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How do you add swap to an EC2 instance?
...nstance you type:
sudo /bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024
sudo /sbin/mkswap /var/swap.1
sudo chmod 600 /var/swap.1
sudo /sbin/swapon /var/swap.1
If you need more than 1024 then change that to something higher.
To enable it by default after reboot, add this line to /etc/fstab:
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How to read a file line-by-line into a list?
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SilentGhostSilentGhost
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Cartesian product of multiple arrays in JavaScript
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rsprsp
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How to exit from Python without traceback?
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edited Jun 30 '12 at 19:48
martineau
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ans...
How to configure postgresql for the first time?
...ely satisfying to me. Here's what worked for postgresql-9.1 on Xubuntu 12.04.1 LTS.
Connect to the default database with user postgres:
sudo -u postgres psql template1
Set the password for user postgres, then exit psql (Ctrl-D):
ALTER USER postgres with encrypted password 'xxxxxxx';
Edit...
Upgrade python in a virtualenv
...marianobianchi
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15
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Unable to Connect to GitHub.com For Cloning
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answered Apr 30 '13 at 14:09
ChronialChronial
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Java - get pixel array from image
...ght][width];
if (hasAlphaChannel) {
final int pixelLength = 4;
for (int pixel = 0, row = 0, col = 0; pixel + 3 < pixels.length; pixel += pixelLength) {
int argb = 0;
argb += (((int) pixels[pixel] & 0xff) << 24); // alpha
argb +...
In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
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Michael Myers♦Michael Myers
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How to get relative path from absolute path
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edited Jun 7 '19 at 10:54
Ramon Smits
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answered ...