https://crteknologies.fr/wiki/ 2026-04-14T08:14:02+00:00 https://crteknologies.fr/wiki/ https://crteknologies.fr/wiki/lib/tpl/arctic/images/favicon.ico text/html 2013-09-19T16:40:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:apache?rev=1379608857&do=diff Apache Don't log yourself You can exclude your IP addresses or/and the specific user agent of your browsers : SetEnvIf Remote_Addr "127\.0\.0\.1" dontlog SetEnvIf Remote_Addr "192\.168\.1\.4" dontlog SetEnvIf User-Agent "meandmyself" dontlog CustomLog ${APACHE_LOG_DIR}/mysite.fr-access.log combined env=!dontlog text/html 2013-09-19T16:40:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:awstats?rev=1379608856&do=diff awstats Plugins * Follow Me Mods Follow Me Plugin Fix the reverse DNS host problem. $filename = '/var/lib/awstats/dnscachelastupdate.' . $SiteDomain . '.txt'; if (open(FILE, $filename)) { while(<FILE>) { chomp; @fields = split('\t', $_); if (lc($fields[2]) eq $host) { $host = $fields[1]; } } close FILE; } text/html 2013-10-22T12:57:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:beamer?rev=1382446641&do=diff Beamer Commands: * \uncover<n-m>{}: uncover content only for slides n-m (syntax “n-” or “-m” allowed) * \only<n-m>{}: same as \uncover, except it doesn't reserve space for slides other than n-m * \alt<n-m>{}{}: uncover first argument for slides n-m, and second argument else text/html 2013-09-19T16:40:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:colorgcc?rev=1379608856&do=diff Colorgcc Installation * install colorgcc, with your distribution package manager, by downloading it on the official webpage <http://schlueters.de/colorgcc.html>, or by downloading my improved version (from the Gentoo version, submitted at <http://bugs.gentoo.org/show_bug.cgi?id=291060>) : [colorgcc], [colorgccrc] * make sure ~/bin path is in your $PATH variable before /usr/bin text/html 2013-09-19T16:40:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:config?rev=1379608857&do=diff Misc config problems This is a random list of problems I got and how I fixed them. * Illimitux plugin in Firefox is forcing network.http.sendRefererHeader to 0 (always resetting it to 0) in order to block sending referrer when browsing, preventing some websites from working. Disable this plugin to fix the problem. text/html 2013-09-19T16:40:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:ddclient?rev=1379608857&do=diff ddclient Example of configuration for OVS DynHosts. use=web, web=checkip.dyndns.org, web-skip='IP Address' ## OVH login=crteknologies.fr-login password=xxxxxx wildcard=no server=www.ovh.com protocol=dyndns2 host.crteknologies.fr text/html 2013-09-19T16:40:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:desktop-environment?rev=1379608856&do=diff Desktop Environment There is Gnome, there is KDE (more configurable), and there is Xfce (lighter). And there is my custom desktop environment based on Fluxbox window manager :-p. * Window manager : Fluxbox * Taskbar, Traybar : Built in Fluxbox text/html 2022-04-08T07:34:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:dokuwiki?rev=1649403291&do=diff Dokuwiki Dokuwiki is the wiki engine I am using. It seemed the nicer, more complete and easier to use to me. Le faire fonctionner sur les pages persos de free.fr Il y a quelques problèmes pour le faire fonctionner chez Free, mais quelqu'un a créé un patch qui résout tous les problèmes : text/html 2013-09-19T16:40:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:doxygen?rev=1379608856&do=diff Doxygen Syntax tips * to comment before the object, “/ / /” for single line comment or “/** */” for multiline comments * to comment after the object (eg on the same line), “/ / / <” for single line comment * put a '%' sign before a name to prevent automatic link to a class or namespace name text/html 2013-09-19T16:40:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:emulation?rev=1379608857&do=diff Emulation Ti calculators Windows: VirtualTi PC For example if you want to run Windows from Linux without having to reboot. Running a partition Seems to be possible thanks to Windows hardware profiles: <http://oopsilon.com/Running-a-Windows-Partition-in-VMware> Mount a .VMDK disk outside the emulator text/html 2015-07-30T21:39:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:encryption?rev=1438292366&do=diff Encryption Encrypt your data You can encrypt a full partition, or use a file container. Then you need to take some precautions. Lock, lock, lock Ensure that your computer remains locked when unattended. Ask password for login, systematically manually lock it when you leave it, set up your screen saver to automatically lock it after a few minute of user inactivity in case you forget, and configure it to be locked when it resumes from sleeping. text/html 2013-09-19T16:40:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:expect?rev=1379608858&do=diff Expect For ssh, in a sh script: #!