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  • android openvpn howto
    1. install busybox from the playstore 1. su to root (may have to confirm root access for adb shell on the phone)
    517 B (83 words) - 17:32, 25 February 2013
  • awk field separators
    {| cellspacing="5" border="1"
    114 B (12 words) - 17:33, 25 February 2013
  • bash ping ip range
    for i in {1..255} ; do ping 192.168.1.$i -c 1 | grep "time=" ; done for i in {1..255} ; do net="192.168.1"; echo "ping $net.$i"; ping $net.$i -c 1 | grep "time=" ; done
    199 B (30 words) - 17:36, 25 February 2013
  • Webapp-config and mediawiki vhosts
    1. install mediawiki via your native package manager (yum, apt-get, emerge... # webapp-config --soft -h example.com/wiki_1 -I mediawiki 1.18.2
    504 B (69 words) - 19:14, 24 May 2016
  • Vlc android remote control
    1 - Install remote control app of your choice from playstore
    431 B (65 words) - 10:06, 15 September 2013
  • Pro cidr2mask and mask2cidr scripts
    # Phase 1: Count how many 255 prefixes local mask="${1//255./xrandomx}" sfx=${1//255.}
    2 KB (249 words) - 14:04, 28 August 2013
  • Problem - aptosid kde device notifier failing to mount usb media with "not authorized" error
    Edit /usr/share/polkit-1/actions/org.freedesktop.udisks.policy as follows:
    774 B (108 words) - 19:01, 25 February 2013
  • Printf formatting
    # echo "8.46145e+09" | awk '{ printf ("%.0f\n",$1) }'
    1 KB (90 words) - 05:14, 10 January 2014
  • Mysql backup and restore
    Create Table Example 1.
    1 KB (208 words) - 04:01, 12 June 2018
  • Linux firewall
    echo 1 > /proc/sys/net/ipv4/ip_forward net.ipv4.ip_forward = 1
    284 B (44 words) - 19:01, 25 February 2013
  • Kde panel settings
    desktop=-1 immutability=1
    348 B (37 words) - 19:01, 25 February 2013
  • KDE Device Notifier cannot mount drives
    edit and set defaults to yes in file: /usr/share/polkit-1/actions/org.freedesktop.udisks.policy
    259 B (35 words) - 19:01, 25 February 2013
  • Human readable formatting on the fly with awk
    # echo 1 | awk '{ if ($1==1) print "Active"; if ($1==0) print "Standby";}' # echo 0 | awk '{ if ($1==1) print "Active"; if ($1==0) print "Standby";}'
    259 B (32 words) - 19:01, 25 February 2013
  • Grep match one line
    # grep -m 1 string
    39 B (5 words) - 19:01, 25 February 2013
  • Gentoo linux install usb scanner
    1. lookup the required xsane backend for your scanner hardware here: http://
    1 KB (155 words) - 01:29, 5 February 2016
  • Gentoo kde xorg install setup log
    edit /etc/polkit-1/localauthority.conf.d/99-admin.rules
    1 KB (134 words) - 19:01, 25 February 2013
  • Editing mp3 tags
    id3ed -n "james edwards" -s "cesspool 9-1-2012 hour 3" -y 2012 ./tpc20120901c.mp3
    106 B (16 words) - 19:01, 25 February 2013
  • Dd-wrt devices of interest
    {| cellspacing="5" border="1" |1.0
    639 B (79 words) - 19:01, 25 February 2013
  • Common kernel configs
    │ (1) -> Miscellaneous devices (INPUT_MISC [=y]) │ (1) -> Miscellaneous devices (INPUT_MISC [=y])
