Unix/Linux tips

Copy the specified files under the directory (including subdirectories) to a specific directory, but does not contain the directory, only files.

Find ~ /My. Codes-name "*. c"-exec CP {}.\;

Search for 0-byte files in the directory and delete them.

Find.-size 0C-exec Rm-I {}\;

Remove the port setting file (under the corresponding port directory)

Make rmconfig/make rmconfig-recursive

List all users
Logins

Synchronize Internet time
Ntpdate clepsydra.dec.com

 

Rm cannot be deleted once because too many files are generated by Sendmail.

Find/var/spool/cilentmqueue/-type F-delete 

 

Pack Installed ports

Echo/var/DB/PKG/*/| tr \ n | cut-F5-D/| xargs-N 1 pkg_create-JB

 

Use pkg_cutleaves for software package management

Pkg_cutleaves-Lc> ~ /Installed.txt # generate all leaf nodes

Pkg_cutleaves-LXG # generate the/usr/local/etc/pkg_leaves.exclude file and record the dependencies of each software package

Pkg_cutleaves-rxg # Delete unnecessary software packages

 

Update System Patches

# FreeBSD-update fetch

# FreeBSD-update install

 

Tcpdump monitors and records specified IP Packets

Tcpdump-VV-nn-S-W ~ /Log. Log host 192.168.1.1

 

Start chromium in stealth mode

Chromium -- incognito

 

Mount fat/FAT32 format USB flash drives cannot display long file names

Mount-T vfat/dev/sdb/mnt/directory

 

Locale: cannot set lc_all to default locale: no such file or directory

Localedef-v-c-I zh_cn-F UTF-8 zh_CN.UTF-8

 

Hg SSL required (note: this modification is not secure)

Modify ~ /. Hgrc, add

[Web]

Push_ssl = false

ModifySource codeUnder the library directory. HG/hgrc (if the file does not exist, add)

[Web]

Allow_push = *

 

Random start of spawn-fcgi in FreeBSD (unverified)

Add the following section in/etc/rc. conf:

Code 1 # Start PHP - FastCGI
2 If [ - X / USR / Local / Bin / Spawn - Fcgi]; then
3 / USR / Local / Bin / Spawn - Fcgi - A 127.0 . 0.1   - P 9000   - U WWW - G WWW - C 25   - F / USR / Local / Bin / PHP - CGI >   / VaR / Run / Fcgi. PID
4 Echo - N ' Php-FastCGI '
5 Fi

 

Vim/gvim save and restore the session

Save:

: Mksession session_name.vim

Recovery:

# Vim-s session_name.vim

 

Mount the Windows shared directory

Mount_smbfs-I 192.168.2.1 // username @ servername/share/mount point

 

SSH remote append pub key

Cat ~ /. Ssh/id_rsa.pub | SSH user @ machine "mkdir ~ /. Ssh; CAT >> ~ /. Ssh/authorized_keys" 

 

Vim deletes content in the specified start and end rows.

: N1, n2d