How to convert image files in Automator
The following steps will show you how to convert image files to different image files type in Automator. Step 1 Drag image …
NSTimer:timerWithTimeInterval:target:selector:userInfo:repeats:
+(NSTimer *) timerWithTimeInterval:(NSTimeInterval)seconds target:(id)target selector:(SEL)aSelector userInfo:(id)userInfo repeats:(BOOL)repeats ## example #import “MyObject.h” @implementation MyObject NSTimer *timer; – (IBAction)myAction:(id)sender { timer = [NSTimer timerWithTimeInterval:1 …
linux notes – su only for someone
##### /etc/pam.d/su #%PAM-1.0 auth sufficient /lib/security/$ISA/pam_rootok.so # Uncomment the following line to implicitly trust users in the “wheel” group. #auth sufficient /lib/security/$ISA/pam_wheel.so …
linux notes – make fs for 4.2TB
mkfs -j -c -m 0 /dev/sda
ls in Cocoa
//Launch “ls -l -a -t” in the current directory, and then read the result into an NSString: NSTask *task; task = [[NSTask …
linux notes – copy *.txt.dist to *.txt
for f in *.dist; do cp $f `basename $f .dist`; done
Wiki error 1034
from within function “SearchUpdate::doUpdate”. MySQL returned error “1034: Incorrect key file for table ‘searchindex’; try to repair it (localhost)”. REPAIR TABLE searchindex
searchindex.MYI = errno: 145
[root@mysql wiki]# myisamchk -r /var/lib/mysql/wikidb/wikidb_searchindex.MYI – recovering (with sort) MyISAM-table ‘/var/lib/mysql/wikidb/wikidb_searchindex.MYI’ Data records: 212 – Fixing index 1 – Fixing index 2 …
linux notes – mrtg cisco switch
[root@mrtg ~]# cfgmaker –global “WorkDir: /var/www/mrtg/cisco1” –global “RunAsDaemon: Yes” –output=/etc/mrtg/cisco1.cfg public@cisco1 [root@mrtg ~]# env LANG=C /usr/bin/mrtg /etc/mrtg/cisco1.cfg [root@mrtg ~]# indexmaker –output=/var/www/mrtg/cisco1/cisco1.html /etc/mrtg/cisco1.cfg
linux notes – mrtg apc temperature
[root@mrtg ~]# snmpwalk -v 1 -c public 192.168.1.x SNMPv2-MIB::sysDescr.0 = STRING: APC Web/SNMP Management Card (MB:v3.6.4 PF:v2.5.0 PN:apc_hw02_aos_250.bin AF1:v2.5.1 AN1:apc_hw02_sumx_251.bin MN:AP9619 HR:A10 …