{"id":1962,"date":"2016-09-03T19:02:53","date_gmt":"2016-09-04T03:02:53","guid":{"rendered":"http:\/\/systemsolver.com\/StatlerBlog\/?p=1962"},"modified":"2016-09-03T19:02:53","modified_gmt":"2016-09-04T03:02:53","slug":"misc-notes-mostly-linux","status":"publish","type":"post","link":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/2016\/09\/03\/misc-notes-mostly-linux\/","title":{"rendered":"Misc notes — mostly linux"},"content":{"rendered":"

A variety of links and ideas<\/p>\n

\n

Shutdown slow with Samba\/Windows shares in Linux<\/strong><\/h3>\n

http:\/\/techdelirium.blogspot.com\/2015\/11\/slow-shutdownreboot-when-mounting.html<\/a><\/p>\n

\n

sudo ln -s \/etc\/init.d\/umountnfs.sh \/etc\/rc0.d\/K14umountnfs.sh<\/p><\/blockquote>\n

sudo ln -s \/etc\/init.d\/umountnfs.sh \/etc\/rc6.d\/K14umountnfs.sh<\/p><\/blockquote>\n<\/blockquote>\n

\n

Linux bash script – Windows batch script links<\/h3>\n

http:\/\/www.dostips.com\/DtTipsStringManipulation.php<\/a><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\nAlign Right<\/a><\/td>\nAlign text to the right i.e. to improve readability of number columns.<\/td>\n<\/tr>\n
<\/td>\nLeft String<\/a><\/td>\nExtract characters from the beginning of a string.<\/td>\n<\/tr>\n
<\/td>\nMap and Lookup<\/a><\/td>\nUse Key-Value pair list to lookup and translate values.<\/td>\n<\/tr>\n
<\/td>\nMid String<\/a><\/td>\nExtract a Substring by Position.<\/td>\n<\/tr>\n
<\/td>\nRemove<\/a><\/td>\nRemove a substring using string substitution.<\/td>\n<\/tr>\n
<\/td>\nRemove both Ends<\/a><\/td>\nRemove the first and the last character of a string.<\/td>\n<\/tr>\n
<\/td>\nRemove Spaces<\/a><\/td>\nRemove all spaces in a string via substitution.<\/td>\n<\/tr>\n
<\/td>\nReplace<\/a><\/td>\nReplace a substring using string substitution.<\/td>\n<\/tr>\n
<\/td>\nRight String<\/a><\/td>\nExtract characters from the end of a string.<\/td>\n<\/tr>\n
<\/td>\nSplit String<\/a><\/td>\nSplit a String, Extract Substrings by Delimiters.<\/td>\n<\/tr>\n
<\/td>\nString Concatenation<\/a><\/td>\nAdd one string to another string.<\/td>\n<\/tr>\n
<\/td>\nTrim Left<\/a><\/td>\nTrim spaces from the beginning of a string via “FOR” command.<\/td>\n<\/tr>\n
<\/td>\nTrim Quotes<\/a><\/td>\nRemove surrounding quotes via FOR command.<\/td>\n<\/tr>\n
<\/td>\nTrim Right<\/a><\/td>\nTrim spaces from the end of a string via “FOR” command.<\/td>\n<\/tr>\n
<\/td>\nTrim Right<\/a><\/td>\nTrim spaces from the end of a string via substitution.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\n

\u00a0OCR in linux
\n<\/strong><\/h3>\n

https:\/\/help.ubuntu.com\/community\/OCR<\/a><\/p>\n

\n

D\u00e9j\u00e0 Dup instead of Lucky Backup<\/h3>\n

https:\/\/www.linux.com\/learn\/total-system-backup-and-recall-deja-dup<\/a><\/p>\n

\n

Monitor linux disk usage, send email<\/h3>\n

https:\/\/www.linux.com\/learn\/customized-file-monitoring-auditd<\/a><\/p>\n

https:\/\/www.linux.com\/blog\/linux-shell-script-monitor-space-usage-and-send-email<\/a><\/p>\n

\n

Bluetooth headset controls<\/h3>\n

https:\/\/wiki.archlinux.org\/index.php\/X_KeyBoard_extension#Multiple_keyboards<\/a><\/p>\n

https:\/\/bugs.freedesktop.org\/show_bug.cgi?id=53907<\/a><\/p>\n

\n

Quick backup of linux?<\/h3>\n

http:\/\/manpages.ubuntu.com\/manpages\/trusty\/man8\/dump.8.html<\/a>
\nDump examines files on an ext2\/3\/4 filesystem and determines which
\nfiles need to be backed up.<\/p>\n

\n

Create a live cd of the installed Linux system<\/h3>\n

https:\/\/sourceforge.net\/projects\/pinguy-os\/files\/ISO_Builder\/<\/a><\/p>\n

\n

Systemd service after network is connected<\/h3>\n

Sometimes the service is wireless, so connection doesn’t happen until a user logs in.<\/p>\n