/bin/sh expect -c " spawn ssh localhost expect \"Are you sure you want to continue connecting (yes/no)? \" send \"yes\r\" interact " text/html 2022-04-08T16:11:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:fav-linux?rev=1649434280&do=diff My favorite software with Linux Internet * Thunderbird : mail client * see Thunderbird * Firefox : web browser * see Firefox * Pidgin (formerly Gaim) * Httrack Multimedia * Xmms : equivalent of winamp (out of portage now, xmms2 soon) * Audacious text/html 2013-09-19T16:40:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:fav-windows?rev=1379608855&do=diff My favorite software with Windows Internet * Trillian (or Gaim) : multiprotocol IM client (MSN, IRC, ICQ, AIM, Yahoo!, Jabber/GTalk) * SkyLlian : plugin to have Skype contacts in Trillian contact list and be able to chat with them in Trillian text/html 2013-09-19T16:40:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:fights?rev=1379608854&do=diff Software fights Missing features of some software vs others. If you don't agree with something, please tell me in the discussion at the bottom how to do it with this software. Terminal Mrxvt * no sessions * no nice corrected colors * cannot scroll back while stuff is being written to the console text/html 2013-09-19T16:40:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:file-sharing?rev=1379608856&do=diff File Sharing FTP I use the server pure-ftpd with Linux, and CesarFTP with Windows. Configuring pure-ftpd Adding a user : pure-pw useradd ftpusername -d /home/ftp/user -u linuxusername pure-pw mkdb Configuring a FTP server behind NAT There are two modes in the text/html 2024-07-05T08:09:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:files?rev=1720166960&do=diff Files management Partitioning Cheatsheet for preparing and a new disk and using it with: * LVM (Logical Volume Manager) * Principle: physical volumes (hardware) are merged into volume groups, and then split back into logical volumes, which can be used as a partition (or as a disk with a partition table, but not very useful?). text/html 2013-09-19T16:40:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:firefox?rev=1379608853&do=diff Firefox Main shortcuts Must be done with the keyboard ctrl-L location bar ctrl-K search bar ctrl-F find F3 find next ctrl-Enter in the find bar highlight find ctrl-T new tab Easier to do it with the mouse ctrl-W close tab ctrl-pageup/down text/html 2013-09-19T16:40:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:gdb?rev=1379608854&do=diff GDB Cheat sheet Starting * # gdb <prog-file> * # gdb --args <prog-file> <prog-args...> : start gdb with program arguments * # gdb <prog-file> <core-file> : inspect the core dump * # gdb <prog-file> <pid> : attach to the running process * text/html 2024-11-06T22:20:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:git?rev=1730931614&do=diff GIT For a quick memo about different Source Code Management software, see software:scm. Introduction Git is a source code version control system. Unlike Subversion (SVN) and CVS it is distributed, so it allows better local source code management (you can commit, branch and so on on your local repository before pushing it on the public repository; you can also never push it on any public repository). text/html 2024-04-19T09:54:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:gnuplot?rev=1713520474&do=diff GnuPlot Enter gnuplot environment with 'gnuplot' command. In the interactive shell you can use the following commands. load To load a command file, which contains other commands for the gnuplot interactive shell. Lines starting with '#' are ignored. text/html 2013-09-19T16:40:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:gobby?rev=1379608854&do=diff Gobby What is it? Gobby is a collaborative editor. It means that different users can edit the same file at the same time in real time. Every user sees in real time what the other users are typing, character by character. So it is