    12 KB (971 words) - 17:01, 11 February 2014
  • Checking ports with netcat
    ~% '''nc -vz 192.168.1.1 80''' examplehostname [192.168.1.1] 80 (http) open
    501 B (43 words) - 15:44, 12 December 2014
  • Bash for loop
    for i in {1..5} for VARIABLE in 1 2 3 4 5 .. N
    798 B (110 words) - 14:13, 30 August 2021
  • Bash array
    Example Array 1: color[1]=red # <<< array assignments
    2 KB (199 words) - 19:53, 2 October 2013
  • Backup Image of Hard Drive using dd
    1. Boot from the live cdrom distribution. 1. backup-hard-disk-partitions
    3 KB (482 words) - 17:18, 23 August 2013
  • Awk reference
    awk '{ i = NF-1; print $i }' awk -F ";" '{for (i=1; i<=NF; i++) print $i}'
    1 KB (184 words) - 14:03, 21 August 2013
  • Autoit reference
    Send("#Hello",1)
    96 B (14 words) - 19:02, 25 February 2013
  • Add, delete, modify mysql data with php
    insert example 1: change example 1:
    580 B (75 words) - 22:19, 25 February 2013
  • Bash function
    command 1 eval $1=foo
    311 B (39 words) - 22:22, 25 February 2013
  • Gnucash mysql tables
    {| cellspacing="5" border="1"
    1 KB (203 words) - 01:52, 13 April 2014
  • Mediawiki table
    {| cellspacing="5" border="1" {| cellspacing="5" border="1"
    910 B (128 words) - 01:52, 26 February 2013
  • E107 change admin password with mysql
    Query OK, 1 row affected (0.00 sec) Rows matched: 1 Changed: 1 Warnings: 0
    366 B (53 words) - 23:12, 26 February 2013
  • Emerge gentoolkit failed
    >>> Emerging (1 of 3) dev-python/argparse-1.2.1 * argparse-1.2.1.tar.gz RMD160 SHA1 SHA256 size ;-) ...
    3 KB (398 words) - 20:03, 27 February 2013
  • Redhat - fedora service startup
    sshd 0:off 1:off 2:on 3:on 4:on 5:on 6:off # grep -r -m 1 sshd /etc/rc.d/* | sort -n
    2 KB (316 words) - 16:31, 13 October 2014
  • tmux quickstart
    myhostms: 1 windows (created Tue Aug 5 18:26:50 2014) [363x94] (attached)
    707 B (104 words) - 23:01, 15 July 2019
  • doggy style
    [*]list item 1
    471 B (30 words) - 04:17, 30 March 2013
  • dmcrypt
    ...log/fully-encrypted-gentoo-system-with-lukscryptsetup-and-lvm/comment-page-1#comment-16710]]
    390 B (47 words) - 04:46, 5 April 2013
  • bash script parsing arguments with getopts
    VERBOSE=1 exit 1
    5 KB (858 words) - 21:46, 11 April 2013
  • Drupal notes
    1. transfer and unzip/tar them into the sites/all/themes directory.
    507 B (72 words) - 12:52, 4 April 2019
  • Grub command line how to
    ... and may be wrong and/or out of date. Please consult the official GNU GRUB 1.98-r2692 manual. GNU GRUB version 1.97~beta4
    19 KB (3,379 words) - 15:41, 12 April 2013
  • Handy sed one liners
    compiled by Eric Pement <pemente@northpark.edu> version 5.1 sed = filename | sed 'N; s/^/ /; s/ *\(.\{6,\}\)\n/\1 /'
    17 KB (2,827 words) - 16:14, 8 May 2016
  • MBR how it works
    MBR is the sector at cylinder 0, head 0, sector 1 of a hard disk. 1) The first byte of an active partition table entry is 80.
