Belmin Fernandez

New York, NY

http://iambelmin.com

Learning and helping.

top accounts reputation activity subscriptions

How can I use sed to replace a multi-line string?

sed regular-expression utilities asked Dec 7, 2011 at 18:03

unix.stackexchange.com

271 votes

Trying to mock datetime.date.today(), but not working

python testing datetime mocking asked Dec 19, 2010 at 6:54

stackoverflow.com

122 votes

How could we allow non-root users to control a systemd service?

systemd sudo services not-root-user asked Mar 26, 2015 at 17:25

unix.stackexchange.com

78 votes

Django Admin: Using a custom widget for only one model field

python python-3.x django django-admin django-widget asked Nov 14, 2010 at 7:36

stackoverflow.com

71 votes

How to create an SHA-512 hashed password for shadow?

linux authentication encryption md5 asked Nov 11, 2011 at 11:14

serverfault.com

65 votes

What is the proper sudoers syntax to add a user?

sudo asked Aug 17, 2011 at 0:10

unix.stackexchange.com

46 votes

Multiple standard input? How?

linux shell script asked Oct 20, 2010 at 22:53

superuser.com

45 votes

Modifying subversion file permissions

svn version-control asked Jan 21, 2011 at 1:00

stackoverflow.com

44 votes

Using dot (.) as delimiter to specify group in chown

linux command-line chown asked Oct 24, 2010 at 19:10

serverfault.com

44 votes

Piping from grep to awk not working

bash grep rhel awk tail asked Aug 30, 2012 at 12:04

unix.stackexchange.com

Top Answers

Django testing: Test the initial value of a form field

stackoverflow.com

Django Admin: Using a custom widget for only one model field

stackoverflow.com

Django: How to check if the user left all fields blank (or to initial values)?

stackoverflow.com

Remove duplicate entries from a CSV file

unix.stackexchange.com

How does Windows 7 decide which route to take if 2 connections to an internet source exist? (e.g. a Wireless and an Ethernet one to a router)

superuser.com

How to undo "yum remove python"

serverfault.com

Backing up permissions on Linux

serverfault.com

Configuring multiple servers to share one static IP using subdomains

serverfault.com

How can I kill all my EC2 instances from the command line?

stackoverflow.com

Reject user-entered titles with the string "[ closed ]" at the end

meta.stackexchange.com

Palindrome passwords disallowed—why?

superuser.com

How to set up a secure Git repository?

serverfault.com

Why is my SPF Record not working?

serverfault.com

Issues customizing a RHEL7 VM deployed from a template on VMware

serverfault.com

sudo asks me for password

serverfault.com

How do I find out where my IPTables rules are being stored?

serverfault.com

rsyslog: How do I direct messages from all remote machines to one file?

serverfault.com

Is there a keyboard shortcut to paste quoted text in new Gmail composing editor?

webapps.stackexchange.com

How can I reduce the damage of stolen mail accounts?

serverfault.com

How to get name of server that has served request in fronted section?

serverfault.com

How to send email with my CentOS server?

serverfault.com

How to list all requests to udp sockets?

serverfault.com

Puppet: how to create and manage unix users and groups

serverfault.com

After Java update, Juniper VPN site is not recognizing that Java is installed

superuser.com

How do I change multiple linux servers' /etc/fstab simultaneously

serverfault.com

IPTables: allow outgoing SSH

serverfault.com

How Long Do DNS Records Take to Propagate when Swapping Data Centers, and How Should I Do It?

serverfault.com

What's the best solution to manage root password of thousands servers

serverfault.com

How can I prevent someone else's name server registration from pointing to my IP addresses? (i.e. change com zone file)

serverfault.com

Why would chmod give "No such file or directory" when running recursively?

serverfault.com