Ask Ubuntu Weekly Newsletter
Ask Ubuntu Weekly Newsletter

Top new questions this week:

How do I patch/workaround SSLv3 POODLE vulnerability (CVE­-2014­-3566)?

After the BEAST attack and Heartbleed bug, now I've heard about a new vulnerability in SSL/TLS called POODLE. How do I protect myself against being exploited? Are only servers or also clients ...

security ssl tls  
asked by gertvdijk 115 votes
answered by gertvdijk 141 votes

Why I can find *main.o but cannot *.o?

This one is correct: $ find . -name *main.o ./main.o So, why I can't find *.o? $ find . -name *.o find: paths must precede expression: main.o Usage: find [-H] [-L] [-P] [-Olevel] [-D ...

command-line find  
asked by Tom Brito 17 votes
answered by Letizia 38 votes

What is the 'command' command and what is it used for?

I was trying to learn new terminal commands. Then I tried to write command to test what happens. Strangely, looks like it's a valid command, but what does it do? It didn't return anything.

command-line bash  
asked by Nori-chan 12 votes
answered by Seth 18 votes

How could I have dropped out of sudoers?

I started to receive a message dims is not in the sudoers file. This incident will be reported. about myself. How could this happen? The suspicious command I made was creating group "advanced" ...

asked by Dims 6 votes
answered by Florian Diesch 17 votes

Run program from anywhere without changing directory

I wish to create an alias, which runs program x, without changing the current directory I am in. What I have now is: alias x = "cd /home/path_to_x && ./x" This works, but changes my ...

command-line alias  
asked by TheFisherman 6 votes
answered by Useless 9 votes

I accidentally removed my Trash and can longer put items into it, how can I get it back?

I did a stupid thing. I was having issues with certain files in my trash that my system was not allowing my to delete, meaning I could no longer empty my trash. These were not super important files, ...

command-line trash  
asked by gastronomin 5 votes
answered by Rmano 6 votes

How do I disable SSLv3 in tomcat?

Please provide the fix for How do I patch/workaround SSLv3 POODLE vulnerability (CVE­-2014­-3566)? for Tomcat. I have tried following below link, however it does not help: tomcat-users mailing list ...

security ssl tomcat7  
asked by Connor Relleen 5 votes
answered by Connor Relleen 3 votes

Greatest hits from previous weeks:

How do I reset a lost administrative password?

I'm working on a Ubuntu system, and my client has completely forgotten his administrative password. He doesn't even remember entering one; however it is there. I've tried the suggestions on the ...

asked by user9904 199 votes
answered by Jorge Castro 229 votes

How to list all installed packages?

I'd like to output a list of all installed packages into a text file, so that I can review it and bulk-install on another system. How to do this?

apt packages package-management  
asked by Ivan 344 votes
answered by Sabacon 341 votes

Can you answer these?

home directory flooded with .o and .lo files

After installing cups and cups-pdf from the Software Center and hplip from the HP Linux Imaging & Printing site, with `> sh', my /home directory is literally flooded by more than ...

14.04 software-installation printing hplip  
asked by Cbhihe 2 votes

Port redirection for a specific (dynamic) IP using iptables script

What I want: Incoming TCP and UDP connections on port 900 from the resolving IP address of (dynamic IP) should redirect to port 5050 on the local machine. All other IP addresses ...

scripts iptables port-forwarding redirect dynamic-ip  
asked by viriol 2 votes

Revert system fie premissions

I have mistakely changed the permission of the entire etc directory to 777. Now I'm getting frequent errors like ... is world writable! Is there a way to revert back to the default permission? ...

permissions chmod etc  
asked by Dipesh Kc 2 votes
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