I'm trying to run kylin.sh to start kylin in ubuntu. Unfortunately, I'm getting the following error. Since I'm not so good in ubuntu please help me out figure the error.
Here is the message I get while running the command.
KYLIN_HOME is set to /usr/local/apache-kylin-1.5.4.1-bin
cat: invalid option -- '1'
Try 'cat --help' for more information.
-mkdir: Not enough arguments: expected 1 but got 0
Usage: hadoop fs [generic options] -mkdir [-p] ...
failed to create , Please make sure the user has right to access
Any kind of suggestion for the error is appreciated, thanks :)
Replace the content of get-properties.sh by this:
if [ $# != 1 ]
then
echo 'invalid input'
exit -1
fi
result=`cat ${KYLIN_HOME}/conf/kylin.properties | grep -w "^$1" | grep -v '^#' | awk -F= '{ n = index($0,"="); print substr($0,n+1)}' | cut -c 1- |tail -1`
echo $result
Related
I want to check how many active meetings there are on the BBB server at any one time from the command line. I have tried
$ bbb-conf --network
but not getting anywhere. I have also checked the number of active connections to port 80 and 443
$ netstat -anp | grep :443 | grep ESTABLISHED | wc -l
but I'm not sure if I can trust that figure.
I know I can use the isMeetingRunning call from the API but I'm just looking for command line.
Any ideas would be appreciated
The following bash script, which can be run from command line on the same machine as the BigBlueButton server, will process the response to the BBB API getMeetings call.
#!/bin/bash
APICallName="getMeetings"
APIQueryString=""
X=$( bbb-conf --secret | fgrep URL: )
APIEndPoint=${X##* }
Y=$( bbb-conf --secret | fgrep Secret: )
Secret=${Y##* }
S=$APICallName$APIQueryString$Secret
Checksum=$( echo -n $S | sha1sum | cut -f 1 -d ' ' )
if [[ "$APIQueryString" == "" ]]
then
URL="${APIEndPoint}api/$APICallName?checksum=$Checksum"
else
URL="${APIEndPoint}api/$APICallName?$APIQueryString&checksum=$Checksum"
fi
wget -q -O - "$URL" | grep -o '<meetingID>' | wc -w
Tested on a live BBB machine.
Note:
The APICallName and APIQueryString can be modified to provide interface to other BBB API calls. See https://docs.bigbluebutton.org/dev/api.html
The command-line sha1sum will output a different result if a newline is appended to its input. This is the reason echo -n is used instead of echo.
In the last line, the script processes the XML output from the API call in a very naïve way, simply counting the number of occurences of the <meetingID> tag. More elaborate processing would probably require parsing the XML.
Has anyone had any luck getting fish shell to work with google's gcloud command line tools? I'm not an expert in Fish script but these are the two files gcloud needs to run (which work fine use Fish's bash mode). Fish doesn't allow you to source bash files from what I understand so these would need to be converted to Fish script?
path.bash
script_link="$( readlink "$BASH_SOURCE" )" || script_link="$BASH_SOURCE"
apparent_sdk_dir="${script_link%/*}"
if [ "$apparent_sdk_dir" == "$script_link" ]; then
apparent_sdk_dir=.
fi
sdk_dir="$( command cd -P "$apparent_sdk_dir" && pwd -P )"
bin_path="$sdk_dir/bin"
export PATH=$bin_path:$PATH
path.completion
_python_argcomplete() {
local IFS=' '
COMPREPLY=( $(IFS="$IFS" COMP_LINE="$COMP_LINE" COMP_POINT="$COMP_POINT" _ARGCOMPLETE_COMP_WORDBREAKS="$COMP_WORDBREAKS" _ARGCOMPLETE=1 "$1" 8>&1 9>&2 1>/dev/null 2>/dev/null) )
if [[ $? != 0 ]]; then
unset COMPREPLY
fi
}
complete -o default -F _python_argcomplete "gcloud"
_completer() {
command=$1
name=$2
eval '[[ "$'"${name}"'_COMMANDS" ]] || '"${name}"'_COMMANDS="$('"${command}"')"'
set -- $COMP_LINE
shift
while [[ $1 == -* ]]; do
shift
done
[[ $2 ]] && return
grep -q "${name}\s*$" <<< $COMP_LINE &&
eval 'COMPREPLY=($'"${name}"'_COMMANDS)' &&
return
[[ "$COMP_LINE" == *" " ]] && return
[[ $1 ]] &&
eval 'COMPREPLY=($(echo "$'"${name}"'_COMMANDS" | grep ^'"$1"'))'
}
unset bq_COMMANDS
_bq_completer() {
_completer "CLOUDSDK_COMPONENT_MANAGER_DISABLE_UPDATE_CHECK=1 bq help | grep '^[^ ][^ ]* ' | sed 's/ .*//'" bq
}
unset gsutil_COMMANDS
_gsutil_completer() {
_completer "CLOUDSDK_COMPONENT_MANAGER_DISABLE_UPDATE_CHECK=1 gsutil help | sed /Additional/q | grep '^ ' | sed -e 's/^ //' -e 's/ .*//'" gsutil
}
unset gcutil_COMMANDS
_gcutil_completer() {
_completer "CLOUDSDK_COMPONENT_MANAGER_DISABLE_UPDATE_CHECK=1 gcutil help | grep -v '^information' | grep '^[a-z]' | sed -e 's/ .*//' -e '/^$/d'" gcutil
}
complete -o default -F _bq_completer bq
complete -o default -F _gsutil_completer gsutil
complete -o default -F _gcutil_completer gcutil
What worked for me was just using bass. Check it out:
https://github.com/edc/bass
Just take the lines that gcloud adds to your bash_profile, and prepend bass to them in your .config/fish/config.fish file, as follows:
