ssh user@remotehost “tar -xzf -“
I was trying to mount a CIFS / SAMBA share on Debian GNU/Linux 7 (wheezy). I wasn’t being prompted for a password, I would simply get: mount -t cifs -o user=admin //10.1.1.10/BLAH remote/ mount: block device //10.1.1.10/BLAH is write-protected, mounting read-only mount: cannot mount block device //10.1.1.10/BLAH read-only I needed to install “cifs-utils” apt-get install […]
*UPDATED Now replaced with a simple one line command: openssl req -newkey rsa:1024 -keyout my.servername.key -nodes -x509 -days 999 -out my.servername.crt The above command will generate a self signed certificate and key (used for signing the certificate) OLD Method: Generating SSL keys for use with Apache. Two files are required to generate your own secure […]
Using .htaccess files with Apache Outside of your web directory (best in /home/httpd/ ) you need to create the file(s) (you can have more than one) that contain the user names and passwords. Step 1: This can be done thus: htpasswd /home/httpd/.sysinfo admin Note the dot (.) in front of .sysinfo !!!! (that’s a hidden […]
Forcing Duplex at startup – Linux Note: This article is rather old and remains for historical purposes only. alias eth0 e100 options e100 e100_speed_duplex=4 Further information: http://www.scyld.com/diag_index.html
Finding files and directories in Linux – alternate method Find empty directories in the current directory using find -empty find . -type d -empty Use the following command to remove all empty directories under the current directory. find . -type d -empty -exec rmdir {} \; Note: It is not recommended to remove empty directories […]
[Sed] Delete one or more lines from a file Here is how to remove one or more lines from a file. Syntax: sed ‘{[/]||[/]}d’ sed ‘{[/][,][/]d’ /…/=delimiters n = line number string = string found in in line regex = regular expression corresponding to the searched pattern addr = address of a line (number or […]
Finding files and directories in Linux. Case-insensitive file searching with the locate command It’s easy to perform a case-insensitive file search with the Linux locate command: just add the -i flag. To search my entire filesystem for files and directories that contain the string typeahead, just use this command: locate -i typeahead Case-insensitive file searching […]
You can use program called cleanlinks. The cleanlinks program searches the directory tree descended from the current directory for symbolic links whose targets do not exist, and removes them. It then removes all empty directories in that directory tree. It was originally created for symbolic links based directories but works with normal directories too. For […]
This will remove a specific block of text between two pointers. sed ‘/<script type=”text\/javascript”/,/<\/script>/d’ <filename> ..will remove all text between <script…> and </script> (Including the <script> tags. Here is a short shell script to automate this for a bunch of files. #!/bin/bash # ALL HTML FILES FILES=”*.html” # for loop read each file for f […]
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