    12 KB (1,435 words) - 15:54, 12 April 2013
  • Mysql reference
    1) Login to mysql as root Step # 1: Stop the MySQL server process
    7 KB (1,061 words) - 15:57, 12 April 2013
  • Named slave zone refresh failing
    zone example.com/IN: refresh: unexpected rcode (SERVFAIL) from master 191.168.1.254#53 (source 0.0.0.0#0) Feb 1 17:26:51 heinkel named[5666]: zone example.com/IN: not loaded due to errors
    875 B (134 words) - 15:58, 12 April 2013
  • Php image thumbnail generation script
    // 1. calculate the ratio by dividing the old dimmensions with the new ones $ext = substr($str,$i+1,$l);
    5 KB (832 words) - 16:26, 12 April 2013
  • Samba - mounting share from linux
    Domain=[xpmachine] OS=[Windows 5.1] Server=[Windows 2000 LAN Manager] Domain=[xpmachine] OS=[Windows 5.1] Server=[Windows 2000 LAN Manager]
    3 KB (387 words) - 15:50, 26 March 2024
  • Apache not interpretting php code
    1) add ''-D PHP5'' to the APACHE2_OPTS line in /etc/conf.d/apache2
    406 B (64 words) - 16:52, 12 April 2013
  • dmcrypt - open encrypted drive with key
    bs=1 count=512
    601 B (86 words) - 18:09, 12 April 2013
  • Splitting $line string into words
    echo ${a[1]} #word1 in string
    314 B (47 words) - 21:17, 26 April 2013
  • bash arithmetic
    $ echo "1 / 100" | bc -l $ echo "scale =2; 1 / 100" | bc -l
    683 B (77 words) - 02:17, 2 January 2015
  • tightvnc for windows portable
    http://rammichael.com/tightvnc-portable-version-1-3-10 1. Download it here.
    1 KB (232 words) - 00:28, 5 May 2013
  • nmap random source IP spoofing script
    <br>LIMIT=$1 nmap -n --max-retries 1 --host-timeout 1 -e eth1 -sS -S $SOURCEIP $DSTIP -Pn -p $RNDPORT
    994 B (155 words) - 01:39, 9 May 2013
  • bash single to double digit conversion
    for i in {1..12};
    187 B (19 words) - 23:39, 10 May 2013
  • Cisco DSL Router Configuration and Troubleshooting Guide - Step-by-Step Configuration of PPPoE with a Dynamic IP Address
    <META HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=iso-8859-1"> e"><FONT FACE="arial, helvetica, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><SPAN STYLE="font-style: normal"><SPAN STYLE="font-
    38 KB (5,060 words) - 20:37, 12 May 2013
  • AT&T DSL ATM information for cisco DSL router setup
    Datapump Version: DSP 7.5.2.202, HAL 7.5.2.1<BR> 1 PVC '''0 35''' PPP over Ethernet (LLC/SNAP encapsulation)<BR>
    1 KB (142 words) - 20:57, 12 May 2013
  • Gentoo glibc failed
    [1] i686-pc-linux-gnu-4.4.5 *
    460 B (48 words) - 15:24, 17 May 2013
  • Grep examples
    grep -m 1 <pattern>
    1 KB (212 words) - 21:03, 23 September 2013
  • Howto create mysql table
    Note that beginning with MySQL 4.1 ENGINE=innodb is the preferred method of defining the storage type. Query OK, 1 row affected (0.01 sec)
    5 KB (560 words) - 01:26, 27 July 2013
  • Juniper junos olive reference
    root> '''ping 192.168.0.1''' PING 192.168.0.1 (192.168.0.1): 56 data bytes
    1 KB (152 words) - 15:29, 17 May 2013
  • SRX notes
    Cluster ID: 1 Redundancy group: 1 , Failover count: 3
    788 B (69 words) - 15:31, 17 May 2013
  • Linux hp p1006 printer installation
    Plugin Download and Install Utility ver. 2.1 1. License Grant. HP grants you a license to Use one copy of the Software wit
    8 KB (1,084 words) - 17:25, 22 September 2014
  • Udev rules
    lrwxrwxrwx 1 root root 3 Jan 25 23:44 /dev/usbhd -> sdd lrwxrwxrwx 1 root root 4 Jan 25 23:44 /dev/usbhd1 -> sdd1
    2 KB (399 words) - 18:20, 17 May 2013
  • Vmware network adapters
    {| cellspacing="5" border="1"
    363 B (49 words) - 18:21, 17 May 2013
  • mediawiki installation - database and file permissions
    Query OK, 1 row affected (0.02 sec)