# The next line updates PATH for the Google Cloud SDK.
bass source '/Users/hunter/bin/google-cloud-sdk/path.bash.inc'
# The next line enables shell command completion for gcloud.
bass source '/Users/hunter/bin/google-cloud-sdk/completion.bash.inc'
As of today, I was able just to do
brew install --cask google-cloud-sdk
Added source /usr/local/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/path.fish.inc to my ~/.config/fish/config.fish
Clone https://github.com/aliz-ai/google-cloud-sdk-fish-completion then run install.sh.
For path.bash, all it does is add the Cloud SDK bin directory to your PATH. We put some weird stuff in there because we wanted it to work from inside the Cloud SDK directory even when behind, eg, a symlink. For your own system, just do the fsh equivalent of "export PATH=$PATH:/path/to/google-cloud-sdk/bin".
For the tab completion, I don't know how fsh's tab completion works, so I've got nothing.
Fish support is now included out of the box with gcloud, however I ran into a pretty annoying issue. The code included in google-cloud-sdk/path.fish.inc (and #nafg's answer) leaves the directory changed, resulting in each new shell session starting in the google-cloud-sdk directory.
The modification I made was fairly simple, adding two extra lines to get the current working directory and restore it afterwards. This seems to have resolved the issue for me, so hopefully will help anyone else googling for "fish gcloud" problems.
set restore_dir (pwd -P)
set sdk_dir (builtin cd "$apparent_sdk_dir" > /dev/null; and pwd -P)
set bin_path "$sdk_dir/bin"
cd "$restore_dir"
I was able to set up completion by executing this:
# fisher v3
fisher add aliz-ai/google-cloud-sdk-fish-completion
# fisher v4
fisher install aliz-ai/google-cloud-sdk-fish-completion
Fisher can be found here: https://github.com/jorgebucaran/fisher
using fisher:
fisher install lgathy/google-cloud-sdk-fish-completion
and you are good to go
There's an interesting approach here: http://michelpm.com/blog/2013/07/26/switching-from-zsh-to-fish/
Basically it will run a bash script in bash, but it will diff how it changes the environment and apply that in fish.
However it won't work for completions and for your path.bash it's overkill. More like:
Change var=value to set var value
Change [ ... ] to test ...
Change $( ... ) to ( ... )
if doesn't need then and ends with end
Change || to ; or and && to ; and
Change export to set -x
So without testing here's what I would try:
set script_link ( readlink "$BASH_SOURCE" ); or set script_link $BASH_SOURCE
set apparent_sdk_dir ${script_link%/*}
if test "$apparent_sdk_dir" == "$script_link" ;
set apparent_sdk_dir .
end
set sdk_dir ( command cd -P "$apparent_sdk_dir"; and pwd -P )
set bin_path $sdk_dir/bin
set -x PATH $bin_path:$PATH
I have the following situation:
A perl script read a file where a application wrote it's pid, and tries to kill it.
But the problem is that I don't want to kill another process so I check if current process with the recorded PID has the same command line. If so, the application could be killed.
The following blues script find out the cmdline:
$PIDCMDLINE = `ps -p $PID -o cmd`;
The problem is that if another instance for another user is up, maybe on the same sid, it would be killed because it will return a valid command line, and I don't want that behaviour.
How can I restrict ps -p to search only current users processes (no, simple ps doesn't count, because -p nullify the default effect of ps)
Thank you!
You can use the following to check both command and user for the certain PID:
ps -p <PID> -o user,cmd --columns 1000 | grep `whoami`
Adding a 'grep' according to the comment.
May be a little awkward, but what about this:
$PIDCMDLINE = ps -p $PID -o user,command | grep `whoami` | awk '{ print $2 }'
Using sh on linux I am looking to output the results from multiple if statements to a mail message.
