Objective: Decompile Android APK files to enable making changes to resource files, smali files, AndroidManifest.xml files, etc. After making changes, recompile the modified code into a signed APK and install the modified APK file to phone.
Objective: Fetch the contents of a HTTP URL and save the contents in a variable in a shell script.
Objective: You open a file for editing on vi but you do not have write permissions for that file. You make changes and when you try to save changes, you get the infamous error “E212: Can’t open file for writing” from vim / vi editor. You realise that you forgot to execute vi with sudo. How do you save the file without creating a temporary file?
It’s been almost 6 years since I wrote the article to bypass split tunneling restriction on Juniper Network Connect. It’s now time to bypass the split tunneling restriction on VPNs running on Juniper Junos Pulse (or Pulse Secure).
Objective: Change the IO scheduler of a disk (or block device) at run time to improve IO performance or throughput.
Objective: Escape or append a ‘\’ to reserved characters (e.g &, \, |, ?, *, etc) found on a string variable in bash.
Objective: Remove all blank and empty lines from a text file on Linux.
Objective: Map a UUID (universally unique identifier ) to a device and vice versa on Linux.
Objective: Remove the digital signature from a Microsoft Windows DLL or EXE file.
Objective: Create a Linux filesystem or partition using RAM for extremely fast access.