    793 B (91 words) - 16:17, 10 July 2013
  • Keyboard automation
    <br>xserver = xserver-xorg-core 2:1.19.2-1+deb9u5 <br>xdotool = 1:3.20160805.1-3
    2 KB (278 words) - 17:12, 1 July 2019
  • Moving local folders to dedicated partitions in linux
    init 1 to single user mode
    152 B (24 words) - 13:26, 24 May 2013
  • gnucash mysql invoice query
    1 row in set (0.00 sec) ...rs | 500000 | 100000000 | 65000000 | PERCENT | 1 |
    2 KB (196 words) - 15:05, 24 May 2013
  • Netgear Readynas reference
    1. Power off your unit. LED, disk 1 LED, and disk 2 LED illuminate.
    2 KB (283 words) - 15:40, 24 May 2013
  • Enabling sshd on vmare esxi 3.5
    ...st need to access the console of ESXi, then you only need to perform steps 1 - 3.
    2 KB (349 words) - 15:50, 24 May 2013
  • Sendmail from script
    example #1 using the postfix sendmail binary
    861 B (133 words) - 14:42, 16 February 2014
  • create fat filesystem with linux
    1. for gentoo users, emerge the package dosfstools Units: sectors of 1 * 512 = 512 bytes
    2 KB (295 words) - 21:22, 18 February 2014
  • firefox sidebar
    1. Right-click on... the URL... and then bookmark it.
    345 B (56 words) - 15:55, 7 June 2013
  • conntrack - delete connection
    '''# conntrack -L |grep 10.0.0.1''' ...src=10.0.0.1 dst=66.82.111.149 sport=4500 dport=54231 [ASSURED] mark=0 use=1
    639 B (63 words) - 19:29, 17 June 2013
  • Portage emerge reference
    1. On a box with Internet access, fetch the distfile. First, use emerge fet
    1,005 B (140 words) - 05:08, 27 March 2016
  • ls numeric date format
    -rw------- 1 john users 163636 2012-10-29 audit_trail
    149 B (18 words) - 15:06, 16 July 2013
  • geoip
    License: LGPL-2.1 GPL-2 MaxMind2 # '''geoiplookup -f /usr/share/GeoIP/GeoLiteCity.dat 142.11.235.1'''
    1 KB (142 words) - 20:18, 23 June 2016
  • stdout and stderr redirection
    == 3.1 Theory and quick reference == 1 'represents' stdout and 2 stderr.
    2 KB (359 words) - 15:51, 22 July 2013
  • vnstat
    # vnstat --dumpdb | grep ^h | awk -F ";" '{ print "hour", $2 "-" $2+1,"rx(Mb/s):", $4/3600000*8, "tx(Mb/s):", $5/3600000*8 }'
    927 B (143 words) - 20:48, 24 May 2014
  • bash Conditional Expressions
    ...ries is one of /dev/stdin, /dev/stdout, or /dev/stderr, file descriptor 0, 1, or 2, respectively, is checked.
    3 KB (617 words) - 15:13, 23 July 2013
  • top multiple cpu, multicore monitoring
    run top interactively, then hit "1" to see a detailed view like... %Cpu3 : 8.1 us, 3.6 sy, 7.5 ni, 80.8 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
    1 KB (183 words) - 22:58, 24 July 2013
  • formatted netstat -i output
    # '''netstat -i | awk '{for (i=1; i<=12; i++) printf "%-12s",$i; printf "\n" }''''
    5 KB (178 words) - 20:25, 1 January 2015
  • netopia dsl modem / router notes
    static-routes destination-network (?): '''192.168.1.0''' (192.168.1.0) has been added to the (static-routes) list
    852 B (69 words) - 19:19, 6 August 2013
  • automate X keyboad and mouse with xdotool
    move mouse 1 pixel every minute (to avoid screen timeouts or afk status) # while true; do xdotool mousemove_relative --sync 0 1; sleep 60; done &
    299 B (42 words) - 16:43, 9 April 2015
  • print string between two characters or strings
    $ echo "blah(foo)ar"|sed -n 's/.*(\([^ ]*\))/\1/p' <<< not working!!! $ echo "aaafoobbbar"|sed -n 's/.*aaa\([^ ]*\)bbb/\1/p' <<< not working!!!