#snap server1
running=`ps -U server1 | wc -l`
if [ $running -eq 1 ]; then
/root/zfsnap/zfSnap.sh -v -a 30d tank/server1
fi
#snap server2
running=`ps -U server2 | wc -l`
if [ $running -eq 1 ]; then
/root/zfsnap/zfSnap.sh -v -a 30d tank/server2
fi
sleep 3 && echo "results of script" | mail -s "snapshot status" administrator#domain.local
## current output is
[root#backupserver ~]# ./backup_script_daily.sh
/sbin/zfs snapshot tank/server1#2013-08-26_12.28.22--30d ... DONE
/sbin/zfs snapshot tank/server2#2013-08-26_12.28.22--30d ... DONE
I'm not really sure how to do this for multiple if statements. I've seen many discussions on individual if statements. I actually have about 8 more (user/servers) in this script. My scripting experience for years has been very low level :). Would it be better to use something like Perl
put servers into array
for each server in array
run command > to text file
end and mail(textfile)
I appreciate any suggestions or ideas and I apologize for any issues with the post. This is my first one.
Kind Regards,
~Jon R.
You can enclose all commands whose output you want to capture in a { } block and pipe the whole thing into the mail command, e.g.:
#!/bin/bash
{
for server in server{1..2}; do
if (( $(pgrep -U "${server}" 2>/dev/null | wc -l) > 0 )); then
/root/zfsnap/zfSnap.sh -v -a 30d "tank/${server}"
fi
done
} | mail -s "snapshot status" administrator#domain.local
I have the dSYM file for build created on client's machine. Client got a crash in build and now I am trying to de-symbol by use of the symbolicatecrash by the simple following command in terminal:
symbolicatecrash myapp_iPod-Touch.crash myapp.app.dSYM > test.txt
but it's not creating any meaningful de-symboled file. and it's giving the follwoing error in terminal:
Can't understand the output from otool
then I found a solution in following link:
iPhone SDK 3.0 and symbolicatecrash not getting along?
but still it's not de-symbolicating the exact memory location to exact code line responsible for crash.
Then I tried some other options too:
Following is the other option but didn't work:
symbolicatecrash.sh -A -v [crashlog-filename] MyApp.dSYM
For reference: http://apptech.next-munich.com/2010/01/symbolicatecrash.html
The best option that helped me is atos command to get the exact code line number of the crash but I want the systematic symbolicatecrash to create the dump.
NOTE: When I create build in my machine and desymbolicate (the my machine created) build's crash log in my machine it creates perfectly good dump file (show's exact memory location VS code line responsible for crash).
If you have the DSYM file for the crash then you can use this one:
#!/bin/bash
if [[ $# < 2 ]]
then
echo "Usage: $0 [-arch <arch> (defaults to whatever is specified in the crashlog- file] <dSYM-file> <crashlog-file>"
exit 1
fi
#Get the architecture either from the params or from the crashlog itself
ARCH_PARAMS=''
if [[ "${1}" == '-arch' ]]
then
ARCH_PARAMS="-arch ${2}"
shift 2
else
ARCHITECTURE=$(cat "${2}" | grep -A1 "Binary Images:" | grep 0x | sed -E -n 's/.*(armv[6-9]).*/\1/p')
if [ -n "${ARCHITECTURE}" ]
then
ARCH_PARAMS="-arch ${ARCHITECTURE}"
else
echo "Couldn't determine architecture based on the crashlog. Please specify it by calling $0 -arch <arch> <dSYM-file> <crashlog-file>"
exit
fi
fi
echo "Assuming architecture:" ${ARCHITECTURE}
#Store the other params
SYMBOL_FILE="${1}"
CRASHLOG="${2}"
#Get the identifier out of the crashlog
IDENTIFIER=$(cat "${CRASHLOG}" | egrep -o "^Identifier:[[:space:]]*.*$" | sed 's/^Identifier:[[:space:]]*\(.*\)$/\1/')
echo "Identifier:" $IDENTIFIER
echo
echo
#Iterate through the crashlog files, find the ones that belong to the $IDENTIFIER, sed the address out of those files, symbolicate them with atos and finally replace them back into those line again. Print all other lines untouched.
while read line
do
SYMBOL=$(echo $line | sed -E -n "s/.*(${IDENTIFIER}[[:space:]]*)(0x[[:alnum:]]*).*/\2/p" | atos -o "${SYMBOL_FILE}/Contents/Resources/DWARF/${IDENTIFIER}" ${ARCH_PARAMS})
if [ -n "$SYMBOL" ]
then
echo $line | sed -E "s/(${IDENTIFIER}[[:space:]]*)(0x[[:alnum:]]*)(.*)/\1\2 ${SYMBOL}/"
else
echo $line
fi
done < "${CRASHLOG}"