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1500 questions
63
votes
2 answers
Multiple "ServerName" per VHost?
In Apache2 is it possible to set multiple ServerNames in one VHost?
I want to setup a "wiki" vhost for an internal wiki.
My network has a ".lan" suffix. How do I get Apache to answer both "wiki" and "wiki.lan" on the same vhost?
Soviero
- 4,426
63
votes
54 answers
Hidden Features of Linux
Following in the spirit of Hidden Features of PowerShell and various others on Stack Overflow, what Linux commands or combinations of commands do you find essential in your work?
Also See:
Hidden Features of MySQL
Hidden Features of PowerShell…
Chris Bunch
- 1,019
63
votes
5 answers
What's the difference between 'useradd' and 'adduser'?
What's the difference between useradd and adduser? When/why should I prefer using one or the other?
lindelof
- 929
63
votes
3 answers
find command default sorting order
what is the default sorting order for entries returned by the linux find command?
For example, if I issue
find . -type f -name '*mp3'
and the output consists of multiple files across multiple sub-folders, what is the default order in which…
Nasko
- 733
63
votes
7 answers
Force SSH to use a specific shell
Is there any way to force SSH to use a particular shell on the remote end, regardless of what the user's default shell is?
I've tried solutions akin to:
ssh host.domain.com /bin/bash -c 'complicated, multi-line command'
but unfortunately the…
plinehan
- 775
63
votes
1 answer
rsync - Exclude files that are over a certain size?
I am doing a backup of my desktop to a remote machine. I'm basically doing rsync -a ~ example.com:backup/ However there are loads of large files, e.g. wikipedia dumps etc. Most of the files I care a lot about a small, such as firefox cookie files,…
Amandasaurus
- 33,461
63
votes
7 answers
How to change my MySQL root password back to empty?
When I'm working locally, I don't really need to enter my password to access my database. I changed my root password when I first installed MySQL, but I don't know how to change my password back. What should I do?
Andrew
- 3,593
62
votes
3 answers
iptables -L pretty slow. Is this normal?
Quick question but Gooling has not revealed an answer. When I do iptables -L, it seems to lag on displaying items in where I have limited the source to internal ips 192.168.0.0/24
The whole listing takes about 30 seconds to display.
I just want to…
Bartek
- 829
62
votes
2 answers
How do view older journalctl logs (after a rotation maybe?)
I am running docker on ubuntu 16.04 and would like to view the logs. However, I am unable to view logs after what I am guessing is some sort of rotation or the logs grow to a certain size.
I have not made any changes to my journald.conf, so I am…
jdf
- 1,061
62
votes
13 answers
Windows 2008: WinSXS directory growing uncontrollably, blocking server
I run a (remotely hosted) virtual Server with Windows 2008 Server for a client.
Initially, it had 10 GB of space.
During the course of a few weeks - during which nothing was done on the machine except normal work using a web-basedt icket system -…
Pekka
- 2,178
62
votes
5 answers
I accidentaly forbid SSH connection to a remote server... What's next?
Let's say it again, we all make mistakes, and I have just made one.
A brief history: I was doing some stuff on a VPS (Debian) I'm renting, when I noticed some strange behaviour. Using the netstat command I saw an non-authorized connection through…
tomatoGuy
- 621
62
votes
5 answers
How can I check /dev/xvda1?
On login to EC2 (Ubuntu) instance, I see
*** /dev/xvda1 should be checked for errors ***
I can't fsck /dev/xvda1 because it is mounted, and sudo umount /dev/xvda1 fails because it is in use. lsof shows
jbd2/xvda 172 root cwd …
user1836587
- 723
62
votes
10 answers
How to [politely?] tell software vendor they don't know what they're talking about
Not a technical question, but a valid one nonetheless. Scenario:
HP ProLiant DL380 Gen 8 with 2 x 8-core Xeon E5-2667 CPUs and 256GB RAM running ESXi 5.5. Eight VMs for a given vendor's system. Four VMs for test, four VMs for production. The four…
Simon Catlin
- 5,242
62
votes
3 answers
Configure Nginx as reverse proxy with upstream SSL
I try to configure an Nginx server as a reverse proxy so the https requests it receives from clients are forwarded to the upstream server via https as well.
Here's the configuration that I use:
http {
# enable reverse proxy
proxy_redirect …
Alex Flo
- 1,901
62
votes
6 answers
How to Modify a Cronjob Email Subject
I am running a half dozen different cron jobs from my hosting at Hostmonster.com. When a cronjob has been executed I receive an email with the output of the script.
The email comes in the format of:
From: Cron Daemon
Subject: Cron …
justinl
- 743