    434 B (68 words) - 17:50, 4 December 2013
  • bash sum series of numbers with awk
    awk '{s+=$1} END {print s}'
    173 B (31 words) - 14:38, 18 January 2014
  • griffin powermate
    Sep 1 13:58:37 localhost kernel: usb 2-1.1: Product: Griffin PowerMate ...Griffin PowerMate as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1/2-1.1:1.0/input/input18
    4 KB (603 words) - 15:09, 3 September 2013
  • delete spaces from filenames
    1. install detox
    130 B (18 words) - 23:36, 16 September 2013
  • importing paypal csv into gnucash
    ..." $12 "," "\"Item ID " $16 " " $15 "\"\n" ; if ($8!="0.00") printf substr($1,2) "," $8 "," $12 "," "\"paypal fee for " $16 "\"\n"}'
    291 B (36 words) - 21:17, 11 October 2013
  • bash progress output with printf
    for i in {1..5} sleep 1
    171 B (22 words) - 18:54, 31 October 2013
  • rsync
    #1: rsync -a --delete /some/path/a/ /some/otherpath/
    417 B (65 words) - 15:39, 28 March 2014
  • ecryptfs
    │ Defined at fs/ecryptfs/Kconfig:1 │ (1) -> Miscellaneous filesystems (MISC_FILESYSTEMS [=y])
    1 KB (90 words) - 12:35, 24 December 2013
  • du examples
    ...s+=$1} END {print s " / " 1048576 }' | bc -l | awk '{ printf ("%.2f%s\n",$1," GB") }' ...s+=$1} END {print s " / " 1048576 }' | bc -l | awk '{ printf ("%.2f%s\n",$1," GB") }'
    282 B (47 words) - 14:50, 18 January 2014
  • ssh-agent user setup and on demand ssh-add
    ...ically used for authentication when logging in to other machines using ssh(1).
    1 KB (161 words) - 22:21, 20 January 2014
  • Add a Hard Drive to XenServer
    1) verify the drive of interest is recognized 8 1 4193297 sda1
    2 KB (210 words) - 20:09, 23 January 2014
  • Android Debug Bridge - adb shell guide
    .../com.abccorp.abccorp_app-fww9oZOScSyUhl26nLwn6g==/base.apk abccorp_app_1.1.1''' /data/app/com.abccorp.abccorp_app-fww9oZOScSyUhl26nLwn6g==/base.apk: 1 file pulled. 13.9 MB/s (29403087 bytes in 2.014s)
    2 KB (347 words) - 18:35, 19 February 2022
  • remove and delete a hard drive from xenserver
    # xe sr-list | grep -B 1 -A 5 "datastore1"
    1 KB (168 words) - 22:08, 8 February 2014
  • xenserver Serial Console Access
    * Serial Port Mode [115200 8,n,1] ...rsion 4.1.5 (root@uk.xensource.com) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-46)) Fri Jun 14 09:04:06 EDT 2013
    7 KB (777 words) - 00:38, 9 February 2014
  • installling openvpn on xenserver
    '''1. enable centos base repo''' edit /etc/yum.repos.d/CentOS-Base.repo file, set enabled=0 to enabled=1 for every section except the [updates] one
    5 KB (490 words) - 16:05, 14 February 2014
  • gratiutous ARP with arping
    # arping -U 192.168.100.50 -I eth1 -c 1 # echo 1 > /proc/sys/net/ipv4/ip_nonlocal_bind
    501 B (65 words) - 07:40, 9 May 2014
  • linux software raid 5 quick guide
    Partition number (1-4, default 1): Using default value 1
    5 KB (718 words) - 14:43, 12 June 2016
  • linux kernel configuration for software raid
    (1) -> Multiple devices driver support (RAID and LVM) (MD [=y]) Prompt: RAID-1 (mirroring) mode
    3 KB (535 words) - 17:25, 30 March 2014
  • awk parsing log fields
    ...6 rule: 7 8 9 10" | awk '{for (i=1; i<=NF; i++) if ($i=="rule:") print $(i+1)}'
