Author Archives: jeffrin

command to install build-essential in debian ?

$sudo apt-get install build-essential Reading package lists… Done Building dependency tree Reading state information… Done build-essential is already the newest version (12.4). The following packages were automatically installed and are no longer required: alsa-base ant ant-optional app-install-data aptdaemon aptdaemon-data bluez-alsa bluez-gstreamer bogofilter bogofilter-bdb bogofilter-common cryptsetup-bin diffstat esound-common espeak-data evolution-webcal firebird2.5-common-doc fonts-lyx fonts-sil-gentium fonts-sil-gentium-basic freerdp-x11 gcalctool …

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How do I see where all my big files are?

$du -sk * | sort -n 4 index.php 4 myicon.png 4 programming 4 python 4 README.md 4 wp-blog-header.php 4 wp-comments-post.php 4 wp-config-sample.php 4 wp-cron.php 4 wp-links-opml.php 4 wp-load.php 4 xmlrpc.php 8 english 8 readme.html 8 testing 8 wp-activate.php 8 wp-mail.php 8 wp-trackback.php 12 commandline 12 github 12 ui 16 webex 16 wp-settings.php 20 knowledge 20 …

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Installing dig command on Debian

$sudo apt-get install -y dnsutils Reading package lists… Done Building dependency tree Reading state information… Done The following packages were automatically installed and are no longer required: libcaribou-gtk-module libcaribou-gtk3-module libebur128-1 libevent-2.0-5 libgdict-1.0-10 libgdict-common libgmime-2.6-0 libgnome-autoar-common libgom-1.0-common libjavascriptcoregtk-3.0-0 libnotmuch4 libpcre16-3 libperl5.24 libraw15 libsexy2 libwebkitgtk-3.0-0 libwebpmux2 python-olefile rename tcpd Use ‘sudo apt autoremove’ to remove them. The …

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Calling an external command in Python

$pwd /home/jeffrin/beautifulwork/github $ls beautifulwork-github.php beautifulwork-github.py $ls -l total 8 -rw-r–r– 1 jeffrin jeffrin 414 Dec 10 2016 beautifulwork-github.php -rw-r–r– 1 jeffrin jeffrin 1300 Dec 10 2016 beautifulwork-github.py $cat ../../ls.py from subprocess import call call([“ls”, “-l”]) $python ../../ls.py total 8 -rw-r–r– 1 jeffrin jeffrin 414 Dec 10 2016 beautifulwork-github.php -rw-r–r– 1 jeffrin jeffrin 1300 Dec 10 …

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grep a file, but show several surrounding lines?

$grep -C 1 lambda doowli.py request = urllib2.Request(url) request.get_method = lambda : ‘HEAD’ try: $grep -B 1 -A 0 lambda doowli.py request = urllib2.Request(url) request.get_method = lambda : ‘HEAD’ $grep -B 1 -A 5 lambda doowli.py request = urllib2.Request(url) request.get_method = lambda : ‘HEAD’ try: response = urllib2.urlopen(request) return True except urllib2.HTTPError: return False $grep …

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