especially useful when users edit simultaneously (or in a short period of time) the same lines (for example a LaTeX document), because there won't be any conflict or merge difficulties that you would have with a version-control system like SVN or GIT. But it is not in… text/html 2022-07-12T08:26:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:gpx?rev=1657614413&do=diff GPS track manipulation Tools: * gpsbabel * gpxsee * viking * qmapshack Merge multiple track files * gpsbabel -i gpx -f track1.gpx -f track2.gpx -o gpx -F merged.gpx * For merging automatically a list of files: l=""; for f in $(ls *.gpx); do l="$l -f $f"; done; echo gpsbabel -i gpx ($l) -o gpx -F merged.gpx; text/html 2013-09-19T16:40:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:lftp?rev=1379608853&do=diff lftp Commands * get: get a file * mirror: get a directory * ls cd ... * set ftp:passive-mode on text/html 2015-07-19T09:50:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:mapping?rev=1437299426&do=diff Mapping and GPS OruxMaps The almost perfect GPS/Mapping Android application, for browsing maps and recording tracks. Additional sources * IGN : <onlinemapsource uid="83"> <name>geoportail.fr</name> <url><![CDATA[http://gpp3-wxs.ign.fr/tyujsdxmzox31ituc2uw0qwl/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=GEOGRAPHICALGRIDSYSTEMS.MAPS&STYLE=normal&TILEMATRIXSET=PM&TILEMATRIX={$z}&TILEROW={$y}&TILECOL={$x}&FORMAT=image/jpeg]]></url> <website><![CDATA[<a href="http://m.geoportail.… text/html 2013-09-19T16:40:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:mp3tag?rev=1379608856&do=diff MP3Tag MP3Tag is a nice mp3 tag manager, but by default it writes tags with UTF16 encoding, and most of MP3 players cannot read it and displays strange characters. You can change it in options. text/html 2013-09-19T16:40:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:nginx?rev=1379608857&do=diff Nginx Installation and configuration * install nginx and php with fpm use flag * create directory for vhost in /var/www, “chgrp nginx” it, and “chmod g+rXs” it (possibly o-rwx as well). * change “listen = /var/run/php-fpm.socket” and text/html 2025-01-07T22:49:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:pdf?rev=1736290198&do=diff PDF management GS Merge PDF files: gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile=finished.pdf file1.pdf file2.pdf Split PDF file: gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -dFirstPage=m -dLastPage=n -sOutputFile=out.pdf in.pdf Compress PDF file containing images ( text/html 2022-04-24T15:23:30+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:pgp?rev=1650813810&do=diff PGP and GPG I will talk on this page of everything related to security and authentication on the Internet. Personal use PGP and GPG are two compatible asymmetric encryption and signing software. Their features are: * encrypting emails or files: you use the public key of the receiver to encrypt the message so that only the receiver can decrypt it (using his associated private key). text/html 2013-09-19T16:40:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:rsync?rev=1379608857&do=diff rsync Typical uses scp replacement Better management of interrupted transfers than scp rsync -rP <source> <dest> (-P = --partial --progress) Backup rsync --archive <source> <dest> \ [--backup --backup-dir=$backupdir] [--delete --delete-excluded] \ [--exclude <files>] [--verbose --stats] text/html 2013-09-19T16:40:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:scm?rev=1379608856&do=diff Source Code Management software comparison :!: Warning: This is only a memo, don't use this table if you don't know what these commands will do. These SCM don't have the same philosophy and don't behave the same way, these equivalences are approximations. text/html 2013-09-19T16:40:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:screen?rev=1379608858&do=diff Screen Cheat Sheet Command line options: * '-ls' : show running screens * '-d <session>' : detach the elsewhere running session * '-r <session>' : resume a detached elsewhere running session * '-S <session-name>' : create a new session with the given name text/html 2013-09-19T16:40:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:sphpblog?rev=1379608858&do=diff Simple PHP Blog Feeds If you want to create different RSS feeds for each of your categories, use the c variable in rss.php. For example to see only posts in category number 1 : blog/rss.php?c=1 