    219 B (32 words) - 02:34, 6 April 2014
  • free memory on linux
    ...fo | grep -E "MemFree|Buffers|Cached" | awk '{s+=$2} END {print s}'; sleep 1; done
    369 B (58 words) - 16:43, 29 April 2014
  • duplicate a hard drive using dump and restore
    Units = sectors of 1 * 512 = 512 bytes Units = sectors of 1 * 512 = 512 bytes
    6 KB (708 words) - 14:50, 30 June 2014
  • nagios notes
    check_freshness 1 add "process_perf_data 1" to generic host and service template on collectors to signal ocpd to tranf
    2 KB (243 words) - 18:17, 1 March 2022
  • last command exit status
    if [ $? == 1 ]; then echo "last command failed dude! exit status was 1"
    263 B (38 words) - 16:47, 31 May 2014
  • johntheripper mini howto
    Loaded 1 password hash (FreeBSD MD5 [128/128 SSE2 intrinsics 12x]) guesses: 1 time: 0:00:00:00 DONE (Sat Jun 7 00:35:56 2014) c/s: 3.33 trying: abc12
    2 KB (240 words) - 05:53, 7 June 2014
  • linux proxy arp
    net-tools package(provides arp utility): 1.60 # sysctl net.ipv4.conf.all.proxy_arp=1
    348 B (46 words) - 20:46, 21 June 2014
  • keepalived vrrp multicast mac config scratch pad
    /proc/sys/net/ipv4/conf/all 0 2 1 0 /proc/sys/net/ipv4/conf/default 0 0 1 0
    1 KB (219 words) - 02:23, 22 June 2014
  • promoting a new windows domain controller
    ...perationMasterRole -Identity “Target_DC_Name” –OperationMasterRole 0,1,2,3,4 -Confirm:$false -Force
    588 B (53 words) - 21:15, 22 February 2021
  • legacy grub quick install guide
    Running "install /boot/grub/stage1 d (hd0) (hd0)1+22 p (hd4,0)/boot/grub/stage2 /boot/grub/menu.lst"... succeeded
    616 B (95 words) - 04:19, 2 July 2014
  • installing openvpn on redhat using epel repo
    1:epel-release ########################################### [100%] --> Processing Dependency: libpkcs11-helper.so.1()(64bit) for package: openvpn-2.3.2-2.el6.x86_64
    5 KB (382 words) - 19:52, 8 July 2014
  • C programming quick start
    A. !( 1 || 0 ) ANSWER: 0 B. !( 1 || 1 && 0 ) ANSWER: 0 (AND is evaluated before OR)
    4 KB (483 words) - 22:15, 10 July 2014
  • bash testing variables for negative numbers or values
    1
    178 B (24 words) - 21:55, 10 July 2014
  • Optical Character Recognition - OCR
    === step 1 - break up pdf into individual files using convert === $ convert -limit memory 1 -monitor -verbose -density 300 -colorspace Gray source_file.pdf output_file
    2 KB (321 words) - 06:17, 19 September 2014
  • pulseaudio device missing
    $ '''pactl list | grep -A 1 "Card "''' Name: alsa_card.pci-0000_01_00.1
    1 KB (111 words) - 17:02, 22 September 2014
  • KDE refuses to start programs
    Invalid MIT-MAGIC-COOKIE-1 keyxhost: unable to open display ":0"
    720 B (112 words) - 16:49, 23 February 2015
  • pulseaudio virtual sinks
    ... the following. If you ONLY want to send the audio: Monitor of Null Output 1. It will be the first "Null Output" in the list. If you want to send both t Loopback to Null Output (1): Your headset/microphone
    3 KB (383 words) - 12:40, 31 March 2015
  • wireshark common filter expression reference
    tcp.flags.reset == 1
    175 B (23 words) - 17:03, 8 October 2015
  • openstack notes
    '''Provider networks (option 1)''' * Management on 10.0.0.0/24 with gateway 10.0.0.1
