Most Popular
1500 questions
233
votes
5 answers
nginx HTTPS serving with same config as HTTP
Is there a way to share configuration directives across two nginx server {} blocks? I'd like to avoid duplicating the rules, as my site's HTTPS and HTTP content are served with the exact same config.
Currently, it's like this:
server {
listen 80;
…
ceejayoz
- 33,167
230
votes
7 answers
How do you add a Windows environment variable without rebooting?
I would like to add an Environment variable to a Windows machine (desktop or server) and be able to use it without rebooting that machine.
Say you have a production server which hosts a variety of apps and a new app needs a particular Environment…
Chad Braun-Duin
- 2,319
230
votes
11 answers
"Add correct host key in known_hosts" / multiple ssh host keys per hostname?
Trying to ssh into a computer I control, I'm getting the familiar message:
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! …
Samuel Edwin Ward
- 2,483
229
votes
8 answers
When does /tmp get cleared?
I'm taking to putting various files in /tmp, and I wondered about the rules on deleting them?
I'm imagining it's different for different distributions, and I'm particularly interested in Ubuntu and Fedora desktop versions.
But a nice general way of…
John Lawrence Aspden
- 2,566
229
votes
13 answers
How do I load a sql.gz file to my database? (importing)
I'm trying to import a gzipped SQL file into mysql directly. Is this the right way?
mysql -uroot -ppassword mydb > myfile.sql.gz
Alex
- 8,591
228
votes
10 answers
How to check if a library is installed?
In Linux, how do I check if a library is installed or not? (from the command line of course).
In my specific case now, I want to check whether libjpeg is installed.
hasen
- 2,564
228
votes
17 answers
Permission denied (publickey). SSH from local Ubuntu to Amazon EC2 server
I have an instance of an application running in the cloud on an Amazon EC2 instance, and I need to connect to it from my local Ubuntu. It works fine on one local ubuntu and also laptop. I got this message, Permission denied (publickey)., when trying…
Vorleak Chy
- 2,421
227
votes
3 answers
How can I override CMD when running a docker image?
I want to inspect a docker image created by someone else with both an entrypoint and cmd specified, for example:
ENTRYPOINT ["/usr/sbin/apache2ctl"]
CMD ["-D", "FOREGROUND"]
I currently do:
docker run --interactive --tty --entrypoint=/bin/bash…
warp
- 2,489
225
votes
14 answers
Shell command to monitor changes in a file
I know there was a command on Unix that I could use to monitor a file and see changes that are getting written to it. This was quite useful especially for checking log files.
Do you know what it is called?
Sebastian Hoitz
- 3,199
223
votes
13 answers
Any benefit or detriment from removing a pagefile on an 8 GB RAM machine?
I'm running Windows 7 on a dual core, x64 AMD with 8 GB RAM.
Do I even need a page file?
Will removing it help or hurt performance?
Would it make a difference if this is a server or a desktop?
Does Windows 7 vs. Windows 2008 make a difference with a…
Jason
- 3,287
220
votes
10 answers
How to install tzdata on a ubuntu docker image?
I have the following line in the Dockerfile.
RUN apt-get install -y tzdata
When I run it, it asks for my input. After I provided my input, it hung there. Does anybody know how to solve this problem?
Step 25/25 : RUN apt-get install -y tzdata
--->…
user1424739
- 2,359
220
votes
7 answers
Nginx config reload without downtime
I use nginx as a reverse proxy.
Whenever I update the config for it using
sudo "cp -r #{nginx_config_path}* /etc/nginx/sites-enabled/"
sudo "kill -s HUP `cat /var/run/nginx.pid`"
I face a brief downtime. How can I avoid that?
Saurav Shah
- 2,315
220
votes
9 answers
How to check sshd log?
I have Ubuntu 9.10 installed with sshd and I can successfully connect to it using login and password. I have configured an RSA key login and now have "Server refused our key" as expected. Ok, now I want to check sshd log in order to figure out a…
grigoryvp
- 3,795
218
votes
8 answers
Setting the hostname: FQDN or short name?
I've noticed that the "preferred" method of setting the system hostname is fundamentally different between Red Hat/CentOS and Debian/Ubuntu systems.
CentOS documentation and the RHEL deployment guide say the hostname should be the…
Cakemox
- 25,549
- 7
- 45
- 67
217
votes
16 answers
How do diff over ssh?
How do I diff files/folders across machines provided that the only connectivity available is ssh?
Alexey Timanovsky
- 3,531