15
votes
What's wrong with my cronjob syntax, I'm trying to use a backtick (`)?
To resolve the issue escape your % characters. date +%Y-%m-%d should be date +\%Y-\%m-\%d
Unfortunately this answer is a little late but the issues is not PATH or backticks - the issue is simply ...
- 346
7
votes
Puppet string interpolation with function call and a variable as parameter
It wasn't possible, but it is now. The following works using your example:
notice("Blah blah ${downcase($::osfamily)} blah blah")
This was tested on Puppet 4.10.x, it's documented as far back as 4.6:...
- 4,771
6
votes
Accepted
How to set up cron trigger time rule every 5 mins + 2mins delay?
You don't say which version of cron, but on Vixie cron (used in BSD and GNU/Linux) you can specify either of:
2-57/5 * * * * (command)
or spell it out
2,7,12,17,22,27,32,37,42,47,52,57 * * * * (...
- 1,118
5
votes
Full bash script check before runing
You might have a look at the ShellCheck project which performs a more thorough validation of shell script syntax; including best practices and potential pitfalls.
However, even ShellCheck won't ...
- 4,343
5
votes
Accepted
CloudFormation stack yaml syntax?
You have an extra '-' character in the Tags definition. It should look something like the snippet below (I'm not sure of the Join syntax, personally I use Sub normally):
Tags:
- Key: Name
...
- 238
4
votes
Accepted
Ansible -- The offending line appears to be:
The indendation is wrong, tasks should be on the same level as hosts and remote_user.
- name: See if location is running on cradlepoint
hosts: cradlepoints
remote_user: pi
tasks:
- name: Grab ...
- 25k
2
votes
Accepted
Full bash script check before runing
As @techraf and @Wice22 pointed out, there is no such thing as a complete check at run-time.
You could create "unit" tests for your bash script though. One framework which helps with it is BATS: ...
2
votes
Accepted
TCPDump, can't understand these parts
9801 = TCP starting sequence
11201 = TCP ending sequence
(1400) =
difference between 9801 and 11201 = data carried in packet
- 5,300
2
votes
Accepted
Postfix sasl_password file and MX resolution
man 5 postconf says following:
smtp_sasl_password_maps (default: empty)
Optional Postfix SMTP client lookup tables with one username:password entry per sender, remote hostname or next-hop domain.
...
- 10.3k
2
votes
Accepted
nftables set of couples { IP/MAC address }
OP's set definition has multiple syntax errors.
A set of elements where each element is a combination of two base types, IPv4 + Ethernet, is needed: it's not a set of simple elements, but a set of ...
- 12.8k
1
vote
Accepted
Trying to understand Cloudformation syntax for UserData script
Referencing another answer here for the formatting of strings in yaml files.
Block styles with block chomping indicator (>-, |-, >+, |+)
You can control the handling of the final new line in the ...
- 79
1
vote
Removing a machine from domain using PowerShell
As per documentation, the parameter -UnjoinDomainCredential requires a PSCredential object; you can't simply type the credentials in the command line.
You can find more info about how to build a ...
- 71.3k
1
vote
8: Syntax error: word unexpected (expecting ")")
The correct way is:
weekday=$(date +%a)
day=$(date +%d)
month=$(date +%m)
if { [ $month -eq 03 ] || [ $month -eq 10 ]; } && [ $weekday = "So" ] && [ $day -gt 24 ]
then
...
- 143
1
vote
8: Syntax error: word unexpected (expecting ")")
weekday=$(date +%a)
day=$(date +%d)
month=$(date +%m)
if [ \( \( $month -eq 03 \) -o \( $month -eq 10 \) \) -a \( "$weekday" = "Sun" \) -a \( $day -gt 24 \) ]
then
# DO ...
- 1,090
1
vote
Accepted
syntax error in monitrc
Missing keyword with
not an error, see the documentation
You can use noise keywords like 'if', 'and', 'with(in)', 'has',
'us(ing|e)', 'on(ly)', 'then', 'for', 'of' anywhere in an entry to
...
- 5,300
1
vote
Accepted
Ansible Playbook and syntax issue with variables
Yes, it's a simple typo.
salt: "{{ lookup('password', '/dev/null length=10' chars=ascii_letters) }}"
You can see that the error complained about the literal text chars appearing unexpectedly. ...
- 248k
1
vote
Accepted
unbound.conf server option "private-domain" - domain name ending in a dot nor not?
This question is ancient, but it still came up for me as the first entry in a search, so IMO it's worth trying to answer.
Bottom line: In this context, and in most others, there is no practical ...
- 26
1
vote
Puppet case statements with integer range
Puppet's case statement can evaluate expressions and will run the first associated with the first matching case.
It doesn't quite support this:
case $mem {
0..1023: { $retvalue = "128M" }
...
- 314
1
vote
Accepted
Nginx: significance of bracket syntax?
Syntax one is more useful if you're going to put multiple locations in a configuration, which would be typical. Syntax two is only for when you have a simple server returning a redirect or similar. ...
- 32.8k
1
vote
Various "Config variables" not defined, Apache 2.4.18
Debian like distros rely on a file called "envvars" in which they put lots of variables.
Apache HTTPD compiled from source does include the file but it does not place so many variables there by ...
- 2,560
1
vote
Proper syntax for monitoring an IP in .conf files, Icinga2
Ping4 is not a service I have installed. It was listed as an example on the icinga2 documentation page. The syntax to monitor if a host is alive (and nothing more) in Icinga2 is as follows.
object ...
- 11
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