    2 KB (288 words) - 18:42, 11 January 2016
  • nmcli guide
    IP4.ADDRESS[1]: 192.168.167.7/25 IP6.ADDRESS[1]: fe80::f21f:afff:fe19:f9ab/64
    1 KB (109 words) - 14:18, 9 July 2019
  • mysql database size analysis
    SUBSTR(' KMGTP',pw+1,1),'B') "Data Size",CONCAT(LPAD(FORMAT(SXSize/ POWER(1024,pw),3),17,' '),' ',SUBSTR(' KMGTP',pw+1,1),'B') "Index Size",
    1 KB (152 words) - 03:01, 9 May 2016
  • resize regular luks partition
    (parted) resizepart 1 resize2fs 1.43.1 (08-Jun-2016)
    2 KB (265 words) - 04:44, 20 July 2016
  • ffmpeg video encoding for the CFD-105 car video entertainment system
    $ '''ffmpeg -i inputfile.mp4 -qscale:v 1 -c:v mpeg4 -vtag xvid -vf scale=640x360 output.avi''' high quality setting (from 1 to 31, where 1 is highest). setting to 1 greatly increases file size. quality 5 is about the same size and still ve
    2 KB (263 words) - 01:10, 30 October 2016
  • ktwebkit 5.7.1 fails to compile on gentoo
    ktwebkit version 5.7.1 fails to compile on gentoo localhost ~ # '''emerge --oneshot --quiet =dev-qt/qtwebkit-5.7.1'''
    2 KB (274 words) - 14:01, 30 December 2016
  • programming flow chart
    {| cellspacing="5" border="1" align="center"
    536 B (76 words) - 14:35, 17 March 2017
  • lxqt openbox move application hotkey
    1) bring the app to the foreground by clicking it on your taskbar or selectin
    483 B (81 words) - 13:24, 11 April 2017
  • rsync version mismatch
    <br>receiver: 3.1.2 ...or: error in rsync protocol data stream (code 12) at io.c(226) [Receiver=3.1.2]
    1 KB (198 words) - 17:13, 27 October 2019
  • sed reverse lines of output or file
    sed 'x;1!H;$!d;x'
    18 B (5 words) - 15:10, 5 May 2017
  • regex guide
    ... as a literal character, unless it is part of a repetition operator like a{1,3}
    6 KB (1,067 words) - 02:53, 15 May 2017
  • Python quick reference
    File "<stdin>", line 1, in ? >>> my_int_var1 = 1
    3 KB (425 words) - 13:34, 14 July 2022
  • gentoo perl upgrade slot conflict
    # '''emerge -uavND -1 --nodeps dev-lang/perl''' [ebuild U *] dev-lang/perl-5.26.9999:0/5.26::gentoo [5.24.1-r1:0/5.24::gentoo] USE="berkdb gdbm -debug -doc -ithreads" 11754 KiB
    1 KB (122 words) - 18:26, 8 October 2017
  • pam radius for ssh guide
    <br>sys-libs/pam version 1.2.1 <br>sys-auth/pam_radius version 1.3.17-r1
    3 KB (372 words) - 14:41, 15 October 2017
  • INCORRECT password string sent by sshd via pam radius
    <br>sys-libs/pam version 1.2.1 <br>sys-auth/pam_radius version 1.3.17-r1
    3 KB (404 words) - 15:22, 15 October 2017
  • grub legacy guide
    (hd0,1) `hd' means it is a hard disk drive, `0' indicates the drive number, `1', indicates the partition number
    872 B (133 words) - 20:18, 10 November 2017
  • variable usage in sed commands
    <br>sed: -e expression #1, char 2: unexpected `,' <br>sed: -e expression #1, char 3: unknown command: `S'
    747 B (123 words) - 20:12, 24 January 2018
  • awk scripting notes
    $ echo "1 2 3" | awk '{for (i=1; i<=NF; i++) if (($i=="1") && ($(i+1)=="2")) print $(i+2)}'
    124 B (17 words) - 23:03, 5 August 2018
  • electric circuits basics
    1 coulomb = charge transferred by 1 ampere in 1 second or 1 C = 1 A * 1 s = 6.242×10^18 protons 1 amp = 1 coulomb / sec
