I have some server-only users for things like CI or media streaming that I have removed shell access from for security. sometimes however I need to login to them to test something or fix something. well here’s a very easy way to su over to them without setting their shell to something else and then setting it back.
Normally you would use
su usernameinstead just use
su -s /bin/bash username
Linux Code snippet. Ever wated to batch create thumbnails? “musclecarr” posted this bash script to create thumbnails of all images of a specific type. It uses imagemagick and specifically the convert command. minor modifications done to it and comments added for easy understanding, here it is : #!/bin/bash # take argument or use current dir…
It seems sometimes you get a new package from somewhere and its just an update for an older package but from a different author, or a slightly different functioning bin. The dpkg-divert command allows you to replace a binary installed upon the system, and have this replacement persist even if you upgrade packages. One common reason to…
Mysql tuner telling you to optimize your tables? or you just happen to be bored? Mysql optimize Reorganizes the physical storage of table data and associated index data, to reduce storage space and improve I/O efficiency when accessing the table. The exact changes made to each table depend on the storage engine used by that…
Secure Copy (SCP) provides a secure and authenticated method for copying files between hosts. SCP relies on Secure Shell (SSH). Copy the file “somefile.txt” from a remote host to the local host scp [email protected]:somefile.txt /some/local/directory Copy the file “somefile.txt” from the local host to a remote host scp somefile.txt [email protected]:/some/remote/directory Copy the directory “somedir” from…
Install docker Either regular docker install or rootless. Create a new directory Create a new directory where you will store your Docker Compose file and PHP/html etc files. For example, you can create a directory called “phpapp” in your home directory: write a docker compose file paste the below code in a new file called…
WebGL on Chrome Enable hardware acceleration : browse to chrome://settings/advanced scroll to the bottom and look for Use hardware acceleration when available make sure Use hardware acceleration when available is checked ✓ if it tells you to then click the relaunch button Check if webGL is enabled in Chrome Copy paste the following in your browser’s address bar chrome://gpu Look…