You can also put several categories in the feed : blog/rss.php?c=2,3 text/html 2014-08-04T09:36:19+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:ssh?rev=1407144979&do=diff SSH Static Forwarding Local forwarding: ssh -L8021:<dist>:21 <host> Remote forwarding (you need to set “GatewayPorts yes” in sshd_config if you want to access the port from other addresses than localhost, then “/etc/init.d/sshd reload”): text/html 2013-09-19T16:40:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:sshfs?rev=1379608857&do=diff SSHFS Usage in /etc/fstab sshfs#<user>@<server>:/ /mnt/<dir> fuse defaults,user,noauto,noatime,allow_other,readdir_ino 0 0 pwd not working If sometimes when you are in a sshfs mounted directory the pwd command does not work and only returns “ text/html 2013-09-19T16:40:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:sysrescuecd?rev=1379608858&do=diff SysRescueCD LiveUSB with several partitions The reference for liveUSB (be careful, there are several outdated tutorials for liveUSB on the website). As root, from /mnt/cdrom: # create as many partitions as you want with fdisk or parted or gparted ; we will install sysrescuecd on the first one. mount -o loop,exec,ro systemrescuecd-x86-x.y.z.iso /mnt/cdrom usb_inst/install-mbr /dev/sdb --force usb_inst/parted -s /dev/sdb set 1 boot on ./usb_inst.sh format /dev/sdb1 ./usb_inst.sh copyfiles /de… text/html 2013-09-19T16:40:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:thunderbird?rev=1379608858&do=diff Thunderbird Interesting extensions * Change quote and reply format: to have a real reply header with date, sender, subject etc * Quote Colors: set different colors to different levels of reply * QuoteCollapse * Check and Send * Correct Identity text/html 2013-09-19T16:40:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:truecrypt?rev=1379608853&do=diff TrueCrypt File systems You can mount NTFS partitions under Linux with ntfs-3g. You can mount ext2/3/4 partitions under Windows with ext2fsd (haven't tested write support yet). Misc There is a bug in version 5.0a, it doesn't pass the --fs-options text/html 2013-09-19T16:40:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:valgrind?rev=1379608855&do=diff Valgrind General options Syntax: valgrind [options] <your-program> <args> * --db-attach=yes : to automatically attach gdb on errors * --error-limit=no : to display all errors even if there are a lot of them * --num-callers=50 : to increase the maximum backtrace displayed text/html 2024-05-12T22:48:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:video?rev=1715554137&do=diff Multimedia encoding Images convert size operations * resize: scale image convert in.png -resize 640x480 out.png * crop: crop image convert in.png -crop 640x480+10+10 out.png * extent: add margins or crops convert in.png -gravity center -extent 1420x1420 out.png convert in.png -extent 1420x1420-10-10 out.png text/html 2014-11-29T10:03:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:virtualbox?rev=1417255380&do=diff VirtualBox Using same installation for DualBoot and VirtualBoot How to boot Windows from its partition with VirtualBox. Summary Install Windows We will assume it is installed on partition 1. Create disk * Create the MBR. Two ways, from your disk, but the second one seems better: text/html 2013-09-19T16:40:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:vnc?rev=1379608856&do=diff VNC Windows TightVNC contains a good server and client. Linux x11vnc contains a good server that allows you to access your already running session. You can set a new password with x11vnc -storepasswd or vncpasswd. TightVNC contains a good client. text/html 2013-09-19T16:40:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:zenphoto?rev=1379608855&do=diff ZenPhoto Captcha There is no anti-spam for comments, but there are several hacks to add a captcha. I used this one. Prefetching A plugin exists in order to provide link prefetching hints that Mozilla-based browsers interpret to increase the speed of image navigation. text/html 2013-09-19T16:40:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://crteknologies.fr/wiki/software:zsh?rev=1379608858&do=diff ZSH Pipe Redirections > (>>) send standard output to file (in append mode) >& (>>&) send both standard output and error to file (in append mode) | send standard output |& send both standard output and error (shorthand for 2>&1 |) 2>&1 redirect standard error to standard output