    887 B (133 words) - 16:06, 30 September 2018
  • drupal error "The provided host name is not valid for this server"
    '^127\.0\.0\.1$',
    395 B (62 words) - 19:06, 12 November 2018
  • debian lxqt sddm greeting fail after nvidia driver install
    <br>xserver-xorg: xserver-xorg-core 2:1.19.2-1+deb9u5 <br>desktop: lxqt 0.11.1-1
    468 B (64 words) - 01:28, 16 January 2019
  • drupal menu "show as expanded" not working
    ...ock -> under Menu Levels change 'Number of levels to display' to more than 1
    310 B (42 words) - 22:10, 17 January 2019
  • tls version check
    example of server supporting tls 1.0 '''$ openssl s_client -connect 192.168.1.3:443 -tls1'''
    5 KB (614 words) - 05:47, 12 April 2019
  • quickbooks linux install
    1 install centos 64bit O.S. # rpm -ivh qbdbm-28.0-1.i386.rpm
    695 B (71 words) - 20:59, 23 April 2019
  • mssql notes
    sqlcmd -S 192.168.1.1 -U sa -P 1> SELECT name, database_id, create_date FROM sys.databases;
    2 KB (313 words) - 17:53, 25 May 2021
  • openvpn dns no leak config
    network-manager-openvpn-gnome 1.2.8-2 dns-priority=-1
    1 KB (198 words) - 16:35, 28 June 2019
  • vulkan amd notes
    Setting up linux-headers-4.19.0-0.bpo.5-amd64 (4.19.37-4~bpo9+1) ...
    568 B (74 words) - 19:38, 4 July 2019
  • installing virtualbox extensions on linux HOST (NOT guest!)
    Extension Packs: 1 *The virtual USB 2.0 (EHCI) device. See Section 3.11.1, “USB Settings”.
    3 KB (438 words) - 19:33, 15 July 2019
  • paste into vnc with xdotool
    vnc client = TightVNC Viewer version 1.3.9 sh -c 'sleep 1; xdotool type "$(xclip -o -selection clipboard)"'
    813 B (127 words) - 08:35, 18 July 2019
  • git revert
    ... the last commit by undoing it. the 40-byte hexadecimal string is the SHA-1 object name as show by git log.
    629 B (106 words) - 02:08, 30 August 2020
  • snmptranslate guide
    1) enable non-free sources per there [https://wiki.debian.org/SourcesList ins
    656 B (86 words) - 19:17, 19 October 2023
  • get file system types
    ├─sda1 ext2 1.0 7ccd4a80-b6e0-4dc4-987b-57710e3c7b0a ├─sda2 swap 1 8654134a-12a4-4d93-a580-324c0d7b5ab0 [SWAP]
    730 B (88 words) - 19:19, 29 March 2021
  • windows ssh server guide
    $ ssh johnsmith@192.168.1.1 11536 2022-08-26 17:58:35.947 debug1: attempt 1 failures 0 [preauth]
    3 KB (367 words) - 15:33, 20 September 2022
  • apt expired key signature for skype
    Executing: /tmp/apt-key-gpghome.0oMzaHu9jU/gpg.1.sh --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 1F3045A5DF7587C3 gpg: Total number processed: 1
    729 B (104 words) - 01:10, 22 August 2022
  • read multiline user input in bash
    IFS= read -d '' -n 1 inputvariable while IFS= read -d '' -n 1 -t 2 c
    183 B (31 words) - 00:39, 2 November 2022
  • ansible notes
    10.0.0.15 : ok=2 changed=1 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
    5 KB (464 words) - 16:29, 7 May 2024
  • openvpn OpenSSL error digital envelope routines unsupported
    old tls 1.0 has already be "enabled" in /etc/ssl/openssl.cnf by adding line... 2024-03-28 22:49:56 EVP cipher init #1
    2 KB (221 words) - 13:59, 1 April 2024

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