Try this (not tested yet)<\/p>\n

[Unit]\nDescription=start script\n\n[Service]\nType=idle\nExecStart=\/script\/location\/name\nRestart=always\nRestartSec=30\n\n[Install]\nWantedBy=network-online.target<\/code><\/pre>\n
\n
Find command<\/h3>\n
http:\/\/www.binarytides.com\/linux-find-command-examples\/<\/a><\/p>\n
\n
Linux bluetooth headset<\/h3>\n
The headsets send info as sound input, sound mic, keyboard and mouse.<\/p>\n
Check what happens when the hangup button is pushed, maybe use automation to make it click Zoiper voip softphone<\/p>\n
\n
List linux packages by date installed<\/h3>\n
https:\/\/help.ubuntu.com\/community\/ListInstalledPackagesByDate<\/a><\/p>\n
\n
Systemd information<\/h3>\n
https:\/\/www.digitalocean.com\/community\/tutorials\/how-to-use-systemctl-to-manage-systemd-services-and-units<\/a><\/p>\n
 <\/p>\n
https:\/\/wiki.archlinux.org\/index.php\/systemd<\/a><\/p>\n
Run script right before shutdown
\nhttp:\/\/unix.stackexchange.com\/questions\/39226\/how-to-run-a-script-with-systemd-right-before-shutdown?noredirect=1&lq=1<\/a><\/p>\n
[Unit]
\nDescription=Log Traffic
\nDefaultDependencies=no
\nBefore=shutdown.target reboot.target halt.target<\/p>\n
[Service]
\nExecStart=\/usr\/local\/bin\/perl \/home\/me\/log_traffic.pl –stop
\nType=oneshot<\/p>\n
CIFS shutdown problems<\/p>\n
test by mounting local windows share<\/p>\n
try to shut down nrservice before closing down — didn’t help<\/p>\n
use oneshot to umount?<\/p>\n
run umount before shutdown.target reboot.target halt.target?<\/p>\n
\n
Automate what is seen on screen<\/h3>\n
http:\/\/www.sikuli.org\/<\/a>
\nSikuli automates anything you see on the screen. It uses image recognition to identify and control GUI components. It is useful when there is no easy access to a GUI’s internal or source code.<\/p>\n
\u00a0http:\/\/alternativeto.net\/software\/xdotool\/?platform=linux<\/a>
\nThis tool lets you simulate keyboard input and mouse activity, move and resize windows, etc. It does this using X11’s XTEST extension and other Xlib functions.<\/span><\/p>\n
https:\/\/github.com\/guoci\/autokey-py3<\/a>
\nAutoKey-Py3 (GitHub) is a Python 3 port of AutoKey, a desktop automation utility for Linux and X11.
\nClick on or move pointer to an area that can be identified with an image<\/p>\n
\n
Linux containters (like vms)<\/h3>\n
https:\/\/linuxcontainers.org\/<\/a><\/p>\n
\n
Hide command screens that must run in the background<\/h3>\n
http:\/\/www.linuxdevcenter.com\/cmd\/cmd.csp?path=s\/screen<\/a><\/p>\n
sudo apt-get install screen<\/code><\/p>\n
create a script shrewsoft-ikec.sh that will start an ikec command with a screen name of shrew.
\nThis will hide the ensuing command window ikec creates while keeping the program running at low cpu.<\/p>\n
#!\/bin\/bash\nscreen -dmS shrew \/user\/bin\/ikec -r bcws -a\nsleep 2s\nscreen -d shrew<\/code><\/pre>\n
Create Startup Application named a.shrew to run script at login<\/p>\n
To kill the screen create above by name<\/p>\n
screen -X -S shrew kill<\/code><\/p>\n
To get ikec running iked has to be started first and if there is a problem it has to be killed and restarted before ikec is restarted<\/p>\n
sudo iked<\/code><\/p>\n
To run iked with systemd, create the following in \/etc\/systemd\/system<\/p>\n
iked.service<\/p>\n
[Unit]
\nDescription=Shrew VPN client<\/code><\/p>\n
[Service]
\nExecStart=\/usr\/sbin\/iked
\nTimeoutSec=0 StandardOutput=tty
\nRemainAfterExit=yes
\nSysVStartPriority=99<\/p>\n
[Install] WantedBy=multi-user.target<\/p>\n
 <\/p>\n
Run<\/p>\n
sudo systemctl start iked.service
\nsudo systemctl enable iked.service<\/code><\/p>\n
To kill the iked or ikec process<\/p>\n
killall -9 ikec<\/code><\/pre>\n
\n
Test network information<\/h3>\n
View most cpu intensive processes<\/p>\n
top<\/p>\n
View<\/p>\n
Get route info for specific ip address<\/p>\n
ip route get xxx.xxx.xxx.xxx<\/p>\n
Get route info for all ip connections<\/p>\n
route -e<\/p>\n
display process info for name<\/p>\n
ps -ef | grep processname<\/p>\n
check if ip exists with a specific<\/p>\n
ip route get 10.141.229.1 | grep ” tap” &> \/dev\/null; if [ $? == 0 ]; then echo “tap0”; else echo “not tap0”; fi<\/p>\n","protected":false},"excerpt":{"rendered":"
A variety of links and ideas Shutdown slow with Samba\/Windows shares in Linux http:\/\/techdelirium.blogspot.com\/2015\/11\/slow-shutdownreboot-when-mounting.html sudo ln -s \/etc\/init.d\/umountnfs.sh \/etc\/rc0.d\/K14umountnfs.sh sudo ln -s \/etc\/init.d\/umountnfs.sh \/etc\/rc6.d\/K14umountnfs.sh Linux bash script – Windows batch script links http:\/\/www.dostips.com\/DtTipsStringManipulation.php Align Right Align text to the right i.e. to improve readability of number columns. Left String Extract characters from the beginning of […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-1962","post","type-post","status-publish","format-standard","hentry","category-general"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/posts\/1962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/comments?post=1962"}],"version-history":[{"count":0,"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/posts\/1962\/revisions"}],"wp:attachment":[{"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/media?parent=1962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/categories?post=1962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/tags?post=1962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}