sudo apt-get purge $(dpkg -l linux-{image,headers}-"[0-9]*" | awk '/ii/{print $2}' | grep -ve "$(uname -r | sed -r 's/-[a-z]+//')") http://askubuntu.com/questions/89710/how-do-i-free-up-more-space-in-boot ...
Big data file - sed/grep/awk? Morning guys. Another day another question. :rolleyes: I am knocking up a script to pull some data from a file. The problem is the file is very big (up to 1 gig in size), so this solution: for results in `grep "^\ ... works, but takes ages ...
ps -ef | grep $USERNAME | awk {'print $2'} | xargs kill [-9] - (Kill all processes belonging to a user This is a 'killall' command equivalent where it is not available. Prior to executing it, set the environment variable USERNAME to the username, whose p
如何正确使用"grep“命令 、、 我对linux和命令很陌生。基本上我理解"grep“命令。grep -R -e 欢迎使用正确的例子。 浏览5提问于2014-02-06得票数 1 回答已采纳 2回答 如何正确使用“密码”命令 、、 我正在使用cipher命令加密一个文件,这样就没有人能读懂它了。我尝试了以下命令:cipher /e /a exp\test...
6.3. Usingawkas an Alternative Although we could solve our use case with thegrepcommand independently, the earlier approach won’t work if the paragraph size varies. So, in this section, we’ll learn a generic solution for our use case usingawkas an alternative command-line utility. ...
Replacing lines matching a multi-line pattern (sed/perl/awk) Dear Unix Forums, I am hoping you can help me with a pattern matching problem. What am I trying to do? I want to replace multiple lines of a text file (that match a multi-line pattern) with a single line...
assetfinder -subs-only DOMAIN -silent | httpx -timeout 3 -threads 300 --follow-redirects -silent | xargs -I% -P10 sh -c 'hakrawler -plain -linkfinder -depth 5 -url %' | awk '{print $3}' | grep -E "\.js(?:onp?)?$" | anew...
if grep $FS /etc/mnttab > /dev/null 2>&1 ; then sync PIDS=`/usr/local/bin/lsof $FS | awk '{if ($2 ~/[0-9]+/) { print $2} }' | sort -u`kill -9 $PIDSsleep 1sync /usr/sbin/umount -f $FSfi Using SSL With Java-based Node Manager Administration Servers and Managed...
grep -Ei [[:digit:]]{4} /etc/passwd Search For a String in File The above example may not be the best case for the use of regular expressions in the real world, but it clearly illustrates how to usePOSIXcharacter classes to analyze text along withgrep. ...
grep warning inputfile.txt Use AWK With Patterns The simplest pattern possible is regular alphanumeric characters that appear on the line of text. In the example below, the pattern /error/ matches any line where the string “error” appears. echo -e "Please correct your error.\nDave was ...